luchianmihai/walnux
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Revert "Reduce the size of tcb by four bytes."

Browse source 
This reverts commit 893c5e92c2.
This commit is contained in:
wangzhi16 2025-05-27 10:56:42 +08:00 • committed by Xiang Xiao
parent 17476346d1
commit 35a62b7d5e
70 changed files with 267 additions and 369 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
arch/arm/src/arm/arm_schedulesigaction.c
View file

@ -35,7 +35,6 @@
#include "arm.h"
#include "sched/sched.h"
#include "signal/signal.h"
#include "arm_internal.h"
/****************************************************************************
@ -91,8 +90,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
{
/* In this case just deliver the signal now. */
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* Otherwise, we are (1) signaling a task is not running

13
arch/arm/src/arm/arm_sigdeliver.c
View file

@ -37,7 +37,6 @@
#include <arch/board/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "arm_internal.h"
/****************************************************************************
@ -60,9 +59,9 @@ void arm_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
#ifndef CONFIG_SUPPRESS_INTERRUPTS
/* Then make sure that interrupts are enabled. Signal handlers must always
@ -74,7 +73,7 @@ void arm_sigdeliver(void)
/* Deliver the signal */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -94,9 +93,7 @@ void arm_sigdeliver(void)
* could be modified by a hostile program.
*/
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of execution. */

3
arch/arm/src/armv6-m/arm_doirq.c
View file

@ -34,7 +34,6 @@
#include <nuttx/board.h>
#include <arch/board/board.h>
#include <sched/sched.h>
#include <signal/signal.h>
#include "arm_internal.h"
#include "exc_return.h"
@ -87,7 +86,7 @@ uint32_t *arm_doirq(int irq, uint32_t *regs)
irq_dispatch(irq, regs);
#endif
if ((tcb->flags & TCB_FLAG_SIGDELIVER) != 0)
if (tcb->sigdeliver)
{
/* Pendsv able to access running tcb with no critical section */

5
arch/arm/src/armv6-m/arm_schedulesigaction.c
View file

@ -37,7 +37,6 @@
#include "psr.h"
#include "exc_return.h"
#include "sched/sched.h"
#include "signal/signal.h"
#include "arm_internal.h"
#include "irq/irq.h"
#include "nvic.h"
@ -97,8 +96,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
* REVISIT: Signal handle will run in a critical section!
*/
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
else if (tcb == rtcb && ipsr != NVIC_IRQ_PENDSV)
{

13
arch/arm/src/armv6-m/arm_sigdeliver.c
View file

@ -37,7 +37,6 @@
#include <arch/board/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "arm_internal.h"
/****************************************************************************
@ -70,9 +69,9 @@ void arm_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
retry:
#ifdef CONFIG_SMP
@ -104,7 +103,7 @@ retry:
/* Deliver the signal */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -151,9 +150,7 @@ retry:
* could be modified by a hostile program.
*/
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of
* execution.

5
arch/arm/src/armv7-a/arm_schedulesigaction.c
View file

@ -36,7 +36,6 @@
#include "arm.h"
#include "sched/sched.h"
#include "signal/signal.h"
#include "arm_internal.h"
#include "irq/irq.h"
@ -95,8 +94,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
* REVISIT: Signal handler will run in a critical section!
*/
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
else
{

13
arch/arm/src/armv7-a/arm_sigdeliver.c
View file

@ -37,7 +37,6 @@
#include <arch/board/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "arm_internal.h"
/****************************************************************************
@ -70,9 +69,9 @@ void arm_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
retry:
#ifdef CONFIG_SMP
@ -104,7 +103,7 @@ retry:
/* Deliver the signal */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -151,9 +150,7 @@ retry:
* could be modified by a hostile program.
*/
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of execution. */

2
arch/arm/src/armv7-a/arm_syscall.c
View file

@ -411,7 +411,7 @@ uint32_t *arm_syscall(uint32_t *regs)
/* Copy "info" into user stack */
if ((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0)
if (rtcb->sigdeliver)
{
usp = rtcb->xcp.saved_regs[REG_SP];
}

3
arch/arm/src/armv7-m/arm_doirq.c
View file

@ -34,7 +34,6 @@
#include <nuttx/board.h>
#include <arch/board/board.h>
#include <sched/sched.h>
#include <signal/signal.h>
#include "arm_internal.h"
#include "exc_return.h"
@ -87,7 +86,7 @@ uint32_t *arm_doirq(int irq, uint32_t *regs)
irq_dispatch(irq, regs);
#endif
if ((tcb->flags & TCB_FLAG_SIGDELIVER) != 0)
if (tcb->sigdeliver)
{
/* Pendsv able to access running tcb with no critical section */

5
arch/arm/src/armv7-m/arm_schedulesigaction.c
View file

@ -38,7 +38,6 @@
#include "psr.h"
#include "exc_return.h"
#include "sched/sched.h"
#include "signal/signal.h"
#include "arm_internal.h"
#include "irq/irq.h"
#include "nvic.h"
@ -98,8 +97,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
* REVISIT: Signal handle will run in a critical section!
*/
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
else if (tcb == rtcb && ipsr != NVIC_IRQ_PENDSV)
{

13
arch/arm/src/armv7-m/arm_sigdeliver.c
View file

@ -37,7 +37,6 @@
#include <arch/board/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "arm_internal.h"
/****************************************************************************
@ -70,9 +69,9 @@ void arm_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
retry:
#ifdef CONFIG_SMP
@ -104,7 +103,7 @@ retry:
/* Deliver the signal */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -151,9 +150,7 @@ retry:
* could be modified by a hostile program.
*/
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of
* execution.

5
arch/arm/src/armv7-r/arm_schedulesigaction.c
View file

@ -35,7 +35,6 @@
#include "arm.h"
#include "sched/sched.h"
#include "signal/signal.h"
#include "arm_internal.h"
/****************************************************************************
@ -93,8 +92,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
* REVISIT: Signal handler will run in a critical section!
*/
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
else
{

13
arch/arm/src/armv7-r/arm_sigdeliver.c
View file

@ -37,7 +37,6 @@
#include <arch/board/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "arm_internal.h"
/****************************************************************************
@ -70,9 +69,9 @@ void arm_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
retry:
#ifdef CONFIG_SMP
@ -104,7 +103,7 @@ retry:
/* Deliver the signal */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -148,9 +147,7 @@ retry:
* could be modified by a hostile program.
*/
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of execution. */

2
arch/arm/src/armv7-r/arm_syscall.c
View file

@ -405,7 +405,7 @@ uint32_t *arm_syscall(uint32_t *regs)
/* Copy "info" into user stack */
if ((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0)
if (rtcb->sigdeliver)
{
usp = rtcb->xcp.saved_regs[REG_SP];
}

2
arch/arm/src/armv8-m/arm_doirq.c
View file

@ -97,7 +97,7 @@ uint32_t *arm_doirq(int irq, uint32_t *regs)
irq_dispatch(irq, regs);
#endif
if ((tcb->flags & TCB_FLAG_SIGDELIVER) != 0)
if (tcb->sigdeliver)
{
/* Pendsv able to access running tcb with no critical section */

5
arch/arm/src/armv8-m/arm_schedulesigaction.c
View file

@ -38,7 +38,6 @@
#include "psr.h"
#include "exc_return.h"
#include "sched/sched.h"
#include "signal/signal.h"
#include "arm_internal.h"
#include "irq/irq.h"
#include "nvic.h"
@ -98,8 +97,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
* REVISIT: Signal handle will run in a critical section!
*/
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
else if (tcb == rtcb && ipsr != NVIC_IRQ_PENDSV)
{

13
arch/arm/src/armv8-m/arm_sigdeliver.c
View file

@ -37,7 +37,6 @@
#include <arch/board/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "arm_internal.h"
/****************************************************************************
@ -70,9 +69,9 @@ void arm_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
retry:
#ifdef CONFIG_SMP
@ -104,7 +103,7 @@ retry:
/* Deliver the signal */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -151,9 +150,7 @@ retry:
* could be modified by a hostile program.
*/
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of
* execution.

5
arch/arm/src/armv8-r/arm_schedulesigaction.c
View file

@ -35,7 +35,6 @@
#include "arm.h"
#include "sched/sched.h"
#include "signal/signal.h"
#include "arm_internal.h"
/****************************************************************************
@ -93,8 +92,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
* REVISIT: Signal handler will run in a critical section!
*/
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
else
{

13
arch/arm/src/armv8-r/arm_sigdeliver.c
View file

@ -37,7 +37,6 @@
#include <arch/board/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "arm_internal.h"
/****************************************************************************
@ -70,9 +69,9 @@ void arm_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
retry:
#ifdef CONFIG_SMP
@ -104,7 +103,7 @@ retry:
/* Deliver the signal */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -148,9 +147,7 @@ retry:
* could be modified by a hostile program.
*/
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of execution. */

2
arch/arm/src/armv8-r/arm_syscall.c
View file

@ -408,7 +408,7 @@ uint32_t *arm_syscall(uint32_t *regs)
/* Copy "info" into user stack */
if ((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0)
if (rtcb->sigdeliver)
{
usp = rtcb->xcp.saved_regs[REG_SP];
}

5
arch/arm/src/tlsr82/tc32/tc32_schedulesigaction.c
View file

@ -35,7 +35,6 @@
#include "tc32.h"
#include "sched/sched.h"
#include "signal/signal.h"
#include "arm_internal.h"
/****************************************************************************
@ -91,8 +90,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
{
/* In this case just deliver the signal now. */
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* Otherwise, we are (1) signaling a task is not running

5
arch/arm64/src/common/arm64_schedulesigaction.c
View file

@ -35,7 +35,6 @@
#include <nuttx/arch.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "arm64_internal.h"
#include "arm64_arch.h"
#include "irq/irq.h"
@ -131,8 +130,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
* REVISIT: Signal handler will run in a critical section!
*/
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
else
{

13
arch/arm64/src/common/arm64_sigdeliver.c
View file

@ -35,7 +35,6 @@
#include <nuttx/arch.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "arm64_internal.h"
#include "arm64_arch.h"
#include "irq/irq.h"
@ -70,9 +69,9 @@ void arm64_sigdeliver(void)
flags = (rtcb->xcp.saved_regs[REG_SPSR] & SPSR_DAIF_MASK);
#endif
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
retry:
#ifdef CONFIG_SMP
@ -104,7 +103,7 @@ retry:
/* Deliver the signal */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -151,9 +150,7 @@ retry:
* could be modified by a hostile program.
*/
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
rtcb->xcp.regs = rtcb->xcp.saved_regs;
/* Then restore the correct state for this thread of execution. */

5
arch/avr/src/avr/avr_schedulesigaction.c
View file

@ -35,7 +35,6 @@
#include <avr/io.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "avr_internal.h"
/****************************************************************************
@ -99,8 +98,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
{
/* In this case just deliver the signal now. */
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* CASE 2: We are in an interrupt handler AND the

23
arch/avr/src/avr/avr_sigdeliver.c
View file

@ -37,7 +37,6 @@
#include <arch/board/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "avr_internal.h"
/****************************************************************************
@ -61,9 +60,9 @@ void avr_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
/* Save the return state on the stack. */
@ -79,7 +78,7 @@ void avr_sigdeliver(void)
/* Deliver the signal */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -99,19 +98,17 @@ void avr_sigdeliver(void)
* could be modified by a hostile program.
*/
regs[REG_PC0] = rtcb->xcp.saved_pc0;
regs[REG_PC1] = rtcb->xcp.saved_pc1;
regs[REG_PC0] = rtcb->xcp.saved_pc0;
regs[REG_PC1] = rtcb->xcp.saved_pc1;
#if defined(REG_PC2)
regs[REG_PC2] = rtcb->xcp.saved_pc2;
regs[REG_PC2] = rtcb->xcp.saved_pc2;
#endif
#if defined(REG_RAMPZ)
regs[REG_RAMPZ] = rtcb->xcp.saved_rampz;
#endif
regs[REG_SREG] = rtcb->xcp.saved_sreg;
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
regs[REG_SREG] = rtcb->xcp.saved_sreg;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of execution. This is an
* unusual case that must be handled by up_fullcontextresore. This case is

2
arch/avr/src/avr32/avr_initialstate.c
View file

@ -89,7 +89,7 @@ void up_initial_state(struct tcb_s *tcb)
#else
/* No pending signal delivery */
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
tcb->sigdeliver = NULL;
/* Clear the frame pointer and link register since this is the outermost
* frame.

5
arch/avr/src/avr32/avr_schedulesigaction.c
View file

@ -35,7 +35,6 @@
#include <arch/avr32/avr32.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "avr_internal.h"
/****************************************************************************
@ -97,8 +96,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
{
/* In this case just deliver the signal now. */
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* CASE 2: We are in an interrupt handler AND the

18
arch/avr/src/avr32/avr_sigdeliver.c
View file

@ -37,7 +37,6 @@
#include <arch/board/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "avr_internal.h"
/****************************************************************************
@ -65,9 +64,9 @@ void avr_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
/* Save the return state on the stack. */
@ -83,7 +82,7 @@ void avr_sigdeliver(void)
/* Deliver the signal */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -103,12 +102,9 @@ void avr_sigdeliver(void)
* could be modified by a hostile program.
*/
regs[REG_PC] = rtcb->xcp.saved_pc;
regs[REG_SR] = rtcb->xcp.saved_sr;
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
regs[REG_PC] = rtcb->xcp.saved_pc;
regs[REG_SR] = rtcb->xcp.saved_sr;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of execution. This is an
* unusual case that must be handled by up_fullcontextresore. This case is

5
arch/ceva/src/common/ceva_schedulesigaction.c
View file

@ -33,7 +33,6 @@
#include <nuttx/arch.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "ceva_internal.h"
#ifndef CONFIG_DISABLE_SIGNALS
@ -101,8 +100,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
{
/* In this case just deliver the signal now. */
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* CASE 2: The task that needs to receive the signal is running.

18
arch/ceva/src/common/ceva_sigdeliver.c
View file

@ -54,6 +54,7 @@ void ceva_sigdeliver(void)
{
struct tcb_s *rtcb = this_task();
uint32_t *regs = rtcb->xcp.saved_regs;
sig_deliver_t sigdeliver;
/* Save the errno. This must be preserved throughout the signal handling
* so that the user code final gets the correct errno value (probably
@ -62,20 +63,21 @@ void ceva_sigdeliver(void)
int saved_errno = rtcb->pterrno;
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
/* We do this so that we can nullify the TCB_FLAG_SIGDELIVER in the TCB
* and accept more signal deliveries while processing the current pending
* signals.
/* Get a local copy of the sigdeliver function pointer. We do this so that
* we can nullify the sigdeliver function pointer in the TCB and accept
* more signal deliveries while processing the current pending signals.
*/
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
sigdeliver = rtcb->sigdeliver;
rtcb->sigdeliver = NULL;
/* Deliver the signal */
nxsig_deliver(rtcb);
sigdeliver(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original

5
arch/mips/src/mips32/mips_schedulesigaction.c
View file

@ -36,7 +36,6 @@
#include <arch/mips32/cp0.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "mips_internal.h"
/****************************************************************************
@ -100,8 +99,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
{
/* In this case just deliver the signal now. */
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* CASE 2: We are in an interrupt handler AND the

14
arch/mips/src/mips32/mips_sigdeliver.c
View file

@ -39,7 +39,6 @@
#include <arch/board/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "mips_internal.h"
/****************************************************************************
@ -63,9 +62,9 @@ void mips_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
/* Save the return state on the stack. */
@ -81,7 +80,7 @@ void mips_sigdeliver(void)
/* Deliver the signal */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -105,10 +104,7 @@ void mips_sigdeliver(void)
regs[REG_EPC] = rtcb->xcp.saved_epc;
regs[REG_STATUS] = rtcb->xcp.saved_status;
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of
* execution.

5
arch/misoc/src/lm32/lm32_schedulesigaction.c
View file

@ -35,7 +35,6 @@
#include <arch/lm32/irq.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "lm32.h"
/****************************************************************************
@ -97,8 +96,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
{
/* In this case just deliver the signal now. */
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* CASE 2: We are in an interrupt handler AND the

14
arch/misoc/src/lm32/lm32_sigdeliver.c
View file

@ -38,7 +38,6 @@
#include <arch/board/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "lm32.h"
/****************************************************************************
@ -62,9 +61,9 @@ void lm32_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
/* Save the return state on the stack. */
@ -80,7 +79,7 @@ void lm32_sigdeliver(void)
/* Deliver the signal */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -104,10 +103,7 @@ void lm32_sigdeliver(void)
regs[REG_EPC] = rtcb->xcp.saved_epc;
regs[REG_INT_CTX] = rtcb->xcp.saved_int_ctx;
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of
* execution.

5
arch/misoc/src/minerva/minerva_schedulesigaction.c
View file

@ -36,7 +36,6 @@
#include <arch/minerva/csrdefs.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "minerva.h"
/****************************************************************************
@ -98,8 +97,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
{
/* In this case just deliver the signal now. */
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* CASE 2: We are in an interrupt handler AND the interrupted task

18
arch/misoc/src/minerva/minerva_sigdeliver.c
View file

@ -59,12 +59,13 @@ void minerva_sigdeliver(void)
{
struct tcb_s *rtcb = this_task();
uint32_t regs[XCPTCONTEXT_REGS];
sig_deliver_t sigdeliver;
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
/* Save the real return state on the stack. */
@ -72,12 +73,13 @@ void minerva_sigdeliver(void)
regs[REG_CSR_MEPC] = rtcb->xcp.saved_epc;
regs[REG_CSR_MSTATUS] = rtcb->xcp.saved_int_ctx;
/* We do this so that we can nullify the TCB_FLAG_SIGDELIVER in the TCB
* and accept more signal deliveries while processing the current pending
* signals.
/* Get a local copy of the sigdeliver function pointer. We do this so that
* we can nullify the sigdeliver function pointer in the TCB and accept
* more signal deliveries while processing the current pending signals.
*/
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
sigdeliver = rtcb->sigdeliver;
rtcb->sigdeliver = NULL;
# ifndef CONFIG_SUPPRESS_INTERRUPTS
/* Then make sure that interrupts are enabled. Signal handlers must always
@ -89,7 +91,7 @@ void minerva_sigdeliver(void)
/* Deliver the signals */
nxsig_deliver(rtcb);
sigdeliver(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original

5
arch/or1k/src/common/or1k_schedulesigaction.c
View file

@ -34,7 +34,6 @@
#include <nuttx/arch.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "or1k_internal.h"
/****************************************************************************
@ -96,8 +95,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
{
/* In this case just deliver the signal now. */
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* CASE 2: We are in an interrupt handler AND the

5
arch/renesas/src/m16c/m16c_schedulesigaction.c
View file

@ -34,7 +34,6 @@
#include <nuttx/arch.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "renesas_internal.h"
/****************************************************************************
@ -96,8 +95,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
{
/* In this case just deliver the signal now. */
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* CASE 2: We are in an interrupt handler AND the

14
arch/renesas/src/m16c/m16c_sigdeliver.c
View file

@ -36,7 +36,6 @@
#include <nuttx/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "renesas_internal.h"
/****************************************************************************
@ -60,9 +59,9 @@ void renesas_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
/* Save the return state on the stack. */
@ -78,7 +77,7 @@ void renesas_sigdeliver(void)
/* Deliver the signal */
nxsig_deliver(rtcb);
(sig_rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -101,10 +100,7 @@ void renesas_sigdeliver(void)
regs[REG_PC] = rtcb->xcp.saved_pc[0];
regs[REG_PC + 1] = rtcb->xcp.saved_pc[1];
regs[REG_FLG] = rtcb->xcp.saved_flg;
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of
* execution.

5
arch/renesas/src/rx65n/rx65n_schedulesigaction.c
View file

@ -34,7 +34,6 @@
#include <nuttx/arch.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "renesas_internal.h"
/****************************************************************************
@ -96,8 +95,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
{
/* In this case just deliver the signal now. */
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* CASE 2: We are in an interrupt handler AND the

13
arch/renesas/src/rx65n/rx65n_sigdeliver.c
View file

@ -37,7 +37,6 @@
#include <arch/board/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "renesas_internal.h"
/****************************************************************************
@ -58,12 +57,13 @@ void renesas_sigdeliver(void)
{
struct tcb_s *rtcb = this_task();
uint32_t regs[XCPTCONTEXT_REGS];
sig_deliver_t sigdeliver;
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
/* Save the real return state on the stack. */
@ -77,7 +77,8 @@ void renesas_sigdeliver(void)
* signals.
*/
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
sigdeliver = rtcb->sigdeliver;
rtcb->sigdeliver = NULL;
#ifndef CONFIG_SUPPRESS_INTERRUPTS
/* Then make sure that interrupts are enabled. Signal handlers must always
@ -89,7 +90,7 @@ void renesas_sigdeliver(void)
/* Deliver the signals */
nxsig_deliver(rtcb);
sigdeliver(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original

5
arch/renesas/src/sh1/sh1_schedulesigaction.c
View file

@ -34,7 +34,6 @@
#include <nuttx/arch.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "renesas_internal.h"
/****************************************************************************
@ -96,8 +95,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
{
/* In this case just deliver the signal now. */
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* CASE 2: We are in an interrupt handler AND the

18
arch/renesas/src/sh1/sh1_sigdeliver.c
View file

@ -36,7 +36,6 @@
#include <nuttx/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "renesas_internal.h"
/****************************************************************************
@ -60,9 +59,9 @@ void renesas_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
/* Save the return state on the stack. */
@ -78,7 +77,7 @@ void renesas_sigdeliver(void)
/* Deliver the signal */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -98,12 +97,9 @@ void renesas_sigdeliver(void)
* could be modified by a hostile program.
*/
regs[REG_PC] = rtcb->xcp.saved_pc;
regs[REG_SR] = rtcb->xcp.saved_sr;
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
regs[REG_PC] = rtcb->xcp.saved_pc;
regs[REG_SR] = rtcb->xcp.saved_sr;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of execution. */

5
arch/risc-v/src/common/riscv_schedulesigaction.c
View file

@ -36,7 +36,6 @@
#include <nuttx/spinlock.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "riscv_internal.h"
/****************************************************************************
@ -96,8 +95,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
* REVISIT: Signal handler will run in a critical section!
*/
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
else
{

11
arch/risc-v/src/common/riscv_sigdeliver.c
View file

@ -39,7 +39,6 @@
#include <arch/board/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "riscv_internal.h"
/****************************************************************************
* Public Functions
@ -71,9 +70,9 @@ void riscv_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
retry:
#ifdef CONFIG_SMP
@ -105,7 +104,7 @@ retry:
/* Deliver the signals */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -150,7 +149,7 @@ retry:
* could be modified by a hostile program.
*/
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of
* execution.

5
arch/sim/src/sim/sim_schedulesigaction.c
View file

@ -32,7 +32,6 @@
#include <nuttx/arch.h>
#include "sched/sched.h"
#include "signal/signal.h"
/****************************************************************************
* Public Functions
@ -82,7 +81,7 @@ void up_schedule_sigaction(struct tcb_s *tcb)
if (tcb == this_task())
{
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
}

13
arch/sim/src/sim/sim_sigdeliver.c
View file

@ -35,7 +35,6 @@
#include <nuttx/arch.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "sim_internal.h"
/****************************************************************************
@ -64,7 +63,7 @@ void sim_sigdeliver(void)
int16_t saved_irqcount;
irqstate_t flags;
#endif
if ((rtcb->flags & TCB_FLAG_SIGDELIVER) == 0)
if (NULL == (rtcb->sigdeliver))
{
return;
}
@ -77,9 +76,9 @@ void sim_sigdeliver(void)
flags = enter_critical_section();
#endif
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
/* NOTE: we do not save the return state for sim */
@ -106,7 +105,7 @@ retry:
/* Deliver the signal */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -138,7 +137,7 @@ retry:
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
rtcb->sigdeliver = NULL;
/* NOTE: we leave a critical section here for sim */

9
arch/sparc/src/sparc_v8/sparc_v8_schedulesigaction.c
View file

@ -34,7 +34,6 @@
#include <nuttx/arch.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "sparc_internal.h"
/****************************************************************************
@ -94,8 +93,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
{
/* In this case just deliver the signal now. */
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* CASE 2: We are in an interrupt handler AND the
@ -193,8 +192,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
* REVISIT: Signal handler will run in a critical section!
*/
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* CASE 2: The task that needs to receive the signal is running.

11
arch/sparc/src/sparc_v8/sparc_v8_sigdeliver.c
View file

@ -38,7 +38,6 @@
#include <arch/board/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "sparc_internal.h"
/****************************************************************************
@ -79,9 +78,9 @@ void sparc_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
/* Save the return state on the stack. */
@ -117,7 +116,7 @@ retry:
/* Deliver the signal */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -169,7 +168,7 @@ retry:
regs[REG_PC] = rtcb->xcp.saved_pc;
regs[REG_NPC] = rtcb->xcp.saved_npc;
regs[REG_PSR] = rtcb->xcp.saved_status;
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
#ifdef CONFIG_SMP
/* Restore the saved 'irqcount' and recover the critical section

5
arch/tricore/src/common/tricore_schedulesigaction.c
View file

@ -36,7 +36,6 @@
#include <nuttx/spinlock.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "tricore_internal.h"
/****************************************************************************
@ -95,8 +94,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
{
/* In this case just deliver the signal now. */
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* CASE 2: We are in an interrupt handler AND the

11
arch/tricore/src/common/tricore_sigdeliver.c
View file

@ -37,7 +37,6 @@
#include <arch/board/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "tricore_internal.h"
/****************************************************************************
@ -61,9 +60,9 @@ void tricore_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
retry:
@ -77,7 +76,7 @@ retry:
/* Deliver the signal */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -109,7 +108,7 @@ retry:
* could be modified by a hostile program.
*/
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of
* execution.

5
arch/x86/src/i486/i486_schedulesigaction.c
View file

@ -34,7 +34,6 @@
#include <nuttx/arch.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "x86_internal.h"
/****************************************************************************
@ -92,8 +91,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
{
/* In this case just deliver the signal now. */
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* CASE 2: We are in an interrupt handler AND the interrupted task

14
arch/x86/src/i486/i486_sigdeliver.c
View file

@ -37,7 +37,6 @@
#include <arch/board/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "x86_internal.h"
/****************************************************************************
@ -61,9 +60,9 @@ void x86_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
/* Save the return state on the stack. */
@ -79,7 +78,7 @@ void x86_sigdeliver(void)
/* Deliver the signals */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -101,10 +100,7 @@ void x86_sigdeliver(void)
regs[REG_EIP] = rtcb->xcp.saved_eip;
regs[REG_EFLAGS] = rtcb->xcp.saved_eflags;
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of execution. */

5
arch/x86_64/src/intel64/intel64_schedulesigaction.c
View file

@ -34,7 +34,6 @@
#include <nuttx/arch.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "x86_64_internal.h"
/****************************************************************************
@ -84,8 +83,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
if (tcb == this_task() && !up_interrupt_context())
{
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* Otherwise, we are (1) signaling a task is not running from an

14
arch/x86_64/src/intel64/intel64_sigdeliver.c
View file

@ -37,7 +37,6 @@
#include <arch/board/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "x86_64_internal.h"
/****************************************************************************
@ -71,9 +70,9 @@ void x86_64_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
/* Align regs to 64 byte boundary for XSAVE */
@ -116,7 +115,7 @@ void x86_64_sigdeliver(void)
/* Deliver the signals */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -144,10 +143,7 @@ void x86_64_sigdeliver(void)
regs[REG_RIP] = rtcb->xcp.saved_rip;
regs[REG_RSP] = rtcb->xcp.saved_rsp;
regs[REG_RFLAGS] = rtcb->xcp.saved_rflags;
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
#ifdef CONFIG_SMP
/* Restore the saved 'irqcount' and recover the critical section

5
arch/xtensa/src/common/xtensa_schedsigaction.c
View file

@ -36,7 +36,6 @@
#include "irq/irq.h"
#include "sched/sched.h"
#include "signal/signal.h"
#include "chip.h"
#include "xtensa.h"
@ -96,8 +95,8 @@ void up_schedule_sigaction(struct tcb_s *tcb)
* REVISIT: Signal handler will run in a critical section!
*/
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
else
{

13
arch/xtensa/src/common/xtensa_sigdeliver.c
View file

@ -37,7 +37,6 @@
#include <arch/board/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "xtensa.h"
/****************************************************************************
@ -70,9 +69,9 @@ void xtensa_sig_deliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
retry:
#ifdef CONFIG_SMP
@ -105,7 +104,7 @@ retry:
/* Deliver the signals */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -149,9 +148,7 @@ retry:
* could be modified by a hostile program.
*/
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of execution.
*/

5
arch/z16/src/common/z16_schedulesigaction.c
View file

@ -34,7 +34,6 @@
#include <nuttx/irq.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "z16_internal.h"
/****************************************************************************
@ -96,8 +95,8 @@ void up_schedule_sigaction(FAR struct tcb_s *tcb)
{
/* In this case just deliver the signal now. */
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* CASE 2: We are in an interrupt handler AND the interrupted

11
arch/z16/src/common/z16_sigdeliver.c
View file

@ -37,7 +37,6 @@
#include <arch/board/board.h>
#include "sched/sched.h"
#include "signal/signal.h"
#include "z16_internal.h"
/****************************************************************************
@ -62,9 +61,9 @@ void z16_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
/* Save the return state on the stack. */
@ -80,7 +79,7 @@ void z16_sigdeliver(void)
/* Deliver the signals */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -102,7 +101,7 @@ void z16_sigdeliver(void)
regs32[REG_PC / 2] = rtcb->xcp.saved_pc;
regs[REG_FLAGS] = rtcb->xcp.saved_i;
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of execution. */

5
arch/z80/src/ez80/ez80_schedulesigaction.c
View file

@ -35,7 +35,6 @@
#include "chip/switch.h"
#include "sched/sched.h"
#include "signal/signal.h"
#include "z80_internal.h"
/****************************************************************************
@ -120,8 +119,8 @@ void up_schedule_sigaction(FAR struct tcb_s *tcb)
{
/* In this case just deliver the signal now. */
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* CASE 2: We are in an interrupt handler AND the interrupted task

18
arch/z80/src/ez80/ez80_sigdeliver.c
View file

@ -39,7 +39,6 @@
#include "chip/switch.h"
#include "sched/sched.h"
#include "signal/signal.h"
#include "z80_internal.h"
/****************************************************************************
@ -63,9 +62,9 @@ void z80_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
/* Save the return state on the stack. */
@ -81,7 +80,7 @@ void z80_sigdeliver(void)
/* Deliver the signals */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -101,12 +100,9 @@ void z80_sigdeliver(void)
* could be modified by a hostile program.
*/
regs[XCPT_PC] = rtcb->xcp.saved_pc;
regs[XCPT_I] = rtcb->xcp.saved_i;
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
regs[XCPT_PC] = rtcb->xcp.saved_pc;
regs[XCPT_I] = rtcb->xcp.saved_i;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Modify the saved return state with the actual saved values in the
* TCB. This depends on the fact that nested signal handling is

5
arch/z80/src/z180/z180_schedulesigaction.c
View file

@ -38,7 +38,6 @@
#include "switch.h"
#include "sched/sched.h"
#include "signal/signal.h"
#include "z80_internal.h"
/****************************************************************************
@ -123,8 +122,8 @@ void up_schedule_sigaction(FAR struct tcb_s *tcb)
{
/* In this case just deliver the signal now. */
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* CASE 2: We are in an interrupt handler AND the interrupted task

18
arch/z80/src/z180/z180_sigdeliver.c
View file

@ -36,7 +36,6 @@
#include "chip/switch.h"
#include "sched/sched.h"
#include "signal/signal.h"
#include "z80_internal.h"
/****************************************************************************
@ -60,9 +59,9 @@ void z80_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
/* Save the return state on the stack. */
@ -78,7 +77,7 @@ void z80_sigdeliver(void)
/* Deliver the signals */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -98,12 +97,9 @@ void z80_sigdeliver(void)
* could be modified by a hostile program.
*/
regs[XCPT_PC] = rtcb->xcp.saved_pc;
regs[XCPT_I] = rtcb->xcp.saved_i;
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
regs[XCPT_PC] = rtcb->xcp.saved_pc;
regs[XCPT_I] = rtcb->xcp.saved_i;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of execution. */

5
arch/z80/src/z8/z8_schedulesigaction.c
View file

@ -35,7 +35,6 @@
#include "chip/switch.h"
#include "sched/sched.h"
#include "signal/signal.h"
#include "z80_internal.h"
/****************************************************************************
@ -120,8 +119,8 @@ void up_schedule_sigaction(FAR struct tcb_s *tcb)
{
/* In this case just deliver the signal now. */
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* CASE 2: We are in an interrupt handler AND the interrupted task

14
arch/z80/src/z8/z8_sigdeliver.c
View file

@ -36,7 +36,6 @@
#include "chip/switch.h"
#include "sched/sched.h"
#include "signal/signal.h"
#include "z80_internal.h"
/****************************************************************************
@ -79,9 +78,9 @@ void z80_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
/* Save the return state on the stack. */
@ -97,7 +96,7 @@ void z80_sigdeliver(void)
/* Deliver the signals */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -119,10 +118,7 @@ void z80_sigdeliver(void)
regs[XCPT_PC] = rtcb->xcp.saved_pc;
regs[XCPT_IRQCTL] = rtcb->xcp.saved_irqctl;
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of execution. */

5
arch/z80/src/z80/z80_schedulesigaction.c
View file

@ -36,7 +36,6 @@
#include "chip/switch.h"
#include "sched/sched.h"
#include "signal/signal.h"
#include "z80_internal.h"
/****************************************************************************
@ -121,8 +120,8 @@ void up_schedule_sigaction(FAR struct tcb_s *tcb)
{
/* In this case just deliver the signal now. */
nxsig_deliver(tcb);
tcb->flags &= ~TCB_FLAG_SIGDELIVER;
(tcb->sigdeliver)(tcb);
tcb->sigdeliver = NULL;
}
/* CASE 2: We are in an interrupt handler AND the interrupted task

18
arch/z80/src/z80/z80_sigdeliver.c
View file

@ -36,7 +36,6 @@
#include "chip/switch.h"
#include "sched/sched.h"
#include "signal/signal.h"
#include "z80_internal.h"
/****************************************************************************
@ -60,9 +59,9 @@ void z80_sigdeliver(void)
board_autoled_on(LED_SIGNAL);
sinfo("rtcb=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigpendactionq.head);
DEBUGASSERT((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0);
sinfo("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
rtcb, rtcb->sigdeliver, rtcb->sigpendactionq.head);
DEBUGASSERT(rtcb->sigdeliver != NULL);
/* Save the return state on the stack. */
@ -78,7 +77,7 @@ void z80_sigdeliver(void)
/* Deliver the signals */
nxsig_deliver(rtcb);
(rtcb->sigdeliver)(rtcb);
/* Output any debug messages BEFORE restoring errno (because they may
* alter errno), then disable interrupts again and restore the original
@ -98,12 +97,9 @@ void z80_sigdeliver(void)
* could be modified by a hostile program.
*/
regs[XCPT_PC] = rtcb->xcp.saved_pc;
regs[XCPT_I] = rtcb->xcp.saved_i;
/* Allows next handler to be scheduled */
rtcb->flags &= ~TCB_FLAG_SIGDELIVER;
regs[XCPT_PC] = rtcb->xcp.saved_pc;
regs[XCPT_I] = rtcb->xcp.saved_i;
rtcb->sigdeliver = NULL; /* Allows next handler to be scheduled */
/* Then restore the correct state for this thread of execution. */

2
drivers/syslog/syslog_write.c
View file

@ -68,7 +68,7 @@ static bool syslog_safe_to_block(void)
/* It's not safe to block if a signal is being delivered */
rtcb = nxsched_self();
if ((rtcb->flags & TCB_FLAG_SIGDELIVER) != 0)
if (rtcb->sigdeliver != NULL)
{
return false;
}

31
include/nuttx/sched.h
View file

@ -93,23 +93,22 @@
# define TCB_FLAG_TTYPE_TASK (0 << TCB_FLAG_TTYPE_SHIFT) /* Normal user task */
# define TCB_FLAG_TTYPE_PTHREAD (1 << TCB_FLAG_TTYPE_SHIFT) /* User pthread */
# define TCB_FLAG_TTYPE_KERNEL (2 << TCB_FLAG_TTYPE_SHIFT) /* Kernel thread */
#define TCB_FLAG_POLICY_SHIFT (2) /* Bit 2-3: Scheduling policy */
#define TCB_FLAG_POLICY_SHIFT (3) /* Bit 3-4: Scheduling policy */
#define TCB_FLAG_POLICY_MASK (3 << TCB_FLAG_POLICY_SHIFT)
# define TCB_FLAG_SCHED_FIFO (0 << TCB_FLAG_POLICY_SHIFT) /* FIFO scheding policy */
# define TCB_FLAG_SCHED_RR (1 << TCB_FLAG_POLICY_SHIFT) /* Round robin scheding policy */
# define TCB_FLAG_SCHED_SPORADIC (2 << TCB_FLAG_POLICY_SHIFT) /* Sporadic scheding policy */
#define TCB_FLAG_CPU_LOCKED (1 << 4) /* Bit 4: Locked to this CPU */
#define TCB_FLAG_SIGNAL_ACTION (1 << 5) /* Bit 5: In a signal handler */
#define TCB_FLAG_SYSCALL (1 << 6) /* Bit 6: In a system call */
#define TCB_FLAG_EXIT_PROCESSING (1 << 7) /* Bit 7: Exiting */
#define TCB_FLAG_FREE_STACK (1 << 8) /* Bit 8: Free stack after exit */
#define TCB_FLAG_HEAP_CHECK (1 << 9) /* Bit 9: Heap check */
#define TCB_FLAG_HEAP_DUMP (1 << 10) /* Bit 10: Heap dump */
#define TCB_FLAG_DETACHED (1 << 11) /* Bit 11: Pthread detached */
#define TCB_FLAG_FORCED_CANCEL (1 << 12) /* Bit 12: Pthread cancel is forced */
#define TCB_FLAG_JOIN_COMPLETED (1 << 13) /* Bit 13: Pthread join completed */
#define TCB_FLAG_FREE_TCB (1 << 14) /* Bit 14: Free tcb after exit */
#define TCB_FLAG_SIGDELIVER (1 << 15) /* Bit 15: Deliver pending signals */
#define TCB_FLAG_CPU_LOCKED (1 << 5) /* Bit 5: Locked to this CPU */
#define TCB_FLAG_SIGNAL_ACTION (1 << 6) /* Bit 6: In a signal handler */
#define TCB_FLAG_SYSCALL (1 << 7) /* Bit 7: In a system call */
#define TCB_FLAG_EXIT_PROCESSING (1 << 8) /* Bit 8: Exiting */
#define TCB_FLAG_FREE_STACK (1 << 9) /* Bit 9: Free stack after exit */
#define TCB_FLAG_HEAP_CHECK (1 << 10) /* Bit 10: Heap check */
#define TCB_FLAG_HEAP_DUMP (1 << 11) /* Bit 11: Heap dump */
#define TCB_FLAG_DETACHED (1 << 12) /* Bit 12: Pthread detached */
#define TCB_FLAG_FORCED_CANCEL (1 << 13) /* Bit 13: Pthread cancel is forced */
#define TCB_FLAG_JOIN_COMPLETED (1 << 14) /* Bit 14: Pthread join completed */
#define TCB_FLAG_FREE_TCB (1 << 15) /* Bit 15: Free tcb after exit */
#define TCB_FLAG_PREEMPT_SCHED (1 << 16) /* Bit 16: tcb is PREEMPT_SCHED */
/* Values for struct task_group tg_flags */
@ -284,6 +283,7 @@ typedef enum tstate_e tstate_t;
/* The following is the form of a thread start-up function */
typedef CODE void (*start_t)(void);
typedef CODE void (*sig_deliver_t)(FAR struct tcb_s *tcb);
/* This is the entry point into the main thread of the task or into a created
* pthread within the task.
@ -697,6 +697,11 @@ struct tcb_s
struct xcptcontext xcp; /* Interrupt register save area */
/* The following function pointer is non-zero if there are pending signals
* to be processed.
*/
sig_deliver_t sigdeliver;
#if CONFIG_TASK_NAME_SIZE > 0
char name[CONFIG_TASK_NAME_SIZE + 1]; /* Task name (with NUL terminator) */
#endif

8
sched/signal/sig_dispatch.c
View file

@ -86,7 +86,7 @@ static int sig_handler(FAR void *cookie)
tcb->flags &= ~TCB_FLAG_CPU_LOCKED;
}
if ((tcb->flags & TCB_FLAG_SIGDELIVER) != 0)
if (tcb->sigdeliver)
{
up_schedule_sigaction(tcb);
}
@ -158,13 +158,13 @@ static int nxsig_queue_action(FAR struct tcb_s *stcb,
* up_schedule_sigaction()
*/
if ((stcb->flags & TCB_FLAG_SIGDELIVER) == 0)
if (!stcb->sigdeliver)
{
#ifdef CONFIG_SMP
int cpu = stcb->cpu;
int me = this_cpu();
stcb->flags |= TCB_FLAG_SIGDELIVER;
stcb->sigdeliver = nxsig_deliver;
if (cpu != me && stcb->task_state == TSTATE_TASK_RUNNING)
{
struct sig_arg_s arg;
@ -189,7 +189,7 @@ static int nxsig_queue_action(FAR struct tcb_s *stcb,
else
#endif
{
stcb->flags |= TCB_FLAG_SIGDELIVER;
stcb->sigdeliver = nxsig_deliver;
up_schedule_sigaction(stcb);
}
}