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Ville Juven 04e760b1c2 sched/gettid: Move thread ID to TLS
There is no need for a gettid() syscall, as the thread ID is stable through
the life of the process. It is safe to put a copy of TID to TLS. This way
a user processes can access TID quickly via its own stack, instead of
having to use an expensive syscall.

Signed-off-by: Ville Juven <ville.juven@unikie.com>
2025-04-08 22:53:10 +08:00
.github tools/ci: Added CI system on Windows Native 2025-03-19 19:59:44 +08:00
arch xtensa/esp32s2: enable sysclk and deassert reset signal for uart1 2025-04-08 22:44:59 +08:00
audio audio/composite: merge composite instance allocate to one times 2025-03-17 10:26:54 +01:00
binfmt binfmt/copyactions: fix comments, make the actions life cycle more clear 2025-02-23 09:46:14 +08:00
boards boards/esp32s3-devkit: Update ESP32-S3's WROOM-2-N32R8V defconfigs 2025-04-08 14:44:38 +08:00
cmake [cmake] savedefconfig.cmake: fix EOL changes to defconfig files on Windows 2025-01-23 02:34:50 +08:00
crypto crypto/xform.c: migrate to SPDX identifier 2024-12-19 14:48:18 +08:00
Documentation arch/stm32f0l0g0: add support for IWDG and WWDG 2025-04-07 23:28:47 +08:00
drivers drivers/ft5x06: Remove wakeup and nreset check 2025-04-04 09:50:19 -03:00
dummy build: add initial cmake build system 2023-07-08 13:50:48 +08:00
fs add a comment on littlefs_attr_s to explain what it is 2025-04-03 16:23:42 +08:00
graphics move readv/writev to the kernel 2024-10-30 17:07:54 +08:00
include sched/gettid: Move thread ID to TLS 2025-04-08 22:53:10 +08:00
libs sched/gettid: Move thread ID to TLS 2025-04-08 22:53:10 +08:00
mm Fix Kconfig style 2025-01-23 23:01:54 +08:00
net net/udp: correct icmp(v6) response from udp_input 2025-03-17 09:57:50 +01:00
openamp Remove all jira and changeid information from the kernel 2024-11-06 02:04:03 +08:00
pass1 Revert "build depend:Revert Make.dep intermediate ddc file" 2024-09-15 19:29:47 +08:00
sched sched/gettid: Move thread ID to TLS 2025-04-08 22:53:10 +08:00
syscall sched/gettid: Move thread ID to TLS 2025-04-08 22:53:10 +08:00
tools arch/xtensa/esp32s3: Fix bug regarding SPI flash operation mode 2025-04-08 14:44:38 +08:00
video Revert "build depend:Revert Make.dep intermediate ddc file" 2024-09-15 19:29:47 +08:00
wireless bluetooth: miss carrier_[on/off] in bt_netdev 2025-02-10 09:01:03 +01:00
.asf.yaml
.gitignore gitignore: add Emacs auto-save files 2025-01-15 16:10:22 +08:00
.pre-commit-config.yaml Created pre-commit config file 2024-08-19 21:40:56 +02:00
.yamllint
AUTHORS AUTHORS: add Yamamoto Takashi 2024-11-04 22:29:22 +08:00
CMakeLists.txt CMakeLists.txt: fix warnings when using upstream boards in out-of-tree configs 2025-03-26 19:24:36 +08:00
CONTRIBUTING.md 202503 Apache NuttX RTOS Contributing Guidelines update. 2025-03-17 08:30:37 -03:00
INVIOLABLES.md
Kconfig debug symbol level: Use config instead 2024-12-04 22:36:45 +08:00
LICENSE libc string:Separate code. 2024-10-23 09:49:19 +08:00
Makefile tools: migrate to SPDX identifier 2024-09-10 23:11:11 +08:00
NOTICE
README.md Gathering community recommendations 2023-10-28 13:55:56 +08:00
ReleaseNotes Documentation: move ReleaseNotes 2023-09-26 20:41:00 +08:00

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Apache NuttX is a real-time operating system (RTOS) with an emphasis on standards compliance and small footprint. Scalable from 8-bit to 64-bit microcontroller environments, the primary governing standards in NuttX are POSIX and ANSI standards. Additional standard APIs from Unix and other common RTOSs (such as VxWorks) are adopted for functionality not available under these standards, or for functionality that is not appropriate for deeply-embedded environments (such as fork()).

For brevity, many parts of the documentation will refer to Apache NuttX as simply NuttX.

Getting Started

First time on NuttX? Read the Getting Started guide! If you don't have a board available, NuttX has its own simulator that you can run on terminal.

Documentation

You can find the current NuttX documentation on the Documentation Page.

Alternatively, you can build the documentation yourself by following the Documentation Build Instructions.

The old NuttX documentation is still available in the Apache wiki.

Supported Boards

NuttX supports a wide variety of platforms. See the full list on the Supported Platforms page.

Contributing

If you wish to contribute to the NuttX project, read the Contributing guidelines for information on Git usage, coding standard, workflow and the NuttX principles.

License

The code in this repository is under either the Apache 2 license, or a license compatible with the Apache 2 license. See the License Page for more information.