zhangyuan29 b74a50775f sem: change sem wait to atomic operation ... Add sem_wait fast operations, use atomic to ensure atomicity of semcount operations, and do not depend on critical section. Test with robot: before modify: nxmutex_lock cost: 78 ns nxmutex_unlock cost: 82 ns after modify: nxmutex_lock cost: 28 ns nxmutex_unlock cost: 14 ns Signed-off-by: zhangyuan29 <zhangyuan29@xiaomi.com>		2024-12-10 22:00:42 +08:00
..
libbuiltin	gcov.c: Add necessary instrumentation functions	2024-12-10 19:42:31 +08:00
libc	sem: change sem wait to atomic operation	2024-12-10 22:00:42 +08:00
libdsp	libs/libdsp: migrate to SPDX identifier	2024-10-01 12:25:52 +08:00
libm	libm/newlib: Add arch-specific source code first to CSRCS	2024-12-04 02:10:41 +08:00
libnx	makefile/build: Delete unnecessary bin and kbin folders	2024-11-10 01:18:26 +08:00
libxx	libcxxabi: Soft link the libcxxabi header file to nuttx/include.	2024-12-05 21:56:23 +08:00
CMakeLists.txt	libs: migrate to SPDX identifier	2024-10-01 12:25:52 +08:00