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cosmopolitan/libc/thread
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Justine Tunney b4b5af498f Support C11 threads API 
The C11 standard threads API is a subset of the POSIX threads API. It is
cool, because for example C11 mutexes can be a lighter weight wrapper of
nsync that only needs 24 bytes per `mtx_t` as opposed to pthread_mutex_t
requiring 64 bytes per mutex. To test that it all works, dozens of tests
have been added to the test/c11/ and test/posix/ folders.
2026-05-20 14:32:32 -07:00
..
alarm.c
Make improvements
2025-11-16 21:15:26 -08:00
barrier.h
Make improvements
2025-11-16 21:15:26 -08:00
BUILD.mk
Make improvements
2025-11-16 21:15:26 -08:00
cnd_broadcast.c
Support C11 threads API
2026-05-20 14:32:32 -07:00
cnd_destroy.c
Support C11 threads API
2026-05-20 14:32:32 -07:00
cnd_init.c
Support C11 threads API
2026-05-20 14:32:32 -07:00
cnd_signal.c
Support C11 threads API
2026-05-20 14:32:32 -07:00
cnd_timedwait.c
Support C11 threads API
2026-05-20 14:32:32 -07:00
cnd_wait.c
Support C11 threads API
2026-05-20 14:32:32 -07:00
freebsd.internal.h
Introduce pthread_condattr_setclock()
2024-09-02 23:45:42 -07:00
getitimer.c
Get rid of .internal.h convention in LIBC_INTRIN
2024-07-19 19:38:00 -07:00
getstackbottom.c
Rewrite memory manager
2024-06-22 05:45:11 -07:00
isstackoverflow.c
Make execve() linger when it can't spoof parent
2025-01-04 21:13:37 -08:00
itimer.c
Make improvements
2025-11-16 21:15:26 -08:00
itimer.h
Make improvements
2025-11-16 21:15:26 -08:00
lock.h
Eliminate cyclic locks in runtime
2024-12-16 22:25:12 -08:00
makecontext.c
Make improvements
2025-11-16 21:15:26 -08:00
mapstack.c
Reduce stack virtual memory consumption on Linux
2024-12-25 20:58:08 -08:00
mktls.c
Make improvements
2025-11-16 21:15:26 -08:00
mtx_destroy.c
Support C11 threads API
2026-05-20 14:32:32 -07:00
mtx_init.c
Support C11 threads API
2026-05-20 14:32:32 -07:00
mtx_lock.c
Support C11 threads API
2026-05-20 14:32:32 -07:00
mtx_trylock.c
Support C11 threads API
2026-05-20 14:32:32 -07:00
mtx_unlock.c
Support C11 threads API
2026-05-20 14:32:32 -07:00
openbsd.internal.h
Rewrite memory manager
2024-06-22 05:45:11 -07:00
posixthread.internal.h
Make improvements
2025-11-16 21:15:26 -08:00
pt.internal.h
Improve multithreading
2024-07-21 14:40:45 -07:00
pthread_atfork.c
Make improvements
2025-11-16 21:15:26 -08:00
pthread_attr_destroy.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_attr_getdetachstate.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_attr_getguardsize.c
Reduce stack virtual memory consumption on Linux
2024-12-25 20:58:08 -08:00
pthread_attr_getinheritsched.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_attr_getschedparam.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_attr_getschedpolicy.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_attr_getscope.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_attr_getsigaltstack_np.c
Improve multithreading
2024-07-21 14:40:45 -07:00
pthread_attr_getsigaltstacksize_np.c
Improve multithreading
2024-07-21 14:40:45 -07:00
pthread_attr_getsigmask_np.c
Make improvements
2025-11-16 21:15:26 -08:00
pthread_attr_getstack.c
Reduce stack virtual memory consumption on Linux
2024-12-25 20:58:08 -08:00
pthread_attr_getstacksize.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_attr_init.c
Reduce stack virtual memory consumption on Linux
2024-12-25 20:58:08 -08:00
pthread_attr_setdetachstate.c
Make threads faster and more reliable
2024-12-21 22:13:00 -08:00
pthread_attr_setguardsize.c
Reduce stack virtual memory consumption on Linux
2024-12-25 20:58:08 -08:00
pthread_attr_setinheritsched.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_attr_setschedparam.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_attr_setschedpolicy.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_attr_setscope.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_attr_setsigaltstack_np.c
Improve multithreading
2024-07-21 14:40:45 -07:00
pthread_attr_setsigaltstacksize_np.c
Improve multithreading
2024-07-21 14:40:45 -07:00
pthread_attr_setsigmask_np.c
Make improvements
2025-11-16 21:15:26 -08:00
pthread_attr_setstack.c
Reduce stack virtual memory consumption on Linux
2024-12-25 20:58:08 -08:00
pthread_attr_setstacksize.c
Improve memory manager and signal handling
2024-12-27 01:33:00 -08:00
pthread_barrier_destroy.c
Make improvements
2025-11-16 21:15:26 -08:00
pthread_barrier_init.c
Make improvements
2025-11-16 21:15:26 -08:00
pthread_barrier_wait.c
Make improvements
2025-11-16 21:15:26 -08:00
pthread_barrierattr_destroy.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_barrierattr_getpshared.c
Make more improvements to threads and mappings
2024-07-24 01:19:54 -07:00
pthread_barrierattr_init.c
Make more improvements to threads and mappings
2024-07-24 01:19:54 -07:00
pthread_barrierattr_setpshared.c
Make more improvements to threads and mappings
2024-07-24 01:19:54 -07:00
pthread_cancel.c
Make improvements
2025-11-16 21:15:26 -08:00
pthread_cond_broadcast.c
Eliminate cyclic locks in runtime
2024-12-16 22:25:12 -08:00
pthread_cond_destroy.c
Eliminate cyclic locks in runtime
2024-12-16 22:25:12 -08:00
pthread_cond_init.c
Allow user to override pthread mutex and cond
2024-12-23 21:57:52 -08:00
pthread_cond_signal.c
Make improvements
2025-11-16 21:15:26 -08:00
pthread_cond_timedwait.c
Improve invalid lock timestamp checking
2026-05-20 13:30:20 -07:00
pthread_cond_wait.c
Make improvements
2025-11-16 21:15:26 -08:00
pthread_condattr_destroy.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_condattr_getclock.c
Delve into clock rabbit hole
2024-09-04 01:32:46 -07:00
pthread_condattr_getpshared.c
Introduce pthread_condattr_setclock()
2024-09-02 23:45:42 -07:00
pthread_condattr_init.c
Introduce pthread_condattr_setclock()
2024-09-02 23:45:42 -07:00
pthread_condattr_setclock.c
Delve into clock rabbit hole
2024-09-04 01:32:46 -07:00
pthread_condattr_setpshared.c
Introduce pthread_condattr_setclock()
2024-09-02 23:45:42 -07:00
pthread_create.c
Make improvements
2025-11-16 21:15:26 -08:00
pthread_decimate_np.c
Fix fork waiter leak in nsync
2024-12-31 01:30:13 -08:00
pthread_detach.c
Delve into clock rabbit hole
2024-09-04 01:32:46 -07:00
pthread_equal.c
Make improvements
2025-11-16 21:15:26 -08:00
pthread_exit.c
Support C11 threads API
2026-05-20 14:32:32 -07:00
pthread_getaffinity_np.c
Make some improvements of little consequence
2024-07-27 08:20:18 -07:00
pthread_getattr_np.c
Improve memory manager and signal handling
2024-12-27 01:33:00 -08:00
pthread_getname_np.c
Make improvements
2025-11-16 21:15:26 -08:00
pthread_getschedparam.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_getthreadid_np.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_getunique_np.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_join.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_kill.c
Make improvements
2025-11-16 21:15:26 -08:00
pthread_mutex_clocklock.c
Introduce pthread_mutex_clocklock()
2026-05-20 10:25:15 -07:00
pthread_mutex_consistent.c
Allow user to override pthread mutex and cond
2024-12-23 21:57:52 -08:00
pthread_mutex_destroy.c
Allow user to override pthread mutex and cond
2024-12-23 21:57:52 -08:00
pthread_mutex_timedlock.c
Introduce pthread_mutex_clocklock()
2026-05-20 10:25:15 -07:00
pthread_mutexattr_destroy.c
Allow user to override pthread mutex and cond
2024-12-23 21:57:52 -08:00
pthread_mutexattr_getpshared.c
Allow user to override pthread mutex and cond
2024-12-23 21:57:52 -08:00
pthread_mutexattr_gettype.c
Allow user to override pthread mutex and cond
2024-12-23 21:57:52 -08:00
pthread_mutexattr_init.c
Allow user to override pthread mutex and cond
2024-12-23 21:57:52 -08:00
pthread_mutexattr_setpshared.c
Allow user to override pthread mutex and cond
2024-12-23 21:57:52 -08:00
pthread_mutexattr_settype.c
Allow user to override pthread mutex and cond
2024-12-23 21:57:52 -08:00
pthread_once.cc
Introduce pthread_mutex_clocklock()
2026-05-20 10:25:15 -07:00
pthread_reschedule.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_self.c
Add much of C11 threads.h API
2024-04-28 07:04:08 -07:00
pthread_setaffinity_np.c
Make some improvements of little consequence
2024-07-27 08:20:18 -07:00
pthread_setcanceltype.c
Remove pthread_setcanceltype() from non-dbg strace
2025-01-02 22:25:29 -08:00
pthread_setname_np.c
Make improvements
2025-11-16 21:15:26 -08:00
pthread_setschedparam_freebsd.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_setschedparam.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_setschedprio.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_sigmask.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
pthread_spin_destroy.c
Allow user to override pthread mutex and cond
2024-12-23 21:57:52 -08:00
pthread_spin_init.c
Make improvements
2025-11-16 21:15:26 -08:00
pthread_spin_lock.c
Allow user to override pthread mutex and cond
2024-12-23 21:57:52 -08:00
pthread_spin_trylock.c
Allow user to override pthread mutex and cond
2024-12-23 21:57:52 -08:00
pthread_spin_unlock.c
Allow user to override pthread mutex and cond
2024-12-23 21:57:52 -08:00
pthread_timedjoin_np.c
Fix fork waiter leak in nsync
2024-12-31 01:30:13 -08:00
pthread_tryjoin_np.c
Make improvements
2025-11-16 21:15:26 -08:00
pthread_zombify.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
README.md
Use *NSYNC for POSIX threads locking APIs
2022-09-11 11:04:50 -07:00
sem_destroy.c
Speed up unnamed POSIX semaphores
2024-09-13 06:25:27 -07:00
sem_getvalue.c
Make improvements
2025-11-16 21:15:26 -08:00
sem_init.c
Speed up unnamed POSIX semaphores
2024-09-13 06:25:27 -07:00
sem_open.c
Make improvements
2025-11-16 21:15:26 -08:00
sem_post.c
Make improvements
2025-11-16 21:15:26 -08:00
sem_timedwait.c
Make improvements
2025-11-16 21:15:26 -08:00
sem_trywait.c
Make improvements
2025-11-16 21:15:26 -08:00
sem_wait.c
flip et / noet in modelines
2023-12-07 22:17:11 -05:00
semaphore.h
Remove leaf attribute where appropriate
2025-01-02 08:07:15 -08:00
setitimer.c
Get rid of .internal.h convention in LIBC_INTRIN
2024-07-19 19:38:00 -07:00
thrd_create.c
Support C11 threads API
2026-05-20 14:32:32 -07:00
thrd_detach.c
Make improvements
2025-11-16 21:15:26 -08:00
thrd_join.c
Make improvements
2025-11-16 21:15:26 -08:00
thrd_sleep.c
Support C11 threads API
2026-05-20 14:32:32 -07:00
thread2.h
Introduce pthread_mutex_clocklock()
2026-05-20 10:25:15 -07:00
thread.h
Make improvements
2025-11-16 21:15:26 -08:00
threads.h
Support C11 threads API
2026-05-20 14:32:32 -07:00
tls.h
Make improvements
2025-11-16 21:15:26 -08:00
ualarm.c
Make improvements
2025-11-16 21:15:26 -08:00
xnu.internal.h
Reduce header complexity
2023-11-28 14:39:42 -08:00

README.md

Cosmpolitan POSIX Threads Library

Cosmopolitan Libc implements threading as it is written in The Open Group Base Specifications Issue 7, 2018 edition IEEE Std 1003.1-2017 (Revision of IEEE Std 1003.1-2008) in addition to GNU extensions.

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