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LibPthread: Add POSIX spec links for pthread_cond API

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Brian Gianforcaro 2022-01-07 00:34:33 -08:00 committed by Brian Gianforcaro
parent 54e15821cd
commit 800f14298d
Notes: sideshowbarker 2024-07-17 21:30:30 +09:00 
Author: https://github.com/bgianfo
Commit: https://github.com/SerenityOS/serenity/commit/800f14298d2
Pull-request: https://github.com/SerenityOS/serenity/pull/11691
Reviewed-by: https://github.com/Quaker762 ✅
1 changed files with 9 additions and 0 deletions
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9
Userland/Libraries/LibPthread/pthread_cond.cpp
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@ -16,17 +16,20 @@
// Condition variable attributes.
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_condattr_init.html
int pthread_condattr_init(pthread_condattr_t* attr)
{
attr->clockid = CLOCK_MONOTONIC_COARSE;
return 0;
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_condattr_destroy.html
int pthread_condattr_destroy(pthread_condattr_t*)
{
return 0;
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_condattr_setclock.html
int pthread_condattr_setclock(pthread_condattr_t* attr, clockid_t clock)
{
attr->clockid = clock;
@ -44,6 +47,7 @@ static constexpr u32 NEED_TO_WAKE_ONE = 1;
static constexpr u32 NEED_TO_WAKE_ALL = 2;
static constexpr u32 INCREMENT = 4;
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_cond_init.html
int pthread_cond_init(pthread_cond_t* cond, const pthread_condattr_t* attr)
{
cond->mutex = nullptr;
@ -52,16 +56,19 @@ int pthread_cond_init(pthread_cond_t* cond, const pthread_condattr_t* attr)
return 0;
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_cond_destroy.html
int pthread_cond_destroy(pthread_cond_t*)
{
return 0;
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_cond_wait.html
int pthread_cond_wait(pthread_cond_t* cond, pthread_mutex_t* mutex)
{
return pthread_cond_timedwait(cond, mutex, nullptr);
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_cond_timedwait.html
int pthread_cond_timedwait(pthread_cond_t* cond, pthread_mutex_t* mutex, const struct timespec* abstime)
{
// Save the mutex this condition variable is associated with. We don't (yet)
@ -85,6 +92,7 @@ int pthread_cond_timedwait(pthread_cond_t* cond, pthread_mutex_t* mutex, const s
return 0;
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_cond_signal.html
int pthread_cond_signal(pthread_cond_t* cond)
{
// Increment the generation.
@ -114,6 +122,7 @@ int pthread_cond_signal(pthread_cond_t* cond)
return 0;
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_cond_broadcast.html
int pthread_cond_broadcast(pthread_cond_t* cond)
{
// Increment the generation.