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LibPthread: Don't set errno in pthread functions

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POSIX says that pthread API's don't set errno directly. If there is an
error, it should be the return value from the function instead.
This commit is contained in:
Andreas Kling 2019-12-07 14:33:18 +01:00
parent babb726212
commit eaab7f5672
Notes: sideshowbarker 2024-07-19 10:56:34 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/eaab7f56721
1 changed files with 4 additions and 7 deletions
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11
Libraries/LibPthread/pthread.cpp
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@ -24,8 +24,7 @@ extern "C" {
static int create_thread(void* (*entry)(void*), void* argument, void* stack)
{
int rc = syscall(SC_create_thread, entry, argument, stack);
__RETURN_WITH_ERRNO(rc, rc, -1);
return syscall(SC_create_thread, entry, argument, stack);
}
static void exit_thread(void* code)
@ -83,8 +82,7 @@ void pthread_exit(void* value_ptr)
int pthread_join(pthread_t thread, void** exit_value_ptr)
{
int rc = syscall(SC_join_thread, thread, exit_value_ptr);
__RETURN_WITH_ERRNO(rc, rc, -1);
return syscall(SC_join_thread, thread, exit_value_ptr);
}
int pthread_mutex_init(pthread_mutex_t* mutex, const pthread_mutexattr_t* attributes)
@ -413,10 +411,9 @@ int pthread_cond_timedwait(pthread_cond_t* cond, pthread_mutex_t* mutex, const s
while (node.waiting) {
struct timespec now;
if (clock_gettime(condvar.clock, &now) < 0)
return -1;
return errno;
if ((abstime->tv_sec < now.tv_sec) || (abstime->tv_sec == now.tv_sec && abstime->tv_nsec <= now.tv_nsec)) {
errno = ETIMEDOUT;
return -1;
return ETIMEDOUT;
}
pthread_mutex_unlock(mutex);
sched_yield();