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Introduce cosmo_futex_wait and cosmo_futex_wake

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Cosmopolitan Futexes are now exposed as a public API.
This commit is contained in:
Justine Tunney 2024-11-22 11:08:29 -08:00
parent 729f7045e3
commit 9ddbfd921e
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GPG key ID: BE714B4575D6E328
66 changed files with 886 additions and 917 deletions
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6
libc/thread/sem_timedwait.c
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@ -22,6 +22,7 @@
#include "libc/calls/struct/timespec.h"
#include "libc/calls/struct/timespec.internal.h"
#include "libc/calls/syscall-sysv.internal.h"
#include "libc/cosmo.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/intrin/atomic.h"
@ -32,7 +33,6 @@
#include "libc/sysv/errfuns.h"
#include "libc/thread/semaphore.h"
#include "libc/thread/thread.h"
#include "third_party/nsync/futex.internal.h"
static void sem_delay(int n) {
volatile int i;
@ -119,8 +119,8 @@ int sem_timedwait(sem_t *sem, const struct timespec *abstime) {
do {
if (!(v = atomic_load_explicit(&sem->sem_value, memory_order_relaxed))) {
rc = nsync_futex_wait_(&sem->sem_value, v, sem->sem_pshared,
CLOCK_REALTIME, abstime);
rc = cosmo_futex_wait(&sem->sem_value, v, sem->sem_pshared,
CLOCK_REALTIME, abstime);
if (rc == -EINTR || rc == -ECANCELED) {
errno = -rc;
rc = -1;