mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-06-26 14:28:30 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Introduce cosmo_futex_wait and cosmo_futex_wake

Browse source 
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
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
66 changed files with 886 additions and 917 deletions
Download patch file Download diff file Expand all files Collapse all files

4
libc/thread/pthread_cond_broadcast.c
View file

@ -16,12 +16,12 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/cosmo.h"
#include "libc/dce.h"
#include "libc/intrin/atomic.h"
#include "libc/limits.h"
#include "libc/thread/thread.h"
#include "third_party/nsync/cv.h"
#include "third_party/nsync/futex.internal.h"
__static_yoink("nsync_mu_lock");
__static_yoink("nsync_mu_unlock");
@ -63,6 +63,6 @@ errno_t pthread_cond_broadcast(pthread_cond_t *cond) {
// roll forward the monotonic sequence
atomic_fetch_add_explicit(&cond->_sequence, 1, memory_order_acq_rel);
if (atomic_load_explicit(&cond->_waiters, memory_order_acquire))
nsync_futex_wake_((atomic_int *)&cond->_sequence, INT_MAX, cond->_pshared);
cosmo_futex_wake((atomic_int *)&cond->_sequence, INT_MAX, cond->_pshared);
return 0;
}