mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-06-26 22:38:30 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Make more improvements to threads and mappings

Browse source 
- NetBSD should now have faster synchronization
- POSIX barriers may now be shared across processes
- An edge case with memory map tracking has been fixed
- Grand Central Dispatch is no longer used on MacOS ARM64
- POSIX mutexes in normal mode now use futexes across processes
This commit is contained in:
Justine Tunney 2024-07-24 01:05:00 -07:00
parent 2187d6d2dd
commit e398f3887c
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
20 changed files with 566 additions and 171 deletions
Download patch file Download diff file Expand all files Collapse all files

10
libc/thread/pthread_barrier_destroy.c
View file

@ -16,9 +16,10 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/errno.h"
#include "libc/intrin/atomic.h"
#include "libc/str/str.h"
#include "libc/thread/thread.h"
#include "third_party/nsync/counter.h"
/**
* Destroys barrier.
@ -27,9 +28,8 @@
* @raise EINVAL if threads are still inside the barrier
*/
errno_t pthread_barrier_destroy(pthread_barrier_t *barrier) {
if (barrier->_nsync) {
nsync_counter_free(barrier->_nsync);
barrier->_nsync = 0;
}
if (atomic_load_explicit(&barrier->_waiters, memory_order_relaxed))
return EINVAL;
memset(barrier, -1, sizeof(*barrier));
return 0;
}