mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-05-23 13:52:28 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Make improvements

Browse source 
- Improve compatibility with Blink virtual machine
- Add non-POSIX APIs for joining threads and signal masks
- Never ever use anything except 32-bit integers for atomics
- Add some `#undef` statements to workaround `ctags` problems
This commit is contained in:
Justine Tunney 2022-11-10 21:52:47 -08:00
parent b46ac13504
commit f2af97711b
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
114 changed files with 902 additions and 363 deletions
Download patch file Download diff file Expand all files Collapse all files

29
libc/thread/pthread_join.c
View file

@ -16,13 +16,7 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/assert.h"
#include "libc/errno.h"
#include "libc/intrin/atomic.h"
#include "libc/thread/posixthread.internal.h"
#include "libc/thread/thread.h"
#include "libc/thread/tls.h"
#include "libc/thread/wait0.internal.h"
#include "libc/thread/thread2.h"
/**
* Waits for thread to terminate.
@ -44,24 +38,5 @@
* @threadsafe
*/
errno_t pthread_join(pthread_t thread, void **value_ptr) {
errno_t rc;
struct PosixThread *pt;
enum PosixThreadStatus status;
pt = (struct PosixThread *)thread;
status = atomic_load_explicit(&pt->status, memory_order_acquire);
// "The behavior is undefined if the value specified by the thread
// argument to pthread_join() does not refer to a joinable thread."
// ──Quoth POSIX.1-2017
_unassert(status == kPosixThreadJoinable || status == kPosixThreadTerminated);
if (!(rc = _wait0(&pt->tib->tib_tid))) {
pthread_spin_lock(&_pthread_lock);
_pthread_list = nsync_dll_remove_(_pthread_list, &pt->list);
pthread_spin_unlock(&_pthread_lock);
if (value_ptr) {
*value_ptr = pt->rc;
}
_pthread_free(pt);
pthread_decimate_np();
}
return 0;
return pthread_timedjoin_np(thread, value_ptr, 0);
}