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Use *NSYNC for POSIX threads locking APIs

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Condition variables, barriers, and r/w locks now work very well.
This commit is contained in:
Justine Tunney 2022-09-11 11:02:07 -07:00
parent 3de35e196c
commit b5cb71ab84
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GPG key ID: BE714B4575D6E328
197 changed files with 3734 additions and 3817 deletions
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10
test/libc/intrin/pthread_once_test.c
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@ -16,17 +16,19 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/atomic.h"
#include "libc/intrin/atomic.h"
#include "libc/thread/thread.h"
#include "libc/mem/mem.h"
#include "libc/runtime/gc.internal.h"
#include "libc/testlib/testlib.h"
#include "libc/thread/spawn.h"
#include "libc/thread/thread.h"
int i, n;
struct spawn *t;
_Atomic(int) x, y;
atomic_int x, y;
pthread_barrier_t b;
static pthread_once_t once = PTHREAD_ONCE_INIT;
void InitFactory(void) {
ASSERT_EQ(0, atomic_load(&x));
@ -34,7 +36,6 @@ void InitFactory(void) {
}
int Worker(void *arg, int tid) {
static pthread_once_t once = PTHREAD_ONCE_INIT;
pthread_barrier_wait(&b);
ASSERT_EQ(0, pthread_once(&once, InitFactory));
ASSERT_EQ(1, atomic_load(&y));
@ -45,10 +46,11 @@ int Worker(void *arg, int tid) {
TEST(pthread_once, test) {
n = 32;
x = y = 0;
pthread_barrier_init(&b, 0, n);
ASSERT_EQ(0, pthread_barrier_init(&b, 0, n));
t = gc(malloc(sizeof(struct spawn) * n));
for (i = 0; i < n; ++i) ASSERT_SYS(0, 0, _spawn(Worker, 0, t + i));
for (i = 0; i < n; ++i) EXPECT_SYS(0, 0, _join(t + i));
ASSERT_EQ(n, atomic_load(&x));
ASSERT_EQ(1, atomic_load(&y));
ASSERT_EQ(0, pthread_barrier_destroy(&b));
}