static struct chain {
struct chain *next;
sem_t sem, sem2;
-} *head;
+} *head, *cur;
static void (*callback)(void *), *context;
static int chainlen;
errno = old_errno;
}
+void __synccall_wait()
+{
+ struct chain *ch = cur;
+ sem_post(&ch->sem2);
+ while (sem_wait(&ch->sem));
+ sem_post(&ch->sem);
+}
+
void __synccall(void (*func)(void *), void *ctx)
{
pthread_t self;
struct sigaction sa;
- struct chain *cur, *next;
+ struct chain *next;
uint64_t oldmask;
- pthread_rwlock_wrlock(&lock);
-
- __syscall(SYS_rt_sigprocmask, SIG_BLOCK, (uint64_t[]){-1}, &oldmask, 8);
-
if (!libc.threads_minus_1) {
func(ctx);
return;
}
+ pthread_rwlock_wrlock(&lock);
+
+ __syscall(SYS_rt_sigprocmask, SIG_BLOCK, (uint64_t[]){-1}, &oldmask, 8);
+
sem_init(&chaindone, 0, 0);
sem_init(&chainlock, 0, 1);
chainlen = 0;