diff options
Diffstat (limited to 'src/thread/synccall.c')
| -rw-r--r-- | src/thread/synccall.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/thread/synccall.c b/src/thread/synccall.c index 91ac5eb7..2cd25e4b 100644 --- a/src/thread/synccall.c +++ b/src/thread/synccall.c @@ -4,7 +4,7 @@ static struct chain { struct chain *next; sem_t sem, sem2; -} *head; +} *head, *cur; static void (*callback)(void *), *context; static int chainlen; @@ -47,11 +47,19 @@ static void handler(int sig, siginfo_t *si, void *ctx) 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; if (!libc.threads_minus_1) { |