sem_open should make process-shared semaphores

this did not matter because we don't yet treat process-shared special.
when private futex support is added, however, it will matter.

diff --git a/src/thread/sem_open.c b/src/thread/sem_open.c
index 0361a76..2e900eb 100644 (file)
--- a/src/thread/sem_open.c
+++ b/src/thread/sem_open.c
@@ -71,7 +71,7 @@ sem_t *sem_open(const char *name, int flags, ...)
                        errno = EINVAL;
                        return SEM_FAILED;
                }
                        errno = EINVAL;
                        return SEM_FAILED;
                }

-               sem_init(&newsem, 0, value);
+               sem_init(&newsem, 1, value);

                clock_gettime(CLOCK_REALTIME, &ts);
                snprintf(tmp, sizeof(tmp), "/dev/shm/%p-%p-%d-%d",
                        &name, name, (int)getpid(), (int)ts.tv_nsec);
                clock_gettime(CLOCK_REALTIME, &ts);
                snprintf(tmp, sizeof(tmp), "/dev/shm/%p-%p-%d-%d",
                        &name, name, (int)getpid(), (int)ts.tv_nsec);