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Vincent Wei
2021-04-20 18:17:57 +08:00
parent 70aa7516fc
commit 9c44c1eccb
1 changed files with 11 additions and 4 deletions
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src/newgal/pcxvfb/pcxvfb.c
+11 -4
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@@ -138,17 +138,24 @@ static int shm_init_lock (key_t key)
}
sem.val = 1;
semctl (semid, 0, SETVAL, sem);
return 0;
}
static int shm_lock (int semid) {
static void shm_lock (int semid)
{
struct sembuf sops = {0, -1, SEM_UNDO};
return (semop (semid, &sops, 1));
if (semop (semid, &sops, 1) < 0)
_WRN_PRINTF ("NEWGAL>PCXVFB: failed to lock sempahore id: %d\n", semid);
}
static int shm_unlock (int semid) {
static void shm_unlock (int semid)
{
struct sembuf sops = {0, +1, SEM_UNDO};
return (semop (semid, &sops, 1));
if (semop (semid, &sops, 1))
_WRN_PRINTF ("NEWGAL>PCXVFB: failed to unlock sempahore id: %d\n", semid);
}
static int execl_pcxvfb (void)