From 9c44c1eccb34141976be0fd4f34c1fade354ab80 Mon Sep 17 00:00:00 2001 From: Vincent Wei Date: Tue, 20 Apr 2021 18:17:57 +0800 Subject: [PATCH] tune --- src/newgal/pcxvfb/pcxvfb.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/src/newgal/pcxvfb/pcxvfb.c b/src/newgal/pcxvfb/pcxvfb.c index 0ef0be39..87e82903 100644 --- a/src/newgal/pcxvfb/pcxvfb.c +++ b/src/newgal/pcxvfb/pcxvfb.c @@ -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)