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- handle ENOSPC in shmem init.

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- be a little bit more friendly about grabbing semaphores
This commit is contained in:
Andrew Tridgell 0001-01-01 00:00:00 +00:00
parent 90b8675b88
commit 87f8870893
1 changed files with 6 additions and 4 deletions
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10
source/locking/shmem_sysv.c
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@ -557,8 +557,9 @@ struct shmem_ops *sysv_shm_open(int ronly)
while (hash_size > 1) { while (hash_size > 1) {
sem_id = semget(SEMAPHORE_KEY, hash_size+1, sem_id = semget(SEMAPHORE_KEY, hash_size+1,
IPC_CREAT|IPC_EXCL| SEMAPHORE_PERMS); IPC_CREAT|IPC_EXCL| SEMAPHORE_PERMS);
if (sem_id != -1 || errno != EINVAL) break; if (sem_id != -1 ||
hash_size--; (errno != EINVAL && errno != ENOSPC)) break;
hash_size -= 5;
} }
if (sem_id == -1) { if (sem_id == -1) {
@ -639,8 +640,9 @@ struct shmem_ops *sysv_shm_open(int ronly)
while (shm_size > MIN_SHM_SIZE) { while (shm_size > MIN_SHM_SIZE) {
shm_id = shmget(SHMEM_KEY, shm_size, shm_id = shmget(SHMEM_KEY, shm_size,
IPC_CREAT | IPC_EXCL | IPC_PERMS); IPC_CREAT | IPC_EXCL | IPC_PERMS);
if (shm_id != -1 || errno != EINVAL) break; if (shm_id != -1 ||
shm_size *= 0.9; (errno != EINVAL && errno != ENOSPC)) break;
shm_size *= 0.8;
} }
created_new = (shm_id != -1); created_new = (shm_id != -1);
} }