From 161952441df36f6e67100bcfb6226693ef86f50e Mon Sep 17 00:00:00 2001 From: Lorenz Stechauner Date: Mon, 28 Dec 2020 13:55:38 +0100 Subject: [PATCH] Shared mem bugfix 3 --- src/cache.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/src/cache.c b/src/cache.c index 95af277..8e3bec9 100644 --- a/src/cache.c +++ b/src/cache.c @@ -153,21 +153,12 @@ int cache_init() { return -1; } - int shm_id = shmget(SHM_KEY, FILE_CACHE_SIZE * sizeof(cache_entry), IPC_CREAT | IPC_EXCL); + int shm_id = shmget(SHM_KEY, FILE_CACHE_SIZE * sizeof(cache_entry), IPC_CREAT | IPC_EXCL | 0600); if (shm_id < 0) { fprintf(stderr, ERR_STR "Unable to create shared memory: %s" CLR_STR "\n", strerror(errno)); return -2; } - struct shmid_ds info; - if (shmctl(shm_id, IPC_STAT, &info) < 0) goto shmctl_err; - info.shm_perm.mode = 0600; - if (shmctl(shm_id, IPC_SET, &info) < 0) { - shmctl_err: - fprintf(stderr, ERR_STR "Unable to update permissions for shared memory: %s" CLR_STR "\n", strerror(errno)); - return -6; - } - void *shm = shmat(shm_id, NULL, SHM_RDONLY); if (shm == (void *) -1) { fprintf(stderr, ERR_STR "Unable to attach shared memory (ro): %s" CLR_STR "\n", strerror(errno));