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Shared mem bugfix 2

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Lorenz Stechauner
2020-12-28 13:53:18 +01:00
parent b64828b01a
commit 09b2118863
1 changed files with 9 additions and 9 deletions
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18
src/cache.c
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@ -36,15 +36,6 @@ int cache_process() {
return -1;
}
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 -3;
}
shmdt(cache);
void *shm_rw = shmat(shm_id, NULL, 0);
if (shm_rw == (void *) -1) {
@ -168,6 +159,15 @@ int cache_init() {
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));