lorenz.stechauner/sesimos
1
1
Fork 0
Code Issues Pull Requests Projects Releases Activity

Shared mem bugfix 2

Browse Source
This commit is contained in:
Lorenz Stechauner
2020-12-28 13:53:18 +01:00
parent b64828b01a
commit 09b2118863
1 changed files with 9 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
src/cache.c
View File

@ -36,15 +36,6 @@ int cache_process() {
return -1; 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); shmdt(cache);
void *shm_rw = shmat(shm_id, NULL, 0); void *shm_rw = shmat(shm_id, NULL, 0);
if (shm_rw == (void *) -1) { if (shm_rw == (void *) -1) {
@ -168,6 +159,15 @@ int cache_init() {
return -2; 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); void *shm = shmat(shm_id, NULL, SHM_RDONLY);
if (shm == (void *) -1) { if (shm == (void *) -1) {
fprintf(stderr, ERR_STR "Unable to attach shared memory (ro): %s" CLR_STR "\n", strerror(errno)); fprintf(stderr, ERR_STR "Unable to attach shared memory (ro): %s" CLR_STR "\n", strerror(errno));