os_int32
os_destroyKeyFile(
const char * name)
{
os_int32 result;
os_sharedAttr shmAttr;
os_sharedAttrInit(&shmAttr);
result = 0;
switch (shmAttr.sharedImpl) {
case OS_MAP_ON_FILE:
result = os_posix_destroyKeyFile(name);
break;
case OS_MAP_ON_SEG:
result = os_svr4_destroyKeyFile(name);
break;
case OS_MAP_ON_HEAP:
result = 0;
break;
}
return result;
}
/** \brief Destroy the POSIX shared memory object related to name
*
* First \b os_posix_sharedMemoryDestroy finds the shared object identifier
* related to \b name by calling \b os_posix_getShmObjName. If the identifier is
* found, the shared object is detroyed by calling \b shm_unlink.
* After that the key file related to name is detroyed by calling
* \b os_posix_destroyKeyFile.
*/
os_result
os_posix_sharedMemoryDestroy (
const char *name)
{
char *shmname;
os_result rv = os_resultSuccess;
assert (name != NULL);
shmname = os_posix_getShmObjName (name, NULL, 0);
if (shmname != NULL) {
if (shm_unlink (shmname) == -1) {
OS_REPORT (OS_WARNING, "os_posix_sharedMemoryDestroy", 1,
"shm_unlink failed with error %d (%s)", os_getErrno(), name);
rv = os_resultFail;
}
if (os_posix_destroyKeyFile (name) == -1) {
rv = os_resultFail;
}
os_free (shmname);
}
return rv;
}
