remove shm

source/os/src/osShm.c

@@ -33,11 +33,13 @@ static void taosDeleteCreatedShms() {
 int32_t taosCreateShm(SShm* pShm, int32_t key, int32_t shmsize) {
   pShm->id = -1;
 
+#if 1
   key_t   __shkey = IPC_PRIVATE;
   int32_t __shmflag = IPC_CREAT | IPC_EXCL | 0600;
-
-  // key_t   __shkey = 0X95270000 + key;
-  // int32_t __shmflag = IPC_CREAT | 0600;
+#else
+  key_t   __shkey = 0X95270000 + key;
+  int32_t __shmflag = IPC_CREAT | 0600;
+#endif
 
   int32_t shmid = shmget(__shkey, shmsize, __shmflag);
   if (shmid < 0) {
@@ -53,10 +55,14 @@ int32_t taosCreateShm(SShm* pShm, int32_t key, int32_t shmsize) {
   pShm->size = shmsize;
   pShm->ptr = shmptr;
 
+#if 0
   if (key >= 0 && key < MAX_SHMIDS) {
     shmids[key] = pShm->id + 1;
   }
   atexit(taosDeleteCreatedShms);
+#else
+  shmctl(pShm->id, IPC_RMID, NULL);
+#endif
 
   return 0;
 }