11 SM_RCSID("@(#)$Id: shm.c,v 1.20 2013-11-22 20:51:43 ca Exp $")
19 # include <sm/shm.h>
49 	void *shm = SM_SHM_NULL;  variable
60 	shm = shmat(*shmid, (void *) 0, 0);
61 	if (shm == SM_SHM_NULL)
64 	return shm;
68 	if (shm != SM_SHM_NULL || *shmid >= 0)
69 		sm_shmstop(shm, *shmid, owner);
80 **		shm -- pointer to shared memory.
94 sm_shmstop(shm, shmid, owner)  in sm_shmstop()  argument
95 	void *shm;  in sm_shmstop()
101 	if (shm != SM_SHM_NULL && (r = shmdt(shm)) < 0)