11 shmctl(id, IPC_RMID, NULL);
16 # define SHMAT "osf_shmat"
18 # define SHMAT "shmat"
24 static const int bogus_shmid = 0xfdb97531;
25 static const void * const bogus_shmaddr =
26 (void *) (unsigned long) 0xdec0ded1dec0ded2ULL;
27 static const int bogus_shmflg = 0xffffface;
31 id = shmget(IPC_PRIVATE, 1, 0600);
33 perror_msg_and_skip("shmget");
36 rc = (long) shmat(bogus_shmid, bogus_shmaddr, bogus_shmflg);
37 printf("%s(%d, %p, SHM_REMAP|SHM_RDONLY|SHM_RND|%#x) = %s\n",
38 SHMAT, bogus_shmid, bogus_shmaddr, bogus_shmflg & ~0x7000,
41 shmat(id, NULL, SHM_REMAP);
42 printf("%s(%d, NULL, SHM_REMAP) = -1 %s (%m)\n",
43 SHMAT, id, errno2name());
45 void *shmaddr = shmat(id, NULL, SHM_RDONLY);
46 if (shmaddr == (void *)(-1))
47 perror_msg_and_skip("shmat SHM_RDONLY");
48 printf("%s(%d, NULL, SHM_RDONLY) = %p\n", SHMAT, id, shmaddr);
51 printf("shmdt(NULL) = %s\n", sprintrc(rc));
54 perror_msg_and_skip("shmdt");
55 printf("shmdt(%p) = 0\n", shmaddr);
58 void *shmaddr2 = shmat(id, shmaddr, SHM_RND);
59 if (shmaddr2 == (void *)(-1))
60 printf("%s(%d, %p, SHM_RND) = -1 %s (%m)\n",
61 SHMAT, id, shmaddr, errno2name());
63 printf("%s(%d, %p, SHM_RND) = %p\n",
64 SHMAT, id, shmaddr, shmaddr2);
66 puts("+++ exited with 0 +++");