gcc/testsuite/gcc.c-torture/execute/20010724-1.c

   1 /* Verify that the workarounds in config/mips/irix6-libc-compat.c are still
   2    needed.  */
   3
   4 /* IRIX 6, unlike other Unix systems, defines union semun in <sys/sem.h>.
   5    Inhibit this definition to be able to run this test on other platforms.  */
   6 #define _XOPEN_SOURCE
   7
   8 #include <sys/types.h>
   9 #include <netinet/in.h>
  10 #include <arpa/inet.h>
  11 #include <sys/ipc.h>
  12 #include <sys/sem.h>
  13
  14 union semun {
  15   int val;
  16   struct semid_ds *buf;
  17   ushort_t *array;
  18 };
  19
  20 int
  21 main (void)
  22 {
  23   struct in_addr ia;
  24   int semid;
  25   union semun su;
  26
  27   ia.s_addr = INADDR_BROADCAST;
  28
  29   if (strcmp (inet_ntoa (ia), "255.255.255.255") != 0)
  30     abort ();
  31
  32   ia.s_addr = INADDR_LOOPBACK;
  33
  34   if (inet_lnaof (ia) != 1)
  35     abort ();
  36
  37   if (inet_netof (ia) != IN_LOOPBACKNET)
  38     abort ();
  39
  40   ia = inet_makeaddr (IN_LOOPBACKNET, 1);
  41   if (ia.s_addr != INADDR_LOOPBACK)
  42     abort ();
  43
  44   if ((semid = semget (IPC_PRIVATE, 1, IPC_CREAT | IPC_EXCL | SEM_R | SEM_A)) < 0)
  45     abort ();
  46
  47   su.val = 10;
  48
  49   if (semctl (semid, 0, SETVAL, su) != 0)
  50     abort ();
  51
  52   if (semctl (semid, 0, GETVAL) != 10)
  53     abort ();
  54
  55   if (semctl (semid, 0, IPC_RMID) != 0)
  56     abort ();
  57
  58   return 0;
  59 }