gdb/testsuite/gdb.mi/pthreads.c

   1 #include <stdio.h>
   2
   3 #include "config.h"
   4
   5 #ifndef HAVE_PTHREAD_H
   6
   7 /* Don't even try to compile.  In fact, cause a syntax error that we can
   8    look for as a compiler error message and know that we have no pthread
   9    support.  In that case we can just suppress the test completely. */
  10
  11 #error "no posix threads support"
  12
  13 #else
  14
  15 /* OK.  We have the right header.  If we try to compile this and fail, then
  16    there is something wrong and the user should know about it so the testsuite
  17    should issue an ERROR result.. */
  18
  19 #ifdef __linux__
  20 #define  _MIT_POSIX_THREADS 1   /* GNU/Linux (or at least RedHat 4.0)
  21                                    needs this */
  22 #endif
  23
  24 #include <pthread.h>
  25
  26 /* Under OSF 2.0 & 3.0 and HPUX 10, the second arg of pthread_create
  27    is prototyped to be just a "pthread_attr_t", while under Solaris it
  28    is a "pthread_attr_t *".  Arg! */
  29
  30 #if defined (__osf__) || defined (__hpux__)
  31 #define PTHREAD_CREATE_ARG2(arg) arg
  32 #define PTHREAD_CREATE_NULL_ARG2 null_attr
  33 static pthread_attr_t null_attr;
  34 #else
  35 #define PTHREAD_CREATE_ARG2(arg) &arg
  36 #define PTHREAD_CREATE_NULL_ARG2 NULL
  37 #endif
  38
  39 void *
  40 routine (void *arg)
  41 {
  42   sleep (9);
  43   printf ("hello thread\n");
  44 }
  45
  46 /* Marker function for the testsuite */
  47 void
  48 done_making_threads (void)
  49 {
  50   /* Nothing */
  51 };
  52
  53 void
  54 create_thread (void)
  55 {
  56   pthread_t tid;
  57
  58   if (pthread_create (&tid, PTHREAD_CREATE_NULL_ARG2, routine, (void *) 0xfeedface))
  59     {
  60       perror ("pthread_create 1");
  61       exit (1);
  62     }
  63 }
  64
  65 int
  66 main (int argc, char *argv[])
  67 {
  68   int i;
  69
  70   /* Create a few threads */
  71   for (i = 0; i < 5; i++)
  72     create_thread ();
  73   done_making_threads ();
  74
  75   printf ("hello\n");
  76   printf ("hello\n");
  77   return 0;
  78 }
  79
  80 #endif /* ifndef HAVE_PTHREAD_H */