1 /* Pthreads test program.
2    Copyright 1996, 2002, 2003, 2004
3    Free Software Foundation, Inc.
4 
5    Written by Keith Seitz of Red Hat.
6    Copied from gdb.threads/pthreads.c.
7    Contributed by Red Hat.
8 
9    This file is part of GDB.
10 
11    This program is free software; you can redistribute it and/or modify
12    it under the terms of the GNU General Public License as published by
13    the Free Software Foundation; either version 2 of the License, or
14    (at your option) any later version.
15 
16    This program is distributed in the hope that it will be useful,
17    but WITHOUT ANY WARRANTY; without even the implied warranty of
18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19    GNU General Public License for more details.
20 
21    You should have received a copy of the GNU General Public License
22    along with this program; if not, write to the Free Software
23    Foundation, Inc., 59 Temple Place - Suite 330,
24    Boston, MA 02111-1307, USA.  */
25 
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include <pthread.h>
29 
30 /* Under OSF 2.0 & 3.0 and HPUX 10, the second arg of pthread_create
31    is prototyped to be just a "pthread_attr_t", while under Solaris it
32    is a "pthread_attr_t *".  Arg! */
33 
34 #if defined (__osf__) || defined (__hpux__)
35 #define PTHREAD_CREATE_ARG2(arg) arg
36 #define PTHREAD_CREATE_NULL_ARG2 null_attr
37 static pthread_attr_t null_attr;
38 #else
39 #define PTHREAD_CREATE_ARG2(arg) &arg
40 #define PTHREAD_CREATE_NULL_ARG2 NULL
41 #endif
42 
43 void *
44 routine (void *arg)
45 {
46   /* When gdb is running, it sets hidden breakpoints in the thread
47      library.  The signals caused by these hidden breakpoints can
48      cause system calls such as 'sleep' to return early.  Pay attention
49      to the return value from 'sleep' to get the full sleep.  */
50   int unslept = 9;
51   while (unslept > 0)
52     unslept = sleep (unslept);
53 
54   printf ("hello thread\n");
55 }
56 
57 /* Marker function for the testsuite */
58 void
59 done_making_threads (void)
60 {
61   /* Nothing */
62 }
63 
64 void
65 create_thread (void)
66 {
67   pthread_t tid;
68 
69   if (pthread_create (&tid, PTHREAD_CREATE_NULL_ARG2, routine, (void *) 0xfeedface))
70     {
71       perror ("pthread_create 1");
72       exit (1);
73     }
74 }
75 
76 int
77 main (int argc, char *argv[])
78 {
79   int i;
80 
81   /* Create a few threads */
82   for (i = 0; i < 5; i++)
83     create_thread ();
84   done_making_threads ();
85 
86   printf ("hello\n");
87   printf ("hello\n");
88   return 0;
89 }
90 
91