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glibc  2.9
tst-fork4.c
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00001 /* Test of fork updating child universe's pthread structures.
00002    Copyright (C) 2003 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <errno.h>
00021 #include <pthread.h>
00022 #include <stdio.h>
00023 #include <unistd.h>
00024 #include <sys/types.h>
00025 #include <sys/wait.h>
00026 #include <string.h>
00027 
00028 
00029 static int
00030 do_test (void)
00031 {
00032   pthread_t me = pthread_self ();
00033 
00034   pid_t pid = fork ();
00035 
00036   if (pid < 0)
00037     {
00038       printf ("fork: %m\n");
00039       return 1;
00040     }
00041 
00042   if (pid == 0)
00043     {
00044       int err = pthread_kill (me, SIGTERM);
00045       printf ("pthread_kill returned: %s\n", strerror (err));
00046       return 3;
00047     }
00048 
00049   int status;
00050   errno = 0;
00051   if (wait (&status) != pid)
00052     printf ("wait failed: %m\n");
00053   else if (WIFSIGNALED (status) && WTERMSIG (status) == SIGTERM)
00054     {
00055       printf ("child correctly died with SIGTERM\n");
00056       return 0;
00057     }
00058   else
00059     printf ("child died with bad status %#x\n", status);
00060 
00061   return 1;
00062 }
00063 
00064 #define TEST_FUNCTION do_test ()
00065 #include "../test-skeleton.c"