diff options
Diffstat (limited to 'test/nptl/tst-atfork1.c')
| -rw-r--r-- | test/nptl/tst-atfork1.c | 121 | 
1 files changed, 121 insertions, 0 deletions
| diff --git a/test/nptl/tst-atfork1.c b/test/nptl/tst-atfork1.c new file mode 100644 index 000000000..b42ab4246 --- /dev/null +++ b/test/nptl/tst-atfork1.c @@ -0,0 +1,121 @@ +/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. +   This file is part of the GNU C Library. +   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. + +   The GNU C Library is free software; you can redistribute it and/or +   modify it under the terms of the GNU Lesser General Public +   License as published by the Free Software Foundation; either +   version 2.1 of the License, or (at your option) any later version. + +   The GNU C Library is distributed in the hope that it will be useful, +   but WITHOUT ANY WARRANTY; without even the implied warranty of +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU +   Lesser General Public License for more details. + +   You should have received a copy of the GNU Lesser General Public +   License along with the GNU C Library; if not, write to the Free +   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +   02111-1307 USA.  */ + +#include <errno.h> +#include <pthread.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <sys/wait.h> + + +static int val; + + +static void +prepare1 (void) +{ +  val *= 2; +} + +static void +prepare2 (void) +{ +  ++val; +} + +static void +parent1 (void) +{ +  val += 4; +} + +static void +parent2 (void) +{ +  val *= 4; +} + +static void +child1 (void) +{ +  val += 8; +} + +static void +child2 (void) +{ +  val *= 8; +} + + +static int +do_test (void) +{ +  pid_t pid; +  int status = 0; + +  if (pthread_atfork (prepare1, parent1, child1) != 0) +    { +      puts ("1st atfork failed"); +      exit (1); +    } +  if (pthread_atfork (prepare2, parent2, child2) != 0) +    { +      puts ("2nd atfork failed"); +      exit (1); +    } + +  pid = fork (); +  if (pid == -1) +    { +      puts ("fork failed"); +      exit (1); +    } + +  if (pid != 0) +    { +      /* Parent.  */ +      if (val != 24) +	{ +	  printf ("expected val=%d, got %d\n", 24, val); +	  exit (1); +	} + +      if (TEMP_FAILURE_RETRY (waitpid (pid, &status, 0)) != pid) +	{ +	  puts ("waitpid failed"); +	  exit (1); +	} +    } +  else +    { +      /* Child.  */ +      if (val != 80) +	{ +	  printf ("expected val=%d, got %d\n", 80, val); +	  exit (2); +	} +    } + +  return status; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" | 
