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Diffstat (limited to 'test/nptl/tst-exec4.c')
| -rw-r--r-- | test/nptl/tst-exec4.c | 116 | 
1 files changed, 116 insertions, 0 deletions
| diff --git a/test/nptl/tst-exec4.c b/test/nptl/tst-exec4.c new file mode 100644 index 000000000..b3920a030 --- /dev/null +++ b/test/nptl/tst-exec4.c @@ -0,0 +1,116 @@ +/* Signal handler and mask set in thread which calls exec. +   Copyright (C) 2003 Free Software Foundation, Inc. +   This file is part of the GNU C Library. +   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. + +   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 <pthread.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + + +static void * +tf (void *arg) +{ +  /* Ignore SIGUSR1 and block SIGUSR2.  */ +  if (sigignore (SIGUSR1) != 0) +    { +      puts ("sigignore failed"); +      exit (1); +    } + +  sigset_t ss; +  sigemptyset (&ss); +  sigaddset (&ss, SIGUSR2); +  if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0) +    { +      puts ("1st run: sigmask failed"); +      exit (1); +    } + +  char **oldargv = (char **) arg; +  size_t n = 1; +  while (oldargv[n] != NULL) +    ++n; + +  char **argv = (char **) alloca ((n + 1) * sizeof (char *)); +  for (n = 0; oldargv[n + 1] != NULL; ++n) +    argv[n] = oldargv[n + 1]; +  argv[n++] = (char *) "--direct"; +  argv[n] = NULL; + +  execv (argv[0], argv); + +  puts ("execv failed"); + +  exit (1); +} + + +static int +do_test (int argc, char *argv[]) +{ +  if (argc == 1) +    { +      /* This is the second call.  Perform the test.  */ +      struct sigaction sa; + +      if (sigaction (SIGUSR1, NULL, &sa) != 0) +	{ +	  puts ("2nd run: sigaction failed"); +	  return 1; +	} +      if (sa.sa_handler != SIG_IGN) +	{ +	  puts ("SIGUSR1 not ignored"); +	  return 1; +	} + +      sigset_t ss; +      if (pthread_sigmask (SIG_SETMASK, NULL, &ss) != 0) +	{ +	  puts ("2nd run: sigmask failed"); +	  return 1; +	} +      if (! sigismember (&ss, SIGUSR2)) +	{ +	  puts ("SIGUSR2 not blocked"); +	  return 1; +	} + +      return 0; +    } + +  pthread_t th; +  if (pthread_create (&th, NULL, tf, argv) != 0) +    { +      puts ("create failed"); +      exit (1); +    } + +  /* This call should never return.  */ +  pthread_join (th, NULL); + +  puts ("join returned"); + +  return 1; +} + +#define TEST_FUNCTION do_test (argc, argv) +#include "../test-skeleton.c" | 
