Attachment 150336 Details for Bug 232837 – Testcase (returns OK or abort()s).

Testcase (returns OK or abort()s).

attachstop.c (text/x-csrc), 992 bytes, created by Jan Kratochvil on 2007-03-18 17:33:10 UTC

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Creator: Jan Kratochvil

Created: 2007-03-18 17:33:10 UTC

Size: 992 bytes

patch

obsolete

>#include <unistd.h>
>#include <assert.h>
>#include <stdlib.h>
>#include <signal.h>
>#include <errno.h>
>#include <stdio.h>
>#include <sys/ptrace.h>
>#include <sys/types.h>
>#include <sys/wait.h>
>
>
>static void
>child_f (void)
>{
>  raise (SIGSTOP);
>  abort ();
>  /* NOTREACHED */
>}
>
>static pid_t child_pid;
>
>static void
>handler (int signo)
>{
>  kill (child_pid, SIGKILL);
>  abort ();
>}
>
>int main (void)
>{
>  int i;
>  int status;
>
>  child_pid = fork();
>  switch (child_pid)
>    {
>      case -1:
>        perror ("fork()");
>	exit (1);
>	/* NOTREACHED */
>      case 0:
>        child_f ();
>	/* NOTREACHED */
>      default:;
>	/* PASSTHRU */
>    }
>  /* Parent.  */
>
>  sleep (1);
>
>  signal (SIGALRM, handler);
>  alarm (1);
>
>  i = ptrace (PTRACE_ATTACH, child_pid, NULL, NULL);
>  assert (i == 0);
>  i = waitpid (child_pid, &status, 0);
>  assert (i == child_pid);
>  assert (WIFSTOPPED (status) != 0);
>  assert (WSTOPSIG (status) == SIGSTOP);
>
>  alarm (0);
>  
>  puts ("OK");
>  kill (child_pid, SIGKILL);
>  return 0;
>}

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Attachments on bug 232837: 150336 | 150448 | 150449 | 150476 | 180921