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/* Derived from the test case in
https://sourceware.org/bugzilla/show_bug.cgi?id=838. */
#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <libc-diag.h>
static void
sig_handler (int signum)
{
pid_t child = fork ();
if (child == 0)
exit (0);
TEMP_FAILURE_RETRY (waitpid (child, NULL, 0));
}
static int
do_test (void)
{
pid_t parent = getpid ();
struct sigaction action = { .sa_handler = sig_handler };
sigemptyset (&action.sa_mask);
DIAG_PUSH_NEEDS_COMMENT;
DIAG_IGNORE_NEEDS_COMMENT (10, "-Wunused-result");
/* The result of malloc is deliberately ignored, so do not warn
about that. */
malloc (sizeof (int));
DIAG_POP_NEEDS_COMMENT;
if (sigaction (SIGALRM, &action, NULL) != 0)
{
puts ("sigaction failed");
return 1;
}
/* Create a child that sends the signal to be caught. */
pid_t child = fork ();
if (child == 0)
{
if (kill (parent, SIGALRM) == -1)
perror ("kill");
exit (0);
}
TEMP_FAILURE_RETRY (waitpid (child, NULL, 0));
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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