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