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glibc/malloc/tst-mallocfork.c
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/* Derived from the test case in | |
http://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> | |
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); | |
malloc (sizeof (int)); | |
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" |