test_fork2.c

#include "test/jemalloc_test.h"
#include <sys/wait.h>
#include <unistd.h>
#include <pthread.h>


void* alloc_thread(void) {
    int i;
    void *p;
    p = malloc(4098);
}

TEST_BEGIN(test_fork2)
{
    pthread_t thread1;
    pthread_create( &thread1, NULL, &alloc_thread, NULL);
    while(1) {
        void *p,*pc;
        pid_t pid;
        int loop;

        usleep(1);
        pid = fork();

        if (pid == -1) {
            /* Error. */
            test_fail("Unexpected fork() failure");
        } else if (pid == 0) {
            /* Child. */
            pc = malloc(1027);
            _exit(0);
        } else {
            int status;
            malloc_write("fork()\n");
            /* Parent. */
            while (true) {
                if (waitpid(pid, &status, 0) == -1)
                    test_fail("Unexpected waitpid() failure");
                if (WIFSIGNALED(status)) {
                    test_fail("Unexpected child termination due to "
                              "signal %d", WTERMSIG(status));
                    break;
                }
                if (WIFEXITED(status)) {
                    if (WEXITSTATUS(status) != 0) {
                        test_fail(
                            "Unexpected child exit value %d",
                            WEXITSTATUS(status));
                    }
                    break;
                }
            }
        }
    }
}
TEST_END

int
main(void)
{

	return (test(
	    test_fork2));
}