Attachment 155543 Details for Bug 241357 – a testcase for the new signal behaviour

a testcase for the new signal behaviour

test.c (text/x-csrc), 1.40 KB, created by Tomas Janousek on 2007-05-28 13:55:35 UTC

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Creator: Tomas Janousek

Created: 2007-05-28 13:55:35 UTC

Size: 1.40 KB

patch

obsolete

>/*
> * Compile:
> * cc -Wall -o test test.c -lwrap
> *
> *
> * Usage:
> * echo "test2 : ALL : spawn /bin/sleep 5 : ALLOW" >>/etc/hosts.allow
> * ./test
> *
> *
> * Correct output:
> *
> * [tjanouse@tjanouse tmp]$ ./test
> * Child 13204 started.
> * Checking wrap:
> * Child 13204 terminated.
> * waitpid: No child processes
> * OK.
> *
> * rhbz#112975: It MUST not write "Child %i terminated." for the libwrap
> *              spawn.
> * rhbz#156373: It MUST write "Child %i terminated." for its own process (its
> *              pid is printed on start."
> * Also, the delay between "Checking wrap:" and "OK." MUST be 5 seconds.
> */
>
>#include <stdio.h>
>#include <signal.h>
>#include <sys/types.h>
>#include <sys/wait.h>
>#include <unistd.h>
>#include <errno.h>
>#include <tcpd.h>
>
>void sigchld_handler (int signum)
>{
>    int pid, status, serrno;
>    serrno = errno;
>    while (1)
>    {
>	pid = waitpid (WAIT_ANY, &status, WNOHANG);
>	if (pid < 0)
>	{
>	    perror ("waitpid");
>	    break;
>	}
>	if (pid == 0)
>	    break;
>	printf("Child %i terminated.\n", pid);
>	//notice_termination (pid, status);
>    }
>    errno = serrno;
>}
>
>int main(int argc, char *argv[])
>{
>    signal(SIGCHLD, sigchld_handler);
>
>    pid_t pid = fork();
>    if (pid == 0) {
>	sleep(3);
>	_exit(0);
>    }
>    printf("Child %i started.\n", pid);
>
>    printf("Checking wrap:\n");
>    hosts_ctl("test2", STRING_UNKNOWN, "1.2.3.4", STRING_UNKNOWN);
>    printf("OK.\n");
>
>    sleep(40);
>
>    return 0;
>}

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Attachments on bug 241357: 155543