sortix-mirror/regress/test-unix-socket-shutdown.c
Jonas 'Sortie' Termansen d50b85591d Refactor testcase API.
2017-12-04 23:56:47 +01:00

106 lines
2.8 KiB
C

/*
* Copyright (c) 2017 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* test-unix-socket-shutdown.c
* Tests whether unix sockets shut down correctly.
*/
#include <sys/socket.h>
#include <sys/wait.h>
#include <signal.h>
#include <stdbool.h>
#include <unistd.h>
#include "test.h"
static void test(bool test_read,
bool parent_shutdown,
bool child_shutdown,
bool sigpipe)
{
int fds[2];
test_assert(socketpair(AF_UNIX, SOCK_STREAM, 0, fds) == 0);
pid_t child_pid;
test_assert(0 <= (child_pid = fork()));
if ( child_pid == 0 )
{
if ( !test_read && !sigpipe )
signal(SIGPIPE, SIG_IGN);
if ( child_shutdown )
{
if ( test_read )
test_assert(shutdown(fds[0], SHUT_RD) == 0);
else
test_assert(shutdown(fds[0], SHUT_WR) == 0);
}
close(fds[1]);
char c;
if ( test_read )
{
ssize_t amount;
test_assert(0 <= (amount = read(fds[0], &c, 1)));
test_assertx(amount == 0);
_exit(0);
}
else
{
while ( true )
{
c = 'X';
ssize_t amount = write(fds[0], &c, 1);
if ( !sigpipe && amount == -1 && errno == EPIPE )
_exit(0);
test_assert(0 <= amount);
test_assertx(amount == 1);
}
}
}
close(fds[0]);
if ( parent_shutdown )
{
if ( test_read )
test_assert(shutdown(fds[1], SHUT_WR) == 0);
else
test_assert(shutdown(fds[1], SHUT_RD) == 0);
}
else if ( !parent_shutdown && !child_shutdown )
close(fds[1]);
int status;
test_assert(waitpid(child_pid, &status, 0) == child_pid);
if ( test_read || !sigpipe )
test_assertx(WIFEXITED(status) && WEXITSTATUS(status) == 0);
else
test_assertx(WIFSIGNALED(status) && WTERMSIG(status) == SIGPIPE);
if ( parent_shutdown || child_shutdown )
close(fds[1]);
}
int main(void)
{
test(false, false, false, false);
test(true, false, false, false);
test(true, false, false, true);
test(false, true, false, false);
test(true, true, false, false);
test(true, true, false, true);
test(false, false, true, false);
test(true, false, true, false);
test(true, false, true, true);
test(false, true, true, false);
test(true, true, true, false);
test(true, true, true, true);
return 0;
}