blob: 9d55a6c58ee6c06e5f5cf8a45af7e2447de5abda [file] [log] [blame]
/*
* Copyright (C) 2011 Red Hat, Inc.
*
* This work is provided "as is"; redistribution and modification
* in whole or in part, in any medium, physical or electronic is
* permitted without restriction.
*
* This work is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* In no event shall the authors or contributors be liable for any
* direct, indirect, incidental, special, exemplary, or consequential
* damages (including, but not limited to, procurement of substitute
* goods or services; loss of use, data, or profits; or business
* interruption) however caused and on any theory of liability, whether
* in contract, strict liability, or tort (including negligence or
* otherwise) arising in any way out of the use of this software, even
* if advised of the possibility of such damage.
*
* Author: Colin Walters <walters@verbum.org>
*/
#include "config.h"
#include "glib-unix.h"
#include <string.h>
static void
test_pipe (void)
{
GError *error = NULL;
int pipefd[2];
char buf[1024];
gssize bytes_read;
gboolean res;
res = g_unix_open_pipe (pipefd, FD_CLOEXEC, &error);
g_assert (res);
g_assert_no_error (error);
write (pipefd[1], "hello", sizeof ("hello"));
memset (buf, 0, sizeof (buf));
bytes_read = read (pipefd[0], buf, sizeof(buf) - 1);
g_assert_cmpint (bytes_read, >, 0);
buf[bytes_read] = '\0';
close (pipefd[0]);
close (pipefd[1]);
g_assert (g_str_has_prefix (buf, "hello"));
}
static void
test_error (void)
{
GError *error = NULL;
gboolean res;
res = g_unix_set_fd_nonblocking (123456, TRUE, &error);
g_assert_cmpint (errno, ==, EBADF);
g_assert (!res);
g_assert_error (error, G_UNIX_ERROR, 0);
g_clear_error (&error);
}
static void
test_nonblocking (void)
{
GError *error = NULL;
int pipefd[2];
gboolean res;
int flags;
res = g_unix_open_pipe (pipefd, FD_CLOEXEC, &error);
g_assert (res);
g_assert_no_error (error);
res = g_unix_set_fd_nonblocking (pipefd[0], TRUE, &error);
g_assert (res);
g_assert_no_error (error);
flags = fcntl (pipefd[0], F_GETFL);
g_assert_cmpint (flags, !=, -1);
g_assert (flags & O_NONBLOCK);
res = g_unix_set_fd_nonblocking (pipefd[0], FALSE, &error);
g_assert (res);
g_assert_no_error (error);
flags = fcntl (pipefd[0], F_GETFL);
g_assert_cmpint (flags, !=, -1);
g_assert (!(flags & O_NONBLOCK));
close (pipefd[0]);
close (pipefd[1]);
}
static gboolean sig_received = FALSE;
static gboolean sig_timeout = FALSE;
static int sig_counter = 0;
static gboolean
on_sig_received (gpointer user_data)
{
GMainLoop *loop = user_data;
g_main_loop_quit (loop);
sig_received = TRUE;
sig_counter ++;
return G_SOURCE_REMOVE;
}
static gboolean
on_sig_timeout (gpointer data)
{
GMainLoop *loop = data;
g_main_loop_quit (loop);
sig_timeout = TRUE;
return G_SOURCE_REMOVE;
}
static gboolean
exit_mainloop (gpointer data)
{
GMainLoop *loop = data;
g_main_loop_quit (loop);
return G_SOURCE_REMOVE;
}
static gboolean
on_sig_received_2 (gpointer data)
{
GMainLoop *loop = data;
sig_counter ++;
if (sig_counter == 2)
g_main_loop_quit (loop);
return G_SOURCE_REMOVE;
}
static void
test_signal (int signum)
{
GMainLoop *mainloop;
int id;
mainloop = g_main_loop_new (NULL, FALSE);
sig_received = FALSE;
sig_counter = 0;
g_unix_signal_add (signum, on_sig_received, mainloop);
kill (getpid (), signum);
g_assert (!sig_received);
id = g_timeout_add (5000, on_sig_timeout, mainloop);
g_main_loop_run (mainloop);
g_assert (sig_received);
sig_received = FALSE;
g_source_remove (id);
/* Ensure we don't get double delivery */
g_timeout_add (500, exit_mainloop, mainloop);
g_main_loop_run (mainloop);
g_assert (!sig_received);
/* Ensure that two sources for the same signal get it */
sig_counter = 0;
g_unix_signal_add (signum, on_sig_received_2, mainloop);
g_unix_signal_add (signum, on_sig_received_2, mainloop);
id = g_timeout_add (5000, on_sig_timeout, mainloop);
kill (getpid (), signum);
g_main_loop_run (mainloop);
g_assert_cmpint (sig_counter, ==, 2);
g_source_remove (id);
g_main_loop_unref (mainloop);
}
static void
test_sighup (void)
{
test_signal (SIGHUP);
}
static void
test_sigterm (void)
{
test_signal (SIGTERM);
}
static void
test_sighup_add_remove (void)
{
guint id;
struct sigaction action;
sig_received = FALSE;
id = g_unix_signal_add (SIGHUP, on_sig_received, NULL);
g_source_remove (id);
sigaction (SIGHUP, NULL, &action);
g_assert (action.sa_handler == SIG_DFL);
}
static gboolean
nested_idle (gpointer data)
{
GMainLoop *nested;
GMainContext *context;
GSource *source;
context = g_main_context_new ();
nested = g_main_loop_new (context, FALSE);
source = g_unix_signal_source_new (SIGHUP);
g_source_set_callback (source, on_sig_received, nested, NULL);
g_source_attach (source, context);
g_source_unref (source);
kill (getpid (), SIGHUP);
g_main_loop_run (nested);
g_assert_cmpint (sig_counter, ==, 1);
g_main_loop_unref (nested);
g_main_context_unref (context);
return G_SOURCE_REMOVE;
}
static void
test_sighup_nested (void)
{
GMainLoop *mainloop;
mainloop = g_main_loop_new (NULL, FALSE);
sig_counter = 0;
sig_received = FALSE;
g_unix_signal_add (SIGHUP, on_sig_received, mainloop);
g_idle_add (nested_idle, mainloop);
g_main_loop_run (mainloop);
g_assert_cmpint (sig_counter, ==, 2);
g_main_loop_unref (mainloop);
}
int
main (int argc,
char *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/glib-unix/pipe", test_pipe);
g_test_add_func ("/glib-unix/error", test_error);
g_test_add_func ("/glib-unix/nonblocking", test_nonblocking);
g_test_add_func ("/glib-unix/sighup", test_sighup);
g_test_add_func ("/glib-unix/sigterm", test_sigterm);
g_test_add_func ("/glib-unix/sighup_again", test_sighup);
g_test_add_func ("/glib-unix/sighup_add_remove", test_sighup_add_remove);
g_test_add_func ("/glib-unix/sighup_nested", test_sighup_nested);
return g_test_run();
}