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e0b6b8037d
On Unix platforms, wait() and friends yield an integer that encodes
how the process exited. Confusingly, this is usually not the same as
the integer passed to exit() or returned from main(): conceptually it's
an integer encoding of this tagged union:
enum { EXITED, SIGNALLED, ... } tag;
union {
int exit_status; /* if EXITED */
struct {
int terminating_signal;
bool core_dumped;
} terminating_signal; /* if SIGNALLED */
...
} detail;
Meanwhile, on Windows, wait statuses and exit statuses are
interchangeable.
I find that it's clearer what is going on if we are consistent about
referring to the result of wait() as a "wait status", and the value
passed to exit() as an "exit status".
GSubprocess already gets this right: g_subprocess_get_status() returns
the wait status, while g_subprocess_get_exit_status() genuinely returns
the exit status. However, the GSpawn family of APIs has tended to
conflate the two.
Confusingly, g_spawn_check_exit_status() has always checked a wait
status, and it would not be correct to pass an exit status to it; so
let's deprecate it in favour of g_spawn_check_wait_status(), which
does the same thing that g_spawn_check_exit_status() always did.
Code that needs backwards-compatibility with older GLib can use:
#if !GLIB_CHECK_VERSION(2, 69, 0)
#define g_spawn_check_wait_status(x) (g_spawn_check_exit_status (x))
#endif
Signed-off-by: Simon McVittie <smcv@collabora.com>
240 lines
8.2 KiB
C
240 lines
8.2 KiB
C
/* GLib testing framework examples and tests
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*
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* Copyright (C) 2008-2010 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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* Author: David Zeuthen <davidz@redhat.com>
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*/
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#include <gio/gio.h>
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#include <unistd.h>
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#include <string.h>
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#include <sys/types.h>
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#include "gdbus-tests.h"
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/* all tests rely on a shared mainloop */
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static GMainLoop *loop = NULL;
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/* ---------------------------------------------------------------------------------------------------- */
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static void
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test_connection_flush_signal_handler (GDBusConnection *connection,
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const gchar *sender_name,
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const gchar *object_path,
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const gchar *interface_name,
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const gchar *signal_name,
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GVariant *parameters,
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gpointer user_data)
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{
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g_main_loop_quit (loop);
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}
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static gboolean
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test_connection_flush_on_timeout (gpointer user_data)
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{
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guint iteration = GPOINTER_TO_UINT (user_data);
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g_printerr ("Timeout waiting 1000 msec on iteration %d\n", iteration);
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g_assert_not_reached ();
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return G_SOURCE_REMOVE;
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}
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static void
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test_connection_flush (void)
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{
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GDBusConnection *connection;
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GError *error;
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guint n;
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guint signal_handler_id;
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const gchar *flush_helper;
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session_bus_up ();
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error = NULL;
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connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
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g_assert_no_error (error);
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g_assert (connection != NULL);
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signal_handler_id = g_dbus_connection_signal_subscribe (connection,
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NULL, /* sender */
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"org.gtk.GDBus.FlushInterface",
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"SomeSignal",
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"/org/gtk/GDBus/FlushObject",
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NULL,
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G_DBUS_SIGNAL_FLAGS_NONE,
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test_connection_flush_signal_handler,
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NULL,
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NULL);
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g_assert_cmpint (signal_handler_id, !=, 0);
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flush_helper = g_test_get_filename (G_TEST_BUILT, "gdbus-connection-flush-helper", NULL);
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for (n = 0; n < 50; n++)
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{
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gboolean ret;
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gint wait_status;
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guint timeout_mainloop_id;
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gchar *flush_helper_stdout = NULL;
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gchar *flush_helper_stderr = NULL;
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error = NULL;
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ret = g_spawn_command_line_sync (flush_helper,
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&flush_helper_stdout,
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&flush_helper_stderr,
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&wait_status,
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&error) &&
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g_spawn_check_wait_status (wait_status, &error);
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if (!ret)
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g_test_message ("Child process ‘%s’ failed. stdout:\n%s\nstderr:\n%s",
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flush_helper, flush_helper_stdout, flush_helper_stderr);
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g_free (flush_helper_stdout);
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g_free (flush_helper_stderr);
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g_assert_no_error (error);
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g_assert_true (ret);
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timeout_mainloop_id = g_timeout_add (1000, test_connection_flush_on_timeout, GUINT_TO_POINTER (n));
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g_main_loop_run (loop);
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g_source_remove (timeout_mainloop_id);
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}
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g_dbus_connection_signal_unsubscribe (connection, signal_handler_id);
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g_object_unref (connection);
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session_bus_down ();
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}
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/* ---------------------------------------------------------------------------------------------------- */
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/* Message size > 20MiB ... should be enough to make sure the message
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* is fragmented when shoved across any transport
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*/
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#define LARGE_MESSAGE_STRING_LENGTH (20*1024*1024)
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/* the test will fail if the service name has not appeared after this amount of seconds */
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#define LARGE_MESSAGE_TIMEOUT_SECONDS 10
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static gboolean
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large_message_timeout_cb (gpointer data)
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{
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(void)data;
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g_error ("Error: timeout waiting for dbus name to appear");
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return G_SOURCE_REMOVE;
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}
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static void
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large_message_on_name_appeared (GDBusConnection *connection,
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const gchar *name,
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const gchar *name_owner,
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gpointer user_data)
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{
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GError *error;
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gchar *request;
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const gchar *reply;
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GVariant *result;
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guint n;
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g_assert (g_source_remove (GPOINTER_TO_UINT (user_data)));
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request = g_new (gchar, LARGE_MESSAGE_STRING_LENGTH + 1);
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for (n = 0; n < LARGE_MESSAGE_STRING_LENGTH; n++)
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request[n] = '0' + (n%10);
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request[n] = '\0';
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error = NULL;
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result = g_dbus_connection_call_sync (connection,
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"com.example.TestService", /* bus name */
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"/com/example/TestObject", /* object path */
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"com.example.Frob", /* interface name */
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"HelloWorld", /* method name */
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g_variant_new ("(s)", request), /* parameters */
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G_VARIANT_TYPE ("(s)"), /* return type */
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G_DBUS_CALL_FLAGS_NONE,
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G_MAXINT,
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NULL,
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&error);
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g_assert_no_error (error);
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g_assert (result != NULL);
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g_variant_get (result, "(&s)", &reply);
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g_assert_cmpint (strlen (reply), >, LARGE_MESSAGE_STRING_LENGTH);
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g_assert (g_str_has_prefix (reply, "You greeted me with '01234567890123456789012"));
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g_assert (g_str_has_suffix (reply, "6789'. Thanks!"));
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g_variant_unref (result);
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g_free (request);
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g_main_loop_quit (loop);
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}
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static void
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large_message_on_name_vanished (GDBusConnection *connection,
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const gchar *name,
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gpointer user_data)
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{
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}
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static void
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test_connection_large_message (void)
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{
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guint watcher_id;
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guint timeout_id;
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session_bus_up ();
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/* this is safe; testserver will exit once the bus goes away */
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g_assert (g_spawn_command_line_async (g_test_get_filename (G_TEST_BUILT, "gdbus-testserver", NULL), NULL));
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timeout_id = g_timeout_add_seconds (LARGE_MESSAGE_TIMEOUT_SECONDS,
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large_message_timeout_cb,
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NULL);
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watcher_id = g_bus_watch_name (G_BUS_TYPE_SESSION,
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"com.example.TestService",
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G_BUS_NAME_WATCHER_FLAGS_NONE,
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large_message_on_name_appeared,
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large_message_on_name_vanished,
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GUINT_TO_POINTER (timeout_id), /* user_data */
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NULL); /* GDestroyNotify */
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g_main_loop_run (loop);
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g_bus_unwatch_name (watcher_id);
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session_bus_down ();
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}
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/* ---------------------------------------------------------------------------------------------------- */
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int
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main (int argc,
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char *argv[])
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{
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gint ret;
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g_test_init (&argc, &argv, NULL);
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/* all the tests rely on a shared main loop */
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loop = g_main_loop_new (NULL, FALSE);
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g_test_dbus_unset ();
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g_test_add_func ("/gdbus/connection/flush", test_connection_flush);
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g_test_add_func ("/gdbus/connection/large_message", test_connection_large_message);
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ret = g_test_run();
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g_main_loop_unref (loop);
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return ret;
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}
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