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/*
* 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.h>
#include <string.h>
static char *echo_prog_path;
typedef struct {
GMainLoop *loop;
gboolean child_exited;
gboolean stdout_done;
GString *stdout_buf;
} SpawnAsyncMultithreadedData;
static gboolean
on_child_exited (GPid pid,
gint status,
gpointer datap)
{
SpawnAsyncMultithreadedData *data = datap;
data->child_exited = TRUE;
if (data->child_exited && data->stdout_done)
g_main_loop_quit (data->loop);
return FALSE;
}
static gboolean
on_child_stdout (GIOChannel *channel,
GIOCondition condition,
gpointer datap)
{
char buf[1024];
GError *error = NULL;
gsize bytes_read;
SpawnAsyncMultithreadedData *data = datap;
if (condition & G_IO_IN)
{
GIOStatus status;
status = g_io_channel_read_chars (channel, buf, sizeof (buf), &bytes_read, &error);
g_assert_no_error (error);
g_string_append_len (data->stdout_buf, buf, (gssize) bytes_read);
if (status == G_IO_STATUS_EOF)
data->stdout_done = TRUE;
}
if (condition & G_IO_HUP)
data->stdout_done = TRUE;
if (condition & G_IO_ERR)
g_error ("Error reading from child stdin");
if (data->child_exited && data->stdout_done)
g_main_loop_quit (data->loop);
return !data->stdout_done;
}
static void
test_spawn_async (void)
{
int tnum = 1;
GError *error = NULL;
GPtrArray *argv;
char *arg;
GPid pid;
GMainContext *context;
GMainLoop *loop;
GIOChannel *channel;
GSource *source;
int child_stdout_fd;
SpawnAsyncMultithreadedData data;
context = g_main_context_new ();
loop = g_main_loop_new (context, TRUE);
arg = g_strdup_printf ("thread %d", tnum);
argv = g_ptr_array_new ();
g_ptr_array_add (argv, echo_prog_path);
g_ptr_array_add (argv, arg);
g_ptr_array_add (argv, NULL);
g_spawn_async_with_pipes (NULL, (char**)argv->pdata, NULL, G_SPAWN_DO_NOT_REAP_CHILD, NULL, NULL, &pid, NULL,
&child_stdout_fd, NULL, &error);
g_assert_no_error (error);
g_ptr_array_free (argv, TRUE);
data.loop = loop;
data.stdout_done = FALSE;
data.child_exited = FALSE;
data.stdout_buf = g_string_new (0);
source = g_child_watch_source_new (pid);
g_source_set_callback (source, (GSourceFunc)on_child_exited, &data, NULL);
g_source_attach (source, context);
g_source_unref (source);
channel = g_io_channel_unix_new (child_stdout_fd);
source = g_io_create_watch (channel, G_IO_IN | G_IO_HUP | G_IO_ERR);
g_source_set_callback (source, (GSourceFunc)on_child_stdout, &data, NULL);
g_source_attach (source, context);
g_source_unref (source);
g_main_loop_run (loop);
g_assert (data.child_exited);
g_assert (data.stdout_done);
g_assert_cmpstr (data.stdout_buf->str, ==, arg);
g_string_free (data.stdout_buf, TRUE);
g_io_channel_unref (channel);
g_main_context_unref (context);
g_main_loop_unref (loop);
g_free (arg);
}
static void
test_spawn_sync (void)
{
int tnum = 1;
GError *error = NULL;
GPtrArray *argv;
char *arg;
char *stdout_str;
int estatus;
arg = g_strdup_printf ("thread %d", tnum);
argv = g_ptr_array_new ();
g_ptr_array_add (argv, echo_prog_path);
g_ptr_array_add (argv, arg);
g_ptr_array_add (argv, NULL);
g_spawn_sync (NULL, (char**)argv->pdata, NULL, 0, NULL, NULL, &stdout_str, NULL, &estatus, &error);
g_assert_no_error (error);
g_assert_cmpstr (arg, ==, stdout_str);
g_free (arg);
g_free (stdout_str);
g_ptr_array_free (argv, TRUE);
}
int
main (int argc,
char *argv[])
{
char *dirname;
g_test_init (&argc, &argv, NULL);
dirname = g_path_get_dirname (argv[0]);
echo_prog_path = g_build_filename (dirname, "test-spawn-echo", NULL);
if (!g_file_test (echo_prog_path, G_FILE_TEST_EXISTS))
{
g_free (echo_prog_path);
echo_prog_path = g_build_filename (dirname, "lt-test-spawn-echo", NULL);
}
g_free (dirname);
g_assert (g_file_test (echo_prog_path, G_FILE_TEST_EXISTS));
g_test_add_func ("/gthread/spawn-single-sync", test_spawn_sync);
g_test_add_func ("/gthread/spawn-single-async", test_spawn_async);
return g_test_run();
}
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