| /* |
| * 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; |
| |
| static void |
| multithreaded_test_run (GThreadFunc function) |
| { |
| int i; |
| GPtrArray *threads = g_ptr_array_new (); |
| guint n_threads; |
| |
| /* Limit to 64, otherwise we may hit file descriptor limits and such */ |
| n_threads = MIN (g_get_num_processors () * 2, 64); |
| |
| for (i = 0; i < n_threads; i++) |
| { |
| GThread *thread; |
| |
| thread = g_thread_new ("test", function, GINT_TO_POINTER (i)); |
| g_ptr_array_add (threads, thread); |
| } |
| |
| for (i = 0; i < n_threads; i++) |
| { |
| gpointer ret; |
| ret = g_thread_join (g_ptr_array_index (threads, i)); |
| g_assert_cmpint (GPOINTER_TO_INT (ret), ==, i); |
| } |
| g_ptr_array_free (threads, TRUE); |
| } |
| |
| static gpointer |
| test_spawn_sync_multithreaded_instance (gpointer data) |
| { |
| int tnum = GPOINTER_TO_INT (data); |
| 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, G_SPAWN_DEFAULT, 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); |
| |
| return GINT_TO_POINTER (tnum); |
| } |
| |
| static void |
| test_spawn_sync_multithreaded (void) |
| { |
| multithreaded_test_run (test_spawn_sync_multithreaded_instance); |
| } |
| |
| 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 G_SOURCE_REMOVE; |
| } |
| |
| static gboolean |
| on_child_stdout (GIOChannel *channel, |
| GIOCondition condition, |
| gpointer datap) |
| { |
| char buf[1024]; |
| GError *error = NULL; |
| gsize bytes_read; |
| GIOStatus status; |
| SpawnAsyncMultithreadedData *data = datap; |
| |
| read: |
| status = g_io_channel_read_chars (channel, buf, sizeof (buf), &bytes_read, &error); |
| if (status == G_IO_STATUS_NORMAL) |
| { |
| g_string_append_len (data->stdout_buf, buf, (gssize) bytes_read); |
| if (bytes_read == sizeof (buf)) |
| goto read; |
| } |
| else if (status == G_IO_STATUS_EOF) |
| { |
| g_string_append_len (data->stdout_buf, buf, (gssize) bytes_read); |
| data->stdout_done = TRUE; |
| } |
| else if (status == G_IO_STATUS_ERROR) |
| { |
| g_error ("Error reading from child stdin: %s", error->message); |
| } |
| |
| if (data->child_exited && data->stdout_done) |
| g_main_loop_quit (data->loop); |
| |
| return !data->stdout_done; |
| } |
| |
| static gpointer |
| test_spawn_async_multithreaded_instance (gpointer thread_data) |
| { |
| int tnum = GPOINTER_TO_INT (thread_data); |
| 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_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); |
| |
| return GINT_TO_POINTER (tnum); |
| } |
| |
| static void |
| test_spawn_async_multithreaded (void) |
| { |
| multithreaded_test_run (test_spawn_async_multithreaded_instance); |
| } |
| |
| int |
| main (int argc, |
| char *argv[]) |
| { |
| char *dirname; |
| int ret; |
| |
| g_test_init (&argc, &argv, NULL); |
| |
| dirname = g_path_get_dirname (argv[0]); |
| echo_prog_path = g_build_filename (dirname, "test-spawn-echo" EXEEXT, 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" EXEEXT, NULL); |
| } |
| g_free (dirname); |
| |
| g_assert (g_file_test (echo_prog_path, G_FILE_TEST_EXISTS)); |
| |
| g_test_add_func ("/gthread/spawn-sync", test_spawn_sync_multithreaded); |
| g_test_add_func ("/gthread/spawn-async", test_spawn_async_multithreaded); |
| |
| ret = g_test_run(); |
| |
| g_free (echo_prog_path); |
| |
| return ret; |
| } |