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c36865b1ec
2004-02-26 Sebastian Wilhelmi <seppi@seppi.de> * tests/child-test.c (main): Only run, if threads are enabled.
106 lines
2.6 KiB
C
106 lines
2.6 KiB
C
/* GLIB - Library of useful routines for C programming
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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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 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 Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GLib Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GLib Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GLib at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include "config.h"
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <glib.h>
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GMainLoop *main_loop;
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gint alive;
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gint
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get_a_child (gint ttl)
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{
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GPid pid;
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pid = fork ();
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if (pid < 0)
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exit (1);
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if (pid > 0)
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return pid;
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sleep (ttl);
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_exit (0);
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}
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gboolean
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child_watch_callback (GPid pid, gint status, gpointer data)
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{
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g_print ("child %d exited, status %d\n", pid, status);
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if (--alive == 0)
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g_main_loop_quit (main_loop);
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return TRUE;
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}
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static gpointer
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test_thread (gpointer data)
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{
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GMainLoop *new_main_loop;
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GSource *source;
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GPid pid;
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gint ttl = GPOINTER_TO_INT (data);
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new_main_loop = g_main_loop_new (NULL, FALSE);
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pid = get_a_child (ttl);
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source = g_child_watch_source_new (pid);
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g_source_set_callback (source, (GSourceFunc) child_watch_callback, NULL, NULL);
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g_source_attach (source, g_main_loop_get_context (new_main_loop));
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g_source_unref (source);
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g_print ("whee! created pid: %d\n", pid);
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g_main_loop_run (new_main_loop);
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}
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int
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main (int argc, char *argv[])
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{
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/* Only run the test, if threads are enabled and a default thread
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implementation is available */
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#if defined(G_THREADS_ENABLED) && ! defined(G_THREADS_IMPL_NONE)
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g_thread_init (NULL);
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main_loop = g_main_loop_new (NULL, FALSE);
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system ("/bin/true");
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alive = 2;
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g_thread_create (test_thread, GINT_TO_POINTER (10), FALSE, NULL);
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g_thread_create (test_thread, GINT_TO_POINTER (20), FALSE, NULL);
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g_main_loop_run (main_loop);
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#endif
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return 0;
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}
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