static gboolean stop = FALSE;
+static gint parent_pid;
+
#ifndef G_OS_WIN32
static void
return map;
}
-
+
+static gboolean
+signal_parent (gpointer data)
+{
+#ifndef G_OS_WIN32
+ kill (parent_pid, SIGUSR1);
+#endif
+ return G_SOURCE_REMOVE;
+}
+
static int
child_main (int argc, char *argv[])
{
GMappedFile *map;
GMainLoop *loop;
+ parent_pid = atoi (argv[2]);
map = map_or_die (filename, FALSE);
-
- loop = g_main_loop_new (NULL, FALSE);
#ifndef G_OS_WIN32
signal (SIGUSR1, handle_usr1);
#endif
+ loop = g_main_loop_new (NULL, FALSE);
g_idle_add (check_stop, loop);
+ g_idle_add (signal_parent, NULL);
g_main_loop_run (loop);
write_or_die (childname,
g_mapped_file_get_contents (map),
g_mapped_file_get_length (map));
+ signal_parent (NULL);
+
return 0;
}
GMappedFile *map;
gchar *buffer;
gsize len;
- gchar *child_argv[3];
+ gchar *child_argv[4];
GPid child_pid;
+ GMainLoop *loop;
+ gchar pid[100];
#ifdef G_OS_WIN32
g_remove ("STOP");
write_or_die (filename, "ABC", -1);
map = map_or_die (filename, TRUE);
+#ifndef G_OS_WIN32
+ signal (SIGUSR1, handle_usr1);
+#endif
+
+ g_snprintf (pid, sizeof(pid), "%d", getpid ());
child_argv[0] = argv0;
child_argv[1] = "mapchild";
- child_argv[2] = NULL;
+ child_argv[2] = pid;
+ child_argv[3] = NULL;
if (!g_spawn_async (dir, child_argv, NULL,
0, NULL, NULL, &child_pid, &error))
{
exit (1);
}
- /* give the child some time to set up its mapping */
+#ifndef G_OS_WIN32
+ loop = g_main_loop_new (NULL, FALSE);
+ g_idle_add (check_stop, loop);
+ g_main_loop_run (loop);
+ stop = FALSE;
+#else
g_usleep (2000000);
+#endif
buffer = (gchar *)g_mapped_file_get_contents (map);
buffer[0] = '1';
g_file_set_contents ("STOP", "Hey there\n", -1, NULL);
#endif
- /* give the child some time to write the file */
+#ifndef G_OS_WIN32
+ g_idle_add (check_stop, loop);
+ g_main_loop_run (loop);
+#else
g_usleep (2000000);
+#endif
if (!g_file_get_contents (childname, &buffer, &len, &error))
{