[tracker/cpuaffinity] tracker-store: Protect non-portable GNU functions from compilation error

[Martyn James Russell <mr src gnome org>]

commit deb4b22a28a17de28c682764f81b46c1b085c78c
Author: Martyn Russell <martyn lanedo com>
Date:   Thu Jul 1 15:35:33 2010 +0100

    tracker-store: Protect non-portable GNU functions from compilation error

 src/tracker-store/tracker-store.c |   11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)
---
diff --git a/src/tracker-store/tracker-store.c b/src/tracker-store/tracker-store.c
index 6d9e1d3..838fb77 100644
--- a/src/tracker-store/tracker-store.c
+++ b/src/tracker-store/tracker-store.c
@@ -108,8 +108,10 @@ typedef struct {
 
 static GStaticPrivate private_key = G_STATIC_PRIVATE_INIT;
 
+#ifdef __USE_GNU
 /* cpu used for mainloop thread and main update/query thread */
 static int main_cpu;
+#endif /* __USE_GNU */
 
 static void start_handler (TrackerStorePrivate *private);
 
@@ -453,6 +455,7 @@ pool_dispatch_cb (gpointer data,
 	TrackerStoreTask *task;
 	GThread *running_thread = g_thread_self ();
 
+#ifdef __USE_GNU
 	/* special task, only ever sent to main pool */
 	if (GPOINTER_TO_INT (data) == 1) {
 		cpu_set_t cpuset;
@@ -463,6 +466,7 @@ pool_dispatch_cb (gpointer data,
 		pthread_setaffinity_np (pthread_self (), sizeof (cpu_set_t), &cpuset);
 		return;
 	}
+#endif /* __USE_GNU */
 
 	private = user_data;
 	task = data;
@@ -615,14 +619,15 @@ queue_idle_destroy (gpointer user_data)
 	private->have_handler = FALSE;
 }
 
-
 void
 tracker_store_init (void)
 {
 	TrackerStorePrivate *private;
 	gint i;
 	const char *tmp;
+#ifdef __USE_GNU
 	cpu_set_t cpuset;
+#endif /* __USE_GNU */
 
 	private = g_new0 (TrackerStorePrivate, 1);
 
@@ -649,6 +654,7 @@ tracker_store_init (void)
 	g_thread_pool_set_max_idle_time (15 * 1000);
 	g_thread_pool_set_max_unused_threads (2);
 
+#ifdef __USE_GNU
 	main_cpu = sched_getcpu ();
 	CPU_ZERO (&cpuset);
 	CPU_SET (main_cpu, &cpuset);
@@ -657,12 +663,13 @@ tracker_store_init (void)
 	pthread_setaffinity_np (pthread_self (), sizeof (cpu_set_t), &cpuset);
 	/* lock main update/query thread to same cpu to improve overall performance
 	   main loop thread is essentially idle during query execution */
+#endif /* __USE_GNU */
+
 	g_thread_pool_push (private->main_pool, GINT_TO_POINTER (1), NULL);
 
 	g_static_private_set (&private_key,
 	                      private,
 	                      private_free);
-
 }
 
 void