From e4d811b726b85b7de83fafee24b5c1d05061bc1e Mon Sep 17 00:00:00 2001
From: Matthias Kretz <kretz@kde.org>
Date: Thu, 15 Nov 2007 15:29:33 +0100
Subject: using select instead of nanosleep the wakeup count reported by
 powertop is reduced by 50%

---
 src/xine-utils/utils.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src')

diff --git a/src/xine-utils/utils.c b/src/xine-utils/utils.c
index fa0c11dbe..ab5d9a2ec 100644
--- a/src/xine-utils/utils.c
+++ b/src/xine-utils/utils.c
@@ -434,6 +434,7 @@ char *xine_chomp(char *str) {
  * a thread-safe usecond sleep
  */
 void xine_usec_sleep(unsigned usec) {
+#if 0
 #if HAVE_NANOSLEEP
   /* nanosleep is prefered on solaris, because it's mt-safe */
   struct timespec ts, remaining;
@@ -449,6 +450,15 @@ void xine_usec_sleep(unsigned usec) {
   usleep(usec);
 #  endif
 #endif
+#else
+  if (usec < 10000) {
+      usec = 10000;
+  }
+  struct timeval tm;
+  tm.tv_sec  = usec / 1000000;
+  tm.tv_usec = usec % 1000000;
+  select(0, 0, 0, 0, &tm);
+#endif
 }
 
 
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