From 34fe8bd893ed9c7531bc4898b934ef9d4cdf3e68 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 1 Sep 2004 00:23:51 +0000
Subject: add support for SCHED_FIFO

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@163 fefdeb5f-60dc-0310-8127-8f9354f1896f
---
 polyp/mainloop.c | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

(limited to 'polyp/mainloop.c')

diff --git a/polyp/mainloop.c b/polyp/mainloop.c
index 20d14e51..83f0b1e8 100644
--- a/polyp/mainloop.c
+++ b/polyp/mainloop.c
@@ -332,6 +332,7 @@ void pa_mainloop_free(struct pa_mainloop* m) {
 static void scan_dead(struct pa_mainloop *m) {
     int all = 0;
     assert(m);
+
     if (m->io_events_scan_dead)
         pa_idxset_foreach(m->io_events, io_foreach, &all);
     if (m->time_events_scan_dead)
@@ -402,7 +403,7 @@ static void dispatch_defer(struct pa_mainloop *m) {
     for (e = pa_idxset_first(m->defer_events, &index); e; e = pa_idxset_next(m->defer_events, &index)) {
         if (e->dead || !e->enabled)
             continue;
-
+ 
         assert(e->callback);
         e->callback(&m->api, e, e->userdata);
     }
@@ -413,18 +414,23 @@ static int calc_next_timeout(struct pa_mainloop *m) {
     struct pa_time_event *e;
     struct timeval now;
     int t = -1;
+    int got_time = 0;
 
     if (pa_idxset_isempty(m->time_events))
         return -1;
 
-    gettimeofday(&now, NULL);
-    
     for (e = pa_idxset_first(m->time_events, &index); e; e = pa_idxset_next(m->time_events, &index)) {
         int tmp;
         
         if (e->dead || !e->enabled)
             continue;
 
+        /* Let's save a system call */
+        if (!got_time) {
+            gettimeofday(&now, NULL);
+            got_time = 1;
+        }
+
         if (e->timeval.tv_sec < now.tv_sec || (e->timeval.tv_sec == now.tv_sec && e->timeval.tv_usec <= now.tv_usec)) 
             return 0;
 
@@ -448,17 +454,23 @@ static void dispatch_timeout(struct pa_mainloop *m) {
     uint32_t index;
     struct pa_time_event *e;
     struct timeval now;
+    int got_time = 0;
     assert(m);
 
     if (pa_idxset_isempty(m->time_events))
         return;
 
-    gettimeofday(&now, NULL);
     for (e = pa_idxset_first(m->time_events, &index); e; e = pa_idxset_next(m->time_events, &index)) {
         
         if (e->dead || !e->enabled)
             continue;
 
+        /* Let's save a system call */
+        if (!got_time) {
+            gettimeofday(&now, NULL);
+            got_time = 1;
+        }
+        
         if (e->timeval.tv_sec < now.tv_sec || (e->timeval.tv_sec == now.tv_sec && e->timeval.tv_usec <= now.tv_usec)) {
             assert(e->callback);
 
-- 
cgit