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try to use send(,,MSG_NOSIGNAL) instead of write() wherever possible (which

Browse source 
will allow us to drop the SIGPIPE check). Cache the results of the last
write()/send() to make sure that we do not issue more than necessary system
calls.



git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1083 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2006-07-14 22:42:01 +00:00
parent 350a253dc5
commit 860be2e70b
17 changed files with 100 additions and 58 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/pulse/mainloop.c
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@ -100,6 +100,7 @@ struct pa_mainloop {
int deferred_pending;
int wakeup_pipe[2];
int wakeup_pipe_type;
enum {
STATE_PASSIVE,
@ -337,6 +338,7 @@ pa_mainloop *pa_mainloop_new(void) {
m = pa_xmalloc(sizeof(pa_mainloop));
m->wakeup_pipe_type = 0;
if (pipe(m->wakeup_pipe) < 0) {
pa_log_error(__FILE__": ERROR: cannot create wakeup pipe");
pa_xfree(m);
@ -625,7 +627,7 @@ void pa_mainloop_wakeup(pa_mainloop *m) {
assert(m);
if (m->wakeup_pipe[1] >= 0)
pa_write(m->wakeup_pipe[1], &c, sizeof(c));
pa_write(m->wakeup_pipe[1], &c, sizeof(c), &m->wakeup_pipe_type);
}
static void clear_wakeup(pa_mainloop *m) {
@ -636,7 +638,7 @@ static void clear_wakeup(pa_mainloop *m) {
if (m->wakeup_pipe[0] < 0)
return;
while (pa_read(m->wakeup_pipe[0], &c, sizeof(c)) == sizeof(c));
while (pa_read(m->wakeup_pipe[0], &c, sizeof(c), &m->wakeup_pipe_type) == sizeof(c));
}
int pa_mainloop_prepare(pa_mainloop *m, int timeout) {