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Handle pipes on platforms where they are non-existant of broken.

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We do this by creating a TCP socket pair instead of a normal pipe. Since
Windows isn't UNIX-y enough to support read()/write() on sockets, we also
need a wrapper to handle read() vs recv() and write() vs send().


git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@840 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Pierre Ossman 2006-05-11 11:08:58 +00:00
parent 12d4b5d952
commit 48d66cd5e8
9 changed files with 249 additions and 107 deletions
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14
src/polyp/mainloop.c
View file

@ -40,6 +40,10 @@
#include "../polypcore/winsock.h"
#ifndef HAVE_PIPE
#include "../polypcore/pipe.h"
#endif
#include <polypcore/util.h>
#include <polypcore/idxset.h>
#include <polypcore/xmalloc.h>
@ -330,18 +334,14 @@ pa_mainloop *pa_mainloop_new(void) {
m = pa_xmalloc(sizeof(pa_mainloop));
#ifndef OS_IS_WIN32
if (pipe(m->wakeup_pipe) < 0) {
pa_log_error(__FILE__": ERROR: cannot create wakeup pipe");
pa_xfree(m);
return NULL;
}
pa_make_nonblock_fd(m->wakeup_pipe[0]);
pa_make_nonblock_fd(m->wakeup_pipe[1]);
#else
m->wakeup_pipe[0] = -1;
m->wakeup_pipe[1] = -1;
#endif
m->io_events = pa_idxset_new(NULL, NULL);
m->defer_events = pa_idxset_new(NULL, NULL);
@ -622,7 +622,7 @@ void pa_mainloop_wakeup(pa_mainloop *m) {
assert(m);
if (m->wakeup_pipe[1] >= 0)
write(m->wakeup_pipe[1], &c, sizeof(c));
pa_write(m->wakeup_pipe[1], &c, sizeof(c));
}
static void clear_wakeup(pa_mainloop *m) {
@ -633,7 +633,7 @@ static void clear_wakeup(pa_mainloop *m) {
if (m->wakeup_pipe[0] < 0)
return;
while (read(m->wakeup_pipe[0], &c, sizeof(c)) == sizeof(c));
while (pa_read(m->wakeup_pipe[0], &c, sizeof(c)) == sizeof(c));
}
int pa_mainloop_prepare(pa_mainloop *m, int timeout) {