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

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

1 files changed, 4 insertions, 2 deletions

diff --git a/src/modules/module-jack-source.c b/src/modules/module-jack-source.c
index 9c7f449f..649a8f98 100644
--- a/src/modules/module-jack-source.c
+++ b/src/modules/module-jack-source.c
@@ -81,6 +81,7 @@ struct userdata {
     int quit_requested;
 
     int pipe_fds[2];
+    int pipe_fd_type;
     pa_io_event *io_event;
 
     jack_nframes_t frames_in_buffer;
@@ -119,7 +120,7 @@ static void io_event_cb(pa_mainloop_api *m, pa_io_event *e, int fd, pa_io_event_
     assert(u);
     assert(u->pipe_fds[0] == fd);
 
-    read(fd, &x, 1);
+    pa_read(fd, &x, 1, &u->pipe_fd_type);
     
     if (u->quit_requested) {
         stop_source(u);
@@ -166,7 +167,7 @@ static void request_post(struct userdata *u) {
     assert(u);
 
     assert(u->pipe_fds[1] >= 0);
-    write(u->pipe_fds[1], &c, 1);
+    pa_write(u->pipe_fds[1], &c, 1, &u->pipe_fd_type);
 }
 
 static void jack_shutdown(void *arg) {
@@ -266,6 +267,7 @@ int pa__init(pa_core *c, pa_module*m) {
     u->core = c;
     u->module = m;
     u->pipe_fds[0] = u->pipe_fds[1] = -1;
+    u->pipe_fd_type = 0;
 
     pthread_mutex_init(&u->mutex, NULL);
     pthread_cond_init(&u->cond, NULL);