don't fail if a signalled writability of STDOUT is no longer true when we try it because some other thread already wrote something

git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/glitch-free@2251 fefdeb5f-60dc-0310-8127-8f9354f1896f

1 files changed, 7 insertions, 0 deletions

diff --git a/src/pulsecore/ioline.c b/src/pulsecore/ioline.c
index 5fd2189b..860a6511 100644
--- a/src/pulsecore/ioline.c
+++ b/src/pulsecore/ioline.c
@@ -299,6 +299,10 @@ static int do_read(pa_ioline *l) {
 
         /* Read some data */
         if ((r = pa_iochannel_read(l->io, l->rbuf+l->rbuf_index+l->rbuf_valid_length, len)) <= 0) {
+
+            if (r < 0 && errno == EAGAIN)
+                return 0;
+
             if (r < 0 && errno != ECONNRESET) {
                 pa_log("read(): %s", pa_cstrerror(errno));
                 failure(l, 0);
@@ -328,6 +332,9 @@ static int do_write(pa_ioline *l) {
 
         if ((r = pa_iochannel_write(l->io, l->wbuf+l->wbuf_index, l->wbuf_valid_length)) <= 0) {
 
+            if (r < 0 && errno == EAGAIN)
+                return 0;
+
             if (r < 0 && errno != EPIPE)
                 pa_log("write(): %s", pa_cstrerror(errno));