[alsa-devel] [PATCH 6/6] pulse: immediately trigger EIO when connection is dropped

Lennart Poettering mznyfn at 0pointer.de
Tue Aug 4 23:56:00 CEST 2009


When the connection is dropped notify the application immediately
instead of waiting until the applications calls into us the next time.

This makes "aplay" handle connections shutdown similar to hardware
unplugs: an immediate EIO is thrown.
---
 pulse/pulse.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/pulse/pulse.c b/pulse/pulse.c
index 9c05171..a94caaf 100644
--- a/pulse/pulse.c
+++ b/pulse/pulse.c
@@ -77,10 +77,17 @@ int pulse_wait_operation(snd_pulse_t * p, pa_operation * o)
 
 static void context_state_cb(pa_context * c, void *userdata)
 {
+	pa_context_state_t state;
 	snd_pulse_t *p = userdata;
 	assert(c);
 
-	switch (pa_context_get_state(c)) {
+	state = pa_context_get_state(c);
+
+	/* When we get disconnected, tell the process */x
+	if (!PA_CONTEXT_IS_GOOD(state))
+		pulse_poll_activate(p);
+
+	switch (state) {
 	case PA_CONTEXT_READY:
 	case PA_CONTEXT_TERMINATED:
 	case PA_CONTEXT_FAILED:
-- 
1.6.4



Lennart

-- 
Lennart Poettering                        Red Hat, Inc.
lennart [at] poettering [dot] net         ICQ# 11060553
http://0pointer.net/lennart/           GnuPG 0x1A015CC4


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