From 3122008704ad07fe4982de0e642576ca7613d7bf Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 5 Mar 2009 04:33:40 +0100
Subject: try to detect when stupid clients forks and refuse all service from
 then on

---
 src/pulse/ext-stream-restore.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/pulse/ext-stream-restore.c')

diff --git a/src/pulse/ext-stream-restore.c b/src/pulse/ext-stream-restore.c
index 809c6a4c..63c911f8 100644
--- a/src/pulse/ext-stream-restore.c
+++ b/src/pulse/ext-stream-restore.c
@@ -31,6 +31,7 @@
 
 #include "internal.h"
 #include "operation.h"
+#include "fork-detect.h"
 
 #include "ext-stream-restore.h"
 
@@ -87,6 +88,7 @@ pa_operation *pa_ext_stream_restore_test(
     pa_assert(c);
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
 
@@ -167,6 +169,7 @@ pa_operation *pa_ext_stream_restore_read(
     pa_assert(c);
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
 
@@ -200,6 +203,7 @@ pa_operation *pa_ext_stream_restore_write(
     pa_assert(mode == PA_UPDATE_MERGE || mode == PA_UPDATE_REPLACE || mode == PA_UPDATE_SET);
     pa_assert(data);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
 
@@ -262,6 +266,7 @@ pa_operation *pa_ext_stream_restore_delete(
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
     pa_assert(s);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
 
@@ -310,6 +315,7 @@ pa_operation *pa_ext_stream_restore_subscribe(
     pa_assert(c);
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 
+    PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
     PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 14, PA_ERR_NOTSUPPORTED);
 
@@ -334,6 +340,9 @@ void pa_ext_stream_restore_set_subscribe_cb(
     pa_assert(c);
     pa_assert(PA_REFCNT_VALUE(c) >= 1);
 
+    if (pa_detect_fork())
+        return;
+
     c->ext_stream_restore.callback = cb;
     c->ext_stream_restore.userdata = userdata;
 }
-- 
cgit