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-rw-r--r--ChangeLog5
-rw-r--r--ext/socket/ancdata.c9
2 files changed, 12 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index 138f1e0fe1..7ed8651dae 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun Feb 22 02:15:40 2009 Tanaka Akira <akr@fsij.org>
+
+ * ext/socket/ancdata.c (bsock_recvmsg_internal): handle EMSGSIZE as
+ well.
+
Sun Feb 22 02:03:46 2009 Tanaka Akira <akr@fsij.org>
* ext/socket/ancdata.c (bsock_recvmsg_internal): check max length
diff --git a/ext/socket/ancdata.c b/ext/socket/ancdata.c
index e3f56fe50f..674923e3ee 100644
--- a/ext/socket/ancdata.c
+++ b/ext/socket/ancdata.c
@@ -1298,8 +1298,13 @@ bsock_recvmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock)
if (nonblock && errno == EWOULDBLOCK)
rb_sys_fail("recvmsg(2) WANT_READ");
#if defined(HAVE_ST_MSG_CONTROL)
- if (errno == EMFILE && !gc_done) {
- /* SCM_RIGHTS hit the file descriptors limit, maybe. */
+ if (!gc_done && (errno == EMFILE || errno == EMSGSIZE)) {
+ /*
+ * When SCM_RIGHTS hit the file descriptors limit:
+ * - Linux 2.6.18 causes success with MSG_CTRUNC
+ * - MacOS X 10.4 causes EMSGSIZE (and lost file descriptors?)
+ * - Solaris 11 causes EMFILE
+ */
gc_and_retry:
rb_gc();
gc_done = 1;