I don't care what anyone says, this change is going into 1.6.0.

Otherwise, the simple act of logging an agent in spams the CLI
with warning messages about failed reads of the alertpipe.



git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@159314 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/channel.c

@@ -2437,9 +2437,11 @@ static struct ast_frame *__ast_read(struct ast_channel *chan, int dropaudio)
 			}
 		}
 		if (read(chan->alertpipe[0], &blah, sizeof(blah)) < 0) {
+			if (errno != EINTR && errno != EAGAIN) {
 				ast_log(LOG_WARNING, "read() failed: %s\n", strerror(errno));
 			}
 		}
+	}
 
 #ifdef HAVE_DAHDI
 	if (chan->timingfd > -1 && chan->fdno == AST_TIMING_FD && ast_test_flag(chan, AST_FLAG_EXCEPTION)) {