From: Timo Sirainen <tss@iki.fi>
Date: Fri, 17 Sep 2010 16:30:30 +0000 (+0100)
Subject: poll: Added a workaround for AIX to get it to notice IO_ERRORs
X-Git-Tag: 2.0.3~3
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=cd65920767c81e079994df625ade27531f72f5c2;p=thirdparty%2Fdovecot%2Fcore.git

poll: Added a workaround for AIX to get it to notice IO_ERRORs
---

diff --git a/src/lib/ioloop-poll.c b/src/lib/ioloop-poll.c
index 024078ba27..c856eca27e 100644
--- a/src/lib/ioloop-poll.c
+++ b/src/lib/ioloop-poll.c
@@ -155,6 +155,14 @@ void io_loop_handler_run(struct ioloop *ioloop)
 
         /* get the time left for next timeout task */
 	msecs = io_loop_get_wait_time(ioloop, &tv);
+#ifdef _AIX
+	if (msecs > 1000) {
+		/* AIX seems to check IO_POLL_ERRORs only at the beginning of
+		   the poll() call, not during it. keep timeouts short enough
+		   so that we'll notice them pretty quickly. */
+		msecs = 1000;
+	}
+#endif
 
 	ret = poll(ctx->fds, ctx->fds_pos, msecs);
 	if (ret < 0 && errno != EINTR)