From 0b72293d1a22af11e46b89cd60e2c3f34377a4df Mon Sep 17 00:00:00 2001
From: Michael Tuexen <tuexen@fh-muenster.de>
Date: Wed, 15 Jun 2016 20:15:38 +0200
Subject: [PATCH] Get blocking system calls working on FreeBSD.
This fixes a bug on non-Linux system for the handling of
blocking system calls. While waiting, release the state
mutex.
Sponsored by Netflix.
---
gtests/net/packetdrill/run.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/gtests/net/packetdrill/run.c b/gtests/net/packetdrill/run.c
index 778e2b59..574c0cca 100644
--- a/gtests/net/packetdrill/run.c
+++ b/gtests/net/packetdrill/run.c
@@ -318,6 +318,7 @@ void wait_for_event(struct state *state)
state, state->event->time_usecs);
DEBUGP("waiting until %lld -- now is %lld\n",
event_usecs, now_usecs());
+ run_unlock(state);
while (1) {
const s64 wait_usecs = event_usecs - now_usecs();
if (wait_usecs <= 0)
@@ -333,9 +334,7 @@ void wait_for_event(struct state *state)
* event we're waiting for and then spin.
*/
if (wait_usecs > MAX_SPIN_USECS) {
- run_unlock(state);
usleep(wait_usecs - MAX_SPIN_USECS);
- run_lock(state);
}
#endif
@@ -343,7 +342,7 @@ void wait_for_event(struct state *state)
* two to wait, so we spin.
*/
}
-
+ run_lock(state);
check_event_time(state, now_usecs());
}
--
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