From 54b92902b587e3338a1ba43607700008dc0b171d Mon Sep 17 00:00:00 2001
From: "Eric S. Raymond" <esr@thyrsus.com>
Date: Mon, 14 Jun 2010 14:08:02 -0400
Subject: Recover from zero-length reads.

Rather than deactivating a device the first time it gets a zero-length read,
temporarily suppress waiting on it in the main select call and set a timeout
after which it will be un-suppressed. A zero-length read after unsuppression
will trigger deactivation.

All regression tests pass.
---
 serial.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'serial.c')

diff --git a/serial.c b/serial.c
index 499dd3cb..55f0c003 100644
--- a/serial.c
+++ b/serial.c
@@ -72,6 +72,8 @@ void gpsd_tty_init(struct gps_device_t *session)
     session->shmTimeP = -1;
 # endif	/* PPS_ENABLE */
 #endif /* NTPSHM_ENABLE */
+    session->zerokill = false;
+    session->reawake = 0;
 }
 
 #if defined(__CYGWIN__)
-- 
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