From: Bartosz Golaszewski <bartekgola@gmail.com>
Date: Wed, 11 Jan 2017 12:17:01 +0000 (+0100)
Subject: event: tweak gpiod_simple_event_loop()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b33d512c6a09a87b0dd5d7d24d3d9eb409452c72;p=qemu-gpiodev%2Flibgpiod.git

event: tweak gpiod_simple_event_loop()

If the internal system call is interrupted by a signal - just act as
if the wait timed out.

Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
---

diff --git a/core.c b/core.c
index e50a2e6..e139f22 100644
--- a/core.c
+++ b/core.c
@@ -277,7 +277,10 @@ int gpiod_simple_event_loop(const char *device, unsigned int offset,
 	for (;;) {
 		status = gpiod_line_event_wait(line, timeout);
 		if (status < 0) {
-			goto out;
+			if (gpiod_errno() == EINTR)
+				return evtype = GPIOD_EVENT_CB_TIMEOUT;
+			else
+				goto out;
 		} else if (status == 0) {
 			evtype = GPIOD_EVENT_CB_TIMEOUT;
 		} else {