From b226f7d13d348ed481f0af0fe33ae28f0b981861 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Beat=20K=C3=BCng?= Date: Tue, 31 May 2016 15:10:22 +0200 Subject: [PATCH] gps: call fsync after injecting gps data This is to minimize delay --- src/drivers/gps/gps.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/drivers/gps/gps.cpp b/src/drivers/gps/gps.cpp index a502548b28..3e29be8425 100644 --- a/src/drivers/gps/gps.cpp +++ b/src/drivers/gps/gps.cpp @@ -463,7 +463,9 @@ bool GPS::injectData(uint8_t *data, size_t len) } } - return ::write(_serial_fd, data, len) == len; + size_t written = ::write(_serial_fd, data, len); + ::fsync(_serial_fd); + return written == len; } int GPS::setBaudrate(unsigned baud)