From 532aa1a904bc847da869af796f73172ac2ac3e45 Mon Sep 17 00:00:00 2001 From: Cedric Roux <cedric.roux@eurecom.fr> Date: Thu, 29 Aug 2024 15:06:29 +0200 Subject: [PATCH] rfsim: print error if write fails Some strange behavior may happen if write() to the rfsim socket fails. Let's print some error, can be useful in case of problem. --- radio/rfsimulator/simulator.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/radio/rfsimulator/simulator.c b/radio/rfsimulator/simulator.c index 670998f57e..26feb13490 100644 --- a/radio/rfsimulator/simulator.c +++ b/radio/rfsimulator/simulator.c @@ -304,7 +304,12 @@ static void fullwrite(int fd, void *_buf, ssize_t count, rfsimulator_state_t *t) while (count) { l = write(fd, buf, count); - if (l <= 0) { + if (l == 0) { + LOG_E(HW, "write() failed, returned 0\n"); + return; + } + + if (l < 0) { if (errno==EINTR) continue; @@ -312,8 +317,10 @@ static void fullwrite(int fd, void *_buf, ssize_t count, rfsimulator_state_t *t) LOG_D(HW, "write() failed, errno(%d)\n", errno); usleep(250); continue; - } else + } else { + LOG_E(HW, "write() failed, errno(%d)\n", errno); return; + } } count -= l; -- 2.26.2