From 74fb9d627ad16fd2773ff5a5e69b66bf9bcd467b Mon Sep 17 00:00:00 2001
From: Dmitry Simonenko <pmwkaa@gmail.com>
Date: Fri, 18 Nov 2016 16:28:49 +0300
Subject: [PATCH] flint: pre-check cancel state for ft_write()

---
 lib/ft_iowrite.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/ft_iowrite.c b/lib/ft_iowrite.c
index db9ff7b2..d38d1174 100644
--- a/lib/ft_iowrite.c
+++ b/lib/ft_iowrite.c
@@ -47,11 +47,14 @@ FLINT_API int
 ft_write(ftio_t iop, char *buf, int size, uint64_t time_ms)
 {
 	ftio *io = iop;
+	ftfiber *current = ft_current(io->f);
+	if (ft_fiber_is_cancel(current))
+		return -ECANCELED;
 	if (!io->connected || io->write_fiber)
 		return -1;
 	io->write_status  = 0;
 	io->write_timeout = 0;
-	io->write_fiber   = ft_current(io->f);
+	io->write_fiber   = current;
 
 	ft_io_timer_start(&io->connect_timer, ft_io_write_timeout_cb,
 	                  time_ms);