From 5c687f08caddf3c7d80dccb69093b91eff1ca92e Mon Sep 17 00:00:00 2001
From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Tue, 19 Jan 2016 21:29:59 -0500
Subject: Add assert in barrier code

This function is not supposed to fail, it only returns a boolean.
So add an assert in case anyone calls it without proper initialization
of *b.
---
 src/basic/barrier.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/basic/barrier.c')

diff --git a/src/basic/barrier.c b/src/basic/barrier.c
index 9a78a80eb2..26ae123341 100644
--- a/src/basic/barrier.c
+++ b/src/basic/barrier.c
@@ -197,6 +197,7 @@ static bool barrier_write(Barrier *b, uint64_t buf) {
         if (barrier_i_aborted(b))
                 return false;
 
+        assert(b->me >= 0);
         do {
                 len = write(b->me, &buf, sizeof(buf));
         } while (len < 0 && IN_SET(errno, EAGAIN, EINTR));
-- 
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