From: Michael Jeanson <mjeanson@efficios.com>
Date: Wed, 31 Mar 2021 19:15:12 +0000 (-0400)
Subject: cleanup: add 'noreturn' attribute to '_uatomic_link_error'
X-Git-Tag: v0.13.0~24
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=85be4e352b8bf274704acd4d57165552cba070c7;p=userspace-rcu.git

cleanup: add 'noreturn' attribute to '_uatomic_link_error'

Tell the compiler that this function never returns, may help with
optimizations.

Change-Id: I07e4bdc5c83436e497db02394eccfbf44063f090
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/include/urcu/uatomic/generic.h b/include/urcu/uatomic/generic.h
index 5bb0d4f..89d1cfa 100644
--- a/include/urcu/uatomic/generic.h
+++ b/include/urcu/uatomic/generic.h
@@ -38,7 +38,7 @@ extern "C" {
 #endif
 
 #if !defined __OPTIMIZE__  || defined UATOMIC_NO_LINK_ERROR
-static inline __attribute__((always_inline))
+static inline __attribute__((always_inline, noreturn))
 void _uatomic_link_error(void)
 {
 #ifdef ILLEGAL_INSTR