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From 5a3d6f037c2a78f30b6098060ce73b8f6a7bc41a Mon Sep 17 00:00:00 2001
From: Justus Winter <4winter@informatik.uni-hamburg.de>
Date: Thu, 24 Sep 2015 22:11:58 +0200
Subject: [PATCH hurd 10/12] fixup_libintrospection
---
libintrospection/trace.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/libintrospection/trace.c b/libintrospection/trace.c
index ac2fdb0..392eb3a 100644
--- a/libintrospection/trace.c
+++ b/libintrospection/trace.c
@@ -131,18 +131,12 @@ introspection_trace_message (mach_port_t trace_port,
static mach_port_t
make_id (void)
{
- static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
static mach_port_t id;
mach_port_t result;
- pthread_mutex_lock (&lock);
-
do
- id += 1;
- while (! MACH_PORT_VALID (id));
-
- result = id;
- pthread_mutex_unlock (&lock);
+ result = __atomic_add_fetch (&id, 1, __ATOMIC_RELAXED);
+ while (! MACH_PORT_VALID (result));
return result;
}
--
2.1.4
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