blob: 8de65d9244f096b22f9961f74ae62f6b345d97c5 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
--- intl/threadlib.c.orig 2013-03-07 08:44:37 UTC
+++ intl/threadlib.c
@@ -29,11 +29,10 @@
# if PTHREAD_IN_USE_DETECTION_HARD
-/* The function to be executed by a dummy thread. */
-static void *
-dummy_thread_func (void *arg)
+static pthread_once_t dummy_once_control = PTHREAD_ONCE_INIT;
+static void
+dummy_once_func (void)
{
- return arg;
}
int
@@ -44,19 +43,10 @@ glthread_in_use (void)
if (!tested)
{
- pthread_t thread;
-
- if (pthread_create (&thread, NULL, dummy_thread_func, NULL) != 0)
- /* Thread creation failed. */
+ if (pthread_once (&dummy_once_control, dummy_once_func) != 0)
result = 0;
else
- {
- /* Thread creation works. */
- void *retval;
- if (pthread_join (thread, &retval) != 0)
- abort ();
- result = 1;
- }
+ result = 1;
tested = 1;
}
return result;
|
