diff options
| author | Clint Adams <clint@debian.org> | 2018-12-22 09:23:19 -0500 |
|---|---|---|
| committer | Clint Adams <clint@debian.org> | 2018-12-22 09:23:19 -0500 |
| commit | 637a2e292881341dde845545517b0ed3d3ccfc94 (patch) | |
| tree | c0d05d9f8978af415c5cea9ec39fc85b6bfb6cec /lib/glthread | |
| parent | 117dcd10d7e04d0dda7668518b8d085027f4d705 (diff) | |
New upstream version 4.7
Diffstat (limited to 'lib/glthread')
| -rw-r--r-- | lib/glthread/lock.h | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/lib/glthread/lock.h b/lib/glthread/lock.h index fcc3f3a..30aa730 100644 --- a/lib/glthread/lock.h +++ b/lib/glthread/lock.h @@ -149,18 +149,14 @@ extern int glthread_in_use (void); # endif # if !PTHREAD_IN_USE_DETECTION_HARD - /* On most platforms, pthread_cancel or pthread_kill can be used to - determine whether libpthread is in use. - On newer versions of FreeBSD, however, this is no longer possible, - because pthread_cancel and pthread_kill got added to libc. Therefore - use pthread_create to test whether libpthread is in use. */ -# if defined __FreeBSD__ || defined __DragonFly__ /* FreeBSD */ -# pragma weak pthread_create -# define pthread_in_use() (pthread_create != NULL) -# else /* glibc, NetBSD, OpenBSD, IRIX, OSF/1, Solaris */ -# pragma weak pthread_cancel -# define pthread_in_use() (pthread_cancel != NULL) -# endif + /* Considering all platforms with USE_POSIX_THREADS_WEAK, only few symbols + can be used to determine whether libpthread is in use. These are: + pthread_mutexattr_gettype + pthread_rwlockattr_destroy + pthread_rwlockattr_init + */ +# pragma weak pthread_mutexattr_gettype +# define pthread_in_use() (pthread_mutexattr_gettype != NULL) # endif # else |