Xlib can be configured with --enable-checked-locks option to check if it's called from multiple threads even though XInitThreads hasn't been called first. This detection is currently implemented with phtread_trylock.
Signed-off-by: Rami Ylimäki <rami.ylim...@vincit.fi> Signed-off-by: Erkki Seppälä <erkki.sepp...@vincit.fi> --- Xthreads.h | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/Xthreads.h b/Xthreads.h index 3d44208..15cbb2d 100644 --- a/Xthreads.h +++ b/Xthreads.h @@ -230,6 +230,7 @@ typedef pthread_mutex_t xmutex_rec; # define xthread_set_specific(k,v) pthread_setspecific(k,v) # define xmutex_clear(m) pthread_mutex_destroy(m) # define xmutex_lock(m) pthread_mutex_lock(m) +# define xmutex_trylock(m) pthread_mutex_trylock(m) # define xmutex_unlock(m) pthread_mutex_unlock(m) # ifndef XPRE_STANDARD_API # define xthread_key_create(kp,d) pthread_key_create(kp,d) @@ -290,6 +291,9 @@ typedef xmutex_rec *xmutex_t; # ifndef xmutex_free # define xmutex_free(m) xfree((char *)m) # endif +# ifndef xmutex_trylock /* generate compiler error */ +# define xmutex_trylock(m) "xmutex_trylock not defined"() +# endif # ifndef xthread_have_id # define xthread_have_id(id) id # endif -- 1.6.3.3 _______________________________________________ xorg-devel@lists.x.org: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: http://lists.x.org/mailman/listinfo/xorg-devel