svn commit: r302194 - head/lib/libthr/thread
Konstantin Belousov
kostikbel at gmail.com
Sat Jun 25 16:16:20 UTC 2016
On Sat, Jun 25, 2016 at 07:03:46PM +0300, Ivan Klymenko wrote:
> On Sat, 25 Jun 2016 18:20:06 +0300
> Konstantin Belousov <kostikbel at gmail.com> wrote:
> > diff --git a/lib/libthr/thread/thr_mutex.c
> > b/lib/libthr/thread/thr_mutex.c index 2ad05ca..1ae75fb 100644
> > --- a/lib/libthr/thread/thr_mutex.c
> > +++ b/lib/libthr/thread/thr_mutex.c
> > @@ -850,10 +871,10 @@ mutex_self_trylock(struct pthread_mutex *m)
> >
> > switch (PMUTEX_TYPE(m->m_flags)) {
> > case PTHREAD_MUTEX_ERRORCHECK:
> > - case PTHREAD_MUTEX_ADAPTIVE_NP:
> > ret = EDEADLK;
> > break;
> >
> > + case PTHREAD_MUTEX_ADAPTIVE_NP:
> > case PTHREAD_MUTEX_NORMAL:
> > ret = EBUSY;
> > break;
>
> Strange, it's not helped http://pastebin.com/jbzP0JW2
Are you sure that the new libthr was installed ? Compile and run the
following test, please, and show me the results. On the patched libthr,
the program must not output anything and exits with error code 0.
/* $Id: pthread_errrecurse.c,v 1.1 2016/06/25 16:12:41 kostik Exp kostik $ */
#include <err.h>
#include <errno.h>
#include <pthread.h>
int
main(void)
{
pthread_mutex_t m;
pthread_mutexattr_t ma;
int error;
error = pthread_mutexattr_init(&ma);
if (error != 0)
err(1, "mutexattr_init");
error = pthread_mutexattr_settype(&ma, PTHREAD_MUTEX_ADAPTIVE_NP);
if (error != 0)
err(1, "mutexattr_settype");
error = pthread_mutex_init(&m, &ma);
if (error != 0)
err(1, "mutex_init");
error = pthread_mutex_trylock(&m);
if (error != 0)
err(1, "mutex_trylock 1");
error = pthread_mutex_trylock(&m);
if (error != EBUSY)
err(1, "mutex_trylock 2");
else if (error == 0)
errx(1, "mutex_trylock 2 succeeded");
return (0);
}
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