On Sat, 25 Jun 2016 21:06:57 +0300
Konstantin Belousov <kostik...@gmail.com> wrote:
> On Sat, Jun 25, 2016 at 09:05:43PM +0300, Konstantin Belousov wrote:
> > On Sat, Jun 25, 2016 at 08:43:17PM +0300, Ivan Klymenko wrote:
> > > ./thr_mutex_test
> > > thr_mutex_test: mutex_trylock 2: No error: 0
> >
> > Ok, there is a bug in my test, it must use errc(3) and not err(3).
> > Please retest wth the updated code below. But I am sure that you
> > would see EDEADLK (Resource deadlock avoided) error, which means
> > that you have wrong, i.e. unpatched libthr, installed.
> >
> > For me, the output is
> > sandy% ./pthread_errrecurse
> > sandy% echo $?
> > 0
> >
> Err, the updated test.
>
> /* $Id: pthread_errrecurse.c,v 1.2 2016/06/25 18:02:54 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)
> errc(1, error, "mutexattr_init");
> error = pthread_mutexattr_settype(&ma,
> PTHREAD_MUTEX_ADAPTIVE_NP); if (error != 0)
> errc(1, error, "mutexattr_settype");
> error = pthread_mutex_init(&m, &ma);
> if (error != 0)
> errc(1, error, "mutex_init");
> error = pthread_mutex_trylock(&m);
> if (error != 0)
> errc(1, error, "mutex_trylock 1");
> error = pthread_mutex_trylock(&m);
> if (error != EBUSY)
> errc(1, error, "mutex_trylock 2");
> else if (error == 0)
> errx(1, "mutex_trylock 2 succeeded");
> return (0);
> }
1. Patched & installed libthr r302195
2. test for other soft:
mousepad
GLib (gthread-posix.c): Unexpected error from C library during
'pthread_mutex_trylock': Уникнуто взаємне блокування ресурсів.
Aborting. Аварійне завершення(записано core)
3.test new ./thr_mutex_test
thr_mutex_test: mutex_trylock 2: No error: 0
4. restore patch & install original libthr r302195
5. test for other soft:
mousepad
GLib (gthread-posix.c): Unexpected error from C library during
'pthread_mutex_trylock': Уникнуто взаємне блокування ресурсів.
Aborting. Аварійне завершення(записано core)
6. test new ./thr_mutex_test
thr_mutex_test: mutex_trylock 2: No error: 0
7. restore & install libthr r302191
8. test for other soft:
mousepad - complete run
9. test new ./thr_mutex_test
thr_mutex_test: mutex_trylock 2: No error: 0
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