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* [Bug nptl/4392] New: The pthread_mutex_trylock function returns EDEADLK instead of EBUSY
@ 2007-04-18 17:11 newdimm at gmail dot com
  2007-04-28  4:24 ` [Bug nptl/4392] " drepper at redhat dot com
  0 siblings, 1 reply; 2+ messages in thread
From: newdimm at gmail dot com @ 2007-04-18 17:11 UTC (permalink / raw)
  To: glibc-bugs

According to the IEEE Std 1003.1, 2004 the pthread_mutex_trylock function should
return EBUSY when the mutex could not be acquired because it was already locked
(http://www.opengroup.org/onlinepubs/009695399/functions/pthread_mutex_lock.html).

The current implementation (nptl/pthread_mutex_trylock.c) returns EDEADLK when
the PTHREAD_MUTEX_ERRORCHECK_NP kind mutex is used what is not correct according
to the standard.

-- 
           Summary: The pthread_mutex_trylock function returns EDEADLK
                    instead of EBUSY
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: minor
          Priority: P2
         Component: nptl
        AssignedTo: drepper at redhat dot com
        ReportedBy: newdimm at gmail dot com
                CC: glibc-bugs at sources dot redhat dot com
 GCC build triplet: i386
  GCC host triplet: i386
GCC target triplet: i386


http://sourceware.org/bugzilla/show_bug.cgi?id=4392

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^ permalink raw reply	[flat|nested] 2+ messages in thread

* [Bug nptl/4392] The pthread_mutex_trylock function returns EDEADLK instead of EBUSY
  2007-04-18 17:11 [Bug nptl/4392] New: The pthread_mutex_trylock function returns EDEADLK instead of EBUSY newdimm at gmail dot com
@ 2007-04-28  4:24 ` drepper at redhat dot com
  0 siblings, 0 replies; 2+ messages in thread
From: drepper at redhat dot com @ 2007-04-28  4:24 UTC (permalink / raw)
  To: glibc-bugs


------- Additional Comments From drepper at redhat dot com  2007-04-28 05:24 -------
I made an appropriate change only because it simplifies the code.  It's not the
right behavior IMO.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED


http://sourceware.org/bugzilla/show_bug.cgi?id=4392

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2007-04-18 17:11 [Bug nptl/4392] New: The pthread_mutex_trylock function returns EDEADLK instead of EBUSY newdimm at gmail dot com
2007-04-28  4:24 ` [Bug nptl/4392] " drepper at redhat dot com

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