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[Bug gcov-profile/49484] gcov crash if two(or more) forks happen at the same time
- From: "redi at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 12 Mar 2012 15:56:07 +0000
- Subject: [Bug gcov-profile/49484] gcov crash if two(or more) forks happen at the same time
- Auto-submitted: auto-generated
- References: <bug-49484-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49484
--- Comment #22 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-03-12 15:56:07 UTC ---
(In reply to comment #20)
> I suppose
>
> Index: libgcc/gthr-posix.h
> ===================================================================
> --- libgcc/gthr-posix.h (revision 185232)
> +++ libgcc/gthr-posix.h (working copy)
> @@ -77,7 +77,6 @@ typedef struct timespec __gthread_time_t
>
> #ifdef _GTHREAD_USE_MUTEX_INIT_FUNC
> # undef __GTHREAD_MUTEX_INIT
> -# define __GTHREAD_MUTEX_INIT_FUNCTION __gthread_mutex_init_function
> #endif
> #ifdef _GTHREAD_USE_RECURSIVE_MUTEX_INIT_FUNC
> # undef __GTHREAD_RECURSIVE_MUTEX_INIT
>
> would fix it?
That fixes half the problem, then there's still the duplicate
__gthread_mutex_init_function on line 749. That should be defined
unconditionally, but according to the spec in gthr.h should return void