[SCM] POSIX threading library branch, master, updated. db7bf9590dc08a72de9a9c46db7937188156fa2e

[Samuel Thibault]

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- Log -----------------------------------------------------------------
commit db7bf9590dc08a72de9a9c46db7937188156fa2e
Author: Samuel Thibault <address@hidden>
Date:   Sun Nov 27 18:39:25 2011 +0100

    Fix __mutex_unlock_solid safety
    
    libc releases the spinlock before calling __mutex_unlock_solid, so we have 
to
    try to reacquire it before possibly giving it to some blocked thread.
    
    * pthread/cthreads-compat.c (__mutex_unlock_solid): Call
    __pthread_spin_trylock before calling __pthread_mutex_unlock.

-----------------------------------------------------------------------

Summary of changes:
 pthread/cthreads-compat.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)


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