[SCM] POSIX threading library branch, master, updated. 46d3992fea0690f81ed3924a0a13f3aecde809ae

[Samuel Thibault]

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- Log -----------------------------------------------------------------
commit 46d3992fea0690f81ed3924a0a13f3aecde809ae
Author: Samuel Thibault <address@hidden>
Date:   Sun Nov 2 04:20:13 2014 +0100

    Wake up queued threads without spin lock held
    
    so that they may have a chance to actually preempt us. Otherwise
    they will merely immediately fail to acquire the spin lock, and thus
    preemption will have served no purpose.
    
    * sysdeps/generic/pt-rwlock-unlock.c (pthread_rwlock_unlock): Record
    an array of __pthread to wake while holding the lock, and wake them
    only after unlocking it.

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Summary of changes:
 sysdeps/generic/pt-rwlock-unlock.c |   25 ++++++++++++++++++-------
 1 files changed, 18 insertions(+), 7 deletions(-)


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