[SCM] GNU Mach branch, master, updated. v1.4-497-gbe05086

[Samuel Thibault]

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- Log -----------------------------------------------------------------
commit be05086a4b9de42ba7c596905e8980d8713eae49
Author: Samuel Thibault <address@hidden>
Date:   Sun Dec 7 23:05:48 2014 +0100

    Fix pthread_create warning on translator termination
    
    This was due to task_terminate not actually properly suspending threads
    before disable the task port, which was thus preventing pthread_create
    from being able to create a stack. Thanks Gabriele Giacone for finding
    out a reproducer of this.
    
    * kern/task.h (task_hold_locked): New declaration.
    * kern/task.c (task_hold): Move the locked part of the code into...
    (task_hold_locked): ... new function.
    (task_terminate): Call task_hold_locked just before deactivating the
    task. Call ipc_task_disable after waiting for threads to actually
    suspend with task_dowait.

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

Summary of changes:
 kern/task.c |   37 ++++++++++++++++++++++++++++---------
 kern/task.h |    1 +
 2 files changed, 29 insertions(+), 9 deletions(-)


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