[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.6-95-ga9e19b3

[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.6-95-ga9e19b3

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The branch, master has been updated
       via  a9e19b380f9814630018e79b8cafa3c675dd182c (commit)
       via  a85c8affd4d2dc049f18db63e63747ad26555a29 (commit)
      from  46ac9ed5bad86641e552bee4e42a2d973ffc12d0 (commit)

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- Log -----------------------------------------------------------------
commit a9e19b380f9814630018e79b8cafa3c675dd182c
Author: Mark Wielaard <mjw@redhat.com>
Date:   Sun Aug 14 23:07:46 2011 +0200

    Implement and use select to wait for cmd channel data.
    
    Add a poll implementation to runtime/transport/control.c
    (_stp_ctl_poll_cmd) based on the _stp_ctl_ready_q wait queue.
    Check whether select is supported in runtime/staprun/mainloop.c
    (stp_main_loop) and use pselect with a sigmask that includes
    SIGURG to get EINTR notifications whenever an interruptable
    event occurred.

commit a85c8affd4d2dc049f18db63e63747ad26555a29
Author: Mark Wielaard <mjw@redhat.com>
Date:   Sat Aug 13 23:03:36 2011 +0200

    runtime/io.c: Explicitly signal setting of _stp_exit_flag.
    
    Call wake_up_interruptible(&_stp_ctl_wq) in _stp_exit()
    to signal possible waiters in _stp_ctl_read_cmd().

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

Summary of changes:
 runtime/io.c                |    1 +
 runtime/staprun/mainloop.c  |   83 +++++++++++++++++++++++++++++++++++++++----
 runtime/transport/control.c |   25 +++++++++++++
 3 files changed, 102 insertions(+), 7 deletions(-)


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systemtap: system-wide probe/trace tool