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membarrier.2: srcfix: rewrap source lines 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2017-11-19 11:06:31 +01:00
parent ee595da39c
commit 20fe250908
1 changed files with 8 additions and 7 deletions
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15
man2/membarrier.2
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@ -90,16 +90,17 @@ All threads on the system are targeted by this command.
.TP .TP
.B MEMBARRIER_CMD_PRIVATE_EXPEDITED .B MEMBARRIER_CMD_PRIVATE_EXPEDITED
Execute a memory barrier on each running thread belonging to the same Execute a memory barrier on each running thread belonging to the same
process as the current thread. Upon return from system call, the caller process as the current thread.
Upon return from system call, the caller
thread is ensured that all its running threads siblings have passed thread is ensured that all its running threads siblings have passed
through a state where all memory accesses to user-space addresses match through a state where all memory accesses to user-space addresses match
program order between entry to and return from the system call program order between entry to and return from the system call
(non-running threads are de facto in such a state). This only covers (non-running threads are de facto in such a state).
threads from the same process as the caller thread. The "expedited" This only covers threads from the same process as the caller thread.
commands complete faster than the non-expedited ones, they never block, The "expedited" commands complete faster than the non-expedited ones,
but have the downside of causing extra overhead. A process needs to they never block, but have the downside of causing extra overhead.
register its intent to use the private expedited command prior to using A process needs to register its intent to use the private
it. expedited command prior to using it.
.TP .TP
.B MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED .B MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED
Register the process intent to use Register the process intent to use