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prctl.2: Unused args must be zero for PR_GET_IO_FLUSHER and PR_SET_IO_FLUSHER 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2020-04-02 14:08:39 +02:00
parent 4222606d2a
commit 3872a3d621
1 changed files with 13 additions and 0 deletions
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13
man2/prctl.2
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@ -1395,6 +1395,12 @@ The calling process must have the
.BR CAP_SYS_RESOURCE
capability.
.IP
.IR arg3 ,
.IR arg4 ,
and
.IR arg5
must be zero.
.IP
Examples of IO_FLUSHER applications are FUSE daemons, SCSI device
emulation daemons, and daemons that perform error handling like multipath
path recovery applications.
@ -1406,6 +1412,13 @@ Return as the function result 1 if the caller is in the IO_FLUSHER state and
The calling process must have the
.BR CAP_SYS_RESOURCE
capability.
.IP
.IR arg2 ,
.IR arg3 ,
.IR arg4 ,
and
.IR arg5
must be zero.
.SH RETURN VALUE
On success,
.BR PR_GET_DUMPABLE ,