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mprotect.2: CONFORMING TO: note that pkey_mprotect() is Linux-specific 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2016-10-13 12:19:51 +02:00
parent e956ced871
commit 8f5484f8b6
1 changed files with 4 additions and 0 deletions
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man2/mprotect.2
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@ -136,6 +136,7 @@ in the middle of a region currently protected as
would result in three mappings:
two read/write mappings at each end and a read-only mapping in the middle.)
.SH CONFORMING TO
.BR mprotect ():
POSIX.1-2001, POSIX.1-2008, SVr4.
.\" SVr4 defines an additional error
.\" code EAGAIN. The SVr4 error conditions don't map neatly onto Linux's.
@ -144,6 +145,9 @@ POSIX says that the behavior of
is unspecified if it is applied to a region of memory that
was not obtained via
.BR mmap (2).
.BR pkey_mprotect ()
is a nonportable Linux extension.
.SH NOTES
On Linux, it is always permissible to call
.BR mprotect ()