View Source: munlockall(2) - Waikato Linux Users Group

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!!NAME
munlockall - reenable paging for calling process

!!SYNOPSIS
 __#include <sys/mman.h>__

!!DESCRIPTION
__munlockall__ reenables paging for all pages mapped into the address space of the calling process.

Memory locks do not stack, i.e., pages which have been locked several times by calls to __mlock__ or __mlockall__ will be unlocked by a single call to __munlockall__. Pages which are mapped to several locations or by several processes stay locked into RAM as long as they are locked at least at one location or by at least one process.

On POSIX systems on which __mlockall__ and __munlockall__ are available, ___POSIX_MEMLOCK__ is defined in ''<unistd.h>''

!!RETURN VALUE
On success, __munlockall__ returns zero. On error, -1 is returned and ''errno'' is set appropriately.

!!CONFORMING TO
POSIX.1b, SVr4

!!SEE ALSO
mlockall(2), mlock(2), munlock(2)

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Last edited on Saturday, March 15, 2003 1:41:38 am by PerryLorier

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