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.\" Copyright (C) Markus Kuhn, 1996
.\"
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.\" 1995-11-26  Markus Kuhn <mskuhn@cip.informatik.uni-erlangen.de>
.\"      First version written
.\"
.\" Japanese Version Copyright (c) 1997 HANATAKA Shinya
.\"         all rights reserved.
.\" Translated Sun Feb 23 16:33:31 JST 1997
.\"         by HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\"
.\"WORD:	lock			å
.\"WORD:	process			ץ
.\"WORD:	paging			ڡ
.\"WORD:	code			
.\"WORD:	data			ǡ
.\"WORD:	stack			å
.\"WORD:	segment			
.\"WORD:	kernel			ͥ
.\"WORD:	shared memory		ͭ
.\"WORD:	unlock			å
.\"WORD:	real-time		ꥢ롦
.\"WORD:	algorithm		르ꥺ
.\"WORD:	security		ƥ
.\"WORD:	scheduling		塼
.\"WORD:	password		ѥ
.\"WORD:	secret key		̩
.\"WORD:	heap			ҡ(heap)
.\"WORD:	automatic variable	ưѿ
.\"WORD:	copy-on-write		񤭹߻ԡ
.\"WORD:	flag			ե饰
.\"WORD:	root			ѡ桼
.\"
.TH MLOCKALL 2 "1995-11-26" "Linux 1.3.43" "Linux Programmer's Manual"
.SH ̾
mlockall \- ƤӽФץΥڡ󥰤ػߤ
.SH 
.nf
.B #include <sys/mman.h>
.sp
\fBint mlockall(int \fIflags\fB);
.fi
.SH 
.B mlockall
ƤӽФץΥɥ쥹֤˥ޥåפƤƤΥڡ
ڡ(paging)ػߤ롣ˤϥɡǡå
ƥȡͭ饤֥ꡢͥΥ桼֥ǡ
ͭꡢꡦޥåפ줿եޤǤ롣
.B mlockall
ƥࡦ뤬ˤƤΥޥåפ줿ڡ RAM 
Ĥ³뤳Ȥݾڤ롢
.B munlock

.B munlockall
ˤäƥڡå줿ꡢץλꡢ
.BR exec 
ˤä¾Υץ򳫻ϤꤹޤǤ RAM ˻Ĥ뤳Ȥ
ݾڤ롣
.BR fork 
Ԥʤä˻ҥץϥڡΥåѾʤ

ΥåˤϼĤλȤƻ롣ꥢ롦(real-time)
르ꥺȹ⤤ƥΥǡǤ롣ꥢ롦
ץꥱϷŪʥߥ󥰤䥹塼󥰤׵ᤷ
ڡ󥰤ͽʤץμ¹٤⤿餹פװǤ롣
ꥢ롦ΥץꥱϤƤ
.BR sched_setscheduler 
ǥꥢ롦ࡦ顼ѹ롣
Ź䥻ƥΥեȥϤФХѥɤ̩Υǡ
Τ褦ʽפʥХȤ򤢤Ĥڡ󥰤η̡̩
åѤθΤž뤫⤷ʤƤϥƥ
եȥ RAM ̩ƽλäȸˤǤŨˤä
ǽˤʤ뤫⤷ʤƥץꥱǤ
ΤۤξʬΤߤåʤФʤʤΤ
.B mlock
ѤǤ롣

.I flags
ѥ᡼ϰʲƤŪ OR ʤ:
.TP 1.2i
.B MCL_CURRENT
ߡץΥɥ쥹֤˥ޥåפƤƤΥڡå롣
.TP
.B MCL_FUTURE
衢ץΥɥ쥹֤˥ޥåפƤΥڡå롣
㤨СĹҡ(heap)䥹å¾
ꡦޥåפ줿ե䶦ͭΰʤɤɬפȤʤ롣
.PP
.B MCL_FUTURE
ꤵƤꡢå줿ڡοå뤳ȤǤڡ
¤Ķˤϡڡޥåפ륷ƥࡦ
.BR ENOMEM 
ȤʤäƼԤ롣
Ĺ륹åˤäƿڡޥåפϡͥ
åγĥݤ
.BR SIGSEGV
롣

ꥢ롦ࡦץϴؿƤӽФǥڡեȤȯʤ
褦˻֤̿Ūʬ˽ʬʥå줿åݤ
ɬפ롣Ͻʬ礭ʼưѿݤؿƤӽФ
ΥåѤΥڡ˳ݤ褦ˤ礭
񤭹ߤԤʤȤˤäãǤ롣ˡˤäƽʬʥڡ
å˥ޥåפ졢RAM ˥å롣ߡν񤭹ߤ̿Ū
ʬǽ񤭹߻ԡ(copy-on-write)ˤڡեȤ
ʤȤݾڤ롣

Υå(lock)Ѥʤ㤨ʣ
.B mlock

.B mlockall
ƤӽФƥå줿ڡ
.BR munlockall
ˤäƥå(unlock)롣
ʣξʣΥץ˥ޥåפƤڡϡʤȤĤξꡢ
ĤΥץǥåƤ¤ RAM ˻Ĥ³롣

.B mlockall

.B munlockall
ѲǽǤ POSIX ƥǤ
.B _POSIX_MEMLOCK
 <unistd.h> Ƥ롣
.SH ֤
ϡ
.B mlockall
ϥ֤顼ξϡ\-1 ֤졢
.I errno
Ŭڤꤵ롣
.SH 顼
.TP
.B ENOMEM
¤ĶΥڡå褦Ȥ
.TP
.B EPERM
ƤӽФץŬڤøͭƤʤ
ѡ桼ΥץΤߤڡå뤳ȤǤ롣
.TP
.B EINVAL
̤ΤΥե饰ꤵ줿

.SH 
POSIX.1b, SVR4.  SVr4 ˤ¾ EAGAIN 顼ˤĤƤεҤ롣
.SH Ϣ
.BR munlockall (2),
.BR mlock (2), 
.BR munlock (2)