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4f79d873c1
freebsd-src/lib
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Matthew Dillon 4f79d873c1 Add MAP_NOSYNC feature to mmap(), and MADV_NOSYNC and MADV_AUTOSYNC to 
madvise().

    This feature prevents the update daemon from gratuitously flushing
    dirty pages associated with a mapped file-backed region of memory.  The
    system pager will still page the memory as necessary and the VM system
    will still be fully coherent with the filesystem.  Modifications made
    by other means to the same area of memory, for example by write(), are
    unaffected.  The feature works on a page-granularity basis.

    MAP_NOSYNC allows one to use mmap() to share memory between processes
    without incuring any significant filesystem overhead, putting it in
    the same performance category as SysV Shared memory and anonymous memory.

Reviewed by: julian, alc, dg
1999-12-12 03:19:33 +00:00
..
compat Add $FreeBSD$ - not that it makes much difference, but this is mainly meant 1999-10-29 01:20:50 +00:00
csu $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
libalias Fix a '&&' that should have been a '&'. 1999-12-10 20:04:53 +00:00
libatm $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
libbind Build more components to get named to build. 1999-11-30 04:40:54 +00:00
libc Add MAP_NOSYNC feature to mmap(), and MADV_NOSYNC and MADV_AUTOSYNC to 1999-12-12 03:19:33 +00:00
libc_r Make work for sigset_t change. Also modify tests to account for 1999-12-05 00:48:53 +00:00
libcalendar $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
libcam Fix a file descriptor leak in cam_open_btl(). The xpt device was opened, 1999-09-12 19:40:20 +00:00
libcom_err Zap $Source$ 1999-09-06 07:41:34 +00:00
libcompat $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
libcrypt Never return NULL, always return a hash. 1999-09-22 06:53:08 +00:00
libdevstat Clarify what getdevs() expects as input. 1999-09-23 06:36:02 +00:00
libdisk Remove 'sd' support. SCSI disks are known as 'da' these days. 1999-11-27 21:20:57 +00:00
libedit Fix style bugs 1999-10-03 10:41:40 +00:00
libfetch $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
libform Add bmake glue for libform (the SVSV-style ETI curses form driver from 1999-09-05 05:37:49 +00:00
libftpio Fix style bugs and ordering 1999-10-03 10:40:11 +00:00
libgnumalloc $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
libio $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
libipx $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
libkse Change signal handling to conform to POSIX specified semantics. 1999-12-04 22:55:59 +00:00
libkvm Report swapdevices as cdevs rather than bdevs. 1999-11-29 21:37:18 +00:00
libm ${MACHINE} -> ${MACHINE_ARCH} 1999-11-14 13:54:44 +00:00
libmd $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
libmenu Add bmake glue for libmenu (the SVSV-style ETI curses menu driver from 1999-09-05 05:32:46 +00:00
libncp Repo copy ncp_cfg.h ncp_lib.h ncp_file.h ncp_rcfile.h from here to 1999-11-12 15:09:58 +00:00
libncurses Install include files with mode 444. 1999-12-11 13:38:04 +00:00
libnetgraph Missed part of previous commit. 1999-12-03 23:15:33 +00:00
libopie $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
libpam Add the PAM SSH RSA key authentication module. For example, you can add, 1999-11-29 07:09:44 +00:00
libpanel Add bmake glue for libpanel (the SVSV-style ETI curses panel (overlapping 1999-09-05 05:36:12 +00:00
libpcap $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
libpthread Change signal handling to conform to POSIX specified semantics. 1999-12-04 22:55:59 +00:00
libradius Add support for RADIUS accounting. Note, this changes the format 1999-10-31 04:47:59 +00:00
libresolv Don't build elf libresolv.so*, no elf freebsd binaries have used it ever. 1998-10-11 04:21:56 +00:00
librpcsvc $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
libskey Add $FreeBSD$ lines to man pages that are missing them to make it 1999-08-28 23:10:20 +00:00
libss sigset_t change (part 5 of 5) 1999-09-29 15:18:46 +00:00
libstand longjumperror() and abort() don't exist in libstand.. Don't test 1999-11-24 13:54:46 +00:00
libtacplus $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
libtelnet $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
libutil Make setproctitle(NULL) restore all of the original arguments 1999-11-17 21:12:17 +00:00
libvgl Fix the VGLBITMAP_INITIALIZER macro; VXsize and VYsize should 1999-11-09 12:11:24 +00:00
libwrap $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
libxpg4 I have added the support for BIG5 encoding into libc/libxpg4/mklocale. 1998-08-15 12:51:49 +00:00
liby $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
libz Hard-configure z_off_t as long. Soft configuration using HAVE_UNISTD_H 1999-10-09 11:31:50 +00:00
msun style fix 1999-11-09 00:18:22 +00:00
ncurses Install include files with mode 444. 1999-12-11 13:38:04 +00:00
Makefile Turn libbind back on, it should be ok now. 1999-11-30 06:13:10 +00:00
Makefile.inc