CVS log for src/sys/compat/linux/common/linux_limit.h

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sys/compat/linux/common: Nix trailing whitespace, and one blank line.

No functional change intended.

PR/58240: Ricardo Branco: Add missing limits

add prlimit64(2) syscall to COMPAT_LINUX and COMPAT_LINUX32

update from HEAD

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When converting limits from linux32 (int32_t) to native (uint64_t),
cast it to unsigned first to avoid bad side effect for negative
values.

Resync to 2012-11-19 00:00:00 UTC

sync with head

LINUX_RLIM_INFINITY doesn't fit into the value range for linux32, so
introduce a variant with correct value.

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Commit is split, to avoid a "too many arguments" protocol error.

sync with head.

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Pull up following revision(s) (requested by mrg in ticket #622):
	bin/csh/csh.1: revision 1.46
	bin/csh/func.c: revision 1.37
	bin/ps/print.c: revision 1.111
	bin/ps/ps.c: revision 1.74
	bin/sh/miscbltin.c: revision 1.38
	bin/sh/sh.1: revision 1.92 via patch
	external/bsd/top/dist/machine/m_netbsd.c: revision 1.7
	lib/libkvm/kvm_proc.c: revision 1.82
	sys/arch/mips/mips/cpu_exec.c: revision 1.55
	sys/compat/darwin/darwin_exec.c: revision 1.57
	sys/compat/ibcs2/ibcs2_exec.c: revision 1.73
	sys/compat/irix/irix_resource.c: revision 1.15
	sys/compat/linux/arch/amd64/linux_exec_machdep.c: revision 1.16
	sys/compat/linux/arch/i386/linux_exec_machdep.c: revision 1.12
	sys/compat/linux/common/linux_limit.h: revision 1.5
	sys/compat/osf1/osf1_resource.c: revision 1.14
	sys/compat/svr4/svr4_resource.c: revision 1.18
	sys/compat/svr4_32/svr4_32_resource.c: revision 1.17
	sys/kern/exec_subr.c: revision 1.62
	sys/kern/init_sysctl.c: revision 1.160
	sys/kern/kern_exec.c: revision 1.288
	sys/kern/kern_resource.c: revision 1.151
	sys/sys/param.h: patch
	sys/sys/resource.h: revision 1.31
	sys/sys/sysctl.h: revision 1.184
	sys/uvm/uvm_extern.h: revision 1.153
	sys/uvm/uvm_glue.c: revision 1.136
	sys/uvm/uvm_mmap.c: revision 1.128
	usr.bin/systat/ps.c: revision 1.32
- - add new RLIMIT_AS (aka RLIMIT_VMEM) resource that limits the total
address space available to processes.  this limit exists in most other
modern unix variants, and like most of them, our defaults are unlimited.
remove the old mmap / rlimit.datasize hack.
- - adds the VMCMD_STACK flag to all the stack-creation vmcmd callers.
it is currently unused, but was added a few years ago.
- - add a pair of new process size values to kinfo_proc2{}. one is the
total size of the process memory map, and the other is the total size
adjusted for unused stack space (since most processes have a lot of
this...)
- - patch sh, and csh to notice RLIMIT_AS.  (in some cases, the alias
RLIMIT_VMEM was already present and used if availble.)
- - patch ps, top and systat to notice the new k_vm_vsize member of
kinfo_proc2{}.
- - update irix, svr4, svr4_32, linux and osf1 emulations to support
this information.  (freebsd could be done, but that it's best left
as part of the full-update of compat/freebsd.)
this addresses PR 7897.  it also gives correct memory usage values,
which have never been entirely correct (since mmap), and have been
very incorrect since jemalloc() was enabled.
tested on i386 and sparc64, build tested on several other platforms.
thanks to many folks for feedback and testing but most espcially
chuq and yamt for critical suggestions that lead to this patch not
having a special ugliness i wasn't happy with anyway :-)

- add new RLIMIT_AS (aka RLIMIT_VMEM) resource that limits the total
address space available to processes.  this limit exists in most other
modern unix variants, and like most of them, our defaults are unlimited.
remove the old mmap / rlimit.datasize hack.

- adds the VMCMD_STACK flag to all the stack-creation vmcmd callers.
it is currently unused, but was added a few years ago.

- add a pair of new process size values to kinfo_proc2{}. one is the
total size of the process memory map, and the other is the total size
adjusted for unused stack space (since most processes have a lot of
this...)

- patch sh, and csh to notice RLIMIT_AS.  (in some cases, the alias
RLIMIT_VMEM was already present and used if availble.)

- patch ps, top and systat to notice the new k_vm_vsize member of
kinfo_proc2{}.

- update irix, svr4, svr4_32, linux and osf1 emulations to support
this information.  (freebsd could be done, but that it's best left
as part of the full-update of compat/freebsd.)


this addresses PR 7897.  it also gives correct memory usage values,
which have never been entirely correct (since mmap), and have been
very incorrect since jemalloc() was enabled.

tested on i386 and sparc64, build tested on several other platforms.

thanks to many folks for feedback and testing but most espcially
chuq and yamt for critical suggestions that lead to this patch not
having a special ugliness i wasn't happy with anyway :-)

ansify function definitions

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sync with head.

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Remove clause 3 and 4 from TNF licenses

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Remove all the __P

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sync with head.

file linux_limit.h was added on branch rpaulo-netinet-merge-pcb on 2006-09-09 02:45:52 +0000

file linux_limit.h was added on branch yamt-lazymbuf on 2006-06-21 14:59:12 +0000

file linux_limit.h was added on branch simonb-timecounters on 2006-04-22 11:38:13 +0000

file linux_limit.h was added on branch yamt-uio_vmspace on 2006-02-18 15:38:59 +0000

Add initial (but unfinished) COMPAT_LINUX32 for amd64. This is good enough so
that the i386 license manager part of amd64 version of Fluent works.

While I'm here, add SysV IPC to COMPAT_LINUX/amd64