Seigo Tanimura f591779bb5 Lock struct pgrp, session and sigio. ...

New locks are:

- pgrpsess_lock which locks the whole pgrps and sessions,
- pg_mtx which protects the pgrp members, and
- s_mtx which protects the session members.

Please refer to sys/proc.h for the coverage of these locks.

Changes on the pgrp/session interface:

- pgfind() needs the pgrpsess_lock held.

- The caller of enterpgrp() is responsible to allocate a new pgrp and
  session.

- Call enterthispgrp() in order to enter an existing pgrp.

- pgsignal() requires a pgrp lock held.

Reviewed by:	jhb, alfred
Tested on:	cvsup.jp.FreeBSD.org
		(which is a quad-CPU machine running -current)

2002-02-23 11:12:57 +00:00

..

bus_if.m

…

device_if.m

…

genassym.sh

Allow one to specify the AWK used in the environment(commandline).

2002-02-11 03:54:30 +00:00

imgact_aout.c

Make MAXTSIZ, DFLDSIZ, MAXDSIZ, DFLSSIZ, MAXSSIZ, SGROWSIZ loader

2001-10-10 23:06:54 +00:00

imgact_elf.c

Remove whitespace at end of line.

2001-12-16 17:21:16 +00:00

imgact_gzip.c

Make MAXTSIZ, DFLDSIZ, MAXDSIZ, DFLSSIZ, MAXSSIZ, SGROWSIZ loader

2001-10-10 23:06:54 +00:00

imgact_shell.c

Return a more meaningful errno when the length of the interpreter

2001-11-28 03:26:58 +00:00

inflate.c

…

init_main.c

Lock struct pgrp, session and sigio.

2002-02-23 11:12:57 +00:00

init_sysent.c

Add stub syscalls and definitions for KSE calls.

2002-02-19 02:40:31 +00:00

kern_acct.c

Lock struct pgrp, session and sigio.

2002-02-23 11:12:57 +00:00

kern_acl.c

o Scatter vn_start_write() and vn_finished_write() through ACL code so

2002-02-04 17:58:15 +00:00

kern_cap.c

- Attempt to help declutter kern. sysctl by moving security out from

2002-01-16 06:55:30 +00:00

kern_clock.c

MFS: synchronize the code with the version in -stable, specifically:

2002-02-11 23:56:18 +00:00

kern_condvar.c

In a threaded world, differnt priorirites become properties of

2002-02-11 20:37:54 +00:00

kern_conf.c

(Doing that whole test-immediately-after-commit-thing like obrien sez:)

2002-02-16 17:44:43 +00:00

kern_descrip.c

Lock struct pgrp, session and sigio.

2002-02-23 11:12:57 +00:00

kern_environment.c

Fix an inverted test csae. Success of getenv() is determined by a return

2001-10-25 17:22:31 +00:00

kern_event.c

Add entry for EVFILT_NETDEV, which was inadverdently omitted back in Sept.

2002-01-24 17:20:55 +00:00

kern_exec.c

Pre-KSE/M3 commit.

2002-02-07 20:58:47 +00:00

kern_exit.c

Lock struct pgrp, session and sigio.

2002-02-23 11:12:57 +00:00

kern_fork.c

Lock struct pgrp, session and sigio.

2002-02-23 11:12:57 +00:00

kern_idle.c

Pre-KSE/M3 commit.

2002-02-07 20:58:47 +00:00

kern_intr.c

MFS: synchronize the code with the version in -stable, specifically:

2002-02-11 23:56:18 +00:00

kern_jail.c

- Attempt to help declutter kern. sysctl by moving security out from

2002-01-16 06:55:30 +00:00

kern_kthread.c

Fix a couple of style bugs introduced (or touched by) previous commit.

2002-02-07 23:06:26 +00:00

kern_ktr.c

Print parm6 too in the !KTR_EXTEND case.

2002-01-01 21:47:38 +00:00

kern_ktrace.c

Lock struct pgrp, session and sigio.

2002-02-23 11:12:57 +00:00

kern_linker.c

- Whitespace fixes leftover from previous commit.

2002-02-22 13:43:56 +00:00

kern_lock.c

Fix a BUF_TIMELOCK race against BUF_LOCK and fix a deadlock in vget()

2001-12-20 22:42:27 +00:00

kern_lockf.c

make LOCKF_DEBUG kernel option work (sorta)

2001-12-02 12:47:25 +00:00

kern_malloc.c

KSE Milestone 2

2001-09-12 08:38:13 +00:00

kern_mib.c

- Attempt to help declutter kern. sysctl by moving security out from

2002-01-16 06:55:30 +00:00

kern_module.c

- Whitespace fixup left over from previous commit.

2002-02-22 13:33:10 +00:00

kern_mtxpool.c

cast hashing index to (int)(intptr_t) for calculation.

2001-11-19 00:20:36 +00:00

kern_mutex.c

Tidy up some unused variables

2002-02-20 21:25:44 +00:00

kern_ntptime.c

Revise timercounters to use binary fixed point format internally.

2002-02-07 21:21:55 +00:00

kern_physio.c

…

kern_poll.c

Make this compile after changes to kse structures.

2002-02-15 02:50:07 +00:00

kern_proc.c

Lock struct pgrp, session and sigio.

2002-02-23 11:12:57 +00:00

kern_prot.c

Lock struct pgrp, session and sigio.

2002-02-23 11:12:57 +00:00

kern_random.c

Load the current timecounter into tc. The timecounter global can change

2002-02-18 19:49:30 +00:00

kern_resource.c

Lock struct pgrp, session and sigio.

2002-02-23 11:12:57 +00:00

kern_sema.c

Repeat after me -- "Use of ANSI string concatenation can be bad."

2001-12-10 05:40:12 +00:00

kern_shutdown.c

Replace accidentally removed setrunqueue()

2002-02-09 01:38:16 +00:00

kern_sig.c

Lock struct pgrp, session and sigio.

2002-02-23 11:12:57 +00:00

kern_subr.c

In a threaded world, differnt priorirites become properties of

2002-02-11 20:37:54 +00:00

kern_switch.c

In a threaded world, differnt priorirites become properties of

2002-02-11 20:37:54 +00:00

kern_sx.c

Invert the test of sx_xholder for SX_LOCKED. We need to warn if a

2002-01-18 09:21:15 +00:00

kern_synch.c

Convert p->p_runtime and PCPU(switchtime) to bintime format.

2002-02-22 13:32:01 +00:00

kern_syscalls.c

KSE Milestone 2

2001-09-12 08:38:13 +00:00

kern_sysctl.c

Add code to export and print the description associated to sysctl

2001-12-16 02:55:41 +00:00

kern_tc.c

Use better scaling factor for NTPs correction.

2002-02-22 12:59:20 +00:00

kern_time.c

Take the common case of gettimeofday(&tv, NULL) out from under Giant.

2002-02-18 08:40:28 +00:00

kern_timeout.c

Move most of the kernel submap initialization code, including the

2001-08-22 04:07:27 +00:00

kern_xxx.c

KSE Milestone 2

2001-09-12 08:38:13 +00:00

ksched.c

In a threaded world, differnt priorirites become properties of

2002-02-11 20:37:54 +00:00

link_aout.c

Since we used '#ifdef __i386__', don't close with '#endif /* !__alpha__ */'

2001-11-24 10:11:14 +00:00

link_elf_obj.c

Fix a number of misspellings of "dependency" and "dependencies" in

2001-11-16 21:08:40 +00:00

link_elf.c

Fix a number of misspellings of "dependency" and "dependencies" in

2001-11-16 21:08:40 +00:00

linker_if.m

Add the sysctl "kern.function_list", which currently exports all

2001-10-30 15:21:45 +00:00

Make.tags.inc

Update pathnames for creation of tags file.

2001-12-05 01:23:21 +00:00

Makefile

Don't generate <sys/syscalls-hide.h> it has never had any users anywhere in

2001-10-13 09:17:49 +00:00

makeobjops.pl

Switch warnings and strict back on again in a way that's compatible

2001-11-16 02:02:42 +00:00

makesyscalls.sh

Oops, fix previous commit to not generate a C comment in syscall.mk.

2002-01-30 15:12:12 +00:00

md4c.c

…

md5c.c

…

p1003_1b.c

Pre-KSE/M3 commit.

2002-02-07 20:58:47 +00:00

posix4_mib.c

…

subr_acl_posix1e.c

o Scatter vn_start_write() and vn_finished_write() through ACL code so

2002-02-04 17:58:15 +00:00

subr_autoconf.c

…

subr_blist.c

With Alfred's permission, remove vm_mtx in favor of a fine-grained approach

2001-07-04 16:20:28 +00:00

subr_bus.c

Fixed an apparent typo ("-" before ":") and an English error (comma

2001-12-28 18:32:13 +00:00

subr_clist.c

…

subr_devstat.c

GC: BIO_ORDERED, various infrastructure dealing with BIO_ORDERED.

2002-02-22 09:26:35 +00:00

subr_disk.c

Don't call cdevsw_add().

2001-11-04 11:56:22 +00:00

subr_disklabel.c

GC: BIO_ORDERED, various infrastructure dealing with BIO_ORDERED.

2002-02-22 09:26:35 +00:00

subr_diskmbr.c

Wrap Dangerously Dedicated printf under if (bootverbose)

2001-12-11 05:35:43 +00:00

subr_diskslice.c

Uninlined most of the bloated inline functions in <sys/disklabel.h>. Some

2002-01-17 18:33:18 +00:00

subr_eventhandler.c

KSE Milestone 2

2001-09-12 08:38:13 +00:00

subr_hints.c

Fix a fatal type mismatch (char *static_env; vs char static_env[]).

2001-09-17 21:27:41 +00:00

subr_kobj.c

…

subr_log.c

Use the passed in thread to selrecord() instead of curthread.

2001-09-21 22:46:54 +00:00

subr_mbuf.c

On the first day of Christmas bde gave to me:

2001-12-23 22:04:08 +00:00

subr_mchain.c

Add support for iovcnt greater than 1. This should resolve problems

2002-02-21 16:23:38 +00:00

subr_module.c

…

subr_param.c

Allow the kern.maxusers boot tuneable to be set to 0 (previously only

2002-02-06 01:19:19 +00:00

subr_pcpu.c

Add a per-cpu variable, cpumask, the preshifted equivalent of 1 << cpuid.

2002-01-05 09:35:50 +00:00

subr_power.c

Some fix for the recent apm module changes.

2001-11-01 16:34:07 +00:00

subr_prf.c

Lock struct pgrp, session and sigio.

2002-02-23 11:12:57 +00:00

subr_prof.c

- Change all callers of addupc_task() to check PS_PROFIL explicitly and

2001-12-18 09:06:10 +00:00

subr_rman.c

Add a rman_reserve_resource_bound() function that takes an additional

2001-12-21 21:40:55 +00:00

subr_sbuf.c

Yet a bug with extensible sbufs being marked as OVERFLOWED. This time

2002-01-24 20:57:56 +00:00

subr_scanf.c

…

subr_smp.c

Fix forward_roundrobin(). It was mistakenly using the cpu number as

2002-01-05 09:38:47 +00:00

subr_taskqueue.c

Change the preemption code for software interrupt thread schedules and

2002-01-05 08:47:13 +00:00

subr_trap.c

Make this compile.

2002-02-23 01:42:13 +00:00

subr_turnstile.c

Tidy up some unused variables

2002-02-20 21:25:44 +00:00

subr_witness.c

Lock struct pgrp, session and sigio.

2002-02-23 11:12:57 +00:00

subr_xxx.c

GC the unused einval()

2002-02-10 22:07:41 +00:00

sys_generic.c

Remove unused variables in select(2) from previous delta.

2002-01-30 19:48:25 +00:00

sys_pipe.c

SMP Lock struct file, filedesc and the global file list.

2002-01-13 11:58:06 +00:00

sys_process.c

Lock struct pgrp, session and sigio.

2002-02-23 11:12:57 +00:00

sys_socket.c

SMP Lock struct file, filedesc and the global file list.

2002-01-13 11:58:06 +00:00

syscalls.c

Add stub syscalls and definitions for KSE calls.

2002-02-19 02:40:31 +00:00

syscalls.master

Add stub syscalls and definitions for KSE calls.

2002-02-19 02:40:31 +00:00

sysv_ipc.c

Eliminate semexit_hook using at_exit(9) and rm_at_exit(9).

2001-12-30 18:55:09 +00:00

sysv_msg.c

Make AIO a loadable module.

2001-12-29 07:13:47 +00:00

sysv_sem.c

Rehash of 1.43: simply remove the comment, since it's highly redundant

2002-02-18 16:02:24 +00:00

sysv_shm.c

Make AIO a loadable module.

2001-12-29 07:13:47 +00:00

tty_compat.c

…

tty_conf.c

KSE Milestone 2

2001-09-12 08:38:13 +00:00

tty_cons.c

Fix boot -p for DDBless kernels

2001-12-11 10:21:26 +00:00

tty_pty.c

Lock struct pgrp, session and sigio.

2002-02-23 11:12:57 +00:00

tty_subr.c

…

tty_tty.c

Lock struct pgrp, session and sigio.

2002-02-23 11:12:57 +00:00

tty.c

Lock struct pgrp, session and sigio.

2002-02-23 11:12:57 +00:00

uipc_accf.c

…

uipc_domain.c

Update the comment about System initialization to reflect the use of

2001-12-08 04:20:54 +00:00

uipc_mbuf2.c

…

uipc_mbuf.c

Get rid of the twisted MFREE() macro entirely.

2002-02-05 02:00:56 +00:00

uipc_proto.c

Implement a LOCAL_PEERCRED socket option which returns a

2001-08-17 22:01:18 +00:00

uipc_sockbuf.c

Get rid of the twisted MFREE() macro entirely.

2002-02-05 02:00:56 +00:00

uipc_socket2.c

Get rid of the twisted MFREE() macro entirely.

2002-02-05 02:00:56 +00:00

uipc_socket.c

Get rid of the twisted MFREE() macro entirely.

2002-02-05 02:00:56 +00:00

uipc_syscalls.c

Fixed bug in calculation of amount of file to send when nbytes !=0 and

2002-01-22 17:32:10 +00:00

uipc_usrreq.c

Remove a bogus FILEDESC_UNLOCK.

2002-01-14 19:45:03 +00:00

vfs_acl.c

o Scatter vn_start_write() and vn_finished_write() through ACL code so

2002-02-04 17:58:15 +00:00

vfs_aio.c

Lock struct pgrp, session and sigio.

2002-02-23 11:12:57 +00:00

vfs_bio.c

GC: BIO_ORDERED, various infrastructure dealing with BIO_ORDERED.

2002-02-22 09:26:35 +00:00

vfs_cache.c

Remove cache_purgeleafdirs(), it has been #if 0 for quite some time.

2002-02-17 20:40:29 +00:00

vfs_cluster.c

Implement IO_NOWDRAIN and B_NOWDRAIN - prevents the buffer cache from blocking

2001-11-05 18:48:54 +00:00

vfs_conf.c

Remove the use of _PATH_DEV in the example.

2001-11-24 01:34:12 +00:00

vfs_default.c

Fix incorrect double-termination of vm_object. When a vm_object is

2001-10-23 01:23:41 +00:00

vfs_export.c

Fix some signed/unsigned integer confusion, and add bounds checking of

2001-09-10 11:28:07 +00:00

vfs_extattr.c

Make sure to hold vnode lock when calling into VOP_GETATTR().

2002-02-10 21:44:30 +00:00

vfs_init.c

…

vfs_lookup.c

Include sys/_lock.h and sys/_mutex.h to reduce namespace pollution.

2002-01-13 21:37:49 +00:00

vfs_mount.c

Remove the use of _PATH_DEV in the example.

2001-11-24 01:34:12 +00:00

vfs_subr.c

Make v_addpollinfo() visible and non-inline.

2002-02-18 16:18:02 +00:00

vfs_syscalls.c

Make sure to hold vnode lock when calling into VOP_GETATTR().

2002-02-10 21:44:30 +00:00

vfs_vnops.c

Lock struct pgrp, session and sigio.

2002-02-23 11:12:57 +00:00

vnode_if.pl

Throw the $FreeBSD$s back in, properly escaping them.

2002-01-04 05:27:47 +00:00

vnode_if.src

Per discussion at BSDCon, note that the vop_getattr locking protocol

2002-02-18 00:22:57 +00:00