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6e21afd40c
freebsd-dev/sys/kern
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John Baldwin 6e21afd40c Add two new function pointers 'lc_lock' and 'lc_unlock' to lock classes. 
These functions are intended to be used to drop a lock and then reacquire
it when doing an sleep such as msleep(9).  Both functions accept a
'struct lock_object *' as their first parameter.  The 'lc_unlock' function
returns an integer that is then passed as the second paramter to the
subsequent 'lc_lock' function.  This can be used to communicate state.
For example, sx locks and rwlocks use this to indicate if the lock was
share/read locked vs exclusive/write locked.

Currently, spin mutexes and lockmgr locks do not provide working lc_lock
and lc_unlock functions.
2007-03-09 16:27:11 +00:00
..
bus_if.m o break newbus api: add a new argument of type driver_filter_t to 2007-02-23 12:19:07 +00:00
clock_if.m
cpufreq_if.m
device_if.m
genassym.sh
imgact_aout.c
imgact_elf32.c
imgact_elf64.c
imgact_elf.c Use FOREACH_PROC_IN_SYSTEM instead of using its unrolled form. 2007-01-17 14:58:53 +00:00
imgact_gzip.c
imgact_shell.c
inflate.c
init_main.c - Remove setrunqueue and replace it with direct calls to sched_add(). 2007-01-23 08:46:51 +00:00
init_sysent.c This commits the remake in kern/ make sysent to get 2006-11-03 18:57:49 +00:00
kern_acct.c Remove 'MPSAFE' annotations from the comments above most system calls: all 2007-03-04 22:36:48 +00:00
kern_alq.c Backout rev 1.17, msleep() can't be used with a spinlock. 2007-03-06 12:08:38 +00:00
kern_clock.c Instead of doing comparisons using the pcpu area to see if 2007-03-08 06:44:34 +00:00
kern_condvar.c Add second sleep queue so that sx and lockmgr can have separate sleep 2006-12-16 06:54:09 +00:00
kern_conf.c Use int instead of u_int for the 'extra' argument to the 2007-02-02 22:27:45 +00:00
kern_context.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
kern_cpu.c
kern_descrip.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
kern_environment.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
kern_event.c Remove 'MPSAFE' annotations from the comments above most system calls: all 2007-03-04 22:36:48 +00:00
kern_exec.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
kern_exit.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
kern_fork.c Remove 'MPSAFE' annotations from the comments above most system calls: all 2007-03-04 22:36:48 +00:00
kern_idle.c - Remove setrunqueue and replace it with direct calls to sched_add(). 2007-01-23 08:46:51 +00:00
kern_intr.c - Don't do the interrupt storm protection stuff for software interrupt 2007-03-02 17:01:45 +00:00
kern_jail.c Minor simplification. 2007-03-09 05:22:10 +00:00
kern_kse.c After the last change to KSE threading a bug was introduced where 2007-03-07 20:17:41 +00:00
kern_kthread.c - Remove setrunqueue and replace it with direct calls to sched_add(). 2007-01-23 08:46:51 +00:00
kern_ktr.c Remove slightly oddly placed suser() call from the KTR/ALQ setup sysctl: 2006-09-09 16:09:01 +00:00
kern_ktrace.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
kern_linker.c Remove 'MPSAFE' annotations from the comments above most system calls: all 2007-03-04 22:36:48 +00:00
kern_lock.c Add two new function pointers 'lc_lock' and 'lc_unlock' to lock classes. 2007-03-09 16:27:11 +00:00
kern_lockf.c
kern_malloc.c Increase usefulness of "show malloc" by moving from displaying the basic 2006-10-26 10:17:13 +00:00
kern_mbuf.c Fix for problems that occur when all mbuf clusters migrate to the mbuf packet 2007-01-25 01:05:23 +00:00
kern_mib.c
kern_module.c Remove 'MPSAFE' annotations from the comments above most system calls: all 2007-03-04 22:36:48 +00:00
kern_mtxpool.c
kern_mutex.c Add two new function pointers 'lc_lock' and 'lc_unlock' to lock classes. 2007-03-09 16:27:11 +00:00
kern_ntptime.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
kern_physio.c
kern_pmc.c
kern_poll.c Threading cleanup.. part 2 of several. 2006-12-06 06:34:57 +00:00
kern_priv.c Add a new priv(9) kernel interface for checking the availability of 2006-11-06 13:37:19 +00:00
kern_proc.c Threading cleanup.. part 2 of several. 2006-12-06 06:34:57 +00:00
kern_prot.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
kern_resource.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
kern_rwlock.c Add two new function pointers 'lc_lock' and 'lc_unlock' to lock classes. 2007-03-09 16:27:11 +00:00
kern_sema.c
kern_shutdown.c Remove 'MPSAFE' annotations from the comments above most system calls: all 2007-03-04 22:36:48 +00:00
kern_sig.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
kern_subr.c Removes useless (flags | ) KASSERT. The ^ one that actually 2007-01-16 11:40:55 +00:00
kern_switch.c - Change types for necent runq additions to u_char rather than int. 2007-02-08 01:52:25 +00:00
kern_sx.c Add two new function pointers 'lc_lock' and 'lc_unlock' to lock classes. 2007-03-09 16:27:11 +00:00
kern_synch.c Instead of doing comparisons using the pcpu area to see if 2007-03-08 06:44:34 +00:00
kern_syscalls.c Make system call modules a bit more robust: 2006-08-01 16:32:20 +00:00
kern_sysctl.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
kern_tc.c Commit the results of the typo hunt by Darren Pilgrim. 2006-08-04 07:56:35 +00:00
kern_thr.c - Remove setrunqueue and replace it with direct calls to sched_add(). 2007-01-23 08:46:51 +00:00
kern_thread.c Over NFS, an open() call could result in multiple over-the-wire 2007-03-09 04:02:38 +00:00
kern_time.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
kern_timeout.c Improve ktr(4) logging for callout(9) subsystem. Log all inserts and 2006-10-11 14:57:03 +00:00
kern_umtx.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
kern_uuid.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
kern_xxx.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
ksched.c Threading cleanup.. part 2 of several. 2006-12-06 06:34:57 +00:00
link_elf_obj.c Linker set support depends on the magic __start_<section> and 2006-11-30 10:50:29 +00:00
link_elf.c Mark the kernel linker file as linked so that it is visible to the various 2007-02-26 16:48:14 +00:00
linker_if.m
Make.tags.inc Makefile changes to reflect moving sys/isofs/cd9660 to sys/fs/cd9660. 2007-02-11 14:01:32 +00:00
Makefile Add support for the generated file systrace_args.c. 2006-08-05 19:25:14 +00:00
makesyscalls.sh Merge posix4/* into normal kernel hierarchy. 2006-11-11 16:26:58 +00:00
md4c.c
md5c.c
p1003_1b.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
posix4_mib.c Fix mispatch of includes list; allows my kernel to build successfully. 2006-11-12 03:34:03 +00:00
sched_4bsd.c Use pause() rather than tsleep() on stack variables and function pointers. 2007-02-27 17:23:29 +00:00
sched_core.c Instead of doing comparisons using the pcpu area to see if 2007-03-08 06:44:34 +00:00
sched_ule.c Instead of doing comparisons using the pcpu area to see if 2007-03-08 06:44:34 +00:00
serdev_if.m MFp4: Add the ipend() method to the serdev I/F to allow umbrella 2006-04-23 22:12:39 +00:00
subr_acl_posix1e.c Sweep kernel replacing suser(9) calls with priv(9) calls, assigning 2006-11-06 13:42:10 +00:00
subr_autoconf.c Add a mutex to protect the list of interrupt config hooks. We do assume 2006-07-19 18:53:56 +00:00
subr_blist.c
subr_bus.c Use NULL rather than 0 for various pointer constants. 2007-02-26 19:28:18 +00:00
subr_clist.c
subr_clock.c Use utc_offset() where applicable, and hide the internals of it 2006-10-02 18:23:37 +00:00
subr_devstat.c
subr_disk.c Add a new I/O request - BIO_FLUSH, which basically tells providers below to 2006-10-31 21:11:21 +00:00
subr_eventhandler.c
subr_fattime.c Better naming of fattime conversion functions, they do convert to timespec 2006-10-24 10:27:23 +00:00
subr_firmware.c Cleanup and document the implementation of firmware(9) based on 2007-02-15 17:21:31 +00:00
subr_hints.c Use a sleep mutex instead of an sx lock for the kernel environment. This 2006-07-09 21:42:58 +00:00
subr_kdb.c Add a funny sysctl: debug.kdb.trap_code . 2006-06-18 12:27:59 +00:00
subr_kobj.c
subr_lock.c general LOCK_PROFILING cleanup 2007-02-26 08:26:44 +00:00
subr_log.c
subr_mbpool.c
subr_mchain.c
subr_module.c
subr_msgbuf.c
subr_param.c
subr_pcpu.c
subr_power.c
subr_prf.c Instead of doing comparisons using the pcpu area to see if 2007-03-08 06:44:34 +00:00
subr_prof.c Remove 'MPSAFE' annotations from the comments above most system calls: all 2007-03-04 22:36:48 +00:00
subr_rman.c Fix a case in rman_manage_region() where the resource list would get missorted. 2007-02-23 22:53:56 +00:00
subr_rtc.c Use utc_offset() where applicable, and hide the internals of it 2006-10-02 18:23:37 +00:00
subr_sbuf.c
subr_scanf.c
subr_sleepqueue.c Cleaner fix for handling declaration of loop variable under INVARIANTS 2006-12-17 00:14:20 +00:00
subr_smp.c Instead of doing comparisons using the pcpu area to see if 2007-03-08 06:44:34 +00:00
subr_stack.c Correct typos 2006-05-28 22:15:28 +00:00
subr_taskqueue.c - Remove setrunqueue and replace it with direct calls to sched_add(). 2007-01-23 08:46:51 +00:00
subr_trap.c Remove 'MPSAFE' annotations from the comments above most system calls: all 2007-03-04 22:36:48 +00:00
subr_turnstile.c - Remove setrunqueue and replace it with direct calls to sched_add(). 2007-01-23 08:46:51 +00:00
subr_unit.c
subr_witness.c Remove unnecessary privilege and privilege check for WITNESS sysctl. 2007-02-20 23:49:31 +00:00
sys_generic.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
sys_pipe.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
sys_process.c Remove 'MPSAFE' annotations from the comments above most system calls: all 2007-03-04 22:36:48 +00:00
sys_socket.c Move to ANSI C function headers. Re-wrap some comments. 2007-03-04 17:50:46 +00:00
syscalls.c This commits the remake in kern/ make sysent to get 2006-11-03 18:57:49 +00:00
syscalls.master Ok, here it is, we finally add SCTP to current. Note that this 2006-11-03 15:23:16 +00:00
systrace_args.c Ok, here it is, we finally add SCTP to current. Note that this 2006-11-03 15:23:16 +00:00
sysv_ipc.c Sync up PRIV_IPC_{ADMIN,READ,WRITE} priv checks in ipcperm() with 2007-02-20 00:06:59 +00:00
sysv_msg.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
sysv_sem.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
sysv_shm.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
tty_compat.c
tty_conf.c
tty_cons.c Sweep kernel replacing suser(9) calls with priv(9) calls, assigning 2006-11-06 13:42:10 +00:00
tty_pts.c Canonicalize copyrights in some files I hold copyrights on: 2007-01-08 17:49:59 +00:00
tty_pty.c Sweep kernel replacing suser(9) calls with priv(9) calls, assigning 2006-11-06 13:42:10 +00:00
tty_subr.c
tty_tty.c Use ctty instead of just returning. ctty just has a simple open that 2006-09-27 16:41:15 +00:00
tty.c Back out rev. 1.266. The real cause for the recent panics has been fixed 2006-12-20 02:49:59 +00:00
uipc_accf.c
uipc_cow.c
uipc_debug.c Teach DDB how to print sockets, socket buffers, protosw's, and domain 2007-02-15 01:28:22 +00:00
uipc_domain.c soreceive_generic(), and sopoll_generic(). Add new functions sosend(), 2006-07-24 15:20:08 +00:00
uipc_mbuf2.c Complete break-out of sys/sys/mac.h into sys/security/mac/mac_framework.h 2006-10-22 11:52:19 +00:00
uipc_mbuf.c Unbreak writes of 0 bytes. Zero byte writes happen when only ancillary 2007-01-22 14:50:28 +00:00
uipc_mqueue.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
uipc_sem.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
uipc_sockbuf.c Use sysctl_handle_long() instead of duplicating it's logic for 2006-09-06 21:59:36 +00:00
uipc_socket2.c Change two XXX's to two notes: the fact that SOCK_LOCK(so) == 2006-08-02 16:23:52 +00:00
uipc_socket.c Don't block on the socket zone limit during the socket() 2007-02-26 10:45:21 +00:00
uipc_syscalls.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
uipc_usrreq.c Remove two simultaneous acquisitions of multiple unpcb locks from 2007-03-01 09:00:42 +00:00
vfs_acl.c Replay minor system call comment cleanup applied to kern_acl.c in a race 2007-03-05 13:26:07 +00:00
vfs_aio.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
vfs_bio.c Instead of doing comparisons using the pcpu area to see if 2007-03-08 06:44:34 +00:00
vfs_cache.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
vfs_cluster.c Change these descriptions of memory types used in malloc(9), as their 2007-03-05 00:21:40 +00:00
vfs_default.c Remove VFS_VPTOFH entirely. API is already broken and it is good time to 2007-02-16 17:32:41 +00:00
vfs_export.c Move vnode-to-file-handle translation from vfs_vptofh to vop_vptofh method. 2007-02-15 22:08:35 +00:00
vfs_extattr.c Update comments to reflect changes in the extattrctl() code. 2006-12-23 00:30:03 +00:00
vfs_hash.c In vfs_hash_get(): mount point should never be changed 2006-04-18 08:05:08 +00:00
vfs_init.c Remove VFS_VPTOFH entirely. API is already broken and it is good time to 2007-02-16 17:32:41 +00:00
vfs_lookup.c If both ISDOTDOT and NOCROSSMOUNT are set then lookup() might breaks out 2007-02-15 09:53:49 +00:00
vfs_mount.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
vfs_subr.c change vop_lock handling to allowing tracking of callers' file and line for 2006-11-13 05:51:22 +00:00
vfs_syscalls.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
vfs_vnops.c Add a VNASSERT to vn_close to detect if v_writecount is going 2007-02-12 22:53:01 +00:00
vnode_if.src Move vnode-to-file-handle translation from vfs_vptofh to vop_vptofh method. 2007-02-15 22:08:35 +00:00