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1bba2a940b
freebsd-dev/sys/kern
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John Baldwin 1bba2a940b Move cpu_exit() earlier in exit1() to close a race between 
SIGCHLD/kevent(2) notification of process termination and wait().  Now
we no longer drop locks between sending the notification and marking
the process as a zombie.  Previously, if another process attempted to do
a wait() with W_NOHANG after receiving a SIGCHLD or kevent and locked
the process while the exiting thread was in cpu_exit(), then wait() would
fail to find the process, which is quite astonishing to the process
calling wait().

MFC after:	3 days
2007-05-14 22:21:58 +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 Align 'struct thread' on 16 byte boundaries so that the lower 4 bits are 2007-03-27 16:51:34 +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 Use sx_sleep() in the main loop of the accounting kthread. 2007-03-09 23:29:31 +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 Fix a potential LOR with sx_sleep() and cv_wait() with sx locks by 2007-05-08 21:49:59 +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 Add an interface for drivers to be notified of changes to CPU frequency. 2007-03-26 18:03:29 +00:00
kern_descrip.c Mark the filedescriptor table entries with VOP_OPEN being performed for them 2007-05-04 14:23:29 +00:00
kern_environment.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
kern_event.c Replace custom file descriptor array sleep lock constructed using a mutex 2007-04-04 09:11:34 +00:00
kern_exec.c Update a comment: we usually call exec_vmspace_new with Giant not held, 2007-03-25 10:05:44 +00:00
kern_exit.c Move cpu_exit() earlier in exit1() to close a race between 2007-05-14 22:21:58 +00:00
kern_fork.c Replace custom file descriptor array sleep lock constructed using a mutex 2007-04-04 09:11:34 +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 Bring in the reminaing bits to make interrupt filtering work: 2007-05-06 17:02:50 +00:00
kern_jail.c Fix jails and jail-friendly file systems handling: 2007-04-13 23:54:22 +00:00
kern_kse.c Rename the 'mtx_object', 'rw_object', and 'sx_object' members of mutexes, 2007-03-21 21:20:51 +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 MAC Framework access control check entry points made redundant with 2007-04-22 15:31:22 +00:00
kern_lock.c - Use lock_init/lock_destroy() to setup the lock_object inside of lockmgr. 2007-03-30 18:07:24 +00:00
kern_lockf.c
kern_malloc.c Add support for specifying a minimal size for vm.kmem_size in the loader via 2007-04-21 01:14:48 +00:00
kern_mbuf.c Fix mb_ctor_clust and mb_dtor_clust to reference the appropriate zone, 2007-04-04 21:27:01 +00:00
kern_mib.c Improve INCLUDE_CONFIG_FILE support. 2007-05-12 19:38:18 +00:00
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 Teach 'show lock' to properly handle a destroyed mutex. 2007-05-08 21:50:46 +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 Stop setting ki_ocomm (thread name) to the proc name by default, as nothing 2007-03-23 04:01:08 +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 destroyed cookie values for sx locks and rwlocks as well as extra 2007-05-08 21:51:37 +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 Rename the 'mtx_object', 'rw_object', and 'sx_object' members of mutexes, 2007-03-21 21:20:51 +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 destroyed cookie values for sx locks and rwlocks as well as extra 2007-05-08 21:51:37 +00:00
kern_synch.c Fix a potential LOR with sx_sleep() and cv_wait() with sx locks by 2007-05-08 21:49:59 +00:00
kern_syscalls.c
kern_sysctl.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
kern_tc.c
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 Align 'struct thread' on 16 byte boundaries so that the lower 4 bits are 2007-03-27 16:51:34 +00:00
kern_time.c Remove MAC Framework access control check entry points made redundant with 2007-04-22 15:31:22 +00:00
kern_timeout.c Make the TCP timer callout obtain Giant if the network stack is marked 2007-05-11 20:52:47 +00:00
kern_umtx.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
kern_uuid.c Correct typo. 2007-04-23 12:53:00 +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 Update entries for building tags. 2007-05-13 18:21:54 +00:00
Makefile
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 Schedule the ithread on the same cpu as the interrupt 2007-04-20 05:45:46 +00:00
serdev_if.m
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
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
subr_kdb.c
subr_kobj.c
subr_lock.c skip call to _lock_profile_obtain_lock_success entirely if acquisition time is non-zero 2007-04-03 18:36:27 +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 Complete removal of restriction about overlaps to rman_manage_region: 2007-04-28 07:37:49 +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
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 Fix witness(4) warnings about mutex use. 2007-04-19 08:02:51 +00:00
sys_generic.c Remove unneeded include files. 2007-05-01 06:35:54 +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 Avoid manipulating semu_list outside of the scope of SEMUNDO_LOCK(). This 2007-03-26 17:41:14 +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 sblock() implements a sleep lock by interlocking SB_WANT and SB_LOCK flags 2007-05-03 14:42:42 +00:00
uipc_domain.c
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 remove now invalid check from m_sanity 2007-04-14 20:19:16 +00:00
uipc_mqueue.c Remove now-obsolete comment regarding mqueue privileges in jail. 2007-04-11 16:22:59 +00:00
uipc_sem.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
uipc_sockbuf.c sblock() implements a sleep lock by interlocking SB_WANT and SB_LOCK flags 2007-05-03 14:42:42 +00:00
uipc_socket.c Add missing socket buffer unlock before returning to userland. 2007-05-08 12:34:14 +00:00
uipc_syscalls.c sblock() implements a sleep lock by interlocking SB_WANT and SB_LOCK flags 2007-05-03 14:42:42 +00:00
uipc_usrreq.c Remove more one more stale comment regarding unpcb type-safety. 2007-05-11 12:28:45 +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 Disable nesting of BOP_BDFLUSH(). VOP_FSYNC() call in bdwrite() could 2007-04-24 10:59:21 +00:00
vfs_cache.c Replace custom file descriptor array sleep lock constructed using a mutex 2007-04-04 09:11:34 +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 Make insmntque() externally visibile and allow it to fail (e.g. during 2007-03-13 01:50:27 +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 Replace custom file descriptor array sleep lock constructed using a mutex 2007-04-04 09:11:34 +00:00
vfs_mount.c Allow the dounmount() to proceed even for doomed coveredvp. 2007-04-26 08:56:56 +00:00
vfs_subr.c Fix jails and jail-friendly file systems handling: 2007-04-13 23:54:22 +00:00
vfs_syscalls.c Mark the filedescriptor table entries with VOP_OPEN being performed for them 2007-05-04 14:23:29 +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