Konstantin Belousov aab4f50170 Prevent the hiwatermark for the unix domain socket from becoming ... effectively negative. Often seen as upstream fastcgi connection timeouts in nginx when using sendfile over unix domain sockets for communication. Sendfile(2) may send more bytes then currently allowed by the hiwatermark of the socket, e.g. because the so_snd sockbuf lock is dropped after sbspace() call in the kern_sendfile() loop. In this case, recalculated hiwatermark will overflow. Since lowatermark is renewed as half of the hiwatermark by sendfile code, and both are unsigned, the send buffer never reaches the free space requested by lowatermark, causing indefinite wait in sendfile. Reviewed by: rwatson Approved by: re (bz) MFC after: 2 weeks		2011-08-20 16:12:29 +00:00
..
bus_if.m	Add a new bus method, BUS_ADJUST_RESOURCE() that is intended to be a	2011-04-29 21:36:45 +00:00
capabilities.conf	Add experimental support for process descriptors	2011-08-18 22:51:30 +00:00
clock_if.m
cpufreq_if.m
device_if.m	Update comments for DEVICE_PROBE() to reflect that BUS_PROBE_DEFAULT is	2011-05-24 13:22:40 +00:00
genassym.sh
imgact_aout.c	Do not trash the argv[0] pointer for an a.out process on amd64.	2011-06-16 22:00:59 +00:00
imgact_elf32.c
imgact_elf64.c
imgact_elf.c	All the racct_*() calls need to happen with the proc locked. Fixing this	2011-07-06 20:06:44 +00:00
imgact_gzip.c
imgact_shell.c
inflate.c
init_main.c	Add experimental support for process descriptors	2011-08-18 22:51:30 +00:00
init_sysent.c	Auto-generated system call code based on r224987.	2011-08-18 23:08:52 +00:00
kern_acct.c
kern_alq.c
kern_clock.c	- Remove the eintrcnt/eintrnames usage and introduce the concept of	2011-07-18 15:19:40 +00:00
kern_clocksource.c	Set negative quality to TSC timecounter when C3 state is enabled for Intel	2011-06-22 16:40:45 +00:00
kern_condvar.c
kern_conf.c	Fix the devmtx lock leak from make_dev(9) when the old device cloning	2011-07-30 14:12:37 +00:00
kern_cons.c
kern_context.c
kern_cpu.c
kern_cpuset.c	Fix KTR_CPUMASK in order to accept a string representing a cpuset_t.	2011-05-31 20:48:58 +00:00
kern_ctf.c
kern_descrip.c	Add experimental support for process descriptors	2011-08-18 22:51:30 +00:00
kern_dtrace.c
kern_environment.c	In init_dynamic_kenv(), ignore environment strings exceeding the	2011-05-23 16:40:44 +00:00
kern_et.c
kern_event.c	Add the fo_chown and fo_chmod methods to struct fileops and use them	2011-08-16 20:07:47 +00:00
kern_exec.c	Second-to-last commit implementing Capsicum capabilities in the FreeBSD	2011-08-11 12:30:23 +00:00
kern_exit.c	Add experimental support for process descriptors	2011-08-18 22:51:30 +00:00
kern_fail.c	Add an option to have a fail point term only execute when run by a	2011-07-08 20:41:12 +00:00
kern_fork.c	Add experimental support for process descriptors	2011-08-18 22:51:30 +00:00
kern_gzio.c
kern_hhook.c
kern_idle.c	On multi-core, multi-threaded PPC systems, it is important that the threads	2011-05-31 15:11:43 +00:00
kern_intr.c	- Remove the eintrcnt/eintrnames usage and introduce the concept of	2011-07-18 15:19:40 +00:00
kern_jail.c	Always disable mount and unmount for jails with enforce_statfs==2.	2011-08-02 19:44:40 +00:00
kern_khelp.c
kern_kthread.c	Add experimental support for process descriptors	2011-08-18 22:51:30 +00:00
kern_ktr.c	Fix KTR_CPUMASK in order to accept a string representing a cpuset_t.	2011-05-31 20:48:58 +00:00
kern_ktrace.c
kern_linker.c	Don't leak kld_sx lock in kldunloadf().	2011-07-31 13:49:15 +00:00
kern_lock.c	Fix the LK_NOSHARE lockmgr flag interaction with LK_UPGRADE and	2011-08-01 19:07:03 +00:00
kern_lockf.c
kern_lockstat.c
kern_loginclass.c
kern_malloc.c
kern_mbuf.c
kern_mib.c	Define two new sysctl node flags: CTLFLAG_CAPRD and CTLFLAG_CAPRW, which	2011-07-17 23:05:24 +00:00
kern_module.c
kern_mtxpool.c
kern_mutex.c
kern_ntptime.c
kern_osd.c
kern_physio.c
kern_pmc.c	Commit the support for removing cpumask_t and replacing it directly with	2011-05-05 14:39:14 +00:00
kern_poll.c
kern_priv.c
kern_proc.c	One of the general principles of the sysctl(3) API is that a user can	2011-08-18 22:20:45 +00:00
kern_prot.c
kern_racct.c	Rename resource names to match these in login.conf.	2011-07-14 19:18:17 +00:00
kern_rctl.c	Rename resource names to match these in login.conf.	2011-07-14 19:18:17 +00:00
kern_resource.c	- Export each thread's individual resource usage in in struct kinfo_proc's	2011-07-18 17:33:08 +00:00
kern_rmlock.c	Remove pc_cpumask and pc_other_cpus usage from MI code.	2011-06-13 13:28:31 +00:00
kern_rwlock.c
kern_sdt.c
kern_sema.c
kern_shutdown.c	remove RESTARTABLE_PANICS option	2011-07-25 09:12:48 +00:00
kern_sig.c	Add experimental support for process descriptors	2011-08-18 22:51:30 +00:00
kern_switch.c
kern_sx.c
kern_synch.c	Simplify a stale assertion. We have not called mi_switch() from a nested	2011-05-24 13:17:08 +00:00
kern_syscalls.c
kern_sysctl.c	Define two new sysctl node flags: CTLFLAG_CAPRD and CTLFLAG_CAPRW, which	2011-07-17 23:05:24 +00:00
kern_tc.c	If TSC stops ticking in C3, disable deep sleep when the user forcefully	2011-07-14 21:00:26 +00:00
kern_thr.c	All the racct_*() calls need to happen with the proc locked. Fixing this	2011-07-06 20:06:44 +00:00
kern_thread.c
kern_time.c
kern_timeout.c
kern_umtx.c
kern_uuid.c
kern_xxx.c
ksched.c	Use p4prio_to_tsprio to calculate TS priority instead of using	2011-06-07 02:50:14 +00:00
link_elf_obj.c	Remove malloc(9) return value checks when M_WAITOK is used.	2011-04-16 16:20:51 +00:00
link_elf.c	Even if the loaded module has no symbols, we still need to notify	2011-06-16 17:41:21 +00:00
linker_if.m
Make.tags.inc	Update tags build script	2011-07-10 00:53:04 +00:00
Makefile
makesyscalls.sh
md4c.c
md5c.c
p1003_1b.c
posix4_mib.c	Define two new sysctl node flags: CTLFLAG_CAPRD and CTLFLAG_CAPRW, which	2011-07-17 23:05:24 +00:00
sched_4bsd.c	Remove pc_cpumask and pc_other_cpus usage from MI code.	2011-06-13 13:28:31 +00:00
sched_ule.c	Remove explicit MAXCPU usage from sys/pcpu.h avoiding a namespace	2011-07-19 16:50:55 +00:00
serdev_if.m
stack_protector.c
subr_acl_nfs4.c
subr_acl_posix1e.c
subr_autoconf.c
subr_blist.c
subr_bufring.c
subr_bus.c	Add a new bus method, BUS_ADJUST_RESOURCE() that is intended to be a	2011-04-29 21:36:45 +00:00
subr_clock.c
subr_devstat.c	Instead of using an atomic operation to determine whether the devstat(9)	2011-06-13 22:08:24 +00:00
subr_disk.c
subr_eventhandler.c
subr_fattime.c
subr_firmware.c
subr_hash.c
subr_hints.c
subr_kdb.c	Fix a mismerge.	2011-06-27 13:02:23 +00:00
subr_kobj.c
subr_lock.c
subr_log.c
subr_mbpool.c
subr_mchain.c
subr_module.c
subr_msgbuf.c	Fix a bug introduced in revision 222537.	2011-05-31 22:39:32 +00:00
subr_param.c
subr_pcpu.c	Remove pc_name member of struct pcpu.	2011-07-19 14:57:59 +00:00
subr_power.c
subr_prf.c	Set pca.p_bufr to NULL when we haven't allocated a buffer.	2011-06-07 05:04:37 +00:00
subr_prof.c
subr_rman.c	Clear the device_t pointer in 'struct resource' when releasing a device	2011-06-06 13:12:56 +00:00
subr_rtc.c
subr_sbuf.c	r222015 introduced a new assertion that the size of a fixed-length sbuf	2011-08-19 08:29:10 +00:00
subr_scanf.c
subr_sglist.c
subr_sleepqueue.c
subr_smp.c	smp_rendezvous: master cpu should wait until all slaves are fully done	2011-07-30 20:29:39 +00:00
subr_stack.c
subr_taskqueue.c	Implement the delayed task execution extension to the taskqueue	2011-04-26 11:39:56 +00:00
subr_trap.c	We may split today's CAPABILITIES into CAPABILITY_MODE (which has	2011-06-29 13:03:05 +00:00
subr_turnstile.c
subr_uio.c	Add a facility to disable processing page faults. When activated,	2011-07-09 15:21:10 +00:00
subr_unit.c
subr_witness.c
sys_capability.c	Add the fo_chown and fo_chmod methods to struct fileops and use them	2011-08-16 20:07:47 +00:00
sys_generic.c	poll(2) implementation for capabilities.	2011-08-16 14:14:56 +00:00
sys_pipe.c	Add the fo_chown and fo_chmod methods to struct fileops and use them	2011-08-16 20:07:47 +00:00
sys_procdesc.c	Add experimental support for process descriptors	2011-08-18 22:51:30 +00:00
sys_process.c	Add comment from CSRG rev 7.27 (1992/06/23 19:56:55; author: mckusick)	2011-06-17 21:44:13 +00:00
sys_socket.c	Add the fo_chown and fo_chmod methods to struct fileops and use them	2011-08-16 20:07:47 +00:00
syscalls.c	Auto-generated system call code based on r224987.	2011-08-18 23:08:52 +00:00
syscalls.master	Add experimental support for process descriptors	2011-08-18 22:51:30 +00:00
systrace_args.c	Auto-generated system call code based on r224987.	2011-08-18 23:08:52 +00:00
sysv_ipc.c
sysv_msg.c	All the racct_*() calls need to happen with the proc locked. Fixing this	2011-07-06 20:06:44 +00:00
sysv_sem.c	Remove semaphore map entry count "semmap" field and its tuning	2011-07-14 14:18:14 +00:00
sysv_shm.c	All the racct_*() calls need to happen with the proc locked. Fixing this	2011-07-06 20:06:44 +00:00
tty_compat.c
tty_info.c
tty_inq.c	Fix whitespace inconsistencies in the TTY layer and its drivers owned by me.	2011-06-26 18:26:20 +00:00
tty_outq.c	Fix whitespace inconsistencies in the TTY layer and its drivers owned by me.	2011-06-26 18:26:20 +00:00
tty_pts.c	Add the fo_chown and fo_chmod methods to struct fileops and use them	2011-08-16 20:07:47 +00:00
tty_tty.c
tty_ttydisc.c	Fix whitespace inconsistencies in the TTY layer and its drivers owned by me.	2011-06-26 18:26:20 +00:00
tty.c	Second-to-last commit implementing Capsicum capabilities in the FreeBSD	2011-08-11 12:30:23 +00:00
uipc_accf.c
uipc_cow.c
uipc_debug.c
uipc_domain.c
uipc_mbuf2.c
uipc_mbuf.c
uipc_mqueue.c	Add the fo_chown and fo_chmod methods to struct fileops and use them	2011-08-16 20:07:47 +00:00
uipc_sem.c	Fix build breakage. Initialize error variables explicitely for !MAC case.	2011-08-17 12:37:14 +00:00
uipc_shm.c	Fix build breakage. Initialize error variables explicitely for !MAC case.	2011-08-17 12:37:14 +00:00
uipc_sockbuf.c
uipc_socket.c	In the experimental soreceive_stream():	2011-07-08 10:50:13 +00:00
uipc_syscalls.c	Second-to-last commit implementing Capsicum capabilities in the FreeBSD	2011-08-11 12:30:23 +00:00
uipc_usrreq.c	Prevent the hiwatermark for the unix domain socket from becoming	2011-08-20 16:12:29 +00:00
vfs_acl.c	Second-to-last commit implementing Capsicum capabilities in the FreeBSD	2011-08-11 12:30:23 +00:00
vfs_aio.c	Second-to-last commit implementing Capsicum capabilities in the FreeBSD	2011-08-11 12:30:23 +00:00
vfs_bio.c	Call pmap_qremove() before freeing or unwiring the pages, otherwise	2011-07-05 18:40:37 +00:00
vfs_cache.c
vfs_cluster.c
vfs_default.c	Add a lock flags argument to the VFS_FHTOVP() file system	2011-05-22 01:07:54 +00:00
vfs_export.c
vfs_extattr.c	Second-to-last commit implementing Capsicum capabilities in the FreeBSD	2011-08-11 12:30:23 +00:00
vfs_hash.c
vfs_init.c
vfs_lookup.c	Allow Capsicum capabilities to delegate constrained	2011-08-13 09:21:16 +00:00
vfs_mount.c	Revert r224655 and r224614 because vn_fullpath* does not always work	2011-08-08 14:02:08 +00:00
vfs_mountroot.c	Include sys/sbuf.h directly.	2011-07-11 05:17:46 +00:00
vfs_subr.c	Move the MNTK_SUJ flag in mnt_kern_flag to MNT_SUJ in mnt_flag	2011-07-24 18:27:09 +00:00
vfs_syscalls.c	Add the fo_chown and fo_chmod methods to struct fileops and use them	2011-08-16 20:07:47 +00:00
vfs_vnops.c	Add the fo_chown and fo_chmod methods to struct fileops and use them	2011-08-16 20:07:47 +00:00
vnode_if.src	Correctly use INOUT for the offset/len parameters to vop_allocate. As	2011-05-13 14:29:28 +00:00