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Hans Petter Selasky 99eca1b2b3 While draining a timeout task prevent the taskqueue_enqueue_timeout()
function from restarting the timer.

Commonly taskqueue_enqueue_timeout() is called from within the task
function itself without any checks for teardown. Then it can happen
the timer stays active after the return of taskqueue_drain_timeout(),
because the timeout and task is drained separately.

This patch factors out the teardown flag into the timeout task itself,
allowing existing code to stay as-is instead of applying a teardown
flag to each and every of the timeout task consumers.

Add assert to taskqueue_drain_timeout() which prevents parallel
execution on the same timeout task.

Update manual page documenting the return value of
taskqueue_enqueue_timeout().

Differential Revision:	https://reviews.freebsd.org/D8012
Reviewed by:	kib, trasz
MFC after:	1 week
2016-09-29 10:38:20 +00:00
bin Implement multibyte encoding support for -v with fallback 2016-09-15 17:24:39 +00:00
cddl MFV r304159: 7277 zdb should be able to print zfs_dbgmsg's 2016-09-03 10:07:46 +00:00
contrib Fix conversion from C++ std::string into C const char *. 2016-09-29 09:16:02 +00:00
crypto Merge OpenSSL 1.0.2j. 2016-09-26 14:22:17 +00:00
etc Fix periodic scripts when an NFS mount covers a local mount 2016-09-20 18:47:33 +00:00
gnu Add a WITHOUT_DIALOG src.conf(5) knob 2016-09-27 18:08:38 +00:00
include Refine the dirname(3) compatibility workaround a bit more. 2016-09-21 13:03:55 +00:00
kerberos5 DIRDEPS_BUILD: Update dependencies 2016-06-14 16:55:05 +00:00
lib libm: simplify i387 subdir logic with make's :S substitution 2016-09-28 17:44:03 +00:00
libexec Use SRCTOP instead of the longhand version for defining the path to contrib/atf 2016-09-20 16:24:22 +00:00
release Use "generic" ALLWINNER_UP kernel config for Cubieboard release. 2016-09-12 16:10:47 +00:00
rescue DIRDEPS_BUILD: Build crunchide for the host. 2016-09-01 23:52:25 +00:00
sbin Indicate that this is a locally administered MAC address. 2016-09-27 17:37:23 +00:00
secure Merge OpenSSL 1.0.2j. 2016-09-26 14:22:17 +00:00
share While draining a timeout task prevent the taskqueue_enqueue_timeout() 2016-09-29 10:38:20 +00:00
sys While draining a timeout task prevent the taskqueue_enqueue_timeout() 2016-09-29 10:38:20 +00:00
targets DIRDEPS_BUILD: Connect new directories. 2016-09-23 22:46:19 +00:00
tests Increase timeouts for geli tests. It takes 2-3x more time to proceed the 2016-09-28 08:11:00 +00:00
tools Add a WITHOUT_DIALOG src.conf(5) knob 2016-09-27 18:08:38 +00:00
usr.bin Add a WITHOUT_DIALOG src.conf(5) knob 2016-09-27 18:08:38 +00:00
usr.sbin portsnap: only move expected snapshot contents from snap/ to files/ 2016-09-28 21:22:51 +00:00
.arcconfig callsign isn't required anymore 2016-09-29 06:19:45 +00:00
.arclint phabricator related changes: 2015-04-20 20:33:22 +00:00
COPYRIGHT Bump copyright year. 2015-12-31 11:21:45 +00:00
LOCKS Explicitly require Security Officer's approval for kernel PRNG bits. 2013-09-17 14:19:05 +00:00
MAINTAINERS Remove myself from kern_timeout.c yeah! 2016-07-27 20:37:32 +00:00
Makefile Import OpenSSL 1.0.2j. 2016-09-26 14:13:11 +00:00
Makefile.inc1 Add a WITHOUT_DIALOG src.conf(5) knob 2016-09-27 18:08:38 +00:00
Makefile.libcompat Fix in-tree GCC builds after r304681. 2016-08-23 19:29:37 +00:00
ObsoleteFiles.inc Add more obsolete files 2016-09-11 19:51:32 +00:00
README Import OpenSSL 1.0.2j. 2016-09-26 14:13:11 +00:00
UPDATING Relocatable object files are renamed from *.So to *.pico 2016-09-25 16:39:18 +00:00

This is the top level of the FreeBSD source directory.  This file
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For copyright information, please see the file COPYRIGHT in this
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The Makefile in this directory supports a number of targets for
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The `buildkernel` and `installkernel` targets build and install
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the Makefile in this directory for more information on the
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Building a kernel is a somewhat more involved process.  See build(7), config(8),
and http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html
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Note: If you want to build and install the kernel with the
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The kernel configuration files reside in the sys/<arch>/conf
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---------------

bin		System/user commands.

cddl		Various commands and libraries under the Common Development
		and Distribution License.

contrib		Packages contributed by 3rd parties.

crypto		Cryptography stuff (see crypto/README).

etc		Template files for /etc.

gnu		Various commands and libraries under the GNU Public License.
		Please see gnu/COPYING* for more information.

include		System include files.

kerberos5	Kerberos5 (Heimdal) package.

lib		System libraries.

libexec		System daemons.

release		Release building Makefile & associated tools.

rescue		Build system for statically linked /rescue utilities.

sbin		System commands.

secure		Cryptographic libraries and commands.

share		Shared resources.

sys		Kernel sources.

tests		Regression tests which can be run by Kyua.  See tests/README
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tools		Utilities for regression testing and miscellaneous tasks.

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usr.sbin	System administration commands.


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