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3498 commits

Author SHA1 Message Date
Ondřej Surý
64fbffbbaa Use simple pthread_rwlock in place of our custom adaptive rwlock 2019-05-30 16:10:16 +02:00
Ondřej Surý
4d2d3b49ce Cleanup the way we detect json-c library to use only pkg-config 2019-05-29 15:08:52 +02:00
Witold Kręcicki
75815c1581 Fix a possible deadlock in TCP accepting 
Each network thread holds an array of locks, indexed by a hash
of fd. When we accept a connection we hold a lock in accepting thread.
We then generate the thread number and lock bucket for the new
connection socket - if we hit the same thread and lock bucket as
accepting socket we get a deadlock. Avoid this by checking if we're
in the same thread/lock bucket and not locking in this case.
 2019-05-24 03:18:41 -04:00
Mark Andrews
505ec918d7 include <isc/string.h> for isc_string_strerror_r prototype 2019-05-24 16:27:40 +10:00
Mark Andrews
978a37c827 use atomics in lib/isc/win32/app.c 2019-05-24 16:27:40 +10:00
Ondřej Surý
d5055665ca Remove isc_hash_reverse function 2019-05-21 10:23:17 +00:00
Ondřej Surý
2e7d82443f Convert isc_hash functions to use isc_siphash24 2019-05-21 10:23:13 +00:00
Ondřej Surý
2cbf633192 Add tests for the isc_siphash24 function 2019-05-20 19:01:31 +02:00
Ondřej Surý
a197df137a Add reference SipHash 2-4 implementation 2019-05-20 19:01:31 +02:00
Ondřej Surý
0efc36c19a Add portable <isc/endian.h> header 2019-05-20 19:01:31 +02:00
Ondřej Surý
eb8c9bdd55 Make lib/isc/app.c opaque and thread-safe 
This work cleans up the API which includes couple of things:

1. Make the isc_appctx_t type fully opaque

2. Protect all access to the isc_app_t members via stdatomics

3. sigwait() is part of POSIX.1, remove dead non-sigwait code

4. Remove unused code: isc_appctx_set{taskmgr,sockmgr,timermgr}
 2019-05-20 18:13:02 +02:00
Ondřej Surý
94cb73d96c Use SO_REUSEPORT_LB on FreeBSD if available 2019-05-15 07:30:23 +02:00
Ondřej Surý
1c672367a0 Add safeguard against the other usage of SO_REUSEPORT 2019-05-15 07:30:23 +02:00
Ondřej Surý
ab389695b0 Add most useful relaxed and acquire-relase stdatomic convenience macros 
The header file <isc/atomic.h> now contains convenience macros for
most useful explicit memory ordering for C11 stdatomics, only relaxed
and acquire-release semantics is being used.  These macros SHOULD be
used instead of atomic_<func>_explicit functions.
 2019-05-13 12:17:21 +07:00
Mark Andrews
f546769b8b arm: just use the compiler's default yield support 2019-05-12 21:39:43 -04:00
Ondřej Surý
7ec9502ec5 Add benchmark for isc_{mem,mempool}_{get,put} operations 2019-05-11 04:02:35 +07:00
Mark Andrews
4886701c03 clear pointer before hash table 2019-05-07 10:37:37 +10:00
Evan Hunt
4e5edb35e4 simplify the isc_stat structure to take avantage of atomics 2019-05-06 12:53:45 -07:00
Evan Hunt
2f3876d187 refactor tcpquota and pipeline refs; allow special-case overrun in isc_quota 
- if the TCP quota has been exceeded but there are no clients listening
  for new connections on the interface, we can now force attachment to the
  quota using isc_quota_force(), instead of carrying on with the quota not
  attached.
- the TCP client quota is now referenced via a reference-counted
  'ns_tcpconn' object, one of which is created whenever a client begins
  listening for new connections, and attached to by members of that
  client's pipeline group. when the last reference to the tcpconn
  object is detached, it is freed and the TCP quota slot is released.
- reduce code duplication by adding mark_tcp_active() function
- convert counters to stdatomic

(cherry picked from commit a8dd133d270873b736c1be9bf50ebaa074f5b38f)
(cherry picked from commit 4a8fc979c4)
 2019-04-25 16:32:05 +02:00
Mark Andrews
265554f895 use isc_refcount_decrement to decrement NEWCONNSOCK(dev)->references; use isc_refcount_increment instead of isc_refcount_init in socket_create 2019-04-23 00:12:17 -04:00
Ondřej Surý
2e40cc94dc On non-GNUC systems, use uintmax_t in the ISC_ALIGN macro 2019-04-18 12:55:25 +02:00
Mark Andrews
a520662ed4 allow dlz to signal that the view's transfer acl should be used 2019-03-11 14:27:13 +11:00
Ondřej Surý
7eea756858 Restore missing check for flockfile and getc_unlocked 2019-03-08 21:20:20 +01:00
Ondřej Surý
a04a390195 Convert *.vcxproj.user to CRLF line endings 2019-03-08 18:01:48 +01:00
Ondřej Surý
c2637c8429 Use ForcedIncludeFiles directive to include config.h everywhere automatically 2019-03-08 17:14:38 +01:00
Ondřej Surý
1b25d8a0ca Remove explicit '#include <config.h>' from the header files (the include should not have been there in the first place) 2019-03-08 15:15:05 +01:00
Ondřej Surý
78d0cb0a7d Use coccinelle to remove explicit '#include <config.h>' from the source files 2019-03-08 15:15:05 +01:00
Mark Andrews
435ae2f29a Handle EDQUOT and ENOSPC errors 2019-03-07 21:02:48 -08:00
Witold Kręcicki
b57a38ae43 Fix a race in socket code when internal_{accept, send, receive} is called 
from event loop on an socket and, in the meantime, someone has closed this
socket.
 2019-03-06 12:56:11 -08:00
Mark Andrews
cb913177ae improve clang / cmocka integration 2019-03-05 10:20:29 -08:00
Evan Hunt
efb0d1e83d documentation changes setting up 9.15 development branch 2019-02-21 16:42:17 -08:00
Mark Andrews
f87b88e520 remove dead assignments 2019-02-19 08:12:09 +11:00
Mark Andrews
76a1c1531a assert result is ISC_R_SUCCESS 2019-02-19 07:57:14 +11:00
Tinderbox User
b4d3f78293 prep 9.13.6 2019-02-06 22:13:05 +00:00
Evan Hunt
2f13524164 initalize a named_g_defaultbindkeys variable 2019-02-06 13:18:00 +11:00
Ondřej Surý
3a3e75042d Remove support for compiling without assertions (Both ISC_CHECK_ALL, ISC_CHECK_NONE are now gone) 2019-01-31 11:16:08 +01:00
Ondřej Surý
27eb6189a8 Fix Centos 6 build by explicitly casting to __typeof__(obj) in atomic_compare_exchange_strong shim function 2019-01-30 15:54:17 +01:00
Witold Kręcicki
9ded5d5193 Cast atomic_load_explicit to proper size 2019-01-30 14:12:06 +01:00
Ondřej Surý
f2d1a88efc Add #pragma intrinsic for intrinsic Windows functions 2019-01-30 13:48:58 +01:00
Ondřej Surý
9539e1c3a1 Fix memory_order_cst_seq -> memory_order_seq_cst typo 2019-01-30 13:48:58 +01:00
Ondřej Surý
d3e0604354 Properly use atomic_compare_exchange instead of load/store 2019-01-30 13:48:58 +01:00
Ondřej Surý
4f5e83b139 Add define for InterlockedExchangeAdd8 intrinsic 2019-01-30 13:48:58 +01:00
Ondřej Surý
7a7a8b0f7b Add atomic_bool implementation to unix and win32 stdatomic.h shim headers 2019-01-30 09:37:38 +01:00
Ondřej Surý
a84e70acd0 Fix copy&paste error in the atomic_fetch_add_explicit{32,64} macros. 
- InterlockedExchange was incorrectly used in place where InterlockedExchangeAdd
  should have been used
 2019-01-30 09:37:38 +01:00
Evan Hunt
19dd6a409c Fix a typo in the win32 version of the atomic_store macro 2019-01-30 09:37:38 +01:00
Evan Hunt
39527e9c36 Moved the unix version to lib/isc/unix/include/isc so it's more obvious in the future that it isn't the only copy 2019-01-30 09:37:38 +01:00
Witold Kręcicki
a003908af4 Fix a race in access to manager->tasks in taskmgr 
Make taskmgr->mode and boolean state flags (exclusive, paused, exiting) atomic.
 2019-01-29 03:32:29 -05:00
Evan Hunt
995134ce76 rename struct members to avoid a name collision on BSD 2019-01-28 10:59:48 -08:00
Witold Kręcicki
42d9a536a7 Make isc_counter use atomics instead of locks 2019-01-25 04:26:49 -05:00
Witold Kręcicki
0af500a2c5 - Make isc_quota use atomics instead of locks 
- Use getters for isc_quota parameters, make fields private
- Fix a potential data race with recursion clients limits logging
 2019-01-25 04:26:49 -05:00