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opnsense-src/lib/libthr/thread
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Konstantin Belousov 381c2d2e9a Untangle jemalloc and mutexes initialization. 
The need to use libc malloc(3) from some places in libthr always
caused issues.  For instance, per-thread key allocation was switched to
use plain mmap(2) to get storage, because some third party mallocs
used keys for implementation of calloc(3).

Even more important, libthr calls calloc(3) during initialization of
pthread mutexes, and jemalloc uses pthread mutexes.  Jemalloc provides
some way to both postpone the initialization, and to make
initialization to use specialized allocator, but this is very fragile
and often breaks.  See the referenced PR for another example.

Add the small malloc implementation used by rtld, to libthr. Use it in
thr_spec.c and for mutexes initialization. This avoids the issues with
mutual dependencies between malloc and libthr in principle.  The
drawback is that some more allocations are not interceptable for
alternate malloc implementations.  There should be not too much memory
use from this allocator, and the alternative, direct use of mmap(2) is
obviously worse.

PR:	235211
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Differential revision:	https://reviews.freebsd.org/D18988
2019-01-29 22:46:44 +00:00
..
Makefile.inc Untangle jemalloc and mutexes initialization. 2019-01-29 22:46:44 +00:00
thr_affinity.c lib: further adoption of SPDX licensing ID tags. 2017-11-26 02:00:33 +00:00
thr_attr.c libthr: minor spacing cleanup. 2018-08-21 01:33:25 +00:00
thr_autoinit.c spdx: initial adoption of licensing ID tags. 2017-11-18 14:26:50 +00:00
thr_barrier.c POSIX compliance improvements in the pthread(3) functions. 2018-08-18 01:05:38 +00:00
thr_barrierattr.c POSIX compliance improvements in the pthread(3) functions. 2018-08-18 01:05:38 +00:00
thr_cancel.c Ensure thread library is initialized in pthread_testcancel(). 2018-03-21 21:13:26 +00:00
thr_clean.c General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
thr_concurrency.c spdx: initial adoption of licensing ID tags. 2017-11-18 14:26:50 +00:00
thr_cond.c POSIX compliance improvements in the pthread(3) functions. 2018-08-18 01:05:38 +00:00
thr_condattr.c POSIX compliance improvements in the pthread(3) functions. 2018-08-18 01:05:38 +00:00
thr_create.c _thr_setthreaded() cannot fail; change return type to void 2018-11-30 03:01:32 +00:00
thr_ctrdtr.c Merge all the copies of _tcb_ctor and _tcb_dtor. 2015-01-21 16:41:05 +00:00
thr_detach.c lib: further adoption of SPDX licensing ID tags. 2017-11-26 02:00:33 +00:00
thr_equal.c General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
thr_event.c lib: further adoption of SPDX licensing ID tags. 2017-11-26 02:00:33 +00:00
thr_exit.c Add pthread_get_name_np(3). 2018-08-17 18:34:07 +00:00
thr_fork.c Untangle jemalloc and mutexes initialization. 2019-01-29 22:46:44 +00:00
thr_getcpuclockid.c lib: further adoption of SPDX licensing ID tags. 2017-11-26 02:00:33 +00:00
thr_getprio.c General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
thr_getschedparam.c POSIX compliance improvements in the pthread(3) functions. 2018-08-18 01:05:38 +00:00
thr_getthreadid_np.c lib: further adoption of SPDX licensing ID tags. 2017-11-26 02:00:33 +00:00
thr_info.c Add pthread_get_name_np(3). 2018-08-17 18:34:07 +00:00
thr_init.c Untangle jemalloc and mutexes initialization. 2019-01-29 22:46:44 +00:00
thr_join.c lib: further adoption of SPDX licensing ID tags. 2017-11-26 02:00:33 +00:00
thr_kern.c _thr_setthreaded() cannot fail; change return type to void 2018-11-30 03:01:32 +00:00
thr_kill.c General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
thr_list.c lib: further adoption of SPDX licensing ID tags. 2017-11-26 02:00:33 +00:00
thr_main_np.c lib: further adoption of SPDX licensing ID tags. 2017-11-26 02:00:33 +00:00
thr_malloc.c Untangle jemalloc and mutexes initialization. 2019-01-29 22:46:44 +00:00
thr_multi_np.c General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
thr_mutex.c Untangle jemalloc and mutexes initialization. 2019-01-29 22:46:44 +00:00
thr_mutexattr.c POSIX compliance improvements in the pthread(3) functions. 2018-08-18 01:05:38 +00:00
thr_once.c lib: further adoption of SPDX licensing ID tags. 2017-11-26 02:00:33 +00:00
thr_printf.c libthr: Fix missing break in switch. 2018-01-27 22:27:55 +00:00
thr_private.h Untangle jemalloc and mutexes initialization. 2019-01-29 22:46:44 +00:00
thr_pshared.c Lock pshared_lock shared around fork, to ensure that the COW snapshot 2016-03-21 06:52:35 +00:00
thr_pspinlock.c lib: further adoption of SPDX licensing ID tags. 2017-11-26 02:00:33 +00:00
thr_resume_np.c General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
thr_rtld.c lib: further adoption of SPDX licensing ID tags. 2017-11-26 02:00:33 +00:00
thr_rwlock.c POSIX compliance improvements in the pthread(3) functions. 2018-08-18 01:05:38 +00:00
thr_rwlockattr.c POSIX compliance improvements in the pthread(3) functions. 2018-08-18 01:05:38 +00:00
thr_self.c General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
thr_sem.c lib: further adoption of SPDX licensing ID tags. 2017-11-26 02:00:33 +00:00
thr_setprio.c General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
thr_setschedparam.c spdx: initial adoption of licensing ID tags. 2017-11-18 14:26:50 +00:00
thr_sig.c lib: further adoption of SPDX licensing ID tags. 2017-11-26 02:00:33 +00:00
thr_single_np.c General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
thr_sleepq.c lib: further adoption of SPDX licensing ID tags. 2017-11-26 02:00:33 +00:00
thr_spec.c Untangle jemalloc and mutexes initialization. 2019-01-29 22:46:44 +00:00
thr_spinlock.c Use _thr_isthreaded() and _thr_setthreaded() wrappers 2018-11-30 03:02:49 +00:00
thr_stack.c lib: further adoption of SPDX licensing ID tags. 2017-11-26 02:00:33 +00:00
thr_suspend_np.c General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
thr_switch_np.c spdx: initial adoption of licensing ID tags. 2017-11-18 14:26:50 +00:00
thr_symbols.c General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
thr_syscalls.c General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00
thr_umtx.c lib: further adoption of SPDX licensing ID tags. 2017-11-26 02:00:33 +00:00
thr_umtx.h lib: further adoption of SPDX licensing ID tags. 2017-11-26 02:00:33 +00:00
thr_yield.c General further adoption of SPDX licensing ID tags. 2017-11-20 19:49:47 +00:00