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cosmopolitan/third_party/nsync
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Justine Tunney 2db2f40a98
Rewrite special file handling on Windows 
This change gets GNU grep working. What caused it to not work, is it
wouldn't write to an output file descriptor when its dev/ino equaled
/dev/null's. So now we invent special dev/ino values for these files
2023-10-14 02:53:34 -07:00
..
mem Make improvements 2023-10-08 08:59:53 -07:00
testing Make improvements 2023-09-18 21:04:47 -07:00
array.internal.h Clean up some sleep code 2022-10-08 03:00:48 -07:00
atomic.h Make some more fixes 2023-10-09 12:22:00 -07:00
atomic.internal.h Add shared memory apis to redbean 2022-10-06 04:55:26 -07:00
common.c Get rid of kmalloc() 2023-09-11 21:56:00 -07:00
common.internal.h Get rid of kmalloc() 2023-09-11 21:56:00 -07:00
compat.S Make improvements 2023-06-15 14:50:53 -07:00
counter.h Clean up more code 2023-07-06 08:03:24 -07:00
cv.h Clean up more code 2023-07-06 08:03:24 -07:00
debug.h Use *NSYNC for POSIX threads locking APIs 2022-09-11 11:04:50 -07:00
futex.c Rewrite special file handling on Windows 2023-10-14 02:53:34 -07:00
futex.internal.h Fix warnings 2023-09-01 20:50:18 -07:00
heap.internal.h Clean up some sleep code 2022-10-08 03:00:48 -07:00
LICENSE.txt Use *NSYNC for POSIX threads locking APIs 2022-09-11 11:04:50 -07:00
mu.c Make improvements 2023-10-08 08:59:53 -07:00
mu.h Clean up more code 2023-07-06 08:03:24 -07:00
mu_semaphore.c Improve threading and i/o routines 2023-10-12 23:13:04 -07:00
mu_semaphore.h Make improvements 2023-10-08 08:59:53 -07:00
mu_semaphore.internal.h Make some more fixes 2023-10-09 12:22:00 -07:00
mu_semaphore_futex.c Make improvements 2023-09-18 21:04:47 -07:00
mu_semaphore_gcd.c Improve threading and i/o routines 2023-10-12 23:13:04 -07:00
mu_semaphore_sem.c Make improvements 2023-09-18 21:04:47 -07:00
mu_semaphore_win32.c Make some more fixes 2023-10-09 12:22:00 -07:00
mu_wait.h Use *NSYNC for POSIX threads locking APIs 2022-09-11 11:04:50 -07:00
note.h Use *NSYNC for POSIX threads locking APIs 2022-09-11 11:04:50 -07:00
nsync.mk Make improvements 2023-09-18 21:04:47 -07:00
once.h Use *NSYNC for POSIX threads locking APIs 2022-09-11 11:04:50 -07:00
panic.c Improve threading and i/o routines 2023-10-12 23:13:04 -07:00
races.internal.h Add *NSYNC mu_test 2022-09-11 18:56:29 -07:00
README.cosmo Make futexes 100x better on x86 MacOS 2023-10-03 15:15:43 -07:00
README.md Add *NSYNC to libc/isystem 2022-09-13 01:47:12 -07:00
time.h Improve cancellations, randomness, and time 2022-11-05 23:45:32 -07:00
wait_s.internal.h Clean up more code 2023-07-06 08:03:24 -07:00
waiter.h Use *NSYNC for POSIX threads locking APIs 2022-09-11 11:04:50 -07:00
yield.c Make improvements 2023-09-18 21:04:47 -07:00

README.md

*NSYNC

*NSYNC is a library providing scalable synchronization primitives. The following packages are provided:

  • THIRD_PARTY_NSYNC has nsync_mu which doesn't depend on malloc().
  • THIRD_PARTY_NSYNC_MEM has the rest of *NSYNC, e.g. nsync_cv.

The origin of this code is here:

git@github.com:google/nsync
ac5489682760393fe21bd2a8e038b528442412a7 (1.25.0)
Author: Mike Burrows <m3b@google.com>
Date:   Wed Jun 1 16:47:52 2022 -0700

NSYNC uses the Apache 2.0 license. We made the following local changes:

  • Write custom nsync_malloc_() so malloc() can use *NSYNC.

  • Rewrite futex() wrapper to support old Linux kernels and OpenBSD.

  • Normalize sources to Cosmopolitan style conventions; *NSYNC upstream supports dozens of compilers and operating systems, at compile-time. Since Cosmo solves portability at runtime instead, most of the build config toil has been removed, in order to help the NSYNC source code be more readable and hackable.