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Clean up more code

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The *NSYNC linked list API is good enough that it deserves to be part of
the C libray, so this change writes an improved version of it which uses
that offsetof() trick from the Linux Kernel. We vendor all of the *NSYNC
tests in third_party which helped confirm the needed refactoring is safe

This change also deletes more old code that didn't pan out. My goal here
is to work towards a vision where the Cosmopolitan core libraries become
less experimental and more focused on curation. This better reflects the
current level of quality we've managed to achieve.
This commit is contained in:
Justine Tunney 2023-07-06 06:57:28 -07:00
parent 88612a2cd7
commit 0a24b4fc3c
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268 changed files with 632 additions and 8688 deletions
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4
third_party/nsync/wait_s.internal.h vendored
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@ -1,7 +1,7 @@
#ifndef COSMOPOLITAN_LIBC_THREAD_WAIT_INTERNAL_H_
#define COSMOPOLITAN_LIBC_THREAD_WAIT_INTERNAL_H_
#include "libc/intrin/dll.h"
#include "third_party/nsync/atomic.h"
#include "third_party/nsync/dll.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
@ -13,7 +13,7 @@ COSMOPOLITAN_C_START_
struct nsync_waiter_s {
uint32_t tag; /* used for debugging */
uint32_t flags; /* see below */
nsync_dll_element_ q; /* used to link children of parent */
struct Dll q; /* used to link children of parent */
nsync_atomic_uint32_ waiting; /* non-zero <=> the waiter is waiting */
struct nsync_semaphore_s_ *sem; /* *sem will be Ved when waiter is woken */
};