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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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GPG key ID: BE714B4575D6E328
268 changed files with 632 additions and 8688 deletions
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10
third_party/nsync/mem/nsync_debug.c vendored
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@ -15,9 +15,9 @@
│ See the License for the specific language governing permissions and │
│ limitations under the License. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/intrin/dll.h"
#include "third_party/nsync/atomic.h"
#include "third_party/nsync/common.internal.h"
#include "third_party/nsync/dll.h"
#include "third_party/nsync/mu_semaphore.h"
#include "third_party/nsync/races.internal.h"
#include "third_party/nsync/wait_s.internal.h"
@ -142,9 +142,9 @@ static void emit_word (struct emit_buf *b, const struct bit_name *name, uint32_t
}
/* Emit the waiter queue *q to *b. */
static void emit_waiters (struct emit_buf *b, nsync_dll_list_ list) {
nsync_dll_element_ *p = nsync_dll_first_ (list);
nsync_dll_element_ *next;
static void emit_waiters (struct emit_buf *b, struct Dll *list) {
struct Dll *p = dll_first (list);
struct Dll *next;
if (p != NULL) {
emit_print (b, "\nwaiters =\n");
}
@ -157,7 +157,7 @@ static void emit_waiters (struct emit_buf *b, nsync_dll_list_ list) {
emit_print (b, "bad WAITER_TAG %i",
(uintptr_t) w->tag);
} else {
next = nsync_dll_next_ (list, p);
next = dll_next (list, p);
if (nw->tag != NSYNC_WAITER_TAG) {
emit_print (b, " bad WAITER_TAG %i",
(uintptr_t) nw->tag);