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Improve synchronization

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- Fix bugs in kDos2Errno definition
- malloc() should now be thread safe
- Fix bug in rollup.com header generator
- Fix open(O_APPEND) on the New Technology
- Fix select() on the New Technology and test it
- Work towards refactoring i/o for thread safety
- Socket reads and writes on NT now poll for signals
- Work towards i/o completion ports on the New Technology
- Make read() and write() intermittently check for signals
- Blinkenlights keyboard i/o so much better on NT w/ poll()
- You can now poll() files and sockets at the same time on NT
- Fix bug in appendr() that manifests with dlmalloc footers off
This commit is contained in:
Justine Tunney 2022-04-14 23:39:48 -07:00
parent 233144b19d
commit 933411ba99
266 changed files with 8761 additions and 4344 deletions
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2
test/libc/runtime/clone_test.c
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@ -43,6 +43,6 @@ TEST(clone, test) {
EXPECT_NE(-1, (tid = clone(thread, stack + FRAMESIZE,
CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND,
0, &ptid, &tls, &ctid)));
while ((nowl() - t) < 1 && !x) asm("pause");
while ((nowl() - t) < 1 && !x) __builtin_ia32_pause();
ASSERT_EQ(42, x);
}

33
test/libc/runtime/mremap_test.c
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@ -1,33 +0,0 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2021 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/mem/mem.h"
#include "libc/runtime/gc.internal.h"
#include "libc/runtime/runtime.h"
#include "libc/testlib/testlib.h"
#include "third_party/dlmalloc/dlmalloc.internal.h"
TEST(mremap, testMalloc) {
int i;
char *a, *b, *c, *d;
ASSERT_NE(NULL, a = malloc(DEFAULT_MMAP_THRESHOLD));
ASSERT_NE(NULL, b = mapanon(FRAMESIZE));
ASSERT_NE(NULL, a = realloc(a, DEFAULT_MMAP_THRESHOLD * 2));
munmap(b, FRAMESIZE);
free(a);
}