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Improve threading and i/o routines

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- On Windows connect() can now be interrupted by a signal; connect() w/
  O_NONBLOCK will now raise EINPROGRESS; and connect() with SO_SNDTIMEO
  will raise ETIMEDOUT after the interval has elapsed.

- We now get the AcceptEx(), ConnectEx(), and TransmitFile() functions
  from the WIN32 API the officially blessed way, using WSAIoctl().

- Do nothing on Windows when fsync() is called on a directory handle.
  This was raising EACCES earlier becaues GENERIC_WRITE is required on
  the handle. It's possible to FlushFileBuffers() a directory handle if
  it's opened with write access but MSDN doesn't document what it does.
  If you have any idea, please let us know!

- Prefer manual reset event objects for read() and write() on Windows.

- Do some code cleanup on our dlmalloc customizations.

- Fix errno type error in Windows blocking routines.

- Make the futex polyfill simpler and faster.
This commit is contained in:
Justine Tunney 2023-10-12 18:53:17 -07:00
parent f7343319cc
commit 49b0eaa69f
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GPG key ID: BE714B4575D6E328
43 changed files with 528 additions and 425 deletions
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24
test/libc/sock/socket_test.c
View file

@ -49,12 +49,12 @@ TEST(ipv4, test) {
ASSERT_SYS(0, 4, accept(3, (struct sockaddr *)&addr, &addrsize));
ASSERT_SYS(0, 5, send(4, "hello", 5, 0));
PARENT();
EXPECT_SYS(0, 0, close(3));
EXPECT_SYS(0, 3, socket(AF_INET, SOCK_STREAM, IPPROTO_TCP));
EXPECT_SYS(0, 0, connect(3, (struct sockaddr *)&addr, sizeof(addr)));
EXPECT_SYS(0, 5, read(3, buf, 16));
EXPECT_STREQ("hello", buf);
EXPECT_SYS(0, 0, close(3));
ASSERT_SYS(0, 0, close(3));
ASSERT_SYS(0, 3, socket(AF_INET, SOCK_STREAM, IPPROTO_TCP));
ASSERT_SYS(0, 0, connect(3, (struct sockaddr *)&addr, sizeof(addr)));
ASSERT_SYS(0, 5, read(3, buf, 16));
ASSERT_STREQ("hello", buf);
ASSERT_SYS(0, 0, close(3));
WAIT(exit, 0);
}
@ -77,12 +77,12 @@ TEST(ipv6, test) {
ASSERT_SYS(0, 0, close(4));
ASSERT_SYS(0, 0, close(3));
PARENT();
EXPECT_SYS(0, 0, close(3));
EXPECT_SYS(0, 3, socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP));
EXPECT_SYS(0, 0, connect(3, (struct sockaddr *)&addr, sizeof(addr)));
EXPECT_SYS(0, 5, read(3, buf, 16));
EXPECT_STREQ("hello", buf);
EXPECT_SYS(0, 0, close(3));
ASSERT_SYS(0, 0, close(3));
ASSERT_SYS(0, 3, socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP));
ASSERT_SYS(0, 0, connect(3, (struct sockaddr *)&addr, sizeof(addr)));
ASSERT_SYS(0, 5, read(3, buf, 16));
ASSERT_STREQ("hello", buf);
ASSERT_SYS(0, 0, close(3));
WAIT(exit, 0);
}