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e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
86 lines
4.2 KiB
C
86 lines
4.2 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2023 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/atomic.h"
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#include "libc/calls/calls.h"
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#include "libc/dce.h"
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#include "libc/errno.h"
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#include "libc/intrin/kprintf.h"
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#include "libc/runtime/runtime.h"
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#include "libc/sock/sock.h"
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#include "libc/sock/struct/pollfd.h"
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#include "libc/sock/struct/sockaddr.h"
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#include "libc/sysv/consts/af.h"
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#include "libc/sysv/consts/ipproto.h"
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#include "libc/sysv/consts/limits.h"
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#include "libc/sysv/consts/poll.h"
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#include "libc/sysv/consts/sock.h"
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#include "libc/testlib/subprocess.h"
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#include "libc/testlib/testlib.h"
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#include "libc/thread/thread.h"
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TEST(connect, nonblocking) {
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if (IsFreebsd()) return; // TODO(jart): why did this start flaking?
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if (IsOpenbsd()) return; // TODO(jart): why did this start freezing?
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char buf[16] = {0};
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atomic_uint *sem = _mapshared(sizeof(unsigned));
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uint32_t addrsize = sizeof(struct sockaddr_in);
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struct sockaddr_in addr = {
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.sin_family = AF_INET,
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.sin_addr.s_addr = htonl(0x7f000001),
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};
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ASSERT_SYS(0, 3, socket(AF_INET, SOCK_STREAM, IPPROTO_TCP));
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ASSERT_SYS(0, 0, bind(3, (struct sockaddr *)&addr, sizeof(addr)));
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ASSERT_SYS(0, 0, getsockname(3, (struct sockaddr *)&addr, &addrsize));
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ASSERT_SYS(0, 0, listen(3, SOMAXCONN));
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SPAWN(fork);
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while (!*sem) pthread_yield();
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ASSERT_SYS(0, 4, accept(3, (struct sockaddr *)&addr, &addrsize));
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ASSERT_SYS(0, 2, read(4, buf, 16)); // hi
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ASSERT_SYS(0, 5, write(4, "hello", 5));
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ASSERT_SYS(0, 3, read(4, buf, 16)); // bye
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PARENT();
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ASSERT_SYS(0, 0, close(3));
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ASSERT_SYS(0, 3, socket(AF_INET, SOCK_STREAM | SOCK_NONBLOCK, IPPROTO_TCP));
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ASSERT_SYS(EINPROGRESS, -1,
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connect(3, (struct sockaddr *)&addr, sizeof(addr)));
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if (!(IsLinux() || IsNetbsd())) {
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// this doens't work on rhel7 and netbsd
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ASSERT_SYS(EALREADY, -1,
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connect(3, (struct sockaddr *)&addr, sizeof(addr)));
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}
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ASSERT_SYS(EAGAIN, -1, read(3, buf, 16));
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*sem = 1;
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{ // wait until connected
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struct pollfd pfd = {3, POLLOUT};
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ASSERT_SYS(0, 1, poll(&pfd, 1, -1));
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ASSERT_TRUE(!!(POLLOUT & pfd.revents));
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}
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ASSERT_SYS(0, 2, write(3, "hi", 2));
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{ // wait for other process to send us stuff
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struct pollfd pfd = {3, POLLIN};
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ASSERT_SYS(0, 1, poll(&pfd, 1, -1));
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ASSERT_TRUE(!!(POLLIN & pfd.revents));
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}
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ASSERT_SYS(0, 5, read(3, buf, 16));
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ASSERT_STREQ("hello", buf);
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ASSERT_SYS(0, 3, write(3, "bye", 3));
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ASSERT_SYS(0, 0, close(3));
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WAIT(exit, 0);
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munmap(sem, sizeof(unsigned));
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}
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