mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-01 03:53:33 +00:00
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/' ```
48 lines
2.6 KiB
C
48 lines
2.6 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│ vi: set et 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/calls/calls.h"
|
|
#include "libc/calls/internal.h"
|
|
#include "libc/calls/state.internal.h"
|
|
#include "libc/runtime/runtime.h"
|
|
#include "libc/sysv/consts/o.h"
|
|
#include "libc/testlib/testlib.h"
|
|
|
|
void SetUpOnce(void) {
|
|
testlib_enable_tmp_setup_teardown();
|
|
}
|
|
|
|
TEST(vfork, test) {
|
|
int fd;
|
|
char buf[8] = {0};
|
|
ASSERT_NE(-1, (fd = open("vfork_test", O_RDWR | O_CREAT, 0644)));
|
|
ASSERT_EQ(5, write(fd, "hello", 5));
|
|
ASSERT_NE(-1, lseek(fd, 0, SEEK_SET));
|
|
if (!vfork()) {
|
|
EXPECT_EQ(5, pread(fd, buf, 5, 0));
|
|
ASSERT_NE(-1, lseek(fd, 0, SEEK_SET));
|
|
EXPECT_STREQ("hello", buf);
|
|
EXPECT_NE(-1, close(fd));
|
|
_exit(0);
|
|
}
|
|
EXPECT_EQ(0, __vforked);
|
|
EXPECT_NE(-1, wait(0));
|
|
EXPECT_EQ(5, read(fd, buf, 5));
|
|
EXPECT_STREQ("hello", buf);
|
|
EXPECT_NE(-1, close(fd));
|
|
}
|