mirror of
https://github.com/jart/cosmopolitan.git
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933411ba99
- 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
69 lines
3.3 KiB
C
69 lines
3.3 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 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/calls/calls.h"
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#include "libc/dce.h"
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#include "libc/fmt/fmt.h"
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#include "libc/log/check.h"
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#include "libc/macros.internal.h"
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#include "libc/runtime/runtime.h"
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#include "libc/sysv/consts/f.h"
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#include "libc/sysv/consts/fd.h"
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#include "libc/sysv/consts/o.h"
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#include "libc/testlib/testlib.h"
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#include "libc/x/x.h"
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char testlib_enable_tmp_setup_teardown;
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TEST(fcntl_getfl, testRemembersAccessMode) {
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int fd;
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ASSERT_NE(-1, (fd = open("foo", O_CREAT | O_RDWR, 0644)));
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EXPECT_EQ(O_RDWR, fcntl(fd, F_GETFL) & O_ACCMODE);
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EXPECT_NE(-1, close(fd));
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ASSERT_NE(-1, (fd = open("foo", O_WRONLY, 0644)));
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EXPECT_EQ(O_WRONLY, fcntl(fd, F_GETFL) & O_ACCMODE);
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EXPECT_NE(-1, close(fd));
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}
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TEST(fcntl_setfl, testChangeAppendStatus) {
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if (IsWindows()) {
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// no obivous way to do fcntl(fd, F_SETFL, O_APPEND)
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return;
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}
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int fd;
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char buf[8] = {0};
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ASSERT_NE(-1, (fd = open("foo", O_CREAT | O_RDWR, 0644)));
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EXPECT_EQ(3, write(fd, "foo", 3));
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EXPECT_NE(-1, lseek(fd, 0, SEEK_SET));
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EXPECT_NE(-1, fcntl(fd, F_SETFL, O_APPEND));
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EXPECT_EQ(3, write(fd, "bar", 3));
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EXPECT_NE(-1, lseek(fd, 0, SEEK_SET));
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EXPECT_NE(-1, fcntl(fd, F_SETFL, 0));
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EXPECT_EQ(6, read(fd, buf, 6));
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EXPECT_STREQ("foobar", buf);
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EXPECT_NE(-1, close(fd));
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}
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TEST(fcntl, getfd) {
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ASSERT_SYS(0, 3, open("/dev/null", O_RDWR));
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ASSERT_SYS(0, 0, fcntl(3, F_GETFD));
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ASSERT_SYS(0, 4, open("/dev/null", O_RDWR | O_CLOEXEC));
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ASSERT_SYS(0, FD_CLOEXEC, fcntl(4, F_GETFD));
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ASSERT_SYS(0, 0, close(4));
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ASSERT_SYS(0, 0, close(3));
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}
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