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Improve system call support
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parent
63b867bd2f
commit
3085ac7837
65 changed files with 900 additions and 544 deletions
60
test/libc/calls/dup_test.c
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60
test/libc/calls/dup_test.c
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@ -0,0 +1,60 @@
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/*-*- 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/calls/internal.h"
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#include "libc/calls/struct/stat.h"
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#include "libc/log/check.h"
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#include "libc/runtime/runtime.h"
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#include "libc/stdio/stdio.h"
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#include "libc/str/str.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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static textstartup void TestInit(int argc, char **argv) {
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int fd;
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if (argc == 2 && !strcmp(argv[1], "boop")) {
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if ((fd = open("/dev/null", O_RDWR | O_CLOEXEC)) == 3) {
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_exit(72);
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} else {
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_exit(fd + 1);
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}
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}
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}
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const void *const TestCtor[] initarray = {TestInit};
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TEST(dup, clearsCloexecFlag) {
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int ws;
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ASSERT_SYS(0, 0, close(creat("file", 0644)));
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ASSERT_SYS(0, 3, open("file", O_RDWR | O_CLOEXEC));
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ASSERT_NE(-1, (ws = xspawn(0)));
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if (ws == -2) {
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dup2(3, 0);
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execv(program_executable_name,
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(char *const[]){program_executable_name, "boop", 0});
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_exit(127);
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}
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ASSERT_EQ(72, WEXITSTATUS(ws));
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ASSERT_SYS(0, 0, close(3));
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}
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@ -22,6 +22,7 @@
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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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@ -53,3 +54,12 @@ TEST(fcntl_setfl, testChangeAppendStatus) {
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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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41
test/libc/calls/fileexists_test.c
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41
test/libc/calls/fileexists_test.c
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/*-*- 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/calls/struct/stat.h"
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#include "libc/testlib/ezbench.h"
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#include "libc/testlib/testlib.h"
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char testlib_enable_tmp_setup_teardown;
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TEST(fileexists, test) {
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EXPECT_SYS(0, 0, fileexists("doge"));
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EXPECT_SYS(0, 0, isdirectory("doge"));
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EXPECT_SYS(0, 0, close(creat("doge", 0644)));
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EXPECT_SYS(0, 1, fileexists("doge"));
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EXPECT_SYS(0, 0, isdirectory("doge"));
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}
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BENCH(fileexists, bench) {
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struct stat st;
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EZBENCH2("!stat", donothing, stat("doge", &st));
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EZBENCH2("!fileexists", donothing, fileexists("doge"));
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EXPECT_SYS(0, 0, close(creat("doge", 0644)));
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EZBENCH2("stat", donothing, stat("doge", &st));
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EZBENCH2("fileexists", donothing, fileexists("doge"));
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}
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