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Improve system call support

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This commit is contained in:
Justine Tunney 2021-08-25 21:35:58 -07:00
parent 63b867bd2f
commit 3085ac7837
65 changed files with 900 additions and 544 deletions
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60
test/libc/calls/dup_test.c Normal file
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@ -0,0 +1,60 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net 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/struct/stat.h"
#include "libc/log/check.h"
#include "libc/runtime/runtime.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/f.h"
#include "libc/sysv/consts/fd.h"
#include "libc/sysv/consts/o.h"
#include "libc/testlib/testlib.h"
#include "libc/x/x.h"
char testlib_enable_tmp_setup_teardown;
static textstartup void TestInit(int argc, char **argv) {
int fd;
if (argc == 2 && !strcmp(argv[1], "boop")) {
if ((fd = open("/dev/null", O_RDWR | O_CLOEXEC)) == 3) {
_exit(72);
} else {
_exit(fd + 1);
}
}
}
const void *const TestCtor[] initarray = {TestInit};
TEST(dup, clearsCloexecFlag) {
int ws;
ASSERT_SYS(0, 0, close(creat("file", 0644)));
ASSERT_SYS(0, 3, open("file", O_RDWR | O_CLOEXEC));
ASSERT_NE(-1, (ws = xspawn(0)));
if (ws == -2) {
dup2(3, 0);
execv(program_executable_name,
(char *const[]){program_executable_name, "boop", 0});
_exit(127);
}
ASSERT_EQ(72, WEXITSTATUS(ws));
ASSERT_SYS(0, 0, close(3));
}

10
test/libc/calls/fcntl_test.c
View file

@ -22,6 +22,7 @@
#include "libc/macros.internal.h"
#include "libc/runtime/runtime.h"
#include "libc/sysv/consts/f.h"
#include "libc/sysv/consts/fd.h"
#include "libc/sysv/consts/o.h"
#include "libc/testlib/testlib.h"
#include "libc/x/x.h"
@ -53,3 +54,12 @@ TEST(fcntl_setfl, testChangeAppendStatus) {
EXPECT_STREQ("foobar", buf);
EXPECT_NE(-1, close(fd));
}
TEST(fcntl, getfd) {
ASSERT_SYS(0, 3, open("/dev/null", O_RDWR));
ASSERT_SYS(0, 0, fcntl(3, F_GETFD));
ASSERT_SYS(0, 4, open("/dev/null", O_RDWR | O_CLOEXEC));
ASSERT_SYS(0, FD_CLOEXEC, fcntl(4, F_GETFD));
ASSERT_SYS(0, 0, close(4));
ASSERT_SYS(0, 0, close(3));
}

41
test/libc/calls/fileexists_test.c Normal file
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@ -0,0 +1,41 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net 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/struct/stat.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/testlib.h"
char testlib_enable_tmp_setup_teardown;
TEST(fileexists, test) {
EXPECT_SYS(0, 0, fileexists("doge"));
EXPECT_SYS(0, 0, isdirectory("doge"));
EXPECT_SYS(0, 0, close(creat("doge", 0644)));
EXPECT_SYS(0, 1, fileexists("doge"));
EXPECT_SYS(0, 0, isdirectory("doge"));
}
BENCH(fileexists, bench) {
struct stat st;
EZBENCH2("!stat", donothing, stat("doge", &st));
EZBENCH2("!fileexists", donothing, fileexists("doge"));
EXPECT_SYS(0, 0, close(creat("doge", 0644)));
EZBENCH2("stat", donothing, stat("doge", &st));
EZBENCH2("fileexists", donothing, fileexists("doge"));
}