gotosocial/vendor/modernc.org/libc/libc_darwin_arm64.go
kim ed46224573
Add SQLite support, fix un-thread-safe DB caches, small performance f… (#172)
* Add SQLite support, fix un-thread-safe DB caches, small performance fixes

Signed-off-by: kim (grufwub) <grufwub@gmail.com>

* add SQLite licenses to README

Signed-off-by: kim (grufwub) <grufwub@gmail.com>

* appease the linter, and fix my dumbass-ery

Signed-off-by: kim (grufwub) <grufwub@gmail.com>

* make requested changes

Signed-off-by: kim (grufwub) <grufwub@gmail.com>

* add back comment

Signed-off-by: kim (grufwub) <grufwub@gmail.com>
2021-08-29 16:41:41 +02:00

452 lines
11 KiB
Go

// Copyright 2020 The Libc Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package libc // import "modernc.org/libc"
import (
"strings"
"unsafe"
"golang.org/x/sys/unix"
"modernc.org/libc/fcntl"
"modernc.org/libc/signal"
"modernc.org/libc/sys/types"
"modernc.org/libc/utime"
)
// int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact);
func Xsigaction(t *TLS, signum int32, act, oldact uintptr) int32 {
var kact, koldact uintptr
if act != 0 {
sz := int(unsafe.Sizeof(signal.X__sigaction{}))
kact = t.Alloc(sz)
defer t.Free(sz)
(*signal.X__sigaction)(unsafe.Pointer(kact)).F__sigaction_u.F__sa_handler = (*signal.Sigaction)(unsafe.Pointer(act)).F__sigaction_u.F__sa_handler
(*signal.X__sigaction)(unsafe.Pointer(kact)).Fsa_flags = (*signal.Sigaction)(unsafe.Pointer(act)).Fsa_flags
Xmemcpy(t, kact+unsafe.Offsetof(signal.X__sigaction{}.Fsa_mask), act+unsafe.Offsetof(signal.Sigaction{}.Fsa_mask), types.Size_t(unsafe.Sizeof(signal.Sigset_t(0))))
}
if oldact != 0 {
panic(todo(""))
}
if _, _, err := unix.Syscall6(unix.SYS_SIGACTION, uintptr(signum), kact, koldact, unsafe.Sizeof(signal.Sigset_t(0)), 0, 0); err != 0 {
t.setErrno(err)
return -1
}
if oldact != 0 {
panic(todo(""))
}
return 0
}
// int fcntl(int fd, int cmd, ... /* arg */ );
func Xfcntl64(t *TLS, fd, cmd int32, args uintptr) (r int32) {
var err error
var p uintptr
var i int
switch cmd {
case fcntl.F_GETLK, fcntl.F_SETLK:
p = *(*uintptr)(unsafe.Pointer(args))
err = unix.FcntlFlock(uintptr(fd), int(cmd), (*unix.Flock_t)(unsafe.Pointer(p)))
case fcntl.F_GETFL, fcntl.F_FULLFSYNC:
i, err = unix.FcntlInt(uintptr(fd), int(cmd), 0)
r = int32(i)
case fcntl.F_SETFD, fcntl.F_SETFL:
arg := *(*int32)(unsafe.Pointer(args))
_, err = unix.FcntlInt(uintptr(fd), int(cmd), int(arg))
default:
panic(todo("%v: %v %v", origin(1), fd, cmd))
}
if err != nil {
if dmesgs {
dmesg("%v: fd %v cmd %v p %#x: %v FAIL", origin(1), fcntlCmdStr(fd), cmd, p, err)
}
t.setErrno(err)
return -1
}
if dmesgs {
dmesg("%v: %d %s %#x: ok", origin(1), fd, fcntlCmdStr(cmd), p)
}
return r
}
// int lstat(const char *pathname, struct stat *statbuf);
func Xlstat64(t *TLS, pathname, statbuf uintptr) int32 {
if err := unix.Lstat(GoString(pathname), (*unix.Stat_t)(unsafe.Pointer(statbuf))); err != nil {
if dmesgs {
dmesg("%v: %q: %v FAIL", origin(1), GoString(pathname), err)
}
t.setErrno(err)
return -1
}
if dmesgs {
dmesg("%v: %q: ok", origin(1), GoString(pathname))
}
return 0
}
// int stat(const char *pathname, struct stat *statbuf);
func Xstat64(t *TLS, pathname, statbuf uintptr) int32 {
if err := unix.Stat(GoString(pathname), (*unix.Stat_t)(unsafe.Pointer(statbuf))); err != nil {
if dmesgs {
dmesg("%v: %q: %v FAIL", origin(1), GoString(pathname), err)
}
t.setErrno(err)
return -1
}
if dmesgs {
dmesg("%v: %q: ok", origin(1), GoString(pathname))
}
return 0
}
// int fstatfs(int fd, struct statfs *buf);
func Xfstatfs(t *TLS, fd int32, buf uintptr) int32 {
if err := unix.Fstatfs(int(fd), (*unix.Statfs_t)(unsafe.Pointer(buf))); err != nil {
if dmesgs {
dmesg("%v: %v: %v FAIL", origin(1), fd, err)
}
t.setErrno(err)
return -1
}
if dmesgs {
dmesg("%v: %v: ok", origin(1), fd)
}
return 0
}
// int statfs(const char *path, struct statfs *buf);
func Xstatfs(t *TLS, path uintptr, buf uintptr) int32 {
if err := unix.Statfs(GoString(path), (*unix.Statfs_t)(unsafe.Pointer(buf))); err != nil {
if dmesgs {
dmesg("%v: %q: %v FAIL", origin(1), GoString(path), err)
}
t.setErrno(err)
return -1
}
if dmesgs {
dmesg("%v: %q: ok", origin(1), GoString(path))
}
return 0
}
// int fstat(int fd, struct stat *statbuf);
func Xfstat64(t *TLS, fd int32, statbuf uintptr) int32 {
if err := unix.Fstat(int(fd), (*unix.Stat_t)(unsafe.Pointer(statbuf))); err != nil {
if dmesgs {
dmesg("%v: fd %d: %v FAIL", origin(1), fd, err)
}
t.setErrno(err)
return -1
}
if dmesgs {
dmesg("%v: fd %d: ok", origin(1), fd)
}
return 0
}
// off64_t lseek64(int fd, off64_t offset, int whence);
func Xlseek64(t *TLS, fd int32, offset types.Off_t, whence int32) types.Off_t {
n, err := unix.Seek(int(fd), int64(offset), int(whence))
if err != nil {
if dmesgs {
dmesg("%v: %v FAIL", origin(1), err)
}
t.setErrno(err)
return -1
}
if dmesgs {
dmesg("%v: ok", origin(1))
}
return types.Off_t(n)
}
// int utime(const char *filename, const struct utimbuf *times);
func Xutime(t *TLS, filename, times uintptr) int32 {
var a []unix.Timeval
if times != 0 {
a = make([]unix.Timeval, 2)
a[0].Sec = (*utime.Utimbuf)(unsafe.Pointer(times)).Factime
a[1].Sec = (*utime.Utimbuf)(unsafe.Pointer(times)).Fmodtime
}
if err := unix.Utimes(GoString(filename), a); err != nil {
if dmesgs {
dmesg("%v: %v FAIL", origin(1), err)
}
t.setErrno(err)
return -1
}
if dmesgs {
dmesg("%v: ok", origin(1))
}
return 0
}
// unsigned int alarm(unsigned int seconds);
func Xalarm(t *TLS, seconds uint32) uint32 {
panic(todo(""))
// n, _, err := unix.Syscall(unix.SYS_ALARM, uintptr(seconds), 0, 0)
// if err != 0 {
// panic(todo(""))
// }
// return uint32(n)
}
// time_t time(time_t *tloc);
func Xtime(t *TLS, tloc uintptr) types.Time_t {
panic(todo(""))
// n := time.Now().UTC().Unix()
// if tloc != 0 {
// *(*types.Time_t)(unsafe.Pointer(tloc)) = types.Time_t(n)
// }
// return types.Time_t(n)
}
// // int getrlimit(int resource, struct rlimit *rlim);
// func Xgetrlimit64(t *TLS, resource int32, rlim uintptr) int32 {
// if _, _, err := unix.Syscall(unix.SYS_GETRLIMIT, uintptr(resource), uintptr(rlim), 0); err != 0 {
// t.setErrno(err)
// return -1
// }
//
// return 0
// }
// int mkdir(const char *path, mode_t mode);
func Xmkdir(t *TLS, path uintptr, mode types.Mode_t) int32 {
if err := unix.Mkdir(GoString(path), uint32(mode)); err != nil {
if dmesgs {
dmesg("%v: %q: %v FAIL", origin(1), GoString(path), err)
}
t.setErrno(err)
return -1
}
if dmesgs {
dmesg("%v: %q: ok", origin(1), GoString(path))
}
return 0
}
// int symlink(const char *target, const char *linkpath);
func Xsymlink(t *TLS, target, linkpath uintptr) int32 {
if err := unix.Symlink(GoString(target), GoString(linkpath)); err != nil {
if dmesgs {
dmesg("%v: %v FAIL", origin(1), err)
}
t.setErrno(err)
return -1
}
if dmesgs {
dmesg("%v: ok", origin(1))
}
return 0
}
// int chmod(const char *pathname, mode_t mode)
func Xchmod(t *TLS, pathname uintptr, mode types.Mode_t) int32 {
if err := unix.Chmod(GoString(pathname), uint32(mode)); err != nil {
if dmesgs {
dmesg("%v: %q %#o: %v FAIL", origin(1), GoString(pathname), mode, err)
}
t.setErrno(err)
return -1
}
if dmesgs {
dmesg("%v: %q %#o: ok", origin(1), GoString(pathname), mode)
}
return 0
}
// int utimes(const char *filename, const struct timeval times[2]);
func Xutimes(t *TLS, filename, times uintptr) int32 {
var a []unix.Timeval
if times != 0 {
a = make([]unix.Timeval, 2)
a[0] = *(*unix.Timeval)(unsafe.Pointer(times))
a[1] = *(*unix.Timeval)(unsafe.Pointer(times + unsafe.Sizeof(unix.Timeval{})))
}
if err := unix.Utimes(GoString(filename), a); err != nil {
if dmesgs {
dmesg("%v: %v FAIL", origin(1), err)
}
t.setErrno(err)
return -1
}
if dmesgs {
dmesg("%v: ok", origin(1))
}
return 0
}
// int unlink(const char *pathname);
func Xunlink(t *TLS, pathname uintptr) int32 {
if err := unix.Unlink(GoString(pathname)); err != nil {
if dmesgs {
dmesg("%v: %q: %v", origin(1), GoString(pathname), err)
}
t.setErrno(err)
return -1
}
if dmesgs {
dmesg("%v: ok", origin(1))
}
return 0
}
// int access(const char *pathname, int mode);
func Xaccess(t *TLS, pathname uintptr, mode int32) int32 {
if err := unix.Access(GoString(pathname), uint32(mode)); err != nil {
if dmesgs {
dmesg("%v: %q %#o: %v FAIL", origin(1), GoString(pathname), mode, err)
}
t.setErrno(err)
return -1
}
if dmesgs {
dmesg("%v: %q %#o: ok", origin(1), GoString(pathname), mode)
}
return 0
}
// int rename(const char *oldpath, const char *newpath);
func Xrename(t *TLS, oldpath, newpath uintptr) int32 {
if err := unix.Rename(GoString(oldpath), GoString(newpath)); err != nil {
if dmesgs {
dmesg("%v: %v FAIL", origin(1), err)
}
t.setErrno(err)
return -1
}
if dmesgs {
dmesg("%v: ok", origin(1))
}
return 0
}
// int mknod(const char *pathname, mode_t mode, dev_t dev);
func Xmknod(t *TLS, pathname uintptr, mode types.Mode_t, dev types.Dev_t) int32 {
panic(todo(""))
// if _, _, err := unix.Syscall(unix.SYS_MKNOD, pathname, uintptr(mode), uintptr(dev)); err != 0 {
// t.setErrno(err)
// return -1
// }
// return 0
}
// int chown(const char *pathname, uid_t owner, gid_t group);
func Xchown(t *TLS, pathname uintptr, owner types.Uid_t, group types.Gid_t) int32 {
panic(todo(""))
// if _, _, err := unix.Syscall(unix.SYS_CHOWN, pathname, uintptr(owner), uintptr(group)); err != 0 {
// t.setErrno(err)
// return -1
// }
// return 0
}
// int link(const char *oldpath, const char *newpath);
func Xlink(t *TLS, oldpath, newpath uintptr) int32 {
panic(todo(""))
// if _, _, err := unix.Syscall(unix.SYS_LINK, oldpath, newpath, 0); err != 0 {
// t.setErrno(err)
// return -1
// }
// return 0
}
// int dup2(int oldfd, int newfd);
func Xdup2(t *TLS, oldfd, newfd int32) int32 {
panic(todo(""))
// n, _, err := unix.Syscall(unix.SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
// if err != 0 {
// t.setErrno(err)
// return -1
// }
// return int32(n)
}
// ssize_t readlink(const char *restrict path, char *restrict buf, size_t bufsize);
func Xreadlink(t *TLS, path, buf uintptr, bufsize types.Size_t) types.Ssize_t {
var n int
var err error
switch {
case buf == 0 || bufsize == 0:
n, err = unix.Readlink(GoString(path), nil)
default:
n, err = unix.Readlink(GoString(path), (*RawMem)(unsafe.Pointer(buf))[:bufsize:bufsize])
}
if err != nil {
if dmesgs {
dmesg("%v: %v FAIL", err)
}
t.setErrno(err)
return -1
}
if dmesgs {
dmesg("%v: ok")
}
return types.Ssize_t(n)
}
// FILE *fopen64(const char *pathname, const char *mode);
func Xfopen64(t *TLS, pathname, mode uintptr) uintptr {
m := strings.ReplaceAll(GoString(mode), "b", "")
var flags int
switch m {
case "r":
flags = fcntl.O_RDONLY
case "r+":
flags = fcntl.O_RDWR
case "w":
flags = fcntl.O_WRONLY | fcntl.O_CREAT | fcntl.O_TRUNC
case "w+":
flags = fcntl.O_RDWR | fcntl.O_CREAT | fcntl.O_TRUNC
case "a":
flags = fcntl.O_WRONLY | fcntl.O_CREAT | fcntl.O_APPEND
case "a+":
flags = fcntl.O_RDWR | fcntl.O_CREAT | fcntl.O_APPEND
default:
panic(m)
}
fd, err := unix.Open(GoString(pathname), int(flags), 0666)
if err != nil {
if dmesgs {
dmesg("%v: %q %q: %v FAIL", origin(1), GoString(pathname), GoString(mode), err)
}
t.setErrno(err)
return 0
}
if dmesgs {
dmesg("%v: %q %q: fd %v", origin(1), GoString(pathname), GoString(mode), fd)
}
if p := newFile(t, int32(fd)); p != 0 {
return p
}
panic("OOM")
}