mirror of
https://github.com/superseriousbusiness/gotosocial
synced 2024-12-08 06:32:22 +01:00
71a4f8667c
Signed-off-by: kim (grufwub) <grufwub@gmail.com>
220 lines
5.3 KiB
Go
220 lines
5.3 KiB
Go
// Copyright 2020 The Libc Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build linux || darwin || freebsd
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// +build linux darwin freebsd
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package libc // import "modernc.org/libc"
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import (
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"os"
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gosignal "os/signal"
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"reflect"
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"syscall"
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"unsafe"
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"golang.org/x/sys/unix"
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"modernc.org/libc/errno"
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"modernc.org/libc/poll"
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"modernc.org/libc/signal"
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"modernc.org/libc/stdio"
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"modernc.org/libc/sys/types"
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)
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// sighandler_t signal(int signum, sighandler_t handler);
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func Xsignal(t *TLS, signum int32, handler uintptr) uintptr { //TODO use sigaction?
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signalsMu.Lock()
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defer signalsMu.Unlock()
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r := signals[signum]
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signals[signum] = handler
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switch handler {
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case signal.SIG_DFL:
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panic(todo("%v %#x", syscall.Signal(signum), handler))
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case signal.SIG_IGN:
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switch r {
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case signal.SIG_DFL:
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gosignal.Ignore(syscall.Signal(signum)) //TODO
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case signal.SIG_IGN:
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gosignal.Ignore(syscall.Signal(signum))
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default:
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panic(todo("%v %#x", syscall.Signal(signum), handler))
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}
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default:
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switch r {
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case signal.SIG_DFL:
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c := make(chan os.Signal, 1)
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gosignal.Notify(c, syscall.Signal(signum))
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go func() { //TODO mechanism to stop/cancel
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for {
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<-c
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var f func(*TLS, int32)
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*(*uintptr)(unsafe.Pointer(&f)) = handler
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tls := NewTLS()
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f(tls, signum)
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tls.Close()
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}
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}()
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case signal.SIG_IGN:
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panic(todo("%v %#x", syscall.Signal(signum), handler))
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default:
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panic(todo("%v %#x", syscall.Signal(signum), handler))
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}
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}
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return r
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}
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// void rewind(FILE *stream);
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func Xrewind(t *TLS, stream uintptr) {
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Xfseek(t, stream, 0, stdio.SEEK_SET)
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}
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// int putchar(int c);
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func Xputchar(t *TLS, c int32) int32 {
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if _, err := write([]byte{byte(c)}); err != nil {
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return stdio.EOF
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}
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return int32(c)
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}
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// int gethostname(char *name, size_t len);
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func Xgethostname(t *TLS, name uintptr, slen types.Size_t) int32 {
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if slen < 0 {
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t.setErrno(errno.EINVAL)
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return -1
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}
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if slen == 0 {
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return 0
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}
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s, err := os.Hostname()
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if err != nil {
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panic(todo(""))
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}
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n := len(s)
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if len(s) >= int(slen) {
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n = int(slen) - 1
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}
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sh := (*reflect.StringHeader)(unsafe.Pointer(&s))
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copy((*RawMem)(unsafe.Pointer(name))[:n:n], (*RawMem)(unsafe.Pointer(sh.Data))[:n:n])
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*(*byte)(unsafe.Pointer(name + uintptr(n))) = 0
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return 0
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}
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// int remove(const char *pathname);
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func Xremove(t *TLS, pathname uintptr) int32 {
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panic(todo(""))
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}
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// long pathconf(const char *path, int name);
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func Xpathconf(t *TLS, path uintptr, name int32) long {
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panic(todo(""))
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}
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// ssize_t recvfrom(int sockfd, void *buf, size_t len, int flags, struct sockaddr *src_addr, socklen_t *addrlen);
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func Xrecvfrom(t *TLS, sockfd int32, buf uintptr, len types.Size_t, flags int32, src_addr, addrlen uintptr) types.Ssize_t {
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panic(todo(""))
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}
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// ssize_t sendto(int sockfd, const void *buf, size_t len, int flags, const struct sockaddr *dest_addr, socklen_t addrlen);
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func Xsendto(t *TLS, sockfd int32, buf uintptr, len types.Size_t, flags int32, src_addr uintptr, addrlen socklen_t) types.Ssize_t {
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panic(todo(""))
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}
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// void srand48(long int seedval);
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func Xsrand48(t *TLS, seedval long) {
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panic(todo(""))
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}
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// long int lrand48(void);
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func Xlrand48(t *TLS) long {
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panic(todo(""))
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}
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// ssize_t sendmsg(int sockfd, const struct msghdr *msg, int flags);
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func Xsendmsg(t *TLS, sockfd int32, msg uintptr, flags int32) types.Ssize_t {
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panic(todo(""))
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}
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// int poll(struct pollfd *fds, nfds_t nfds, int timeout);
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func Xpoll(t *TLS, fds uintptr, nfds poll.Nfds_t, timeout int32) int32 {
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if nfds == 0 {
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panic(todo(""))
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}
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// if dmesgs {
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// dmesg("%v: %#x %v %v, %+v", origin(1), fds, nfds, timeout, (*[1000]unix.PollFd)(unsafe.Pointer(fds))[:nfds:nfds])
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// }
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n, err := unix.Poll((*[1000]unix.PollFd)(unsafe.Pointer(fds))[:nfds:nfds], int(timeout))
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// if dmesgs {
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// dmesg("%v: %v %v", origin(1), n, err)
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// }
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if err != nil {
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t.setErrno(err)
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return -1
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}
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return int32(n)
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}
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// ssize_t recvmsg(int sockfd, struct msghdr *msg, int flags);
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func Xrecvmsg(t *TLS, sockfd int32, msg uintptr, flags int32) types.Ssize_t {
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n, _, err := unix.Syscall(unix.SYS_RECVMSG, uintptr(sockfd), msg, uintptr(flags))
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if err != 0 {
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t.setErrno(err)
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return -1
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}
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return types.Ssize_t(n)
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}
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// struct cmsghdr *CMSG_NXTHDR(struct msghdr *msgh, struct cmsghdr *cmsg);
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func X__cmsg_nxthdr(t *TLS, msgh, cmsg uintptr) uintptr {
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panic(todo(""))
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}
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// wchar_t *wcschr(const wchar_t *wcs, wchar_t wc);
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func Xwcschr(t *TLS, wcs uintptr, wc wchar_t) wchar_t {
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panic(todo(""))
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}
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// gid_t getegid(void);
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func Xgetegid(t *TLS) types.Gid_t {
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panic(todo(""))
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}
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// gid_t getgid(void);
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func Xgetgid(t *TLS) types.Gid_t {
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panic(todo(""))
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}
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// void *shmat(int shmid, const void *shmaddr, int shmflg);
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func Xshmat(t *TLS, shmid int32, shmaddr uintptr, shmflg int32) uintptr {
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panic(todo(""))
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}
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// int shmctl(int shmid, int cmd, struct shmid_ds *buf);
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func Xshmctl(t *TLS, shmid, cmd int32, buf uintptr) int32 {
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panic(todo(""))
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}
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// int shmdt(const void *shmaddr);
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func Xshmdt(t *TLS, shmaddr uintptr) int32 {
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panic(todo(""))
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}
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// int getresuid(uid_t *ruid, uid_t *euid, uid_t *suid);
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func Xgetresuid(t *TLS, ruid, euid, suid uintptr) int32 {
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panic(todo(""))
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}
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// int getresgid(gid_t *rgid, gid_t *egid, gid_t *sgid);
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func Xgetresgid(t *TLS, rgid, egid, sgid uintptr) int32 {
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panic(todo(""))
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}
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