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|
//go:build baremetal || js || wasm_unknown
package syscall
import (
"internal/itoa"
)
// Most code here has been copied from the Go sources:
// https://github.com/golang/go/blob/go1.12/src/syscall/syscall_js.go
// It has the following copyright note:
//
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// A Signal is a number describing a process signal.
// It implements the os.Signal interface.
type Signal int
const (
_ Signal = iota
SIGCHLD
SIGINT
SIGKILL
SIGTRAP
SIGQUIT
SIGTERM
SIGILL
SIGABRT
SIGBUS
SIGFPE
SIGSEGV
SIGPIPE
)
func (s Signal) Signal() {}
func (s Signal) String() string {
if 0 <= s && int(s) < len(signals) {
str := signals[s]
if str != "" {
return str
}
}
return "signal " + itoa.Itoa(int(s))
}
var signals = [...]string{}
// File system
const (
Stdin = 0
Stdout = 1
Stderr = 2
)
const (
O_RDONLY = 0
O_WRONLY = 1
O_RDWR = 2
O_CREAT = 0100
O_CREATE = O_CREAT
O_TRUNC = 01000
O_APPEND = 02000
O_EXCL = 0200
O_SYNC = 010000
O_CLOEXEC = 0
)
// Dummy values to allow compiling tests
// Dummy source: https://opensource.apple.com/source/xnu/xnu-7195.81.3/bsd/sys/mman.h.auto.html
const (
PROT_NONE = 0x00 // no permissions
PROT_READ = 0x01 // pages can be read
PROT_WRITE = 0x02 // pages can be written
PROT_EXEC = 0x04 // pages can be executed
MAP_SHARED = 0x0001 // share changes
MAP_PRIVATE = 0x0002 // changes are private
MAP_FILE = 0x0000 // map from file (default)
MAP_ANON = 0x1000 // allocated from memory, swap space
MAP_ANONYMOUS = MAP_ANON
)
func Open(path string, mode int, perm uint32) (fd int, err error) {
return 0, ENOSYS
}
func Read(fd int, p []byte) (n int, err error) {
return 0, ENOSYS
}
func Seek(fd int, offset int64, whence int) (off int64, err error) {
return 0, ENOSYS
}
func Close(fd int) (err error) {
return ENOSYS
}
// Processes
type WaitStatus uint32
func (w WaitStatus) Exited() bool { return false }
func (w WaitStatus) ExitStatus() int { return 0 }
func (w WaitStatus) Signaled() bool { return false }
func (w WaitStatus) Signal() Signal { return 0 }
func (w WaitStatus) CoreDump() bool { return false }
func (w WaitStatus) Stopped() bool { return false }
func (w WaitStatus) Continued() bool { return false }
func (w WaitStatus) StopSignal() Signal { return 0 }
func (w WaitStatus) TrapCause() int { return 0 }
// XXX made up
type Rusage struct {
Utime Timeval
Stime Timeval
}
// XXX made up
type ProcAttr struct {
Dir string
Env []string
Files []uintptr
Sys *SysProcAttr
}
type SysProcAttr struct {
}
func Getgroups() ([]int, error) { return []int{1}, nil }
func Gettimeofday(tv *Timeval) error { return ENOSYS }
func Kill(pid int, signum Signal) error { return ENOSYS }
func Pipe2(p []int, flags int) (err error) {
return ENOSYS // TODO
}
func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
return 0, ENOSYS
}
func StartProcess(argv0 string, argv []string, attr *ProcAttr) (pid int, handle uintptr, err error) {
return 0, 0, ENOSYS
}
func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, err error) {
return 0, ENOSYS
}
func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) {
return nil, ENOSYS
}
func Munmap(b []byte) (err error) {
return ENOSYS
}
type Timeval struct {
Sec int64
Usec int64
}
func Getpagesize() int {
// There is no right value to return here, but 4096 is a
// common assumption when pagesize is unknown
return 4096
}
type RawSockaddrInet4 struct {
// stub
}
type RawSockaddrInet6 struct {
// stub
}
|
