github.com/ice-blockchain/go/src@v0.0.0-20240403114104-1564d284e521/runtime/os_js.go (about)

     1  // Copyright 2018 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build js && wasm
     6  
     7  package runtime
     8  
     9  import (
    10  	"unsafe"
    11  )
    12  
    13  func exit(code int32)
    14  
    15  func write1(fd uintptr, p unsafe.Pointer, n int32) int32 {
    16  	if fd > 2 {
    17  		throw("runtime.write to fd > 2 is unsupported")
    18  	}
    19  	wasmWrite(fd, p, n)
    20  	return n
    21  }
    22  
    23  //go:wasmimport gojs runtime.wasmWrite
    24  //go:noescape
    25  func wasmWrite(fd uintptr, p unsafe.Pointer, n int32)
    26  
    27  func usleep(usec uint32) {
    28  	// TODO(neelance): implement usleep
    29  }
    30  
    31  //go:wasmimport gojs runtime.getRandomData
    32  //go:noescape
    33  func getRandomData(r []byte)
    34  
    35  func readRandom(r []byte) int {
    36  	getRandomData(r)
    37  	return len(r)
    38  }
    39  
    40  func goenvs() {
    41  	goenvs_unix()
    42  }