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72 lines
1.2 KiB
72 lines
1.2 KiB
4 years ago
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package gspt
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/*
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#include "setproctitle.h"
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*/
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import "C"
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import (
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"os"
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"strings"
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"unsafe"
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)
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const (
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// These values must match the return values for spt_init1() used in C.
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HaveNone = 0
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HaveNative = 1
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HaveReplacement = 2
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)
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var (
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HaveSetProcTitle int
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HaveSetProcTitleFast int
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)
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func init() {
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HaveSetProcTitle = int(C.spt_init1())
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HaveSetProcTitleFast = int(C.spt_fast_init1())
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if HaveSetProcTitle == HaveReplacement {
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newArgs := make([]string, len(os.Args))
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for i, s := range os.Args {
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// Use cgo to force go to make copies of the strings.
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cs := C.CString(s)
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newArgs[i] = C.GoString(cs)
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C.free(unsafe.Pointer(cs))
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}
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os.Args = newArgs
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env := os.Environ()
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for _, kv := range env {
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skv := strings.SplitN(kv, "=", 2)
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os.Setenv(skv[0], skv[1])
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}
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argc := C.int(len(os.Args))
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arg0 := C.CString(os.Args[0])
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defer C.free(unsafe.Pointer(arg0))
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C.spt_init2(argc, arg0)
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// Restore the original title.
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SetProcTitle(os.Args[0])
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}
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}
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func SetProcTitle(title string) {
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cs := C.CString(title)
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defer C.free(unsafe.Pointer(cs))
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C.spt_setproctitle(cs)
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}
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func SetProcTitleFast(title string) {
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cs := C.CString(title)
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defer C.free(unsafe.Pointer(cs))
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C.spt_setproctitle_fast(cs)
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}
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