func processes() ([]Process, error) {
results := make([]Process, 0, 50)
mib := []int32{CTLKern, KernProc, KernProcProc, 0}
buf, length, err := common.CallSyscall(mib)
if err != nil {
return results, err
}
// get kinfo_proc size
k := KinfoProc{}
procinfoLen := int(unsafe.Sizeof(k))
count := int(length / uint64(procinfoLen))
// parse buf to procs
for i := 0; i < count; i++ {
b := buf[i*procinfoLen : i*procinfoLen+procinfoLen]
k, err := parseKinfoProc(b)
if err != nil {
continue
}
p, err := NewProcess(int32(k.KiPid))
if err != nil {
continue
}
copyParams(&k, p)
results = append(results, *p)
}
return results, nil
}
func (p *Process) Cmdline() (string, error) {
mib := []int32{CTLKern, KernProc, KernProcArgs, p.Pid}
buf, _, err := common.CallSyscall(mib)
if err != nil {
return "", err
}
ret := strings.FieldsFunc(string(buf), func(r rune) bool {
if r == '\u0000' {
return true
}
return false
})
return strings.Join(ret, " "), nil
}
func (p *Process) getKProc() (*KinfoProc, error) {
mib := []int32{CTLKern, KernProc, KernProcPID, p.Pid}
buf, length, err := common.CallSyscall(mib)
if err != nil {
return nil, err
}
procK := KinfoProc{}
if length != uint64(unsafe.Sizeof(procK)) {
return nil, err
}
k, err := parseKinfoProc(buf)
if err != nil {
return nil, err
}
return &k, nil
}