diff options
Diffstat (limited to 'vendor/github.com/mitchellh/go-ps/process_freebsd.go')
| -rw-r--r-- | vendor/github.com/mitchellh/go-ps/process_freebsd.go | 260 |
1 files changed, 0 insertions, 260 deletions
diff --git a/vendor/github.com/mitchellh/go-ps/process_freebsd.go b/vendor/github.com/mitchellh/go-ps/process_freebsd.go deleted file mode 100644 index 0212b66..0000000 --- a/vendor/github.com/mitchellh/go-ps/process_freebsd.go +++ /dev/null @@ -1,260 +0,0 @@ -// +build freebsd,amd64 - -package ps - -import ( - "bytes" - "encoding/binary" - "syscall" - "unsafe" -) - -// copied from sys/sysctl.h -const ( - CTL_KERN = 1 // "high kernel": proc, limits - KERN_PROC = 14 // struct: process entries - KERN_PROC_PID = 1 // by process id - KERN_PROC_PROC = 8 // only return procs - KERN_PROC_PATHNAME = 12 // path to executable -) - -// copied from sys/user.h -type Kinfo_proc struct { - Ki_structsize int32 - Ki_layout int32 - Ki_args int64 - Ki_paddr int64 - Ki_addr int64 - Ki_tracep int64 - Ki_textvp int64 - Ki_fd int64 - Ki_vmspace int64 - Ki_wchan int64 - Ki_pid int32 - Ki_ppid int32 - Ki_pgid int32 - Ki_tpgid int32 - Ki_sid int32 - Ki_tsid int32 - Ki_jobc [2]byte - Ki_spare_short1 [2]byte - Ki_tdev int32 - Ki_siglist [16]byte - Ki_sigmask [16]byte - Ki_sigignore [16]byte - Ki_sigcatch [16]byte - Ki_uid int32 - Ki_ruid int32 - Ki_svuid int32 - Ki_rgid int32 - Ki_svgid int32 - Ki_ngroups [2]byte - Ki_spare_short2 [2]byte - Ki_groups [64]byte - Ki_size int64 - Ki_rssize int64 - Ki_swrss int64 - Ki_tsize int64 - Ki_dsize int64 - Ki_ssize int64 - Ki_xstat [2]byte - Ki_acflag [2]byte - Ki_pctcpu int32 - Ki_estcpu int32 - Ki_slptime int32 - Ki_swtime int32 - Ki_cow int32 - Ki_runtime int64 - Ki_start [16]byte - Ki_childtime [16]byte - Ki_flag int64 - Ki_kiflag int64 - Ki_traceflag int32 - Ki_stat [1]byte - Ki_nice [1]byte - Ki_lock [1]byte - Ki_rqindex [1]byte - Ki_oncpu [1]byte - Ki_lastcpu [1]byte - Ki_ocomm [17]byte - Ki_wmesg [9]byte - Ki_login [18]byte - Ki_lockname [9]byte - Ki_comm [20]byte - Ki_emul [17]byte - Ki_sparestrings [68]byte - Ki_spareints [36]byte - Ki_cr_flags int32 - Ki_jid int32 - Ki_numthreads int32 - Ki_tid int32 - Ki_pri int32 - Ki_rusage [144]byte - Ki_rusage_ch [144]byte - Ki_pcb int64 - Ki_kstack int64 - Ki_udata int64 - Ki_tdaddr int64 - Ki_spareptrs [48]byte - Ki_spareint64s [96]byte - Ki_sflag int64 - Ki_tdflags int64 -} - -// UnixProcess is an implementation of Process that contains Unix-specific -// fields and information. -type UnixProcess struct { - pid int - ppid int - state rune - pgrp int - sid int - - binary string -} - -func (p *UnixProcess) Pid() int { - return p.pid -} - -func (p *UnixProcess) PPid() int { - return p.ppid -} - -func (p *UnixProcess) Executable() string { - return p.binary -} - -// Refresh reloads all the data associated with this process. -func (p *UnixProcess) Refresh() error { - - mib := []int32{CTL_KERN, KERN_PROC, KERN_PROC_PID, int32(p.pid)} - - buf, length, err := call_syscall(mib) - if err != nil { - return err - } - proc_k := Kinfo_proc{} - if length != uint64(unsafe.Sizeof(proc_k)) { - return err - } - - k, err := parse_kinfo_proc(buf) - if err != nil { - return err - } - - p.ppid, p.pgrp, p.sid, p.binary = copy_params(&k) - return nil -} - -func copy_params(k *Kinfo_proc) (int, int, int, string) { - n := -1 - for i, b := range k.Ki_comm { - if b == 0 { - break - } - n = i + 1 - } - comm := string(k.Ki_comm[:n]) - - return int(k.Ki_ppid), int(k.Ki_pgid), int(k.Ki_sid), comm -} - -func findProcess(pid int) (Process, error) { - mib := []int32{CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, int32(pid)} - - _, _, err := call_syscall(mib) - if err != nil { - return nil, err - } - - return newUnixProcess(pid) -} - -func processes() ([]Process, error) { - results := make([]Process, 0, 50) - - mib := []int32{CTL_KERN, KERN_PROC, KERN_PROC_PROC, 0} - buf, length, err := call_syscall(mib) - if err != nil { - return results, err - } - - // get kinfo_proc size - k := Kinfo_proc{} - procinfo_len := int(unsafe.Sizeof(k)) - count := int(length / uint64(procinfo_len)) - - // parse buf to procs - for i := 0; i < count; i++ { - b := buf[i*procinfo_len : i*procinfo_len+procinfo_len] - k, err := parse_kinfo_proc(b) - if err != nil { - continue - } - p, err := newUnixProcess(int(k.Ki_pid)) - if err != nil { - continue - } - p.ppid, p.pgrp, p.sid, p.binary = copy_params(&k) - - results = append(results, p) - } - - return results, nil -} - -func parse_kinfo_proc(buf []byte) (Kinfo_proc, error) { - var k Kinfo_proc - br := bytes.NewReader(buf) - err := binary.Read(br, binary.LittleEndian, &k) - if err != nil { - return k, err - } - - return k, nil -} - -func call_syscall(mib []int32) ([]byte, uint64, error) { - miblen := uint64(len(mib)) - - // get required buffer size - length := uint64(0) - _, _, err := syscall.RawSyscall6( - syscall.SYS___SYSCTL, - uintptr(unsafe.Pointer(&mib[0])), - uintptr(miblen), - 0, - uintptr(unsafe.Pointer(&length)), - 0, - 0) - if err != 0 { - b := make([]byte, 0) - return b, length, err - } - if length == 0 { - b := make([]byte, 0) - return b, length, err - } - // get proc info itself - buf := make([]byte, length) - _, _, err = syscall.RawSyscall6( - syscall.SYS___SYSCTL, - uintptr(unsafe.Pointer(&mib[0])), - uintptr(miblen), - uintptr(unsafe.Pointer(&buf[0])), - uintptr(unsafe.Pointer(&length)), - 0, - 0) - if err != 0 { - return buf, length, err - } - - return buf, length, nil -} - -func newUnixProcess(pid int) (*UnixProcess, error) { - p := &UnixProcess{pid: pid} - return p, p.Refresh() -} |