97 lines
2.8 KiB
Go
97 lines
2.8 KiB
Go
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// +build solaris
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package ps
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import (
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"encoding/binary"
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"fmt"
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"os"
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)
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type ushort_t uint16
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type id_t int32
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type pid_t int32
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type uid_t int32
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type gid_t int32
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type dev_t uint64
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type size_t uint64
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type uintptr_t uint64
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type timestruc_t [16]byte
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// This is copy from /usr/include/sys/procfs.h
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type psinfo_t struct {
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Pr_flag int32 /* process flags (DEPRECATED; do not use) */
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Pr_nlwp int32 /* number of active lwps in the process */
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Pr_pid pid_t /* unique process id */
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Pr_ppid pid_t /* process id of parent */
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Pr_pgid pid_t /* pid of process group leader */
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Pr_sid pid_t /* session id */
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Pr_uid uid_t /* real user id */
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Pr_euid uid_t /* effective user id */
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Pr_gid gid_t /* real group id */
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Pr_egid gid_t /* effective group id */
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Pr_addr uintptr_t /* address of process */
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Pr_size size_t /* size of process image in Kbytes */
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Pr_rssize size_t /* resident set size in Kbytes */
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Pr_pad1 size_t
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Pr_ttydev dev_t /* controlling tty device (or PRNODEV) */
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// Guess this following 2 ushort_t values require a padding to properly
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// align to the 64bit mark.
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Pr_pctcpu ushort_t /* % of recent cpu time used by all lwps */
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Pr_pctmem ushort_t /* % of system memory used by process */
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Pr_pad64bit [4]byte
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Pr_start timestruc_t /* process start time, from the epoch */
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Pr_time timestruc_t /* usr+sys cpu time for this process */
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Pr_ctime timestruc_t /* usr+sys cpu time for reaped children */
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Pr_fname [16]byte /* name of execed file */
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Pr_psargs [80]byte /* initial characters of arg list */
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Pr_wstat int32 /* if zombie, the wait() status */
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Pr_argc int32 /* initial argument count */
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Pr_argv uintptr_t /* address of initial argument vector */
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Pr_envp uintptr_t /* address of initial environment vector */
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Pr_dmodel [1]byte /* data model of the process */
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Pr_pad2 [3]byte
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Pr_taskid id_t /* task id */
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Pr_projid id_t /* project id */
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Pr_nzomb int32 /* number of zombie lwps in the process */
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Pr_poolid id_t /* pool id */
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Pr_zoneid id_t /* zone id */
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Pr_contract id_t /* process contract */
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Pr_filler int32 /* reserved for future use */
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Pr_lwp [128]byte /* information for representative lwp */
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}
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func (p *UnixProcess) Refresh() error {
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var psinfo psinfo_t
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path := fmt.Sprintf("/proc/%d/psinfo", p.pid)
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fh, err := os.Open(path)
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if err != nil {
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return err
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}
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defer fh.Close()
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err = binary.Read(fh, binary.LittleEndian, &psinfo)
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if err != nil {
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return err
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}
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p.ppid = int(psinfo.Pr_ppid)
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p.binary = toString(psinfo.Pr_fname[:], 16)
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return nil
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}
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func toString(array []byte, len int) string {
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for i := 0; i < len; i++ {
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if array[i] == 0 {
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return string(array[:i])
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}
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}
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return string(array[:])
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}
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