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procfs: implement check_process_running and check_process_running_pstart 

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
This commit is contained in:
Christian Ebner 2019-04-04 13:28:14 +02:00 committed by Dietmar Maurer
parent 9a0d0ff774
commit 08daa81af6
1 changed files with 18 additions and 0 deletions
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18
src/tools/procfs.rs
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@ -51,3 +51,21 @@ pub fn read_proc_starttime(pid: libc::pid_t) -> Result<u64, Error> {
Ok(info.starttime)
}
pub fn check_process_running(pid: libc::pid_t) -> Option<ProcFsPidStat> {
if let Ok(info) = read_proc_pid_stat(pid) {
if info.status != 'Z' as u8 {
return Some(info);
}
}
None
}
pub fn check_process_running_pstart(pid: libc::pid_t, pstart: u64) -> Option<ProcFsPidStat> {
if let Some(info) = check_process_running(pid) {
if info.starttime == pstart {
return Some(info);
}
}
None
}