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Index: bin/ps/ps.1
===================================================================
--- bin/ps/ps.1
+++ bin/ps/ps.1
@@ -165,7 +165,7 @@
.Cm user , pid , ppid , pgid , sid , jobc , state , tt , time ,
and
.Cm command .
-.It Fl J
+.It Fl J , Fl Fl jail
Display information about processes which match the specified jail IDs.
This may be either the
.Cm jid
@@ -224,8 +224,11 @@
option.
So the header texts for multiple keywords can be changed.
If all keywords have empty header texts, no header line is written.
-.It Fl p
+.It Fl p , Fl Fl pid
Display information about processes which match the specified process IDs.
+.It Fl P , Fl Fl ppid
+Display information about processes whose parent matches the specified
+process IDs.
.It Fl r
Sort by current CPU usage, instead of the combination of controlling
terminal and process ID.
@@ -235,7 +238,7 @@
.It Fl T
Display information about processes attached to the device associated
with the standard input.
-.It Fl t
+.It Fl t , Fl Fl tty
Display information about processes attached to the specified terminal
devices.
Full pathnames, as well as abbreviations (see explanation of the
Index: bin/ps/ps.c
===================================================================
--- bin/ps/ps.c
+++ bin/ps/ps.c
@@ -64,6 +64,7 @@
#include <err.h>
#include <errno.h>
#include <fcntl.h>
+#include <getopt.h>
#include <grp.h>
#include <jail.h>
#include <kvm.h>
@@ -170,12 +171,20 @@
"%cpu,%mem,command";
static char Zfmt[] = "label";
-#define PS_ARGS "AaCcde" OPT_LAZY_f "G:gHhjJ:LlM:mN:O:o:p:rSTt:U:uvwXxZ"
+static struct option longopts[] = {
+ { "jail", required_argument, NULL, 'J' },
+ { "pid", required_argument, NULL, 'p' },
+ { "ppid", required_argument, NULL, 'P' },
+ { "tty", required_argument, NULL, 't' },
+ { NULL, 0, NULL, 0 }
+};
+
+#define PS_ARGS "AaCcde" OPT_LAZY_f "G:gHhjJ:LlM:mN:O:o:p:P:rSTt:U:uvwXxZ"
int
main(int argc, char *argv[])
{
- struct listinfo gidlist, jidlist, pgrplist, pidlist;
+ struct listinfo gidlist, jidlist, pgrplist, pidlist, ppidlist;
struct listinfo ruidlist, sesslist, ttylist, uidlist;
struct kinfo_proc *kp;
KINFO *kinfo = NULL, *next_KINFO;
@@ -234,6 +243,7 @@
init_list(&jidlist, addelem_jid, sizeof(int), "jail id");
init_list(&pgrplist, addelem_pid, sizeof(pid_t), "process group");
init_list(&pidlist, addelem_pid, sizeof(pid_t), "process id");
+ init_list(&ppidlist, addelem_pid, sizeof(pid_t), "parent process id");
init_list(&ruidlist, addelem_uid, sizeof(uid_t), "ruser");
init_list(&sesslist, addelem_pid, sizeof(pid_t), "session id");
init_list(&ttylist, addelem_tty, sizeof(dev_t), "tty");
@@ -245,7 +255,7 @@
if (argc < 0)
exit(1);
- while ((ch = getopt(argc, argv, PS_ARGS)) != -1)
+ while ((ch = getopt_long(argc, argv, PS_ARGS, longopts, NULL)) != -1)
switch (ch) {
case 'A':
/*
@@ -352,6 +362,13 @@
*/
nselectors++;
break;
+ case 'P':
+ /*
+ * Non-standard option corresponding to Linux --ppid.
+ */
+ add_list(&ppidlist, optarg);
+ nselectors++;
+ break;
#if 0
case 'R':
/*-
@@ -558,6 +575,11 @@
if (kp->ki_pid == pidlist.l.pids[elem])
goto keepit;
}
+ if (ppidlist.count > 0) {
+ for (elem = 0; elem < ppidlist.count; elem++)
+ if (kp->ki_ppid == ppidlist.l.pids[elem])
+ goto keepit;
+ }
/*
* Note that we had to process pidlist before
* filtering out processes which do not have
@@ -1453,10 +1475,11 @@
{
#define SINGLE_OPTS "[-aCcde" OPT_LAZY_f "HhjlmrSTuvwXxZ]"
- (void)xo_error("%s\n%s\n%s\n%s\n",
+ (void)xo_error("%s\n%s\n%s\n%s\n%s\n",
"usage: ps " SINGLE_OPTS " [-O fmt | -o fmt] [-G gid[,gid...]]",
- " [-J jid[,jid...]] [-M core] [-N system]",
- " [-p pid[,pid...]] [-t tty[,tty...]] [-U user[,user...]]",
+ " [-J|--jail jid[,jid...]] [-M core] [-N system]",
+ " [-p|--pid pid[,pid...]] [-P|--ppid pid[,pid...]]",
+ " [-t tty[,tty...]] [-U user[,user...]]",
" ps [-L]");
exit(1);
}

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