From 3b2e1bb3751bd9814f35af9bff681310921e2978 Mon Sep 17 00:00:00 2001
From: scottl <scottl@FreeBSD.org>
Date: Thu, 12 Jun 2003 16:53:55 +0000
Subject: Add the -H option to ps(1) to display all kernel visible threads in
 each process.  The default behavior of showing only the process is retained
 as the default.

---
 bin/ps/ps.c | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

(limited to 'bin/ps/ps.c')

diff --git a/bin/ps/ps.c b/bin/ps/ps.c
index 4896c4b..b288d71 100644
--- a/bin/ps/ps.c
+++ b/bin/ps/ps.c
@@ -113,9 +113,9 @@ static char Zfmt[] = "label";
 static kvm_t *kd;
 
 #if defined(LAZY_PS)
-#define PS_ARGS	"aCcefghjLlM:mN:O:o:p:rSTt:U:uvwxZ"
+#define PS_ARGS	"aCcefgHhjLlM:mN:O:o:p:rSTt:U:uvwxZ"
 #else
-#define PS_ARGS	"aCceghjLlM:mN:O:o:p:rSTt:U:uvwxZ"
+#define PS_ARGS	"aCcegHhjLlM:mN:O:o:p:rSTt:U:uvwxZ"
 #endif
 
 int
@@ -128,7 +128,7 @@ main(int argc, char *argv[])
 	pid_t pid;
 	uid_t *uids;
 	int all, ch, flag, i, _fmt, lineno, nentries, nocludge, dropgid;
-	int prtheader, wflag, what, xflg, uid, nuids;
+	int prtheader, wflag, what, xflg, uid, nuids, showthreads;
 	char *cols;
 	char errbuf[_POSIX2_LINE_MAX];
 	const char *cp, *nlistf, *memf;
@@ -174,6 +174,7 @@ main(int argc, char *argv[])
 	ttydev = NODEV;
 	dropgid = 0;
 	memf = nlistf = _PATH_DEVNULL;
+	showthreads = 0;
 	while ((ch = getopt(argc, argv, PS_ARGS)) != -1)
 		switch((char)ch) {
 		case 'a':
@@ -190,6 +191,9 @@ main(int argc, char *argv[])
 			break;
 		case 'g':
 			break;			/* no-op */
+		case 'H':
+			showthreads = 1;
+			break;
 		case 'h':
 			prtheader = ws.ws_row > 5 ? ws.ws_row : 22;
 			break;
@@ -353,9 +357,12 @@ main(int argc, char *argv[])
 	} else if (pid != -1) {
 		what = KERN_PROC_PID;
 		flag = pid;
-	} else {
+	} else if (showthreads == 1) {
 		what = KERN_PROC_ALL;
 		flag = 0;
+	} else {
+		what = KERN_PROC_PROC;
+		flag = 0;
 	}
 	/*
 	 * select procs
@@ -664,7 +671,7 @@ usage(void)
 {
 
 	(void)fprintf(stderr, "%s\n%s\n%s\n",
-	    "usage: ps [-aChjlmrSTuvwxZ] [-O|o fmt] [-p pid] [-t tty] [-U user]",
+	    "usage: ps [-aCHhjlmrSTuvwxZ] [-O|o fmt] [-p pid] [-t tty] [-U user]",
 	    "          [-M core] [-N system]",
 	    "       ps [-L]");
 	exit(1);
-- 
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