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From: Daniel Wagner <dwagner@suse.de>
To: Clark Williams <williams@redhat.com>, John Kacur <jkacur@redhat.com>
Cc: linux-rt-users@vger.kernel.org, Daniel Wagner <dwagner@suse.de>
Subject: [rt-tests v2 08/18] pip_stress: Add command line parser
Date: Wed,  7 Oct 2020 10:56:43 +0200
Message-ID: <20201007085653.11961-9-dwagner@suse.de> (raw)
In-Reply-To: <20201007085653.11961-1-dwagner@suse.de>

Add a default command line parser to print at least the current
version.

Signed-off-by: Daniel Wagner <dwagner@suse.de>
---
 src/pi_tests/pip_stress.c | 34 +++++++++++++++++++++++++++++-----
 1 file changed, 29 insertions(+), 5 deletions(-)

diff --git a/src/pi_tests/pip_stress.c b/src/pi_tests/pip_stress.c
index c9dbd992e15d..74cf53dcfa7a 100644
--- a/src/pi_tests/pip_stress.c
+++ b/src/pi_tests/pip_stress.c
@@ -67,12 +67,17 @@ struct State *statep;
 const int policy = SCHED_FIFO;
 const int prio_min;	/* Initialized for the minimum priority of policy */
 
-struct option long_options[] = {
-    { "usleep", required_argument, 0, 0 },
-    { 0,        0,                 0, 0 },
-};
+static void usage(int error)
+{
+	printf("pip_stress V %1.2f\n", VERSION);
+	printf("Usage:\n"
+	       "pip_stress <options>\n"\
+	       "-h	--help                  Show this help menu.\n"
+	       );
+	exit(error);
+}
 
-int main(void)
+int main(int argc, char *argv[])
 {
 	void *mptr;	/* memory pointer */
 	pid_t pid1, pid2;
@@ -80,6 +85,25 @@ int main(void)
 	int res;
 	int *minimum_priority = (int*)&prio_min;
 
+	for (;;) {
+		struct option long_options[] = {
+			{ "help",	no_argument,		NULL,	'h' },
+			{ NULL,		0,			NULL,	0 },
+		};
+
+		int c = getopt_long(argc, argv, "s:h", long_options, NULL);
+		if (c == -1)
+			break;
+		switch (c) {
+		case 'h':
+			usage(0);
+			break;
+		default:
+			usage(1);
+			break;
+		};
+	}
+
 	*minimum_priority = sched_get_priority_min(policy);
 
 	if (check_privs())
-- 
2.28.0


  parent reply index

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-07  8:56 [rt-tests v2 00/18] Streamline command line Daniel Wagner
2020-10-07  8:56 ` [rt-tests v2 01/18] rt-util: Move parse_cpumask from cyclictest Daniel Wagner
2020-10-23 15:46   ` John Kacur
2020-10-26 18:34     ` Daniel Wagner
2020-10-29 15:45       ` John Kacur
2020-10-07  8:56 ` [rt-tests v2 02/18] cyclictest: Use numa library helpers in get_available_cpus() Daniel Wagner
2020-10-23 15:55   ` John Kacur
2020-10-07  8:56 ` [rt-tests v2 03/18] cyclicdeadline: Streamline usage output and man page Daniel Wagner
2020-10-23 16:01   ` John Kacur
2020-10-07  8:56 ` [rt-tests v2 04/18] cyclicdeadline: Add long command line options Daniel Wagner
2020-10-23 16:07   ` John Kacur
2020-10-27  8:07     ` Daniel Wagner
2020-10-07  8:56 ` [rt-tests v2 05/18] deadline_test: Streamline usage output and man page Daniel Wagner
2020-10-23 16:10   ` John Kacur
2020-10-07  8:56 ` [rt-tests v2 06/18] oslat: " Daniel Wagner
2020-10-23 17:19   ` John Kacur
2020-10-07  8:56 ` [rt-tests v2 07/18] oslat: Use string parser utilies Daniel Wagner
2020-10-23 17:25   ` John Kacur
2020-10-27  8:09     ` Daniel Wagner
2020-10-07  8:56 ` Daniel Wagner [this message]
2020-10-23 17:33   ` [rt-tests v2 08/18] pip_stress: Add command line parser John Kacur
2020-10-27  8:09     ` Daniel Wagner
2020-10-07  8:56 ` [rt-tests v2 09/18] pi_stress: Streamline usage output and man page Daniel Wagner
2020-10-07  8:56 ` [rt-tests v2 10/18] pmqtest: " Daniel Wagner
2020-10-23 18:18   ` John Kacur
2020-10-23 18:23   ` John Kacur
2020-10-07  8:56 ` [rt-tests v2 11/18] ptsematest: " Daniel Wagner
2020-10-23 18:25   ` John Kacur
2020-10-07  8:56 ` [rt-tests v2 12/18] queuelat: Streamline usage " Daniel Wagner
2020-10-23 18:40   ` John Kacur
2020-10-07  8:56 ` [rt-tests v2 13/18] rt-migrate-test: " Daniel Wagner
2020-10-23 18:47   ` John Kacur
2020-10-07  8:56 ` [rt-tests v2 14/18] signaltest: " Daniel Wagner
2020-10-23 18:50   ` John Kacur
2020-10-07  8:56 ` [rt-tests v2 15/18] sigwaittest: " Daniel Wagner
2020-10-23 18:51   ` John Kacur
2020-10-07  8:56 ` [rt-tests v2 16/18] ssdd: " Daniel Wagner
2020-10-23 18:57   ` John Kacur
2020-10-07  8:56 ` [rt-tests v2 17/18] svsematest: " Daniel Wagner
2020-10-23 18:59   ` John Kacur
2020-10-07  8:56 ` [rt-tests v2 18/18] hackbench: " Daniel Wagner
2020-10-23 19:03   ` John Kacur

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