svn commit: r327190 - user/pho/stress2/misc

[Peter Holm]

Author: pho
Date: Tue Dec 26 07:08:11 2017
New Revision: 327190
URL: https://svnweb.freebsd.org/changeset/base/327190

Log:
  Added a test scenario.
  
  Obtained from:	peterj@

Added:
  user/pho/stress2/misc/chain.sh   (contents, props changed)

Added: user/pho/stress2/misc/chain.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/chain.sh	Tue Dec 26 07:08:11 2017	(r327190)
@@ -0,0 +1,49 @@
+#!/bin/sh
+
+# Unkillable process in "vm map (user)" seen.
+# https://people.freebsd.org/~pho/stress/log/kostik1070.txt
+
+# Test scenario by Peter Jeremy <peterj@>
+
+if [ ! -f /usr/local/include/libmill.h -o \
+    ! -x /usr/local/lib/libmill.so ]; then
+	echo "ports/devel/libmill needed."
+	exit 0
+fi
+
+. ../default.cfg
+
+cat > /tmp/chain.c <<EOF
+#include <stdio.h>
+#include <stdlib.h>
+#include <libmill.h>
+
+coroutine void f(chan left, chan right) {
+    chs(left, int, 1 + chr(right, int));
+}
+
+int
+main(int argc __unused, char **argv)
+{
+	int i, n = argv[1] ? atoi(argv[1]) : 10000;
+	chan leftmost = chmake(int, 0);
+	chan left = NULL;
+	chan right = leftmost;
+
+	for (i = 0; i < n; i++) {
+		left = right;
+		right = chmake(int, 0);
+		go(f(left, right));
+	}
+	chs(right, int, 0);
+	i = chr(leftmost, int);
+	printf("result = %d\n", i);
+	return(0);
+}
+EOF
+
+mycc -o /tmp/chain -I /usr/local/include -L /usr/local/lib -Wall -Wextra \
+	 -O2 -g /tmp/chain.c -lmill || exit 1
+/tmp/chain 1000000
+rm -f /tmp/chain /tmp/chain.c
+exit 0