Regression tests for libc_r (pthreads) library.

Thanks to pval@ for resolving the license stuff.

2 files changed, 136 insertions, 0 deletions

diff --git a/regress/lib/libc_r/switch/Makefile b/regress/lib/libc_r/switch/Makefile
new file mode 100644
index 00000000000..ef0d6108068
--- /dev/null
+++ b/regress/lib/libc_r/switch/Makefile
@@ -0,0 +1,6 @@
+# $OpenBSD: Makefile,v 1.1 2001/08/15 14:37:16 fgsch Exp $
+
+PROG=	switch
+SRCS=	switch.c
+
+.include <bsd.prog.mk>
diff --git a/regress/lib/libc_r/switch/switch.c b/regress/lib/libc_r/switch/switch.c
new file mode 100644
index 00000000000..94fc9934bff
--- /dev/null
+++ b/regress/lib/libc_r/switch/switch.c
@@ -0,0 +1,130 @@
+/*	$OpenBSD: switch.c,v 1.1 2001/08/15 14:37:16 fgsch Exp $	*/
+/*
+ * Copyright (c) 1993, 1994, 1995, 1996 by Chris Provenzano and contributors, 
+ * proven@mit.edu All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Chris Provenzano,
+ *	the University of California, Berkeley, and contributors.
+ * 4. Neither the name of Chris Provenzano, the University, nor the names of
+ *   contributors may be used to endorse or promote products derived
+ *   from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL CHRIS PROVENZANO, THE REGENTS OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */ 
+
+/* ==== test_switch.c ========================================================
+ * Copyright (c) 1993 by Chris Provenzano, proven@athena.mit.edu
+ *
+ * Description : Test context switch functionality.
+ *
+ *  1.00 93/08/04 proven
+ *      -Started coding this file.
+ */
+
+#include <pthread.h>
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include "test.h"
+
+const char buf[] = "abcdefghijklmnopqrstuvwxyz";
+char x[sizeof(buf)];
+int fd = 1;
+
+volatile int ending = 0;
+
+/* ==========================================================================
+ * usage();
+ */
+void usage(void)
+{
+    printf("test_switch [-d?] [-c count]\n");
+	printf("count must be between 2 and 26\n");
+    errno = 0;
+}
+
+void *
+new_thread(arg)
+	void *arg;
+{
+	SET_NAME("writer");
+	while (!ending) {
+		CHECKe(write (fd, (char *) arg, 1));
+		x[(char *)arg - buf] = 1;
+	}
+	return NULL;
+}
+
+int
+main(argc, argv)
+	int argc;
+	char **argv;
+{
+	pthread_t thread;
+	int count = 4;
+	int debug = 0;
+	int eof = 0;
+	long i;
+
+	/* Getopt variables. */
+	extern int optind, opterr;
+	extern char *optarg;
+
+	while (!eof)
+	  switch (getopt (argc, argv, "c:d?"))
+	    {
+	    case EOF:
+	      eof = 1;
+	      break;
+	    case 'd':
+	      debug++;
+	      break;
+	    case 'c':
+	      count = atoi(optarg);
+	      if ((count > 26) || (count < 2)) {
+			  count = 2;
+	      }
+	      break;
+	    case '?':
+	      usage();
+	      return(OK);
+	    default:
+	      usage();
+	      return(NOTOK);
+	    }
+
+	/* create the threads */
+	for (i = 0; i < count; i++)
+		CHECKr(pthread_create(&thread, NULL, new_thread, 
+		    (void*)(buf+i)));
+
+	/* give all threads a chance to run */
+	sleep (4);
+
+	ending = 1;
+	for (i = 0; i < count; i++)
+		ASSERT(x[i]);	/* make sure each thread ran */
+
+	SUCCEED;
+}