Regression tests for libc_r (pthreads) library.

Thanks to pval@ for resolving the license stuff.

1 files changed, 152 insertions, 0 deletions

diff --git a/regress/lib/libpthread/select/select.c b/regress/lib/libpthread/select/select.c
new file mode 100644
index 00000000000..8c850fcd6d2
--- /dev/null
+++ b/regress/lib/libpthread/select/select.c
@@ -0,0 +1,152 @@
+/*	$OpenBSD: select.c,v 1.1.1.1 2001/08/15 14:37:13 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.
+ */ 
+
+/*
+ * Rudimentary test of select().
+ */
+
+#include <pthread.h>
+#include <pthread_np.h>
+#include <stdio.h>
+#include <sys/fcntl.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <errno.h>
+#include <unistd.h>
+#include "test.h"
+
+#define NLOOPS 10000
+
+int ntouts = 0;
+
+void *
+bg_routine(arg)
+	void *arg;
+{
+	char dot = '.';
+	int n;
+
+	SET_NAME("bg");
+
+	/* Busy loop, printing dots */
+	for (;;) {
+		pthread_yield();
+		write(STDOUT_FILENO, &dot, sizeof dot);
+		pthread_yield();
+		n = NLOOPS;
+		while (n-- > 0)
+			pthread_yield();
+	}
+}
+
+void *
+fg_routine(arg)
+	void *arg;
+{
+	int	flags;
+	int	n;
+	fd_set	r;
+	int	fd = fileno((FILE *) arg);
+	int	tty = isatty(fd);
+	int	maxfd;
+	int	nb;
+	char	buf[128];
+
+	SET_NAME("fg");
+
+	/* Set the file descriptor to non-blocking */
+	flags = fcntl(fd, F_GETFL);
+	CHECKr(fcntl(fd, F_SETFL, flags | O_NONBLOCK));
+
+	for (;;) {
+
+		/* Print a prompt if it's a tty: */
+		if (tty) {
+			printf("type something> ");
+			fflush(stdout);
+		}
+
+		/* Select on the fdesc: */
+		FD_ZERO(&r);
+		FD_SET(fd, &r);
+		maxfd = fd;
+		errno = 0;
+		CHECKe(n = select(maxfd + 1, &r, (fd_set *) 0, (fd_set *) 0,
+				  (struct timeval *) 0));
+
+		if (n > 0) {
+			/* Something was ready for read. */
+			printf("select returned %d\n", n);
+			while ((nb = read(fd, buf, sizeof(buf) - 1)) > 0) {
+				printf("read %d: `%.*s'\n", nb, nb, buf);
+			}
+			printf("last read was %d, errno = %d %s\n", nb, errno,
+			       errno == 0 ? "success" : strerror(errno));
+			if (nb < 0)
+				ASSERTe(errno, == EWOULDBLOCK || 
+				    errno == EAGAIN);
+			if (nb == 0)
+				break;
+		} else
+			ntouts++;
+	}
+	printf("read finished\n");
+	return (NULL);
+}
+
+int
+main(argc, argv)
+	int argc;
+	char *argv[];
+{
+	pthread_t	bg_thread, fg_thread;
+	FILE *		slpr;
+
+	/* Create a fdesc that will block for a while on read: */
+	CHECKn(slpr = popen("sleep 2; echo foo", "r"));
+
+	/* Create a busy loop thread that yields a lot: */
+	CHECKr(pthread_create(&bg_thread, NULL, bg_routine, 0));
+
+	/* Create the thread that reads the fdesc: */
+	CHECKr(pthread_create(&fg_thread, NULL, fg_routine, (void *) slpr));
+
+	/* Wait for the reader thread to finish */
+	CHECKr(pthread_join(fg_thread, NULL));
+
+	/* Clean up*/
+	CHECKe(pclose(slpr));
+
+	SUCCEED;
+}