From 706f324ed2cae8af0b6565522c206f8c2fdf3b7b Mon Sep 17 00:00:00 2001
From: yamt <yamt@NetBSD.org>
Date: Tue, 27 Jul 2004 22:01:51 +0000
Subject: [PATCH] pthread_kill test. (currently fail with concurrency > 1)

---
 regress/lib/libpthread/Makefile       |   7 +-
 regress/lib/libpthread/kill1/Makefile |  14 +++
 regress/lib/libpthread/kill1/kill1.c  | 117 ++++++++++++++++++++++++++
 3 files changed, 135 insertions(+), 3 deletions(-)
 create mode 100644 regress/lib/libpthread/kill1/Makefile
 create mode 100644 regress/lib/libpthread/kill1/kill1.c

diff --git a/regress/lib/libpthread/Makefile b/regress/lib/libpthread/Makefile
index fe48d90b9bb2..534ad6a0fd45 100644
--- a/regress/lib/libpthread/Makefile
+++ b/regress/lib/libpthread/Makefile
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.20 2004/07/07 21:53:10 nathanw Exp $
+#	$NetBSD: Makefile,v 1.21 2004/07/27 22:01:51 yamt Exp $
 
 .include <bsd.own.mk>
 
@@ -16,8 +16,9 @@ ARCHSUBDIR=     ${MACHINE_CPU}
 .if defined(ARCHSUBDIR)
 
 SUBDIR+= atexit barrier1 cancel2 cond1 cond2 cond3 cond4 cond5 condcancel1 \
-	 conddestroy1 exit1 fork mutex1 mutex2 mutex3 mutex4 name once1 once2 \
-	 preempt1 resolv sem sigalarm sigmask1 siglongjmp1 sigsuspend
+	 conddestroy1 exit1 fork kill1 mutex1 mutex2 mutex3 mutex4 name \
+	 once1 once2 preempt1 resolv sem sigalarm sigmask1 siglongjmp1 \
+	 sigsuspend
 
 .endif
 
diff --git a/regress/lib/libpthread/kill1/Makefile b/regress/lib/libpthread/kill1/Makefile
new file mode 100644
index 000000000000..474c27b53bb4
--- /dev/null
+++ b/regress/lib/libpthread/kill1/Makefile
@@ -0,0 +1,14 @@
+#	$NetBSD: Makefile,v 1.1 2004/07/27 22:01:51 yamt Exp $
+
+WARNS=2
+
+PROG=   kill1
+
+LDADD=	-lpthread
+
+NOMAN=
+
+regress:
+	./kill1
+
+.include <bsd.prog.mk>
diff --git a/regress/lib/libpthread/kill1/kill1.c b/regress/lib/libpthread/kill1/kill1.c
new file mode 100644
index 000000000000..27966b7b2181
--- /dev/null
+++ b/regress/lib/libpthread/kill1/kill1.c
@@ -0,0 +1,117 @@
+/*	$NetBSD: kill1.c,v 1.1 2004/07/27 22:01:51 yamt Exp $	*/
+
+/*-
+ * Copyright (c)2004 YAMAMOTO Takashi,
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 THE AUTHOR 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.
+ */
+
+#include <err.h>
+#include <pthread.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define	NTHREAD	16
+struct threadinfo {
+	pthread_t id;
+	int gotsignal;
+} th[NTHREAD];
+
+pthread_t mainthread;
+
+void sighandler(int);
+void *f(void *);
+int main(int, char *[]);
+
+void
+sighandler(int signo)
+{
+	pthread_t self;
+	int i;
+
+	self = pthread_self();
+	if (self == mainthread || signo != SIGUSR1)
+		errx(EXIT_FAILURE, "unexpected signal");
+
+	for (i = 0; i < NTHREAD; i++)
+		if (self == th[i].id)
+			break;
+
+	if (i == NTHREAD)
+		errx(EXIT_FAILURE, "unknown thread");
+
+	th[i].gotsignal++;
+}
+
+void *
+f(void *arg)
+{
+	struct threadinfo volatile *t = arg;
+
+	while (t->gotsignal < 1) {
+		/* busy loop */
+	}
+
+	return NULL;
+}
+
+int
+main(int argc, char *argv[])
+{
+	int ret;
+	int i;
+	pthread_t self;
+
+	mainthread = pthread_self();
+
+	if (SIG_ERR == signal(SIGUSR1, sighandler))
+		err(EXIT_FAILURE, "signal");
+
+	for (i = 0; i < NTHREAD; i++) {
+		ret = pthread_create(&th[i].id, NULL, f, &th[i]);
+		if (ret)
+			err(EXIT_FAILURE, "pthread_create");
+	}
+
+	sched_yield();
+
+	self = pthread_self();
+	if (self != mainthread)
+		errx(EXIT_FAILURE, "thread id changed");
+
+	for (i = 0; i < NTHREAD; i++) {
+		ret = pthread_kill(th[i].id, SIGUSR1);
+		if (ret)
+			err(EXIT_FAILURE, "pthread_kill");
+	}
+
+	for (i = 0; i < NTHREAD; i++) {
+		ret = pthread_join(th[i].id, NULL);
+		if (ret)
+			err(EXIT_FAILURE, "pthread_join");
+	}
+
+	exit(EXIT_SUCCESS);
+}
+