test pthread_detach.

regress/lib/libpthread/detach1/Makefile

@@ -0,0 +1,15 @@
+#	$NetBSD: Makefile,v 1.1 2005/01/21 11:54:24 yamt Exp $
+
+WARNS=3
+
+PROG=   detach1
+
+LDADD=	-lpthread
+CPPFLAGS+=	-I/usr/src/lib/libpthread/arch/i386
+
+NOMAN=
+
+regress:
+	./${PROG}
+
+.include <bsd.prog.mk>

regress/lib/libpthread/detach1/detach1.c

@@ -0,0 +1,55 @@
+/*	$NetBSD: detach1.c,v 1.1 2005/01/21 11:54:24 yamt Exp $	*/
+
+#include <err.h>
+#include <errno.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#define	NITER	100000
+
+void *func(void *);
+int main(void);
+
+void *
+func(void *dummy)
+{
+
+	return NULL;
+}
+
+int
+main()
+{
+	int i;
+
+	for (i = 0; i < NITER; i++) {
+		pthread_t t;
+		int error;
+
+		if (pthread_create(&t, NULL, func, NULL)) {
+			/*
+			 * sleep and retry once for the case that
+			 * the child threads are not finished yet.
+			 */
+			printf("%d sleeping...\n", i);
+			sleep(10);
+			if (pthread_create(&t, NULL, func, NULL))
+				err(1, "create");
+		}
+
+		if (i & 1)
+			sched_yield(); /* give a chance thread to finish */
+		if (pthread_detach(t))
+			err(1, "detach");
+
+		error = pthread_join(t, NULL);
+		if (error != ESRCH && error != EINVAL) {
+			printf("unexpected error %d\n", error);
+			exit(3);
+		}
+	}
+
+	exit(0);
+}