2 files changed, 54 insertions, 0 deletions

diff --git a/src/regress/lib/libc/stdio_threading/fopen/Makefile b/src/regress/lib/libc/stdio_threading/fopen/Makefile
new file mode 100644
index 0000000000..e51deeff1d
--- /dev/null
+++ b/src/regress/lib/libc/stdio_threading/fopen/Makefile
@@ -0,0 +1,6 @@
+TOPDIR=${.CURDIR}
+PROG=fopen_test
+CFLAGS+=-I${TOPDIR}/../include/
+LDFLAGS+=-lpthread
+
+.include <bsd.regress.mk>
diff --git a/src/regress/lib/libc/stdio_threading/fopen/fopen_test.c b/src/regress/lib/libc/stdio_threading/fopen/fopen_test.c
new file mode 100755
index 0000000000..72359bb323
--- /dev/null
+++ b/src/regress/lib/libc/stdio_threading/fopen/fopen_test.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2008 Bret S. Lambert <blambert@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <pthread.h>
+#include "local.h"
+
+int
+writefn(void *cookie, const char *buf, int size)
+{
+        return 0;
+}
+
+void
+fopen_thread(void *v)
+{
+        FILE *file;
+        int i;
+
+        for (i = 0; i < 4096; i++) {
+                file = fwopen(&i, writefn);
+                if (file != NULL) {
+                        fputc('0', file);
+                        pthread_yield();
+                        fclose(file);
+                }
+        }
+}
+
+int
+main(void)
+{
+        run_threads(fopen_thread, NULL);
+        exit(0);
+}