1 files changed, 67 insertions, 0 deletions
diff --git a/mit-pthreads/stdio/perror.c b/mit-pthreads/stdio/perror.c
new file mode 100644
index 00000000000..19fe52f5010
--- /dev/null
+++ b/mit-pthreads/stdio/perror.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 1988 Regents of the University of California.
+ * Copyright (c) 1993, 1994 Chris Provenzano 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 the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)perror.c	5.11 (Berkeley) 2/24/91";
+#endif /* LIBC_SCCS and not lint */
+
+#include <pthread.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+
+char *strerror(int); 	/* For systems that don't prototype it in string.h */
+
+void
+perror(s)
+	const char *s;
+{
+	char * e;
+
+    if (fd_lock(STDERR_FILENO, FD_WRITE, NULL) == OK) {
+		if (s && *s) {
+			fd_table[STDERR_FILENO]->ops->write(fd_table[STDERR_FILENO]->fd, 
+			  fd_table[STDERR_FILENO]->flags, s, strlen(s), NULL);
+			fd_table[STDERR_FILENO]->ops->write(fd_table[STDERR_FILENO]->fd, 
+			  fd_table[STDERR_FILENO]->flags, ": ", 2, NULL);
+		}
+		e = strerror(errno);
+		fd_table[STDERR_FILENO]->ops->write(fd_table[STDERR_FILENO]->fd, 
+		  fd_table[STDERR_FILENO]->flags, e, strlen(e), NULL);
+		fd_table[STDERR_FILENO]->ops->write(fd_table[STDERR_FILENO]->fd, 
+		  fd_table[STDERR_FILENO]->flags, "\n", 1, NULL);
+		fd_unlock(STDERR_FILENO, FD_WRITE);
+	}
+}