From 3d2d448af1b16923f5a329b49bb8e658dbad8a06 Mon Sep 17 00:00:00 2001
From: Elliott Hughes <enh@google.com>
Date: Mon, 13 Aug 2012 16:38:29 -0700
Subject: [PATCH] Fix nice...
...by switching to the NetBSD implementation.
Change-Id: I562b27b237a24ded95804035cc322c7bff12ff59
---
libc/Android.mk | 3 +-
libc/unistd/nice.c | 35 --------------
libc/upstream-netbsd/libc/gen/nice.c | 70 ++++++++++++++++++++++++++++
libc/upstream-netbsd/namespace.h | 25 ++++++++++
4 files changed, 97 insertions(+), 36 deletions(-)
delete mode 100644 libc/unistd/nice.c
create mode 100644 libc/upstream-netbsd/libc/gen/nice.c
create mode 100644 libc/upstream-netbsd/namespace.h
diff --git a/libc/Android.mk b/libc/Android.mk
index d0c9218ee..c20d29f32 100644
--- a/libc/Android.mk
+++ b/libc/Android.mk
@@ -31,7 +31,6 @@ libc_common_src_files := \
unistd/killpg.c \
unistd/lseek64.c \
unistd/mmap.c \
- unistd/nice.c \
unistd/open.c \
unistd/openat.c \
unistd/opendir.c \
@@ -338,6 +337,7 @@ libc_common_src_files := \
regex/regfree.c \
libc_upstream_netbsd_src_files := \
+ upstream-netbsd/libc/gen/nice.c \
upstream-netbsd/libc/string/strxfrm.c \
# The following files are common, but must be compiled
@@ -749,6 +749,7 @@ include $(CLEAR_VARS)
LOCAL_SRC_FILES := $(libc_upstream_netbsd_src_files)
LOCAL_CFLAGS := \
$(libc_common_cflags) \
+ -I$(LOCAL_PATH)/upstream-netbsd \
-include upstream-netbsd/netbsd-compat.h
LOCAL_C_INCLUDES := $(libc_common_c_includes)
LOCAL_MODULE := libc_netbsd
diff --git a/libc/unistd/nice.c b/libc/unistd/nice.c
deleted file mode 100644
index 09b6469a6..000000000
--- a/libc/unistd/nice.c
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * 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 COPYRIGHT HOLDERS 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
- * COPYRIGHT OWNER 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 <sys/resource.h>
-
-int nice(int increment)
-{
- int priority = getpriority(PRIO_PROCESS, 0);
-
- return setpriority( PRIO_PROCESS, 0, priority+increment);
-}
diff --git a/libc/upstream-netbsd/libc/gen/nice.c b/libc/upstream-netbsd/libc/gen/nice.c
new file mode 100644
index 000000000..19d671148
--- /dev/null
+++ b/libc/upstream-netbsd/libc/gen/nice.c
@@ -0,0 +1,70 @@
+/* $NetBSD: nice.c,v 1.13 2011/05/01 02:49:54 christos Exp $ */
+
+/*
+ * Copyright (c) 1983, 1993
+ * The Regents of the University of California. 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. 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.
+ */
+
+#include <sys/cdefs.h>
+#if defined(LIBC_SCCS) && !defined(lint)
+#if 0
+static char sccsid[] = "@(#)nice.c 8.1 (Berkeley) 6/4/93";
+#else
+__RCSID("$NetBSD: nice.c,v 1.13 2011/05/01 02:49:54 christos Exp $");
+#endif
+#endif /* LIBC_SCCS and not lint */
+
+#include "namespace.h"
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <errno.h>
+#include <unistd.h>
+
+#ifdef __weak_alias
+__weak_alias(nice,_nice)
+#endif
+
+/*
+ * Backwards compatible nice.
+ */
+int
+nice(int incr)
+{
+ int prio;
+
+ errno = 0;
+ prio = getpriority(PRIO_PROCESS, 0);
+ if (prio == -1 && errno)
+ return -1;
+ if (setpriority(PRIO_PROCESS, 0, prio + incr) == -1) {
+ if (errno == EACCES)
+ errno = EPERM;
+ return -1;
+ }
+ return getpriority(PRIO_PROCESS, 0);
+}
diff --git a/libc/upstream-netbsd/namespace.h b/libc/upstream-netbsd/namespace.h
new file mode 100644
index 000000000..a4d415101
--- /dev/null
+++ b/libc/upstream-netbsd/namespace.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _BIONIC_NETBSD_NAMESPACE_H_included
+#define _BIONIC_NETBSD_NAMESPACE_H_included
+
+// NetBSD uses __weak_alias on a lot of functions. We don't want that.
+#if defined(__weak_alias)
+#undef __weak_alias
+#endif
+
+#endif