Merge "init: manually set controlling tty for console services"
diff --git a/include/arch/darwin-x86/AndroidConfig.h b/include/arch/darwin-x86/AndroidConfig.h
index f79f364..48f8d9a 100644
--- a/include/arch/darwin-x86/AndroidConfig.h
+++ b/include/arch/darwin-x86/AndroidConfig.h
@@ -305,4 +305,14 @@
  */
 #define HAVE_PRINTF_ZD 1
 
+/*
+ * Define to 1 if <stdlib.h> provides qsort_r() with a BSD style function prototype.
+ */
+#define HAVE_BSD_QSORT_R 1
+
+/*
+ * Define to 1 if <stdlib.h> provides qsort_r() with a GNU style function prototype.
+ */
+#define HAVE_GNU_QSORT_R 0
+
 #endif /*_ANDROID_CONFIG_H*/
diff --git a/include/arch/freebsd-x86/AndroidConfig.h b/include/arch/freebsd-x86/AndroidConfig.h
index a8176f4..4bc5559 100644
--- a/include/arch/freebsd-x86/AndroidConfig.h
+++ b/include/arch/freebsd-x86/AndroidConfig.h
@@ -363,4 +363,14 @@
  */
 #define HAVE_PRINTF_ZD 1
 
+/*
+ * Define to 1 if <stdlib.h> provides qsort_r() with a BSD style function prototype.
+ */
+#define HAVE_BSD_QSORT_R 1
+
+/*
+ * Define to 1 if <stdlib.h> provides qsort_r() with a GNU style function prototype.
+ */
+#define HAVE_GNU_QSORT_R 0
+
 #endif /*_ANDROID_CONFIG_H*/
diff --git a/include/arch/linux-arm/AndroidConfig.h b/include/arch/linux-arm/AndroidConfig.h
index b8e8713..233752b 100644
--- a/include/arch/linux-arm/AndroidConfig.h
+++ b/include/arch/linux-arm/AndroidConfig.h
@@ -361,4 +361,14 @@
  */
 #define HAVE_PRINTF_ZD 1
 
+/*
+ * Define to 1 if <stdlib.h> provides qsort_r() with a BSD style function prototype.
+ */
+#define HAVE_BSD_QSORT_R 0
+
+/*
+ * Define to 1 if <stdlib.h> provides qsort_r() with a GNU style function prototype.
+ */
+#define HAVE_GNU_QSORT_R 0
+
 #endif /* _ANDROID_CONFIG_H */
diff --git a/include/arch/linux-ppc/AndroidConfig.h b/include/arch/linux-ppc/AndroidConfig.h
index 774c458..ae2569b 100644
--- a/include/arch/linux-ppc/AndroidConfig.h
+++ b/include/arch/linux-ppc/AndroidConfig.h
@@ -323,4 +323,14 @@
  */
 #define HAVE_PREAD 1
 
+/*
+ * Define to 1 if <stdlib.h> provides qsort_r() with a BSD style function prototype.
+ */
+#define HAVE_BSD_QSORT_R 0
+
+/*
+ * Define to 1 if <stdlib.h> provides qsort_r() with a GNU style function prototype.
+ */
+#define HAVE_GNU_QSORT_R 1
+
 #endif /*_ANDROID_CONFIG_H*/
diff --git a/include/arch/linux-sh/AndroidConfig.h b/include/arch/linux-sh/AndroidConfig.h
index cdfa2ac..818b628 100644
--- a/include/arch/linux-sh/AndroidConfig.h
+++ b/include/arch/linux-sh/AndroidConfig.h
@@ -366,4 +366,14 @@
  */
 #define HAVE_PRINTF_ZD 1
 
+/*
+ * Define to 1 if <stdlib.h> provides qsort_r() with a BSD style function prototype.
+ */
+#define HAVE_BSD_QSORT_R 0
+
+/*
+ * Define to 1 if <stdlib.h> provides qsort_r() with a GNU style function prototype.
+ */
+#define HAVE_GNU_QSORT_R 0
+
 #endif /* _ANDROID_CONFIG_H */
diff --git a/include/arch/linux-x86/AndroidConfig.h b/include/arch/linux-x86/AndroidConfig.h
index 6521699..431a54b 100644
--- a/include/arch/linux-x86/AndroidConfig.h
+++ b/include/arch/linux-x86/AndroidConfig.h
@@ -333,4 +333,18 @@
  */
 #define HAVE_PRINTF_ZD 1
 
+/*
+ * Define to 1 if <stdlib.h> provides qsort_r() with a BSD style function prototype.
+ */
+#define HAVE_BSD_QSORT_R 0
+
+/*
+ * Define to 1 if <stdlib.h> provides qsort_r() with a GNU style function prototype.
+ */
+#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 8)
+#define HAVE_GNU_QSORT_R 1
+#else
+#define HAVE_GNU_QSORT_R 0
+#endif
+
 #endif /*_ANDROID_CONFIG_H*/
diff --git a/include/arch/target_linux-x86/AndroidConfig.h b/include/arch/target_linux-x86/AndroidConfig.h
index 9efb81a..ab53892 100644
--- a/include/arch/target_linux-x86/AndroidConfig.h
+++ b/include/arch/target_linux-x86/AndroidConfig.h
@@ -350,4 +350,14 @@
  */
 #define HAVE_PRINTF_ZD 1
 
+/*
+ * Define to 1 if <stdlib.h> provides qsort_r() with a BSD style function prototype.
+ */
+#define HAVE_BSD_QSORT_R 0
+
+/*
+ * Define to 1 if <stdlib.h> provides qsort_r() with a GNU style function prototype.
+ */
+#define HAVE_GNU_QSORT_R 0
+
 #endif /* _ANDROID_CONFIG_H */
diff --git a/include/arch/windows/AndroidConfig.h b/include/arch/windows/AndroidConfig.h
index 445e754..0274da5 100644
--- a/include/arch/windows/AndroidConfig.h
+++ b/include/arch/windows/AndroidConfig.h
@@ -338,4 +338,14 @@
  */
 /* #define HAVE_PRINTF_ZD 1 */
 
+/*
+ * Define to 1 if <stdlib.h> provides qsort_r() with a BSD style function prototype.
+ */
+#define HAVE_BSD_QSORT_R 0
+
+/*
+ * Define to 1 if <stdlib.h> provides qsort_r() with a GNU style function prototype.
+ */
+#define HAVE_GNU_QSORT_R 0
+
 #endif /*_ANDROID_CONFIG_H*/
diff --git a/include/cutils/list.h b/include/cutils/list.h
index eb5a3c8..8190219 100644
--- a/include/cutils/list.h
+++ b/include/cutils/list.h
@@ -18,6 +18,9 @@
 #define _CUTILS_LIST_H_
 
 #include <stddef.h>
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
 
 struct listnode
 {
@@ -48,4 +51,6 @@
 #define list_head(list) ((list)->next)
 #define list_tail(list) ((list)->prev)
 
+__END_DECLS
+
 #endif
diff --git a/include/cutils/qsort_r_compat.h b/include/cutils/qsort_r_compat.h
new file mode 100644
index 0000000..479a1ab
--- /dev/null
+++ b/include/cutils/qsort_r_compat.h
@@ -0,0 +1,39 @@
+/*
+ * 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.
+ */
+
+/*
+ * Provides a portable version of qsort_r, called qsort_r_compat, which is a
+ * reentrant variant of qsort that passes a user data pointer to its comparator.
+ * This implementation follows the BSD parameter convention.
+ */
+
+#ifndef _LIBS_CUTILS_QSORT_R_COMPAT_H
+#define _LIBS_CUTILS_QSORT_R_COMPAT_H
+
+#include <stdlib.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void qsort_r_compat(void* base, size_t nel, size_t width, void* thunk,
+        int (*compar)(void*, const void* , const void* ));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _LIBS_CUTILS_QSORT_R_COMPAT_H
diff --git a/include/cutils/sched_policy.h b/include/cutils/sched_policy.h
index eaf3993..753a08c 100644
--- a/include/cutils/sched_policy.h
+++ b/include/cutils/sched_policy.h
@@ -24,11 +24,28 @@
 typedef enum {
     SP_BACKGROUND = 0,
     SP_FOREGROUND = 1,
+    SP_CNT,
+    SP_MAX        = SP_CNT - 1,
 } SchedPolicy;
 
+/* Assign thread tid to the cgroup associated with the specified policy.
+ * If the thread is a thread group leader, that is it's gettid() == getpid(),
+ * then the other threads in the same thread group are _not_ affected.
+ * Return value: 0 for success, or -errno for error.
+ */
 extern int set_sched_policy(int tid, SchedPolicy policy);
+
+/* Return the policy associated with the cgroup of thread tid via policy pointer.
+ * Return value: 0 for success, or -1 for error and set errno.
+ */
 extern int get_sched_policy(int tid, SchedPolicy *policy);
 
+/* Return a displayable string corresponding to policy.
+ * Return value: non-NULL NUL-terminated name of unspecified length;
+ * the caller is responsible for displaying the useful part of the string.
+ */
+extern const char *get_sched_policy_name(SchedPolicy policy);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/include/private/android_filesystem_config.h b/include/private/android_filesystem_config.h
index a3d5e62..8e9edd9 100644
--- a/include/private/android_filesystem_config.h
+++ b/include/private/android_filesystem_config.h
@@ -119,6 +119,7 @@
     { "diag",      AID_DIAG, },
     { "net_bt_admin", AID_NET_BT_ADMIN, },
     { "net_bt",    AID_NET_BT, },
+    { "sdcard_r",  AID_SDCARD_R, },
     { "sdcard_rw", AID_SDCARD_RW, },
     { "media_rw",  AID_MEDIA_RW, },
     { "vpn",       AID_VPN, },
diff --git a/include/system/audio.h b/include/system/audio.h
index 0980319..0276231 100644
--- a/include/system/audio.h
+++ b/include/system/audio.h
@@ -384,7 +384,7 @@
         return false;
 }
 
-/* Derive a channel mask from a channel count.
+/* Derive an output channel mask from a channel count.
  * This is to be used when the content channel mask is unknown. The 1, 2, 4, 5, 6, 7 and 8 channel
  * cases are mapped to the standard game/home-theater layouts, but note that 4 is mapped to quad,
  * and not stereo + FC + mono surround. A channel count of 3 is arbitrarily mapped to stereo + FC
@@ -392,7 +392,7 @@
  * Returns the matching channel mask, or 0 if the number of channels exceeds that of the
  * configurations for which a default channel mask is defined.
  */
-static inline audio_channel_mask_t audio_channel_mask_from_count(uint32_t channel_count)
+static inline audio_channel_mask_t audio_channel_out_mask_from_count(uint32_t channel_count)
 {
     switch(channel_count) {
     case 1:
@@ -416,6 +416,19 @@
     }
 }
 
+/* Similar to above, but for input.  Currently handles only mono and stereo. */
+static inline audio_channel_mask_t audio_channel_in_mask_from_count(uint32_t channel_count)
+{
+    switch (channel_count) {
+    case 1:
+        return AUDIO_CHANNEL_IN_MONO;
+    case 2:
+        return AUDIO_CHANNEL_IN_STEREO;
+    default:
+        return 0;
+    }
+}
+
 static inline bool audio_is_valid_format(audio_format_t format)
 {
     switch (format & AUDIO_FORMAT_MAIN_MASK) {
@@ -447,18 +460,18 @@
     size_t size = 0;
 
     switch (format) {
-        case AUDIO_FORMAT_PCM_32_BIT:
-        case AUDIO_FORMAT_PCM_8_24_BIT:
-            size = sizeof(int32_t);
-            break;
-        case AUDIO_FORMAT_PCM_16_BIT:
-            size = sizeof(int16_t);
-            break;
-        case AUDIO_FORMAT_PCM_8_BIT:
-            size = sizeof(uint8_t);
-            break;
-        default:
-            break;
+    case AUDIO_FORMAT_PCM_32_BIT:
+    case AUDIO_FORMAT_PCM_8_24_BIT:
+        size = sizeof(int32_t);
+        break;
+    case AUDIO_FORMAT_PCM_16_BIT:
+        size = sizeof(int16_t);
+        break;
+    case AUDIO_FORMAT_PCM_8_BIT:
+        size = sizeof(uint8_t);
+        break;
+    default:
+        break;
     }
     return size;
 }
diff --git a/include/system/camera.h b/include/system/camera.h
index 62167cf..b8389b1 100644
--- a/include/system/camera.h
+++ b/include/system/camera.h
@@ -151,11 +151,30 @@
      * arg1 = 0 will disable, while passing arg1 = 1 will enable the callback.
      */
     CAMERA_CMD_ENABLE_FOCUS_MOVE_MSG = 8,
+
+    /**
+     * Ping camera service to see if camera hardware is released.
+     *
+     * When any camera method returns error, the client can use ping command
+     * to see if the camera has been taken away by other clients. If the result
+     * is NO_ERROR, it means the camera hardware is not released. If the result
+     * is not NO_ERROR, the camera has been released and the existing client
+     * can silently finish itself or show a dialog.
+     */
+    CAMERA_CMD_PING = 9,
 };
 
 /** camera fatal errors */
 enum {
     CAMERA_ERROR_UNKNOWN = 1,
+    /**
+     * Camera was released because another client has connected to the camera.
+     * The original client should call Camera::disconnect immediately after
+     * getting this notification. Otherwise, the camera will be released by
+     * camera service in a short time. The client should not call any method
+     * (except disconnect and sending CAMERA_CMD_PING) after getting this.
+     */
+    CAMERA_ERROR_RELEASED = 2,
     CAMERA_ERROR_SERVER_DIED = 100
 };
 
diff --git a/libcutils/Android.mk b/libcutils/Android.mk
index dcf859b..0d49165 100644
--- a/libcutils/Android.mk
+++ b/libcutils/Android.mk
@@ -46,6 +46,7 @@
 	record_stream.c \
 	process_name.c \
 	properties.c \
+	qsort_r_compat.c \
 	threads.c \
 	sched_policy.c \
 	iosched_policy.c \
@@ -94,6 +95,17 @@
 include $(BUILD_HOST_STATIC_LIBRARY)
 
 
+# Static library for host, 64-bit
+# ========================================================
+include $(CLEAR_VARS)
+LOCAL_MODULE := lib64cutils
+LOCAL_SRC_FILES := $(commonSources) $(commonHostSources) dlmalloc_stubs.c
+LOCAL_LDLIBS := -lpthread
+LOCAL_STATIC_LIBRARIES := lib64log
+LOCAL_CFLAGS += $(hostSmpFlag) -m64
+include $(BUILD_HOST_STATIC_LIBRARY)
+
+
 # Shared and static library for target
 # ========================================================
 
diff --git a/libcutils/process_name.c b/libcutils/process_name.c
index b235429..bda9d08 100644
--- a/libcutils/process_name.c
+++ b/libcutils/process_name.c
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#include <stdlib.h>
 #include <string.h>
 #include <cutils/process_name.h>
 #include <cutils/properties.h>
diff --git a/libcutils/qsort_r_compat.c b/libcutils/qsort_r_compat.c
new file mode 100644
index 0000000..8971cb5
--- /dev/null
+++ b/libcutils/qsort_r_compat.c
@@ -0,0 +1,84 @@
+/*
+ * 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.
+ */
+
+#include <stdlib.h>
+#include <cutils/qsort_r_compat.h>
+
+#if HAVE_BSD_QSORT_R
+
+/*
+ * BSD qsort_r parameter order is as we have defined here.
+ */
+
+void qsort_r_compat(void* base, size_t nel, size_t width, void* thunk,
+        int (*compar)(void*, const void* , const void*)) {
+    qsort_r(base, nel, width, thunk, compar);
+}
+
+#elif HAVE_GNU_QSORT_R
+
+/*
+ * GNU qsort_r parameter order places the thunk parameter last.
+ */
+
+struct compar_data {
+    void* thunk;
+    int (*compar)(void*, const void* , const void*);
+};
+
+static int compar_wrapper(const void* a, const void* b, void* data) {
+    struct compar_data* compar_data = (struct compar_data*)data;
+    return compar_data->compar(compar_data->thunk, a, b);
+}
+
+void qsort_r_compat(void* base, size_t nel, size_t width, void* thunk,
+        int (*compar)(void*, const void* , const void*)) {
+    struct compar_data compar_data;
+    compar_data.thunk = thunk;
+    compar_data.compar = compar;
+    qsort_r(base, nel, width, compar_wrapper, &compar_data);
+}
+
+#else
+
+/*
+ * Emulate qsort_r using thread local storage to access the thunk data.
+ */
+
+#include <cutils/threads.h>
+
+static thread_store_t compar_data_key = THREAD_STORE_INITIALIZER;
+
+struct compar_data {
+    void* thunk;
+    int (*compar)(void*, const void* , const void*);
+};
+
+static int compar_wrapper(const void* a, const void* b) {
+    struct compar_data* compar_data = (struct compar_data*)thread_store_get(&compar_data_key);
+    return compar_data->compar(compar_data->thunk, a, b);
+}
+
+void qsort_r_compat(void* base, size_t nel, size_t width, void* thunk,
+        int (*compar)(void*, const void* , const void*)) {
+    struct compar_data compar_data;
+    compar_data.thunk = thunk;
+    compar_data.compar = compar;
+    thread_store_set(&compar_data_key, &compar_data, NULL);
+    qsort(base, nel, width, compar_wrapper);
+}
+
+#endif
diff --git a/libcutils/sched_policy.c b/libcutils/sched_policy.c
index f9c111e..35d362a 100644
--- a/libcutils/sched_policy.c
+++ b/libcutils/sched_policy.c
@@ -273,5 +273,17 @@
     return 0;
 }
 
+const char *get_sched_policy_name(SchedPolicy policy)
+{
+    static const char * const strings[SP_CNT] = {
+       [SP_BACKGROUND] = "bg",
+       [SP_FOREGROUND] = "fg",
+    };
+    if ((policy < SP_CNT) && (strings[policy] != NULL))
+        return strings[policy];
+    else
+        return "error";
+}
+
 #endif /* HAVE_PTHREADS */
 #endif /* HAVE_SCHED_H */
diff --git a/libcutils/str_parms.c b/libcutils/str_parms.c
index 14fecec..9e1d2dc 100644
--- a/libcutils/str_parms.c
+++ b/libcutils/str_parms.c
@@ -70,19 +70,57 @@
     return NULL;
 }
 
+struct remove_ctxt {
+    struct str_parms *str_parms;
+    const char *key;
+};
+
 static bool remove_pair(void *key, void *value, void *context)
 {
-    struct str_parms *str_parms = context;
+    struct remove_ctxt *ctxt = context;
+    bool should_continue;
 
-    hashmapRemove(str_parms->map, key);
+    /*
+     * - if key is not supplied, then we are removing all entries,
+     *   so remove key and continue (i.e. return true)
+     * - if key is supplied and matches, then remove it and don't
+     *   continue (return false). Otherwise, return true and keep searching
+     *   for key.
+     *
+     */
+    if (!ctxt->key) {
+        should_continue = true;
+        goto do_remove;
+    } else if (!strcmp(ctxt->key, key)) {
+        should_continue = false;
+        goto do_remove;
+    }
+
+    return true;
+
+do_remove:
+    hashmapRemove(ctxt->str_parms->map, key);
     free(key);
     free(value);
-    return true;
+    return should_continue;
+}
+
+void str_parms_del(struct str_parms *str_parms, const char *key)
+{
+    struct remove_ctxt ctxt = {
+        .str_parms = str_parms,
+        .key = key,
+    };
+    hashmapForEach(str_parms->map, remove_pair, &ctxt);
 }
 
 void str_parms_destroy(struct str_parms *str_parms)
 {
-    hashmapForEach(str_parms->map, remove_pair, str_parms);
+    struct remove_ctxt ctxt = {
+        .str_parms = str_parms,
+    };
+
+    hashmapForEach(str_parms->map, remove_pair, &ctxt);
     hashmapFree(str_parms->map);
     free(str_parms);
 }
@@ -128,8 +166,10 @@
 
         /* if we replaced a value, free it */
         old_val = hashmapPut(str_parms->map, key, value);
-        if (old_val)
+        if (old_val) {
             free(old_val);
+            free(key);
+        }
 
         items++;
 next_pair:
@@ -149,24 +189,23 @@
     return NULL;
 }
 
-void str_parms_del(struct str_parms *str_parms, const char *key)
-{
-    hashmapRemove(str_parms->map, (void *)key);
-}
-
 int str_parms_add_str(struct str_parms *str_parms, const char *key,
                       const char *value)
 {
     void *old_val;
-    char *tmp;
+    void *tmp_key;
+    void *tmp_val;
 
-    tmp = strdup(value);
-    old_val = hashmapPut(str_parms->map, (void *)key, tmp);
+    tmp_key = strdup(key);
+    tmp_val = strdup(value);
+    old_val = hashmapPut(str_parms->map, tmp_key, tmp_val);
 
     if (old_val) {
         free(old_val);
+        free(tmp_key);
     } else if (errno == ENOMEM) {
-        free(tmp);
+        free(tmp_key);
+        free(tmp_val);
         return -ENOMEM;
     }
     return 0;
@@ -298,6 +337,9 @@
     int ret;
 
     str_parms = str_parms_create_str(str);
+    str_parms_add_str(str_parms, "dude", "woah");
+    str_parms_add_str(str_parms, "dude", "woah");
+    str_parms_del(str_parms, "dude");
     str_parms_dump(str_parms);
     out_str = str_parms_to_str(str_parms);
     str_parms_destroy(str_parms);
@@ -323,6 +365,7 @@
     test_str_parms_str("foo=bar;baz=");
     test_str_parms_str("foo=bar;baz=bat");
     test_str_parms_str("foo=bar;baz=bat;");
+    test_str_parms_str("foo=bar;baz=bat;foo=bar");
 
     return 0;
 }
diff --git a/libcutils/tzstrftime.c b/libcutils/tzstrftime.c
index e37d79a..e4f54df 100644
--- a/libcutils/tzstrftime.c
+++ b/libcutils/tzstrftime.c
@@ -8,6 +8,7 @@
 #endif /* !defined NOID */
 #endif /* !defined lint */
 
+#include <stdio.h>
 #include <time.h>
 #include <tzfile.h>
 #include <limits.h>
diff --git a/liblog/Android.mk b/liblog/Android.mk
index bd4fed4..bd2590e 100644
--- a/liblog/Android.mk
+++ b/liblog/Android.mk
@@ -40,6 +40,7 @@
 
 liblog_host_sources := $(liblog_sources) fake_log_device.c
 
+
 # Static library for host
 # ========================================================
 LOCAL_MODULE := liblog
@@ -48,6 +49,17 @@
 LOCAL_CFLAGS := -DFAKE_LOG_DEVICE=1
 include $(BUILD_HOST_STATIC_LIBRARY)
 
+
+# Static library for host, 64-bit
+# ========================================================
+include $(CLEAR_VARS)
+LOCAL_MODULE := lib64log
+LOCAL_SRC_FILES := $(liblog_host_sources)
+LOCAL_LDLIBS := -lpthread
+LOCAL_CFLAGS := -DFAKE_LOG_DEVICE=1 -m64
+include $(BUILD_HOST_STATIC_LIBRARY)
+
+
 # Shared and static library for target
 # ========================================================
 include $(CLEAR_VARS)
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 2e8f7d2..438ac83 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -1,3 +1,9 @@
+# Copyright (C) 2012 The Android Open Source Project
+#
+# IMPORTANT: Do not create world writable files or directories.
+# This is a common source of Android security bugs.
+#
+
 import /init.${ro.hardware}.rc
 
 on early-init
@@ -163,6 +169,9 @@
     mkdir /data/misc/wifi 0770 wifi wifi
     chmod 0660 /data/misc/wifi/wpa_supplicant.conf
     mkdir /data/local 0751 root root
+
+    # For security reasons, /data/local/tmp should always be empty.
+    # Do not place files or directories in /data/local/tmp
     mkdir /data/local/tmp 0771 shell shell
     mkdir /data/data 0771 system system
     mkdir /data/app-private 0771 system system
diff --git a/toolbox/ps.c b/toolbox/ps.c
index 7c3de4a..7c35ccb 100644
--- a/toolbox/ps.c
+++ b/toolbox/ps.c
@@ -167,14 +167,8 @@
             SchedPolicy p;
             if (get_sched_policy(pid, &p) < 0)
                 printf(" un ");
-            else {
-                if (p == SP_BACKGROUND)
-                    printf(" bg ");
-                else if (p == SP_FOREGROUND)
-                    printf(" fg ");
-                else
-                    printf(" er ");
-            }
+            else
+                printf(" %.2s ", get_sched_policy_name(p));
         }
         printf(" %08x %08x %s %s", wchan, eip, state, cmdline[0] ? cmdline : name);
         if(display_flags&SHOW_TIME)
diff --git a/toolbox/top.c b/toolbox/top.c
index 999c8e1..7642522 100644
--- a/toolbox/top.c
+++ b/toolbox/top.c
@@ -48,6 +48,7 @@
 
 #define PROC_NAME_LEN 64
 #define THREAD_NAME_LEN 32
+#define POLICY_NAME_LEN 4
 
 struct proc_info {
     struct proc_info *next;
@@ -67,7 +68,7 @@
     long rss;
     int prs;
     int num_threads;
-    char policy[32];
+    char policy[POLICY_NAME_LEN];
 };
 
 struct proc_list {
@@ -381,14 +382,10 @@
 static void read_policy(int pid, struct proc_info *proc) {
     SchedPolicy p;
     if (get_sched_policy(pid, &p) < 0)
-        strcpy(proc->policy, "unk");
+        strlcpy(proc->policy, "unk", POLICY_NAME_LEN);
     else {
-        if (p == SP_BACKGROUND)
-            strcpy(proc->policy, "bg");
-        else if (p == SP_FOREGROUND)
-            strcpy(proc->policy, "fg");
-        else
-            strcpy(proc->policy, "er");
+        strlcpy(proc->policy, get_sched_policy_name(p), POLICY_NAME_LEN);
+        proc->policy[2] = '\0';
     }
 }