merge from open-source master

include/arch/linux-sh/AndroidConfig.h

@@ -0,0 +1,327 @@
+/*
+ * Copyright (C) 2009 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.
+ */
+
+/*
+ * Android config -- "android-sh".  Used for SuperH device builds.
+ */
+#ifndef _ANDROID_CONFIG_H
+#define _ANDROID_CONFIG_H
+
+/*
+ * ===========================================================================
+ *                              !!! IMPORTANT !!!
+ * ===========================================================================
+ *
+ * This file is included by ALL C/C++ source files.  Don't put anything in
+ * here unless you are absolutely certain it can't go anywhere else.
+ *
+ * Any C++ stuff must be wrapped with "#ifdef __cplusplus".  Do not use "//"
+ * comments.
+ */
+
+/*
+ * Threading model.  Choose one:
+ *
+ * HAVE_PTHREADS - use the pthreads library.
+ * HAVE_WIN32_THREADS - use Win32 thread primitives.
+ *  -- combine HAVE_CREATETHREAD, HAVE_CREATEMUTEX, and HAVE__BEGINTHREADEX
+ */
+#define HAVE_PTHREADS
+
+/*
+ * Do we have the futex syscall?
+ */
+
+#define HAVE_FUTEX
+
+/*
+ * Define if we already have the futex wrapper functions defined. Yes if
+ * compiling against bionic.
+ */
+#define HAVE_FUTEX_WRAPPERS 1
+
+/*
+ * Process creation model.  Choose one:
+ *
+ * HAVE_FORKEXEC - use fork() and exec()
+ * HAVE_WIN32_PROC - use CreateProcess()
+ */
+#define HAVE_FORKEXEC
+
+/*
+ * Process out-of-memory adjustment.  Set if running on Linux,
+ * where we can write to /proc/<pid>/oom_adj to modify the out-of-memory
+ * badness adjustment.
+ */
+#define HAVE_OOM_ADJ
+
+/*
+ * IPC model.  Choose one:
+ *
+ * HAVE_SYSV_IPC - use the classic SysV IPC mechanisms (semget, shmget).
+ * HAVE_MACOSX_IPC - use Macintosh IPC mechanisms (sem_open, mmap).
+ * HAVE_WIN32_IPC - use Win32 IPC (CreateSemaphore, CreateFileMapping).
+ * HAVE_ANDROID_IPC - use Android versions (?, mmap).
+ */
+#define HAVE_ANDROID_IPC
+
+/*
+ * Memory-mapping model. Choose one:
+ *
+ * HAVE_POSIX_FILEMAP - use the Posix sys/mmap.h
+ * HAVE_WIN32_FILEMAP - use Win32 filemaps
+ */
+#define  HAVE_POSIX_FILEMAP
+
+/*
+ * Define this if you have <termio.h>
+ */
+#define  HAVE_TERMIO_H
+
+/*
+ * Define this if you build against MSVCRT.DLL
+ */
+/* #define HAVE_MS_C_RUNTIME */
+
+/*
+ * Define this if you have sys/uio.h
+ */
+#define  HAVE_SYS_UIO_H
+
+/*
+ * Define this if your platforms implements symbolic links
+ * in its filesystems
+ */
+#define HAVE_SYMLINKS
+
+/*
+ * Define this if we have localtime_r().
+ */
+/* #define HAVE_LOCALTIME_R */
+
+/*
+ * Define this if we have gethostbyname_r().
+ */
+/* #define HAVE_GETHOSTBYNAME_R */
+
+/*
+ * Define this if we have ioctl().
+ */
+#define HAVE_IOCTL
+
+/*
+ * Define this if we want to use WinSock.
+ */
+/* #define HAVE_WINSOCK */
+
+/*
+ * Define this if have clock_gettime() and friends
+ */
+#define HAVE_POSIX_CLOCKS
+
+/*
+ * Define this if we have pthread_cond_timedwait_monotonic() and
+ * clock_gettime(CLOCK_MONOTONIC).
+ */
+/* #define HAVE_TIMEDWAIT_MONOTONIC */
+
+/*
+ * Define this if we have linux style epoll()
+ */
+#define HAVE_EPOLL
+
+/*
+ * Endianness of the target machine.  Choose one:
+ *
+ * HAVE_ENDIAN_H -- have endian.h header we can include.
+ * HAVE_LITTLE_ENDIAN -- we are little endian.
+ * HAVE_BIG_ENDIAN -- we are big endian.
+ */
+#define HAVE_ENDIAN_H
+#define HAVE_LITTLE_ENDIAN
+
+/*
+ * We need to choose between 32-bit and 64-bit off_t.  All of our code should
+ * agree on the same size.  For desktop systems, use 64-bit values,
+ * because some of our libraries (e.g. wxWidgets) expect to be built that way.
+ */
+/* #define _FILE_OFFSET_BITS 64 */
+/* #define _LARGEFILE_SOURCE 1 */
+
+/*
+ * Defined if we have the backtrace() call for retrieving a stack trace.
+ * Needed for CallStack to operate; if not defined, CallStack is
+ * non-functional.
+ */
+#define HAVE_BACKTRACE 0
+
+/*
+ * Defined if we have the dladdr() call for retrieving the symbol associated
+ * with a memory address.  If not defined, stack crawls will not have symbolic
+ * information.
+ */
+#define HAVE_DLADDR 0
+
+/*
+ * Defined if we have the cxxabi.h header for demangling C++ symbols.  If
+ * not defined, stack crawls will be displayed with raw mangled symbols
+ */
+#define HAVE_CXXABI 0
+
+/*
+ * Defined if we have the gettid() system call.
+ */
+#define HAVE_GETTID
+
+/*
+ * Defined if we have the sched_setscheduler() call
+ */
+#define HAVE_SCHED_SETSCHEDULER
+
+/*
+ * Add any extra platform-specific defines here.
+ */
+/* #define __linux__ */ /* for SuperH */
+
+/*
+ * Define if we have <malloc.h> header
+ */
+#define HAVE_MALLOC_H
+
+/*
+ * Define if we're running on *our* linux on device or emulator.
+ */
+#define HAVE_ANDROID_OS 1
+
+/*
+ * Define if we have Linux-style non-filesystem Unix Domain Sockets
+ */
+#define HAVE_LINUX_LOCAL_SOCKET_NAMESPACE 1
+
+/*
+ * Define if we have Linux's inotify in <sys/inotify.h>.
+ */
+#define HAVE_INOTIFY 1
+
+/*
+ * Define if we have madvise() in <sys/mman.h>
+ */
+#define HAVE_MADVISE 1
+
+/*
+ * Define if tm struct has tm_gmtoff field
+ */
+#define HAVE_TM_GMTOFF 1
+
+/*
+ * Define if dirent struct has d_type field
+ */
+#define HAVE_DIRENT_D_TYPE 1
+
+/*
+ * Define if libc includes Android system properties implementation.
+ */
+#define HAVE_LIBC_SYSTEM_PROPERTIES 1
+
+/*
+ * Define if system provides a system property server (should be
+ * mutually exclusive with HAVE_LIBC_SYSTEM_PROPERTIES).
+ */
+/* #define HAVE_SYSTEM_PROPERTY_SERVER */
+
+/*
+ * What CPU architecture does this platform use?
+ */
+#define ARCH_SH
+
+/*
+ * Define if the size of enums is as short as possible,
+ */
+/* #define HAVE_SHORT_ENUMS */
+
+/*
+ * sprintf() format string for shared library naming.
+ */
+#define OS_SHARED_LIB_FORMAT_STR    "lib%s.so"
+
+/*
+ * Do we have __memcmp16()?
+ *
+ * TODO : Investigate the perfomance impact of __memcmp16()
+ *        and implement it.
+ *        This influences on dalvikVM's string performance.
+ *        See dalvik/vm/InlineNative.c.
+ */
+/* #define HAVE__MEMCMP16 */
+
+/*
+ * type for the third argument to mincore().
+ */
+#define MINCORE_POINTER_TYPE unsigned char *
+
+/*
+ * Do we have the sigaction flag SA_NOCLDWAIT?
+ */
+#define HAVE_SA_NOCLDWAIT
+
+/*
+ * The default path separator for the platform
+ */
+#define OS_PATH_SEPARATOR '/'
+
+/*
+ * Is the filesystem case sensitive?
+ */
+#define OS_CASE_SENSITIVE
+
+/*
+ * Define if <sys/socket.h> exists.
+ */
+#define HAVE_SYS_SOCKET_H 1
+
+/*
+ * Define if the strlcpy() function exists on the system.
+ */
+#define HAVE_STRLCPY 1
+
+/*
+ * Define if prctl() exists
+ */
+#define HAVE_PRCTL 1
+
+/*
+ * Define if writev() exists
+ */
+#define HAVE_WRITEV 1
+
+/*
+ * For dalvik/libcore
+ */
+#define CANT_PASS_VALIST_AS_CHARPTR
+
+/*
+ * For external/bluez/utils/tools/hciattach.c
+ * TODO : This definition should be somewhere in bionic/libc/kernel/(*).
+ *        Cosider the place and move it there.
+ */
+#define N_TTY 0
+
+/*
+ * Whether or not _Unwind_Context is defined as a struct.
+ */
+#define HAVE_UNWIND_CONTEXT_STRUCT
+
+#endif /* _ANDROID_CONFIG_H */

include/sysutils/NetlinkListener.h

@@ -26,7 +26,9 @@ class NetlinkListener : public SocketListener {
 public:
     NetlinkListener(int socket);
     virtual ~NetlinkListener() {}
+
 protected:
     virtual bool onDataAvailable(SocketClient *cli);
+    virtual void onEvent(NetlinkEvent *evt) = 0;
 };
 #endif

libcutils/Android.mk

@@ -104,7 +104,11 @@ LOCAL_SRC_FILES := $(commonSources) ashmem-dev.c mq.c
 ifeq ($(TARGET_ARCH),arm)
 LOCAL_SRC_FILES += memset32.S atomic-android-arm.S
 else  # !arm
+ifeq ($(TARGET_ARCH),sh)
+LOCAL_SRC_FILES += memory.c atomic-android-sh.c
+else  # !sh
 LOCAL_SRC_FILES += memory.c
+endif # !sh
 endif # !arm
 
 LOCAL_C_INCLUDES := $(KERNEL_HEADERS)

libcutils/atomic-android-sh.c

@@ -0,0 +1,159 @@
+/*
+ * Copyright (C) 2007 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 <cutils/atomic.h>
+#ifdef HAVE_WIN32_THREADS
+#include <windows.h>
+#else
+#include <sched.h>
+#endif
+
+/*
+ * Note :
+ *
+ * (1) SuperH does not have CMPXCHG.  It has only TAS for atomic
+ *     operations.  It does not seem a good idea to implement CMPXCHG,
+ *     with TAS.  So, we choose to implemnt these operations with
+ *     posix mutexes.  Please be sure that this might cause performance
+ *     problem for Android-SH. Using LL/SC instructions supported in SH-X3,
+ *     best performnace would be realized.
+ *
+ * (2) Mutex initialization problem happens, which is commented for
+ *     ARM implementation, in this file above.
+ *     We follow the fact that the initializer for mutex is a simple zero
+ *     value.
+ */
+
+#include <pthread.h>
+
+#define  SWAP_LOCK_COUNT  32U
+static pthread_mutex_t  _swap_locks[SWAP_LOCK_COUNT];
+
+#define  SWAP_LOCK(addr)   \
+   &_swap_locks[((unsigned)(void*)(addr) >> 3U) % SWAP_LOCK_COUNT]
+
+
+void android_atomic_write(int32_t value, volatile int32_t* addr) {
+    int32_t oldValue;
+    do {
+        oldValue = *addr;
+    } while (android_atomic_cmpxchg(oldValue, value, addr));
+}
+
+int32_t android_atomic_inc(volatile int32_t* addr) {
+    int32_t oldValue;
+    do {
+        oldValue = *addr;
+    } while (android_atomic_cmpxchg(oldValue, oldValue+1, addr));
+    return oldValue;
+}
+
+int32_t android_atomic_dec(volatile int32_t* addr) {
+    int32_t oldValue;
+    do {
+        oldValue = *addr;
+    } while (android_atomic_cmpxchg(oldValue, oldValue-1, addr));
+    return oldValue;
+}
+
+int32_t android_atomic_add(int32_t value, volatile int32_t* addr) {
+    int32_t oldValue;
+    do {
+        oldValue = *addr;
+    } while (android_atomic_cmpxchg(oldValue, oldValue+value, addr));
+    return oldValue;
+}
+
+int32_t android_atomic_and(int32_t value, volatile int32_t* addr) {
+    int32_t oldValue;
+    do {
+        oldValue = *addr;
+    } while (android_atomic_cmpxchg(oldValue, oldValue&value, addr));
+    return oldValue;
+}
+
+int32_t android_atomic_or(int32_t value, volatile int32_t* addr) {
+    int32_t oldValue;
+    do {
+        oldValue = *addr;
+    } while (android_atomic_cmpxchg(oldValue, oldValue|value, addr));
+    return oldValue;
+}
+
+int32_t android_atomic_swap(int32_t value, volatile int32_t* addr) {
+    int32_t oldValue;
+    do {
+        oldValue = *addr;
+    } while (android_atomic_cmpxchg(oldValue, value, addr));
+    return oldValue;
+}
+
+int android_atomic_cmpxchg(int32_t oldvalue, int32_t newvalue,
+                           volatile int32_t* addr) {
+    int result;
+    pthread_mutex_t*  lock = SWAP_LOCK(addr);
+
+    pthread_mutex_lock(lock);
+
+    if (*addr == oldvalue) {
+        *addr  = newvalue;
+        result = 0;
+    } else {
+        result = 1;
+    }
+    pthread_mutex_unlock(lock);
+    return result;
+}
+
+int64_t android_quasiatomic_swap_64(int64_t value, volatile int64_t* addr) {
+    int64_t oldValue;
+    pthread_mutex_t*  lock = SWAP_LOCK(addr);
+
+    pthread_mutex_lock(lock);
+
+    oldValue = *addr;
+    *addr    = value;
+
+    pthread_mutex_unlock(lock);
+    return oldValue;
+}
+
+int android_quasiatomic_cmpxchg_64(int64_t oldvalue, int64_t newvalue,
+        volatile int64_t* addr) {
+    int result;
+    pthread_mutex_t*  lock = SWAP_LOCK(addr);
+
+    pthread_mutex_lock(lock);
+
+    if (*addr == oldvalue) {
+        *addr  = newvalue;
+        result = 0;
+    } else {
+        result = 1;
+    }
+    pthread_mutex_unlock(lock);
+    return result;
+}
+
+int64_t android_quasiatomic_read_64(volatile int64_t* addr) {
+    int64_t result;
+    pthread_mutex_t*  lock = SWAP_LOCK(addr);
+
+    pthread_mutex_lock(lock);
+    result = *addr;
+    pthread_mutex_unlock(lock);
+    return result;
+}

libcutils/atomic.c

@@ -245,6 +245,10 @@ int64_t android_quasiatomic_read_64(volatile int64_t* addr) {
     return result;
 }    
 
+/*****************************************************************************/
+#elif __sh__
+// implementation for SuperH is in atomic-android-sh.c.
+
 #else
 
 #error "Unsupported atomic operations for this platform"

libsysutils/src/NetlinkEvent.cpp

@@ -28,6 +28,9 @@ const int NetlinkEvent::NlActionChange = 3;
 
 NetlinkEvent::NetlinkEvent() {
     mAction = NlActionUnknown;
+    memset(mParams, 0, sizeof(mParams));
+    mPath = NULL;
+    mSubsystem = NULL;
 }
 
 NetlinkEvent::~NetlinkEvent() {

libsysutils/src/NetlinkListener.cpp

@@ -32,8 +32,6 @@ NetlinkListener::NetlinkListener(int socket) :
 bool NetlinkListener::onDataAvailable(SocketClient *cli)
 {
     int socket = cli->getSocket();
-    LOGD("NetlinkListener::onDataAvailable()");
-
     int count;
 
     if ((count = recv(socket, mBuffer, sizeof(mBuffer), 0)) < 0) {
@@ -47,8 +45,7 @@ bool NetlinkListener::onDataAvailable(SocketClient *cli)
         goto out;
     }
 
-    LOGD("Ignoring '%s' netlink event", evt->getSubsystem());
+    onEvent(evt);
-
 out:
     delete evt;
     return true;