5 files changed, 92 insertions, 11 deletions

diff --git a/adb/Android.mk b/adb/Android.mk
index b444afad1..a2ea699bc 100644
--- a/adb/Android.mk
+++ b/adb/Android.mk
@@ -124,11 +124,12 @@ LOCAL_SRC_FILES := \
     adbd_auth.cpp \
     jdwp_service.cpp \
 
+LOCAL_C_INCLUDES := system/core/qemu_pipe/include
 LOCAL_SANITIZE := $(adb_target_sanitize)
 
 # Even though we're building a static library (and thus there's no link step for
 # this to take effect), this adds the includes to our path.
-LOCAL_STATIC_LIBRARIES := libcrypto_utils libcrypto libbase
+LOCAL_STATIC_LIBRARIES := libcrypto_utils libcrypto libqemu_pipe libbase
 
 LOCAL_WHOLE_STATIC_LIBRARIES := libadbd_usb
 
@@ -357,6 +358,7 @@ LOCAL_STRIP_MODULE := keep_symbols
 LOCAL_STATIC_LIBRARIES := \
     libadbd \
     libbase \
+    libqemu_pipe \
     libbootloader_message \
     libfs_mgr \
     libfec \
diff --git a/adb/transport_local.cpp b/adb/transport_local.cpp
index c17f86914..b5d0ef070 100644
--- a/adb/transport_local.cpp
+++ b/adb/transport_local.cpp
@@ -248,7 +248,7 @@ static void server_socket_thread(void* arg) {
 #define open    adb_open
 #define read    adb_read
 #define write   adb_write
-#include <system/qemu_pipe.h>
+#include <qemu_pipe.h>
 #undef open
 #undef read
 #undef write
diff --git a/qemu_pipe/Android.mk b/qemu_pipe/Android.mk
new file mode 100644
index 000000000..6e0144ce1
--- /dev/null
+++ b/qemu_pipe/Android.mk
@@ -0,0 +1,19 @@
+# Copyright 2011 The Android Open Source Project
+
+LOCAL_PATH:= $(call my-dir)
+
+common_static_libraries := \
+    libbase
+include $(CLEAR_VARS)
+LOCAL_CLANG := true
+LOCAL_SANITIZE := integer
+LOCAL_SRC_FILES:= \
+    qemu_pipe.cpp
+LOCAL_C_INCLUDES := \
+    $(LOCAL_PATH)/include \
+    system/base/include
+LOCAL_MODULE:= libqemu_pipe
+LOCAL_STATIC_LIBRARIES := $(common_static_libraries)
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include
+LOCAL_CFLAGS := -Werror
+include $(BUILD_STATIC_LIBRARY)
diff --git a/qemu_pipe/include/qemu_pipe.h b/qemu_pipe/include/qemu_pipe.h
new file mode 100644
index 000000000..16486c087
--- /dev/null
+++ b/qemu_pipe/include/qemu_pipe.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2011 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 ANDROID_CORE_INCLUDE_QEMU_PIPE_H
+#define ANDROID_CORE_INCLUDE_QEMU_PIPE_H
+
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+// Try to open a new Qemu fast-pipe. This function returns a file descriptor
+// that can be used to communicate with a named service managed by the
+// emulator.
+//
+// This file descriptor can be used as a standard pipe/socket descriptor.
+//
+// 'pipeName' is the name of the emulator service you want to connect to,
+// and must begin with 'pipe:' (e.g. 'pipe:camera' or 'pipe:opengles').
+//
+// On success, return a valid file descriptor, or -1/errno on failure. E.g.:
+//
+// EINVAL  -> unknown/unsupported pipeName
+// ENOSYS  -> fast pipes not available in this system.
+//
+// ENOSYS should never happen, except if you're trying to run within a
+// misconfigured emulator.
+//
+// You should be able to open several pipes to the same pipe service,
+// except for a few special cases (e.g. GSM modem), where EBUSY will be
+// returned if more than one client tries to connect to it.
+int qemu_pipe_open(const char* pipeName);
+
+// Send a framed message |buff| of |len| bytes through the |fd| descriptor.
+// This really adds a 4-hexchar prefix describing the payload size.
+// Returns 0 on success, and -1 on error.
+int qemu_pipe_frame_send(int fd, const void* buff, size_t len);
+
+// Read a frame message from |fd|, and store it into |buff| of |len| bytes.
+// If the framed message is larger than |len|, then this returns -1 and the
+// content is lost. Otherwise, this returns the size of the message. NOTE:
+// empty messages are possible in a framed wire protocol and do not mean
+// end-of-stream.
+int qemu_pipe_frame_recv(int fd, void* buff, size_t len);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ANDROID_CORE_INCLUDE_QEMU_PIPE_H */
diff --git a/include/system/qemu_pipe.h b/qemu_pipe/qemu_pipe.cpp
index af2507997..a4529deb8 100644
--- a/include/system/qemu_pipe.h
+++ b/qemu_pipe/qemu_pipe.cpp
@@ -13,13 +13,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#ifndef ANDROID_INCLUDE_SYSTEM_QEMU_PIPE_H
-#define ANDROID_INCLUDE_SYSTEM_QEMU_PIPE_H
+
+#include "qemu_pipe.h"
 
 #include <unistd.h>
 #include <fcntl.h>
 #include <string.h>
 #include <errno.h>
+#include <stdio.h>
+
 
 // Define QEMU_PIPE_DEBUG if you want to print error messages when an error
 // occurs during pipe operations. The macro should simply take a printf-style
@@ -48,7 +50,7 @@
 // You should be able to open several pipes to the same pipe service,
 // except for a few special cases (e.g. GSM modem), where EBUSY will be
 // returned if more than one client tries to connect to it.
-static __inline__ int qemu_pipe_open(const char* pipeName) {
+int qemu_pipe_open(const char* pipeName) {
     // Sanity check.
     if (!pipeName || memcmp(pipeName, "pipe:", 5) != 0) {
         errno = EINVAL;
@@ -81,9 +83,7 @@ static __inline__ int qemu_pipe_open(const char* pipeName) {
 // Send a framed message |buff| of |len| bytes through the |fd| descriptor.
 // This really adds a 4-hexchar prefix describing the payload size.
 // Returns 0 on success, and -1 on error.
-static int __inline__ qemu_pipe_frame_send(int fd,
-                                           const void* buff,
-                                           size_t len) {
+int qemu_pipe_frame_send(int fd, const void* buff, size_t len) {
     char header[5];
     snprintf(header, sizeof(header), "%04zx", len);
     ssize_t ret = TEMP_FAILURE_RETRY(write(fd, header, 4));
@@ -104,7 +104,7 @@ static int __inline__ qemu_pipe_frame_send(int fd,
 // content is lost. Otherwise, this returns the size of the message. NOTE:
 // empty messages are possible in a framed wire protocol and do not mean
 // end-of-stream.
-static int __inline__ qemu_pipe_frame_recv(int fd, void* buff, size_t len) {
+int qemu_pipe_frame_recv(int fd, void* buff, size_t len) {
     char header[5];
     ssize_t ret = TEMP_FAILURE_RETRY(read(fd, header, 4));
     if (ret != 4) {
@@ -130,5 +130,3 @@ static int __inline__ qemu_pipe_frame_recv(int fd, void* buff, size_t len) {
     }
     return size;
 }
-
-#endif /* ANDROID_INCLUDE_HARDWARE_QEMUD_PIPE_H */