Enable compilation of libbinder on Fuchsia

This ensures that getMinSchedulerPolicy and getMinSchedulerPriority are
only called on Linux as they are only defined here.

This replaces some __ANDROID__ ifdef's with BINDER_WITH_KERNEL_IPC.

Change-Id: Idec83bf1715ac3c62ac7a849aa188aa491a19fda

Author: kevinlindkvist

libs/binder/IPCThreadState.cpp

@@ -38,6 +38,10 @@
 #include "Utils.h"
 #include "binder_module.h"
 
+#if (defined(__ANDROID__) || defined(__Fuchsia__)) && !defined(BINDER_WITH_KERNEL_IPC)
+#error Android and Fuchsia are expected to have BINDER_WITH_KERNEL_IPC
+#endif
+
 #if LOG_NDEBUG
 
 #define IF_LOG_TRANSACTIONS() if (false)
@@ -1215,7 +1219,7 @@ status_t IPCThreadState::talkWithDriver(bool doReceive)
             std::string message = logStream.str();
             ALOGI("%s", message.c_str());
         }
-#if defined(__ANDROID__)
+#if defined(BINDER_WITH_KERNEL_IPC)
         if (ioctl(mProcess->mDriverFD, BINDER_WRITE_READ, &bwr) >= 0)
             err = NO_ERROR;
         else
@@ -1604,7 +1608,7 @@ void IPCThreadState::threadDestructor(void *st)
         IPCThreadState* const self = static_cast<IPCThreadState*>(st);
         if (self) {
                 self->flushCommands();
-#if defined(__ANDROID__)
+#if defined(BINDER_WITH_KERNEL_IPC)
         if (self->mProcess->mDriverFD >= 0) {
             ioctl(self->mProcess->mDriverFD, BINDER_THREAD_EXIT, 0);
         }
@@ -1620,7 +1624,7 @@ status_t IPCThreadState::getProcessFreezeInfo(pid_t pid, uint32_t *sync_received
     binder_frozen_status_info info = {};
     info.pid = pid;
 
-#if defined(__ANDROID__)
+#if defined(BINDER_WITH_KERNEL_IPC)
     if (ioctl(self()->mProcess->mDriverFD, BINDER_GET_FROZEN_INFO, &info) < 0)
         ret = -errno;
 #endif
@@ -1639,7 +1643,7 @@ status_t IPCThreadState::freeze(pid_t pid, bool enable, uint32_t timeout_ms) {
     info.timeout_ms = timeout_ms;
 
 
-#if defined(__ANDROID__)
+#if defined(BINDER_WITH_KERNEL_IPC)
     if (ioctl(self()->mProcess->mDriverFD, BINDER_FREEZE, &info) < 0)
         ret = -errno;
 #endif
@@ -1657,7 +1661,7 @@ void IPCThreadState::logExtendedError() {
     if (!ProcessState::isDriverFeatureEnabled(ProcessState::DriverFeature::EXTENDED_ERROR))
         return;
 
-#if defined(__ANDROID__)
+#if defined(BINDER_WITH_KERNEL_IPC)
     if (ioctl(self()->mProcess->mDriverFD, BINDER_GET_EXTENDED_ERROR, &ee) < 0) {
         ALOGE("Failed to get extended error: %s", strerror(errno));
         return;

libs/binder/IServiceManager.cpp

@@ -43,7 +43,11 @@
 #include <binder/IPermissionController.h>
 #endif
 
-#ifdef __ANDROID__
+#if !(defined(__ANDROID__) || defined(__FUCHSIA))
+#define BINDER_SERVICEMANAGEMENT_DELEGATION_SUPPORT
+#endif
+
+#if !defined(BINDER_SERVICEMANAGEMENT_DELEGATION_SUPPORT)
 #include <cutils/properties.h>
 #else
 #include "ServiceManagerHost.h"
@@ -902,7 +906,7 @@ std::vector<IServiceManager::ServiceDebugInfo> CppBackendShim::getServiceDebugIn
     return ret;
 }
 
-#ifndef __ANDROID__
+#if defined(BINDER_SERVICEMANAGEMENT_DELEGATION_SUPPORT)
 // CppBackendShim for host. Implements the old libbinder android::IServiceManager API.
 // The internal implementation of the AIDL interface android::os::IServiceManager calls into
 // on-device service manager.

libs/binder/Parcel.cpp

@@ -299,8 +299,13 @@ status_t Parcel::flattenBinder(const sp<IBinder>& binder) {
             obj.handle = handle;
             obj.cookie = 0;
         } else {
+#if __linux__
             int policy = local->getMinSchedulerPolicy();
             int priority = local->getMinSchedulerPriority();
+#else
+            int policy = 0;
+            int priority = 0;
+#endif
 
             if (policy != 0 || priority != 0) {
                 // override value, since it is set explicitly

libs/binder/ProcessState.cpp

@@ -48,6 +48,10 @@
 #define DEFAULT_MAX_BINDER_THREADS 15
 #define DEFAULT_ENABLE_ONEWAY_SPAM_DETECTION 1
 
+#if defined(__ANDROID__) || defined(__Fuchsia__)
+#define EXPECT_BINDER_OPEN_SUCCESS
+#endif
+
 #ifdef __ANDROID_VNDK__
 const char* kDefaultDriver = "/dev/vndbinder";
 #else
@@ -613,7 +617,7 @@ ProcessState::ProcessState(const char* driver)
         }
     }
 
-#ifdef __ANDROID__
+#if defined(EXPECT_BINDER_OPEN_SUCCESS)
     LOG_ALWAYS_FATAL_IF(!opened.ok(),
                         "Binder driver '%s' could not be opened. Error: %s. Terminating.",
                         driver, error.c_str());