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Commit f55d6882 authored by Andrei Homescu's avatar Andrei Homescu
Browse files

libbinder: compile some Linux code conditionally 

Binder.cpp and Parcel.cpp contain some Linux-specific code
that deals with scheduling and task priorities. This disables
those headers and methods on non-Linux OSes.

Bug: 224644083
Test: m
Change-Id: I5edf60a16ccb2d1abbc669f80b397238622112fe
parent 1519b984

libs/binder/Binder.cpp

+15 −3
Original line number Diff line number Diff line
@@ -32,9 +32,12 @@ 
#include <utils/misc.h>



#include <inttypes.h>

#include <linux/sched.h>

#include <stdio.h>



#ifdef __linux__

#include <linux/sched.h>

#endif



#include "RpcState.h"



namespace android {
@@ -234,11 +237,13 @@ class BBinder::Extras 
{

public:

    // unlocked objects

    bool mRequestingSid = false;

    bool mInheritRt = false;

    sp<IBinder> mExtension;

#ifdef __linux__

    int mPolicy = SCHED_NORMAL;

    int mPriority = 0;

#endif

    bool mRequestingSid = false;

    bool mInheritRt = false;



    // for below objects

    Mutex mLock;
@@ -407,6 +412,7 @@ sp<IBinder> BBinder::getExtension() { 
    return e->mExtension;

}



#ifdef __linux__

void BBinder::setMinSchedulerPolicy(int policy, int priority) {

    LOG_ALWAYS_FATAL_IF(mParceled,

                        "setMinSchedulerPolicy() should not be called after a binder object "
@@ -451,6 +457,7 @@ int BBinder::getMinSchedulerPriority() { 
    if (e == nullptr) return 0;

    return e->mPriority;

}

#endif // __linux__



bool BBinder::isInheritRt() {

    Extras* e = mExtras.load(std::memory_order_acquire);
@@ -478,7 +485,12 @@ void BBinder::setInheritRt(bool inheritRt) { 
}



pid_t BBinder::getDebugPid() {

#ifdef __linux__

    return getpid();

#else

    // TODO: handle other OSes

    return 0;

#endif // __linux__

}



void BBinder::setExtension(const sp<IBinder>& extension) {