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src/libandroid: Add actual implementations for the stubbed ALooper functions

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this was actually surprisingly easy, since it turns out these
are just C ABI wrappers around the C++ class android::Looper
from AOSP libutils.so, which is a dependency for art that we
therefore compile and distribute alongside it
This commit is contained in:
Mis012
2022-11-04 18:07:18 +01:00
parent 18d0b11fcf
commit debe8c9843
2 changed files with 38 additions and 11 deletions
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35
src/libandroid/looper.c
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@@ -1,22 +1,39 @@
#include <stddef.h>
#include <stdio.h>
struct ALooper {
int dummy;
};
typedef void ALooper;
typedef int (*Looper_callbackFunc)(int fd, int events, void* data);
struct ALooper a_looper;
struct ALooper* ALooper_forThread()
void _ZN7android6Looper12getForThreadEv(void **ret); // no clue why itanium ABI does this with return values
ALooper * ALooper_forThread()
{
return &a_looper;
void *ret;
_ZN7android6Looper12getForThreadEv(&ret);
return ret;
}
struct ALooper* ALooper_prepare(int opts)
void _ZN7android6Looper7prepareEi(void **ret, int opts); // no clue why itanium ABI does this with return values
ALooper * ALooper_prepare(int opts)
{
return NULL;
void *ret;
_ZN7android6Looper7prepareEi(&ret, opts);
return ret;
}
int _ZN7android6Looper7pollAllEiPiS1_PPv(void *this, int timeoutMillis, int* outFd, int* outEvents, void** outData);
int ALooper_pollAll(int timeoutMillis, int* outFd, int* outEvents, void** outData)
{
ALooper *looper = ALooper_forThread();
if(!looper) {
fprintf(stderr, "ALooper_pollAll: ALooper_forThread returned NULL\n");
return 0;
}
return _ZN7android6Looper7pollAllEiPiS1_PPv(looper, timeoutMillis, outFd, outEvents, outData);
}
int _ZN7android6Looper5addFdEiiiPFiiiPvES1_(void *this, int fd, int ident, int events, Looper_callbackFunc callback, void* data);
int ALooper_addFd(ALooper* looper, int fd, int ident, int events, Looper_callbackFunc callback, void* data)
{
return _ZN7android6Looper5addFdEiiiPFiiiPvES1_(looper, fd, ident, events, callback, data);
}

12
src/libandroid/sensor.c
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@@ -18,12 +18,22 @@ typedef void * ALooper_callbackFunc;
struct ASensorManager a_sensor_manager;
// --- sensor manager
struct ASensorManager* ASensorManager_getInstance()
{
return &a_sensor_manager;
}
// --- sensor manager
struct ASensorManager* ASensorManager_getInstanceForPackage(const char* packageName)
{
return &a_sensor_manager;
}
struct ASensor const* ASensorManager_getDefaultSensor(struct ASensorManager* manager, int type)
{
return NULL; // no sensor of this type exists
}
int ASensorManager_getSensorList(struct ASensorManager* manager, struct ASensorList* list)
{