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MainRunLoop.c
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MainRunLoop.c
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#include "AndroidNDK.h"
#include "MainRunLoop.h"
#include <pthread.h>
#include <CoreFoundation/CoreFoundation.h>
#include <dispatch/dispatch.h>
typedef struct _per_run_data {
uint32_t a;
uint32_t b;
uint32_t stopped;
uint32_t ignoreWakeUps;
} _per_run_data;
typedef pthread_mutex_t _CFRecursiveMutex;
typedef struct __CFRunLoopMode *CFRunLoopModeRef;
// eventfd/timerfd descriptor
typedef int __CFPort;
struct __CFRunLoop {
CFRuntimeBase _base;
_CFRecursiveMutex _lock; /* locked for accessing mode list */
__CFPort _wakeUpPort; // used for CFRunLoopWakeUp
volatile _per_run_data *_perRunData; // reset for runs of the run loop
_CFThreadRef _pthread;
uint32_t _winthread;
CFMutableSetRef _commonModes;
CFMutableSetRef _commonModeItems;
CFRunLoopModeRef _currentMode;
CFMutableSetRef _modes;
struct _block_item *_blocks_head;
struct _block_item *_blocks_tail;
CFAbsoluteTime _runTime;
CFAbsoluteTime _sleepTime;
CFTypeRef _counterpart;
_Atomic(uint8_t) _fromTSD;
Boolean _perCalloutARP;
CFLock_t _timerTSRLock;
};
int looperCallback(int fd, int events, void *data) {
while (true) {
int result = CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, true);
if (result == kCFRunLoopRunHandledSource) {
continue; // continue run loop
}
if (result == kCFRunLoopRunFinished) {
return 1; // continue listening for events
}
if (result == kCFRunLoopRunStopped) {
return 0; // stop listening
}
if (result == kCFRunLoopRunTimedOut) {
return 1; // continue listening for events
}
abort(); // unknown
}
return 1; // continue listening for events
}
int _dispatch_get_main_queue_port_4CF(void);
bool setupAndroidMainRunLoop() {
ALooper *looper = ALooper_forThread();
if (looper == NULL) {
return false;
}
CFRunLoopRef mainLoop = CFRunLoopGetMain();
__CFPort wakeUpPort = mainLoop->_wakeUpPort;
int result = ALooper_addFd(looper, wakeUpPort, 0, ALOOPER_EVENT_INPUT, &looperCallback, NULL);
mainLoop->_perRunData->ignoreWakeUps = 0x0;
int dispatchPort = _dispatch_get_main_queue_port_4CF();
result = ALooper_addFd(looper, dispatchPort, 0, ALOOPER_EVENT_INPUT, &looperCallback, NULL);
return true;
}