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Code Issues Projects Releases Packages Wiki Activity Actions 2

Android: concurrency issues, make sure Activity is in running State when calling

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functions like SDL_CreateWindow, SDL_CreateRenderer, Android_GLES_CreateContext

Bugs 4694, 4681, 4142
This commit is contained in:
Sylvain Becker 2019-06-28 16:38:42 +02:00
parent cfed0b7738
commit 22a2decf64
5 changed files with 45 additions and 2 deletions
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20
src/core/android/SDL_android.c
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@ -24,6 +24,7 @@
#include "SDL_hints.h"
#include "SDL_log.h"
#include "SDL_main.h"
#include "SDL_timer.h"
#ifdef __ANDROID__
@ -720,6 +721,25 @@ void Android_ActivityMutex_Unlock() {
SDL_UnlockMutex(Android_ActivityMutex);
}
/* Lock the Mutex when the Activity is in its 'Running' state */
void Android_ActivityMutex_Lock_Running() {
int pauseSignaled = 0;
int resumeSignaled = 0;
retry:
SDL_LockMutex(Android_ActivityMutex);
pauseSignaled = SDL_SemValue(Android_PauseSem);
resumeSignaled = SDL_SemValue(Android_ResumeSem);
if (pauseSignaled > resumeSignaled) {
SDL_UnlockMutex(Android_ActivityMutex);
SDL_Delay(50);
goto retry;
}
}
/* Set screen resolution */
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeSetScreenResolution)(
JNIEnv *env, jclass jcls,