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Android: don't call Android_JNI_ThreadDestroyed() for Java SDLThread

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SDLThread is a Java Thread, it's not needed to call 'Detach' from the JVM.
Clear mThreadKey, so that the pthread_create destructor is not called for this
thread.
This commit is contained in:
Sylvain Becker 2019-01-11 14:50:43 +01:00
parent 42e18bd0c2
commit 9a98e5afe1
1 changed files with 16 additions and 2 deletions
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18
src/core/android/SDL_android.c
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@ -292,6 +292,9 @@ static SDL_bool bHasNewData;
static SDL_bool bHasEnvironmentVariables = SDL_FALSE;
static void Android_JNI_SetEnv(JNIEnv *env);
/*******************************************************************************
Functions called by JNI
*******************************************************************************/
@ -559,6 +562,10 @@ JNIEXPORT int JNICALL SDL_JAVA_INTERFACE(nativeRunMain)(JNIEnv *env, jclass cls,
}
(*env)->ReleaseStringUTFChars(env, library, library_file);
/* This is a Java thread, it doesn't need to be Detached from the JVM.
* Set to mThreadKey value to NULL not to call pthread_create destructor 'Android_JNI_ThreadDestroyed' */
Android_JNI_SetEnv(NULL);
/* Do not issue an exit or the whole application will terminate instead of just the SDL thread */
/* exit(status); */
@ -1126,7 +1133,14 @@ static void Android_JNI_ThreadDestroyed(void *value)
JNIEnv *env = (JNIEnv *) value;
if (env != NULL) {
(*mJavaVM)->DetachCurrentThread(mJavaVM);
pthread_setspecific(mThreadKey, NULL);
Android_JNI_SetEnv(NULL);
}
}
static void Android_JNI_SetEnv(JNIEnv *env) {
int status = pthread_setspecific(mThreadKey, env);
if (status < 0) {
__android_log_print(ANDROID_LOG_ERROR, "SDL", "Failed pthread_setspecific() in Android_JNI_SetEnv() (err=%d)", status);
}
}
@ -1160,7 +1174,7 @@ JNIEnv* Android_JNI_GetEnv(void)
* Note: You can call this function any number of times for the same thread, there's no harm in it
* (except for some lost CPU cycles)
*/
pthread_setspecific(mThreadKey, (void *)env);
Android_JNI_SetEnv(env);
return env;
}