SignalCatcher()
{
// THIS IS A BIG HACK
// We intercept SIGABRT signal here, which may be intercepted somewhere
// else already. We shouldn't do this in a generic system, but for now
// I think we don't intercept it anywhere else anyway.
//
// Note: Current Android use SIGSEGV instead of SIGABRT.
// See bionic/libc/unistd/abort.c
LOGE("SignalCatcher::SignalCatcher constructed");
struct sigaction sig_handler;
memset(&sig_handler, 0, sizeof(struct sigaction));
sig_handler.sa_sigaction = android_signal_handler;
sig_handler.sa_flags = SA_RESETHAND;
#define CATCHSIG(X) sigaction(X, &sig_handler, &old_signalhandlers[X])
CATCHSIG(SIGILL);
CATCHSIG(SIGABRT);
CATCHSIG(SIGBUS);
CATCHSIG(SIGFPE);
CATCHSIG(SIGSEGV);
CATCHSIG(SIGSTKFLT);
CATCHSIG(SIGPIPE);
CATCHSIG(SIGTERM);
CATCHSIG(SIGQUIT);
CATCHSIG(SIGKILL);
#undef CATCHSIG
}
void crSetSignalHandler()
{
#ifdef _LINUX
if (signals_are_set)
return;
signals_are_set = true;
struct sigaction handler; // = {0};
//size_t s = sizeof(handler);
//void * p = &handler;
//memset(p, 0, s);
memset(&handler, 0, sizeof(handler));
handler.sa_sigaction = cr_sigaction;
handler.sa_flags = SA_RESETHAND;
#define CATCHSIG(X) sigaction(X, &handler, &old_sa[X])
CATCHSIG(SIGILL);
CATCHSIG(SIGABRT);
CATCHSIG(SIGBUS);
CATCHSIG(SIGFPE);
CATCHSIG(SIGSEGV);
// CATCHSIG(SIGSTKFLT);
CATCHSIG(SIGPIPE);
#endif
}
JNIEXPORT void JNICALL
Java_com_wheelphone_targetNavigation_WheelphoneTargetNavigation_initApplicationNative(
JNIEnv* env, jobject obj, jint width, jint height)
{
LOG("Java_com_qualcomm_QCARSamples_FrameMarkers_FrameMarkers_initApplicationNative");
g_sigEnv = env;
jclass javaClass = env->GetObjectClass(obj); // "obj" is the java class object calling the "initApplicationNative" method, that is an WheelphoneTargetNavigation instance.
g_sigNativeCrashed = env->GetMethodID(javaClass, "onNativeCrashed", "()V");
g_sigObj = env->NewGlobalRef(obj);
struct sigaction handler;
memset(&handler, 0, sizeof(struct sigaction));
handler.sa_sigaction = android_sigaction;
handler.sa_flags = SA_RESETHAND;
#define CATCHSIG(X) sigaction(X, &handler, &old_sa[X])
CATCHSIG(SIGILL);
CATCHSIG(SIGABRT);
CATCHSIG(SIGBUS);
CATCHSIG(SIGFPE);
CATCHSIG(SIGSEGV);
CATCHSIG(SIGSTKFLT);
CATCHSIG(SIGPIPE);
// Store screen dimensions
screenWidth = width;
screenHeight = height;
// Handle to the activity class:
jclass activityClass = env->GetObjectClass(obj);
jmethodID getTextureCountMethodID = env->GetMethodID(activityClass,
"getTextureCount", "()I");
if (getTextureCountMethodID == 0)
{
LOG("Function getTextureCount() not found.");
return;
}
textureCount = env->CallIntMethod(obj, getTextureCountMethodID);
if (!textureCount)
{
LOG("getTextureCount() returned zero.");
return;
}
textures = new Texture*[textureCount];
jmethodID getTextureMethodID = env->GetMethodID(activityClass,
"getTexture", "(I)Lcom/wheelphone/targetNavigation/Texture;");
if (getTextureMethodID == 0)
{
LOG("Function getTexture() not found.");
return;
}
// Register the textures
for (int i = 0; i < textureCount; ++i)
{
jobject textureObject = env->CallObjectMethod(obj, getTextureMethodID, i);
if (textureObject == NULL)
{
LOG("GetTexture() returned zero pointer");
return;
}
textures[i] = Texture::create(env, textureObject);
}
}
