threads/event/source/main.c

#include <string.h>
#include <malloc.h>
#include <inttypes.h>
#include <stdio.h>
 
 
#include <3ds.h>
 
Thread threadHandle;
Handle threadRequest;
 
#define STACKSIZE (4 * 1024)
 
volatile bool runThread = true;
 
volatile int threadcount=0;
 
void threadMain(void *arg) {
 
 while(runThread) {
 svcWaitSynchronization(threadRequest, U64_MAX);
 svcClearEvent(threadRequest);
 
 threadcount++;
 }
}
 
int main(int argc, char** argv)
{
 gfxInitDefault();
 consoleInit(GFX_TOP, NULL);
 
 svcCreateEvent(&threadRequest,0);
 threadHandle = threadCreate(threadMain, 0, STACKSIZE, 0x3f, -2, true);
 
 printf("thread handle: %p\n", threadHandle);
 
 // Main loop
 while (aptMainLoop())
 {
 gspWaitForVBlank();
 hidScanInput();
 
 printf("\x1b[6;1H");
 printf("thread counter = %d\n",threadcount);
 
 u32 kDown = hidKeysDown();
 if (kDown & KEY_START)
 break; // break in order to return to hbmenu
 
 if (kDown & KEY_A)
 svcSignalEvent(threadRequest);
 
 // Flush and swap framebuffers
 gfxFlushBuffers();
 gfxSwapBuffers();
 }
 
 // tell thread to exit
 runThread = false;
 
 // signal the thread and wait for it to exit
 svcSignalEvent(threadRequest);
 threadJoin(threadHandle, U64_MAX);
 
 // close event handle
 svcCloseHandle(threadRequest);
 
 gfxExit();
 return 0;
}