check_set_cpu_time_limit

check.c

#include <stdio.h>
#include <3ds.h>

const u64 SECOND = 1000 * 1000 * 1000;
u32 stack[0x400];

static void threadEntry (void* args) {
    svcSleepThread(1 * SECOND);
    svcExitThread();
}

int main() {
    u8 isNew3DS;
    u32 origCpuTimeLimit;
    u32 ret;
    Handle thread;

    gfxInitDefault();
    gfxSet3D(false);

    consoleInit(GFX_BOTTOM, NULL);

    printf("Check SetAppCpuTimeLimit\n\n");

    aptOpenSession();

    APT_CheckNew3DS(&isNew3DS);
    printf("New 3DS: %s\n", isNew3DS ? "True" : "False");

    printf("GetAppCpuTimeLimit: ");
    ret = APT_GetAppCpuTimeLimit(&origCpuTimeLimit);
    if (ret) {
        printf("error(0x%lx)\n", ret);
    } else {
        printf("%lu\n", origCpuTimeLimit);
    }

    printf("SetAppCpuTimeLimit: ");
    ret = APT_SetAppCpuTimeLimit(5);
    if (ret) {
        printf("error(0x%lx)\n", ret);
    } else {
        printf("ok\n");
    }
    aptCloseSession();

    printf("CreateThread: ");
    ret = svcCreateThread(&thread, (ThreadFunc)threadEntry, 0x0,
                          stack + 0x400, 0x3f, 1);
    if (ret) {
        printf("error(0x%lx)\n", ret);
    } else {
        printf("ok\n");

        printf("Wait thread: ");
        svcWaitSynchronization(thread, U64_MAX);
        svcCloseHandle(thread);
        printf("ok\n");
    }

    printf("\ndone!\n");
    while (aptMainLoop()) {
        hidScanInput();

        ret = hidKeysDown();
        if (ret) {
            break;
        }
    }
    gfxExit();
    return 0;
}