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Critical error -> c0000374


Critical error -> c0000374

By : Dominique Hernandez
Date : November 22 2020, 09:00 AM
fixed the issue. Will look into that further In your mallocs you're using sizeof(int) instead of sizeof(double).
Also your destructor only deletes the first row of globalMatrixH. It should be a loop going through every index, just as in the construction.
code :


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Using dynamic allocations in a mission-critical / life-critical software

Using dynamic allocations in a mission-critical / life-critical software


By : amrodkun
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , With critical software you want your system to have as deterministic behaviour as possible.
Dynamic memory, memory fragmentation, possible leaks, and in some corner cases (not too rare) misbehaviour of malloc will make it that much harder to gain 100% determinism.
Critical error detected c0000374 - C++ dll returns pointer off allocated memory to C#

Critical error detected c0000374 - C++ dll returns pointer off allocated memory to C#


By : Andy Chen
Date : March 29 2020, 07:55 AM
should help you out If all your code is indeed what is shown above, then I don't see the problem. However, when I get this issue, sometimes its because malloc/new/whatever detects heap corruption, often this corruption has already occurred previously in the program, but the crash has been delayed until the next call to new/malloc.
If you read other files, or allocate or free other buffers before the above is executed and crashes, I would look there for problems. Perhaps throw a bunch of asserts anywhere you write to buffers and check the bounds and what you are writing for overruns. Sorry this isn't a concrete answer, I do not have enough rep to leave this advice as a comment.
C++/3D Terrain: std::vector pushback() crashes with c0000374

C++/3D Terrain: std::vector pushback() crashes with c0000374


By : limon
Date : March 29 2020, 07:55 AM
it fixes the issue Your sz_iList doesn't appear to be big enough. Let's use a simple example of Width = Height = 2;, then sz_iList = (2 - 1) * (2 - 1) * 6 = 6, right? But in your nested loops, the last iteration occurs when i = j = 1 (i is one less than Width and j is one less than Height), where (in the last line of your loop), you try to access element (i + j * (Width - 1)) * 6 + 5 = (1 + 1 * (2 - 1)) * 6 + 5 = (1 + 1 * 1) * 6 + 5 = 2 * 6 + 5 = 17, which is bigger than the size of your array. This results in undefined behavior.
Ensure that all other threads have completed their kth calls to critical() before a thread call critical() (k+1) time

Ensure that all other threads have completed their kth calls to critical() before a thread call critical() (k+1) time


By : GreenQuant
Date : March 29 2020, 07:55 AM
I wish did fix the issue. Use CyclicBarrier
You can create a CyclicBarrier with the number of threads n.
code :
public class CriticalThread extends Thread {

    private final CriticalMonitor monitor;
    private int threadId;
    private CyclicBarrier barrier;

    public CriticalThread(CriticalMonitor m, int id, CyclicBarrier barrier) {
        monitor = m;
        monitor.N++;
        threadId = id;
        this.barrier = barrier;
    }

    public void run() {
        monitor.uncritical(threadId);
        //random number of calls to critical()?
        try {
            barrier.await();
            int rand = (int) (Math.random() * 5);
            int time = 0;
            int limit = 5;
            while (time < limit) {
                if (rand > 0) {
                    monitor.critical(threadId);
                    rand--;
                }
                barrier.await();
                time++;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.ReentrantLock;

public class CriticalMonitor {
    public static int SOURCE_N = 0;
    public static AtomicInteger N = new AtomicInteger(SOURCE_N);
    public static ReentrantLock lock = new ReentrantLock(true);
    public static Condition condition = lock.newCondition();


    public void uncritical(int threadID) {
        System.out.println("Thread " + threadID + ": Uncritical!");
        N.getAndDecrement();
        if (N.get() == 0) {
            lock.lock();
            try {
                condition.signalAll();
            } finally {
                lock.unlock();
            }

        }
    }

    public void critical(int threadID) {
        lock.lock();
        try {
            while (N.get() != 0) {
                try {
                    condition.await();
                } catch (InterruptedException e) {
                    System.out.println("Critical failed");
                }
            }
            System.out.println("Thread " + threadID + ":Critical !");
            N.getAndDecrement();
        } finally {
            lock.unlock();
        }
    }
}
while(rand >= 0){
        monitor.critical(threadId);
        rand--;
        N.getAndIncrement();
        if (N.get() == 0) {
            lock.lock();
            try {
                condition.signal();
            } finally {
                lock.unlock();
            }
        }
 }
How to get rid of the Heap-corruption error (Critical error c0000374) in C when converting hex into binary string?

How to get rid of the Heap-corruption error (Critical error c0000374) in C when converting hex into binary string?


By : user2713216
Date : March 29 2020, 07:55 AM
it fixes the issue There are multiple problems in your code:
You do not check the for memory allocation failure.
code :
snprintf(hexdec, 9, "%08X", hex);
for (i = 0; i < 8; ++i) 
#include <stdio.h>
#include <stdlib.h>

char *convertBinary(unsigned int hex) {
    char *bin = calloc(33, 1);
    int i;

    if (bin) {
        for (i = 32; i-- > 0;) {
            bin[i] = '0' + (hex & 1);
            hex >>= 1;
        }
    }
    return bin;
}

int main() {
    int command = 0x10010100; //This is in hex   

    char *binaryString = convertBinary(command);
    if (binaryString == NULL) {
        printf("Memory allocation failure\n");
    } else {
        printf("The converted binary is: %s\n", binaryString);
        free(binaryString);
    }
    return 0;
}
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