[lldb][NFC] Make test/python_api/module_section test smaller

[teemperor]

Summary

I don't see why this test needs to compile this rather complicated file for just testing module sections. This just removes all this code with a simple
"Hello world!" program which should be faster to compile

lldb/packages/Python/lldbsuite/test/python_api/module_section/main.cpp

-//===-- main.cpp ------------------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-// C includes
 #include <stdio.h>
-#include <stdint.h>
-#include <stdlib.h>
-
-// C++ includes
-#include <chrono>
-#include <mutex>
-#include <random>
-#include <thread>
-
-std::thread g_thread_1;
-std::thread g_thread_2;
-std::thread g_thread_3;
-std::mutex g_mask_mutex;
-
-enum MaskAction {
-    eGet,
-    eAssign,
-    eClearBits
-};
-
-uint32_t mask_access (MaskAction action, uint32_t mask = 0);
-
-uint32_t
-mask_access (MaskAction action, uint32_t mask)
-{
-    static uint32_t g_mask = 0;
-
-    std::lock_guard<std::mutex> lock(g_mask_mutex);
-    switch (action)
-    {
-    case eGet:
-        break;
-
-    case eAssign:
-        g_mask |= mask;
-        break;
-
-    case eClearBits:
-        g_mask &= ~mask;
-        break;
-    }
-    return g_mask;
-}
-
-void *
-thread_func (void *arg)
-{
-    uint32_t thread_index = *((uint32_t *)arg);
-    uint32_t thread_mask = (1u << (thread_index));
-    printf ("%s (thread index = %u) startng...\n", __FUNCTION__, thread_index);
-
-    std::default_random_engine generator;
-    std::uniform_int_distribution<int> distribution(0, 3000000);
-
-    while (mask_access(eGet) & thread_mask)
-    {
-        // random micro second sleep from zero to 3 seconds
-        int usec = distribution(generator);
-
-        printf ("%s (thread = %u) doing a usleep (%d)...\n", __FUNCTION__, thread_index, usec);
-        std::chrono::microseconds duration(usec);
-        std::this_thread::sleep_for(duration);
-        printf ("%s (thread = %u) after usleep ...\n", __FUNCTION__, thread_index); // Set break point at this line.
-    }
-    printf ("%s (thread index = %u) exiting...\n", __FUNCTION__, thread_index);
-    return NULL;
-}
-
-
-int main (int argc, char const *argv[])
-{
-    int err;
-    void *thread_result = NULL;
-    uint32_t thread_index_1 = 1;
-    uint32_t thread_index_2 = 2;
-    uint32_t thread_index_3 = 3;
-    uint32_t thread_mask_1 = (1u << thread_index_1);
-    uint32_t thread_mask_2 = (1u << thread_index_2);
-    uint32_t thread_mask_3 = (1u << thread_index_3);
-
-    // Make a mask that will keep all threads alive
-    mask_access (eAssign, thread_mask_1 | thread_mask_2 | thread_mask_3); // And that line.
-
-    // Create 3 threads
-    g_thread_1 = std::thread(thread_func, (void*)&thread_index_1);
-    g_thread_2 = std::thread(thread_func, (void*)&thread_index_2);
-    g_thread_3 = std::thread(thread_func, (void*)&thread_index_3);
-
-    char line[64];
-    while (mask_access(eGet) != 0)
-    {
-        printf ("Enter thread index to kill or ENTER for all:\n");
-        fflush (stdout);
-        // Kill threads by index, or ENTER for all threads
-
-        if (fgets (line, sizeof(line), stdin))
-        {
-            if (line[0] == '\n' || line[0] == '\r' || line[0] == '\0')
-            {
-                printf ("Exiting all threads...\n");
-                break;
-            }
-            int32_t index = strtoul (line, NULL, 0);
-            switch (index)
-            {
-                case 1: mask_access (eClearBits, thread_mask_1); break;
-                case 2: mask_access (eClearBits, thread_mask_2); break;
-                case 3: mask_access (eClearBits, thread_mask_3); break;
-            }
-            continue;
-        }
-
-        break;
-    }
-
-    // Clear all thread bits to they all exit
-    mask_access (eClearBits, UINT32_MAX);
-
-    // Join all of our threads
-    g_thread_1.join();
-    g_thread_2.join();
-    g_thread_3.join();
 
-    return 0;
+int main() {
+  printf("Hello World\n");
 }