Move error handling into own file.

The current solution is not clean, but allows us to change error handling later on without missing any point in the programm where we would want to use it.

lib/pls/CMakeLists.txt

@@ -14,7 +14,7 @@ add_library(pls STATIC
             src/internal/scheduling/run_on_n_threads_task.cpp include/pls/internal/scheduling/run_on_n_threads_task.h
             src/internal/scheduling/fork_join_task.cpp include/pls/internal/scheduling/fork_join_task.h
             src/internal/base/deque.cpp include/pls/internal/base/deque.h
-            src/algorithms/invoke_parallel.cpp include/pls/algorithms/invoke_parallel.h)
+            src/algorithms/invoke_parallel.cpp include/pls/algorithms/invoke_parallel.h include/pls/internal/base/error_handling.h)
 
 # Add everything in `./include` to be in the include path of this project
 target_include_directories(pls

lib/pls/include/pls/internal/base/aligned_stack.h

@@ -5,6 +5,8 @@
 #include <cstdint>
 #include <cstdlib>
 
+#include "pls/internal/base/error_handling.h"
+
 namespace pls {
     namespace internal {
         namespace base {
@@ -41,7 +43,7 @@ namespace pls {
                     // Move head to next aligned position after new object
                     head_ = next_alignment(head_ + sizeof(T));
                     if (head_ >= memory_end_) {
-                        exit(1); // TODO: Exception Handling
+                        PLS_ERROR("Tried to allocate object on alligned_stack without sufficient memory!");
                     }
 
                     return result;

lib/pls/include/pls/internal/base/error_handling.h

+
+#ifndef PLS_ERROR_HANDLING_H
+#define PLS_ERROR_HANDLING_H
+
+#include <iostream>
+
+// TODO: Figure out proper exception handling
+#define PLS_ERROR(msg) std::cout << msg << std::endl; exit(1);
+
+#endif //PLS_ERROR_HANDLING_H

lib/pls/src/internal/scheduling/scheduler.cpp

 #include "pls/internal/scheduling/scheduler.h"
+#include "pls/internal/base/error_handling.h"
 
 namespace pls {
     namespace internal {
@@ -9,7 +10,7 @@ namespace pls {
                     sync_barrier_{num_threads + 1},
                     terminated_{false} {
                 if (num_threads > MAX_THREADS) {
-                    exit(1); // TODO: Exception Handling
+                    PLS_ERROR("Tried to create scheduler with more OS threads than pre-allocated memory.");
                 }
 
                 for (unsigned int i = 0; i < num_threads; i++) {