cleanup build. add demo project. add timing features to sync. switch to more std::string and std::vector usage over custom, hacky Array template

inc/sync.hpp

@@ -0,0 +1,180 @@
+#pragma once 
+
+#ifdef _WIN32
+#include "windows.h"
+#endif
+
+namespace sync {
+
+#ifdef _WIN32
+typedef CRITICAL_SECTION Mutex;
+typedef CONDITION_VARIABLE ConditionVar; 
+typedef HANDLE Semaphore;
+typedef HANDLE Thread; 
+typedef LARGE_INTEGER TimeSpan;
+typedef DWORD (WINAPI *ThreadFunc)(_In_ LPVOID lpParameter);
+typedef LPVOID ThreadArg;
+
+const TimeSpan infinite_ts = LLONG_MAX;
+static const LARGE_INTEGER freq;
+QueryPerformanceFrequency(&freq);
+#endif
+
+Thread make_thread(ThreadFunc t, ThreadArg a);
+void join(Thread t);
+
+Mutex make_mutex();
+void lock(Mutex &m);
+bool trylock(Mutex &m);
+void unlock(Mutex &m);
+void dispose(Mutex &m);
+
+ConditionVar make_condition_var();
+void wait(ConditionVar &c, Mutex &m, TimeSpan ts);
+void wake_one(ConditionVar &c);
+void wake_all(ConditionVar &c);
+void dispose(ConditionVar &c);
+
+Semaphore make_semaphore(int initial, int max);
+void wait(Semaphore &s);
+void post(Semaphore &s);
+void dispose(Semaphore &s);
+
+TimeSpan from_ms(double milliseconds);
+TimeSpan from_s(double seconds);
+TimeSpan from_min(double minutes);
+TimeSpan from_hours(double hours);
+TimeSpan now();
+TimeSpan operator-(const TimeSpan &a, const TimeSpan &b);
+
+double to_ms(TimeSpan &sp);
+double to_s(TimeSpan &sp);
+double to_min(TimeSpan &sp);
+double to_hours(TimeSpan &sp);
+
+#ifdef _WIN32
+
+Thread make_thread(ThreadFunc f, ThreadArg a) {
+    DWORD tid;
+    return CreateThread(NULL, 0, f, a, 0, &tid);
+}
+
+void join(Thread t) {
+    WaitForSingleObject(t, infinite_ts);
+}
+
+Mutex make_mutex() {
+    Mutex m;
+    InitializeCriticalSection(&m);
+    return m;
+}
+
+void lock(Mutex &m) {
+    EnterCriticalSection(&m);
+}
+
+bool trylock(Mutex &m) {
+    return TryEnterCriticalSection(&m);
+}
+
+void unlock(Mutex &m) {
+    LeaveCriticalSection(&m);
+}
+
+void dispose(Mutex &m) {
+    DeleteCriticalSection(&m);
+}
+
+ConditionVar make_condition_var() {
+    ConditionVar c;
+    InitializeConditionVariable(&c);
+    return c;
+}
+
+void wait(ConditionVar &c, Mutex &m, TimeSpan ts) {
+    SleepConditionVariableCS(&c, &m, ts);
+}
+
+void wake_one(ConditionVar &c) {
+    WakeConditionVariable(&c);
+}
+
+void wake_all(ConditionVar &c) {
+    WakeAllConditionVariable(&c);
+}
+
+void dispose(ConditionVar &c) {
+    return; // Windows doesn't have a delete condition variable func
+}
+
+Semaphore make_semaphore(int initial, int max) {
+    return CreateSemaphoreA(NULL, (long)initial, (long)max, NULL);
+}
+
+void wait(Semaphore &s) {
+    WaitForSingleObject(s, infinite_ts);
+}
+
+void post(Semaphore &s) {
+    ReleaseSemaphore(s, 1, NULL);
+}
+
+void dispose(Semaphore &s) {
+    CloseHandle(s);
+}
+
+TimeSpan from_ms(double milliseconds) {
+    TimeSpan ts;
+    ts.QuadPart = static_cast<int64_t>(milliseconds/1000.0)*freq.QuadPart;
+    return ts;
+}
+
+TimeSpan from_s(double seconds) {
+    TimeSpan ts;
+    ts.QuadPart = static_cast<int64_t>(seconds)*freq.QuadPart;
+    return ts;
+}
+
+TimeSpan from_min(double minutes) {
+    TimeSpan ts;
+    ts.QuadPart = static_cast<int64_t>(minutes*60.0)*freq.QuadPart;
+    return ts;
+}
+
+TimeSpan from_hours(double hours) {
+    TimeSpan ts;
+    ts.QuadPart = static_cast<int64_t>(hours*60.0*60.0)*freq.QuadPart;
+    return ts;
+}
+
+TimeSpan now() {
+    TimeSpan ts;
+    QueryPerformanceCounter(&ts);
+    return ts;
+}
+
+TimeSpan operator-(const TimeSpan &a, TimeSpan &b) {
+    TimeSpan ts;
+    ts.QuadPart = a.QuadPart - b.QuadPart;
+    return ts;
+}
+
+double to_ms(TimeSpan &sp) {
+    return static_cast<double>(sp.QuadPart*1000)/static_cast<double>(freq.QuadPart);
+}
+
+double to_s(TimeSpan &sp) {
+    return static_cast<double>(sp.QuadPart)/static_cast<double>(freq.QuadPart);
+}
+
+double to_min(TimeSpan &sp) {
+    return static_cast<double>(sp.QuadPart)/static_cast<double>(freq.QuadPart*60);
+}
+
+double to_hours(TimeSpan &sp) {
+    return static_cast<double>(sp.QuadPart)/static_cast<double>(freq.QuadPart*60*60);
+}
+ 
+#endif
+
+} // namespace sync