Port to CMake, get rid of os_int.h.

[stg.git] / stargazer / stg_timer.cpp

diff --git a/stargazer/stg_timer.cpp b/stargazer/stg_timer.cpp
new file mode 100644 (file)
index 0000000..572b069
--- /dev/null
+++ b/stargazer/stg_timer.cpp
@@ -0,0 +1,146 @@
+#include "stg_timer.h"
+
+#include "stg/common.h"
+
+#include <ctime>
+#include <cstring>
+#include <csignal>
+
+#include <pthread.h>
+
+void * StgTimer(void *);
+
+static int nonstop;
+static pthread_t thrStgTimer;
+static bool isTimerRunning = false;
+volatile time_t stgTime;
+
+#ifdef STG_TIMER_DEBUG
+const int TIME_SPEED = 1;
+/*
+ 1  - 1x  speed
+ 2  - 2x  speed
+ 5  - 5x  speed
+ 10 - 10x speed
+ */
+
+const int START_TIME = 2;
+/*
+ 0 - as is
+ 1 - start before new day (3 min before)   29.11.2005 23:57:00
+ 2 - start before new month (3 min before) 30.11.2005 23:57:00
+ */
+#endif
+
+//-----------------------------------------------------------------------------
+void * StgTimer(void *)
+{
+#ifdef STG_TIMER_DEBUG
+struct tm lt;
+memset(&lt, 0, sizeof(lt));
+
+lt.tm_year = 2016 - 1900; // 2005
+lt.tm_mon  = 7 - 1;      // Nov
+lt.tm_hour = 23;          // 23 h
+lt.tm_min = 57;           // 50 min
+lt.tm_sec = 0;            // 00 sec
+lt.tm_isdst = -1;
+
+switch (START_TIME)
+    {
+    case 0:
+        stgTime = time(NULL);
+        break;
+
+    case 1:
+        lt.tm_mday = 29;
+        stgTime = mktime(&lt);
+        break;
+
+    case 2:
+        lt.tm_mday = 31;
+        stgTime = mktime(&lt);
+        break;
+    }
+#else
+stgTime = time(NULL);
+#endif
+
+sigset_t signalSet;
+sigfillset(&signalSet);
+pthread_sigmask(SIG_BLOCK, &signalSet, NULL);
+
+nonstop = 1;
+isTimerRunning = true;
+while (nonstop)
+    {
+    #ifdef STG_TIMER_DEBUG
+    struct timespec ts;
+    if (TIME_SPEED == 1)
+        {
+        ts.tv_sec = 1;
+        ts.tv_nsec = 0;
+        }
+    else
+        {
+        ts.tv_sec = 0;
+        ts.tv_nsec = 1000000000 / TIME_SPEED;
+        }
+    nanosleep(&ts, NULL);
+    stgTime++;
+    #else
+    struct timespec ts = {0, 500000000};
+    nanosleep(&ts, NULL);
+    stgTime = time(NULL);
+    #endif
+    }
+isTimerRunning = false;
+
+return NULL;
+}
+//-----------------------------------------------------------------------------
+int RunStgTimer()
+{
+static int a = 0;
+isTimerRunning = false;
+
+if (a == 0)
+    if (pthread_create(&thrStgTimer, NULL, &StgTimer, NULL))
+        {
+        isTimerRunning = false;
+        return -1;
+        }
+
+a = 1;
+return 0;
+}
+//-----------------------------------------------------------------------------
+void StopStgTimer()
+{
+nonstop = 0;
+pthread_join(thrStgTimer, NULL); // Cleanup thread resources
+printfd(__FILE__, "STG_TIMER stopped\n");
+}
+//-----------------------------------------------------------------------------
+bool IsStgTimerRunning()
+{
+return isTimerRunning;
+}
+//-----------------------------------------------------------------------------
+int stgUsleep(unsigned long t)
+{
+#ifdef STG_TIMER_DEBUG
+struct timespec ts = {static_cast<time_t>((t / TIME_SPEED) / 1000000), static_cast<long>(((t / TIME_SPEED) % 1000000) * 1000)};
+return nanosleep(&ts, NULL);
+#else
+struct timespec ts = {static_cast<time_t>(t / 1000000), static_cast<long>((t % 1000000) * 1000)};
+return nanosleep(&ts, NULL);
+#endif
+}
+//-----------------------------------------------------------------------------
+void WaitTimer()
+{
+    for (int i = 0; i < 5 && !isTimerRunning; i++)
+        stgUsleep(200000);
+}
+//-----------------------------------------------------------------------------