More jthreads.

[stg.git] / projects / stargazer / stg_timer.cpp

diff --git a/projects/stargazer/stg_timer.cpp b/projects/stargazer/stg_timer.cpp
index d39c61db0a15a9d45be125b54bc22e36086f1425..7a460ddfc89e68b710d9909d451c3c3d046c02ce 100644 (file)
--- a/projects/stargazer/stg_timer.cpp
+++ b/projects/stargazer/stg_timer.cpp
@@ -2,16 +2,26 @@
 
 #include "stg/common.h"
 
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wshadow"
+#include <jthread.hpp>
+#pragma GCC diagnostic pop
+
 #include <ctime>
 #include <cstring>
 #include <csignal>
 
 #include <pthread.h>
 
+namespace
+{
+
+std::jthread thread;
+
+}
+
 void * StgTimer(void *);
 
-static int nonstop;
-static pthread_t thrStgTimer;
 static bool isTimerRunning = false;
 volatile time_t stgTime;
 
@@ -24,7 +34,7 @@ const int TIME_SPEED = 1;
  10 - 10x speed
  */
 
-const int START_TIME = 0;
+const int START_TIME = 2;
 /*
  0 - as is
  1 - start before new day (3 min before)   29.11.2005 23:57:00
@@ -33,17 +43,18 @@ const int START_TIME = 0;
 #endif
 
 //-----------------------------------------------------------------------------
-void * StgTimer(void *)
+void timer(std::stop_token token)
 {
 #ifdef STG_TIMER_DEBUG
 struct tm lt;
 memset(&lt, 0, sizeof(lt));
 
-lt.tm_year = 2007 - 1900; // 2005
-lt.tm_mon  = 11 - 1;      // Nov
+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)
     {
@@ -57,7 +68,7 @@ switch (START_TIME)
         break;
 
     case 2:
-        lt.tm_mday = 30;
+        lt.tm_mday = 31;
         stgTime = mktime(&lt);
         break;
     }
@@ -69,12 +80,21 @@ sigset_t signalSet;
 sigfillset(&signalSet);
 pthread_sigmask(SIG_BLOCK, &signalSet, NULL);
 
-nonstop = 1;
 isTimerRunning = true;
-while (nonstop)
+while (!token.stop_requested())
     {
     #ifdef STG_TIMER_DEBUG
-    struct timespec ts = {0, 1000000000 / TIME_SPEED};
+    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
@@ -84,30 +104,22 @@ while (nonstop)
     #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;
-        }
+if (!thread.joinable())
+    thread = std::jthread(timer);
 
-a = 1;
 return 0;
 }
 //-----------------------------------------------------------------------------
 void StopStgTimer()
 {
-nonstop = 0;
-pthread_join(thrStgTimer, NULL); // Cleanup thread resources
+thread.request_stop();
+thread.join();
 printfd(__FILE__, "STG_TIMER stopped\n");
 }
 //-----------------------------------------------------------------------------