stuff

05-JurrasicPark/main.c

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+// os345p3.c - Jurassic Park 07/27/2020
+// ***********************************************************************
+// **   DISCLAMER ** DISCLAMER ** DISCLAMER ** DISCLAMER ** DISCLAMER   **
+// **                                                                   **
+// ** The code given here is the basis for the CS345 projects.          **
+// ** It comes "as is" and "unwarranted."  As such, when you use part   **
+// ** or all of the code, it becomes "yours" and you are responsible to **
+// ** understand any algorithm or method presented.  Likewise, any      **
+// ** errors or problems become your responsibility to fix.             **
+// **                                                                   **
+// ** NOTES:                                                            **
+// ** -Comments beginning with "// ??" may require some implementation. **
+// ** -Tab stops are set at every 3 spaces.                             **
+// ** -The function API's in "OS345.h" should not be altered.           **
+// **                                                                   **
+// **   DISCLAMER ** DISCLAMER ** DISCLAMER ** DISCLAMER ** DISCLAMER   **
+// ***********************************************************************
+#include <ctype.h>
+#include <pthread.h>
+#include <semaphore.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "park.h"
+
+// Jurassic Park
+extern int begin;
+extern JPARK myPark;
+extern pthread_mutex_t parkMutex;            // mutex park variable access
+extern pthread_mutex_t fillSeat[NUM_CARS];   // (signal) seat ready to fill
+extern pthread_mutex_t seatFilled[NUM_CARS]; // (wait) passenger seated
+extern pthread_mutex_t rideOver[NUM_CARS];   // (signal) ride over
+
+void *carTask(void *args);
+void *driverTask(void *args);
+void *visitorTask(void *args);
+
+int main(int argc, char *argv[])
+{
+    begin = 0;
+    // start park
+    pthread_t parkTask;
+    pthread_create(&parkTask, NULL, jurassicTask, NULL);
+
+    // wait for park to get initialized...
+    while (!begin)
+    {
+    }
+    printf("\n\nWelcome to Jurassic Park\n\n");
+
+    //?? create car, driver, and visitor tasks here
+
+    pthread_join(parkTask, NULL);
+    return 0;
+}