schedtest.c

来自「geekos 0.3.0简单的操作系统」· C语言 代码 · 共 51 行

#include <conio.h>
#include <process.h>
#include <sched.h>
#include <sema.h>
#include <string.h>

#if !defined (NULL)
#define NULL 0
#endif

int main(int argc , char ** argv)
{
  int policy = -1;
  int quantum;

  int id1, id2, id3;    	/* ID of child process */

  if (argc == 3) {
    if (!strcmp(argv[1], "rr")) {
      policy = 0;
    } else if (!strcmp(argv[1], "mlf")) {
      policy = 1;
    } else {
      Print("usage: %s [rr|mlf] <quantum>\n", argv[0]);
      Exit(1);
    }
    quantum = atoi(argv[2]);
    Set_Scheduling_Policy(policy, quantum);
  } else {
    Print("usage: %s [rr|mlf] <quantum>\n", argv[0]);
    Exit(1);
  }

  quantum = atoi(argv[2]);
  Set_Scheduling_Policy(policy, quantum);


  id3 = Spawn_Program ( "/c/sched3.exe", "/c/sched3.exe") ;
  id1 = Spawn_Program ( "/c/sched1.exe", "/c/sched1.exe") ;
  id2 = Spawn_Program ( "/c/sched2.exe", "/c/sched2.exe") ;

  
  Wait(id1);
  Wait(id2);
  Wait(id3);

  Print("\n");

  return 0;
}