BSD 4_4_Lite1 development

[unix-history] / usr / src / contrib / mprof / test2.c

#include        <stdio.h>

extern long random();

int
random_flip()
{
   int         r = random();
   
   return (r >> 10) & 0x1;
}


enum color { BLUE, RED};


typedef struct {
   enum color c;
   int data[50];
} widgit;


widgit
*make_widgit()
{
   widgit      *w;

   w = (widgit *) malloc(sizeof(widgit));
   return w;
}

widgit
*make_blue_widgit()
{
   widgit      *w;
   
   w = make_widgit();
   w->c = BLUE;
   return w;
}

widgit
*make_red_widgit()
{
   widgit      *w;
   
   w = make_widgit();
   w->c = RED;
   return w;
}

void
consume_widgit(w)
widgit  *w;
{
   if (w->c == BLUE) {
       /* record blue widgit */
       free(w);
   } else {
       /* record red widgit */
   }
}


#define NUM_WIDGITS     10000

int
main()
{
   int         i;
   widgit      *wqueue[NUM_WIDGITS];
/*
   extern int keeping_leaks;
   keeping_leaks = 0;
*/
   for (i = 0; i < NUM_WIDGITS; i++)
     if (random_flip())
       wqueue[i] = make_blue_widgit();
     else
       wqueue[i] = make_red_widgit();
   
   for (i = 0; i < NUM_WIDGITS; i++)
     consume_widgit(wqueue[i]);

   return 0;
}