sys/arch/pmax/test/t07.c

   1 int foo;
   2 int foo1;
   3
   4 main(argc, argv)
   5         char **argv;
   6 {
   7         int i, j;
   8
   9         for (i = 0; i < 10; i++) {
  10                 printf("main: bla %d pid %d\n", j = bla(), getpid());
  11                 if (j == 1)
  12                         exit(0);
  13         }
  14 }
  15
  16 bla()
  17 {
  18         int i;
  19
  20         foo = 0;
  21         switch(fork()) {
  22         case 0: /* child */
  23                 foo = 30;
  24                 for (i = 0; i < 10; i++) {
  25                         printf("child %d, foo %d\n", i, foo);
  26                         bar(foo);
  27                         foo++;
  28                 }
  29                 return(1);
  30
  31         case -1:
  32                 perror("fork");
  33                 return(2);
  34
  35         default:
  36                 for (i = 0; i < 10; i++) {
  37                         printf("parent %d foo %d\n", i, foo);
  38                         bar(foo);
  39                         foo++;
  40                 }
  41                 return(0);
  42         }
  43 }
  44
  45 bar(a)
  46 {
  47         printf("bar(%d) pid %d\n", a, getpid());
  48 }