gcc/testsuite/gcc.target/sh/pr43417.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -m4" } */
   3
   4 int pid_count = 0;
   5
   6 unsigned int getopt (int, const char**, const char*);
   7 unsigned long long atoll (const char*);
   8 int fork (void);
   9 void kill (int, int);
  10
  11 int
  12 main (int argc, const char *argv[])
  13 {
  14   unsigned int c;
  15   unsigned long long maxbytes = 0;
  16   extern const char *optarg;
  17   int i;
  18   int pid_cntr;
  19   int pid;
  20   int pid_list[1000];
  21   while ((c = getopt (argc, argv, "c:b:p:wvh")) != (-1))
  22     {
  23       switch ((char) c)
  24         {
  25         case 'b':
  26           maxbytes = atoll (optarg);
  27         }
  28     }
  29   pid = fork ();
  30   while ((pid != 0) && (maxbytes > 1024 * 1024 * 1024))
  31     {
  32       maxbytes = maxbytes - (1024 * 1024 * 1024);
  33       pid = fork ();
  34       if (pid != 0)
  35         pid_cntr++;
  36       pid_list[i] = pid;
  37     }
  38   while ((pid_count < pid_cntr))
  39     {
  40     }
  41   kill (pid_list[i], 9);
  42 }
  43