lldb/test/API/commands/expression/call-restarts/lotta-signals.c

   1 #include <unistd.h>
   2 #include <stdio.h>
   3 #include <signal.h>
   4
   5 static int sigchld_no;
   6 static int nosig_no;
   7 static int weird_value;
   8
   9 void
  10 sigchld_handler (int signo)
  11 {
  12   sigchld_no++;
  13   printf ("Got sigchld %d.\n", sigchld_no);
  14 }
  15
  16 int
  17 call_me (int some_value)
  18 {
  19   int ret_val = 0;
  20   int i;
  21   for (i = 0; i < some_value; i++)
  22     {
  23       int result = 0;
  24       if (i%2 == 0)
  25           result = kill (getpid(), SIGCHLD);
  26       else
  27         sigchld_no++;
  28
  29       usleep(1000);
  30       if (result == 0)
  31         ret_val++;
  32     }
  33   usleep (10000);
  34   return ret_val;
  35 }
  36
  37 int
  38 call_me_nosig (int some_value)
  39 {
  40   int ret_val = 0;
  41   int i;
  42   for (i = 0; i < some_value; i++)
  43     weird_value += i % 4;
  44
  45   nosig_no += some_value;
  46   return some_value;
  47 }
  48
  49 int
  50 main ()
  51 {
  52   int ret_val;
  53   signal (SIGCHLD, sigchld_handler);
  54
  55   ret_val = call_me (2);  // Stop here in main.
  56
  57   ret_val = call_me_nosig (10);
  58
  59   return 0;
  60
  61 }