apps/testapp/sigtests.cpp

   1 /*
   2 ** Copyright 2004, Travis Geiselbrecht. All rights reserved.
   3 ** Distributed under the terms of the NewOS License.
   4 */
   5 #include <string.h>
   6 #include <stdio.h>
   7 #include <unistd.h>
   8 #include <sys/syscalls.h>
   9
  10 static void alarm_handler(int sig, void *arg)
  11 {
  12         char temp[128];
  13         sprintf(temp, "alarm %d %d\n", sig, arg);
  14         write(0, temp, strlen(temp));
  15 }
  16
  17 static void term_handler(int sig, void *arg)
  18 {
  19         char temp[128];
  20         sprintf(temp, "TERM %d %d\n", sig, arg);
  21         write(0, temp, strlen(temp));
  22 }
  23
  24 static void chld_handler(int sig, void *arg)
  25 {
  26         char temp[128];
  27         sprintf(temp,"SIGCHLD %d\n", sig);
  28         write(0, temp, strlen(temp));
  29 }
  30
  31 static void winch_handler(int sig, void *arg)
  32 {
  33         char temp[128];
  34         sprintf(temp, "SIGWINCH %d\n", sig);
  35         write(0, temp, strlen(temp));
  36 }
  37
  38 int sig_test(int arg)
  39 {
  40         struct sigaction sig;
  41         int err;
  42
  43         sig.sa_handler = (sig_func_t)&alarm_handler;
  44         sig.sa_mask = 0;
  45         sig.sa_flags = 0;
  46         sig.sa_userdata = (void *)1170;
  47
  48         err = _kern_sigaction(SIGALRM, &sig, NULL);
  49         printf("sigaction returns %d\n", err);
  50
  51         sig.sa_handler = (sig_func_t)&term_handler;
  52         sig.sa_mask = 0;
  53         sig.sa_flags = 0;
  54         sig.sa_userdata = (void *)1170;
  55
  56         err = _kern_sigaction(SIGTERM, &sig, NULL);
  57         printf("sigaction returns %d\n", err);
  58
  59         sig.sa_handler = (sig_func_t)&chld_handler;
  60         sig.sa_mask = 0;
  61         sig.sa_flags = 0;
  62         sig.sa_userdata = (void *)1170;
  63
  64         err = _kern_sigaction(SIGCHLD, &sig, NULL);
  65         printf("sigaction returns %d\n", err);
  66
  67         sig.sa_handler = (sig_func_t)&winch_handler;
  68         sig.sa_mask = 0;
  69         sig.sa_flags = 0;
  70         sig.sa_userdata = (void *)1170;
  71
  72         err = _kern_sigaction(SIGWINCH, &sig, NULL);
  73         printf("sigaction returns %d\n", err);
  74
  75         _kern_set_alarm(1000000, TIMER_MODE_PERIODIC);
  76
  77         for(;;) {
  78                 err = _kern_snooze(10000000);
  79                 printf("_kern_snooze returns %d\n", err);
  80                 _kern_proc_create_proc("/boot/bin/false", "false", NULL, 0, 5, 0);
  81         }
  82         return 0;
  83 }
  84
  85