hello/hello.c

   1 #include <stdio.h>
   2 #include <unistd.h>
   3 #include <sys/mman.h>
   4 #include <stdarg.h>
   5 #include <sys/types.h>
   6 #include <sys/stat.h>
   7 #include <fcntl.h>
   8
   9 #include "marker.h"
  10 #include "usterr.h"
  11 #include "tracer.h"
  12 #include "marker-control.h"
  13 #include "relay.h"
  14 #include "tp.h"
  15
  16
  17 void inthandler(int sig)
  18 {
  19         printf("in handler\n");
  20         exit(0);
  21 }
  22
  23 int init_int_handler(void)
  24 {
  25         int result;
  26         struct sigaction act;
  27
  28         result = sigemptyset(&act.sa_mask);
  29         if(result == -1) {
  30                 PERROR("sigemptyset");
  31                 return -1;
  32         }
  33
  34         act.sa_handler = inthandler;
  35         act.sa_flags = SA_RESTART;
  36
  37         /* Only defer ourselves. Also, try to restart interrupted
  38          * syscalls to disturb the traced program as little as possible.
  39          */
  40         result = sigaction(SIGINT, &act, NULL);
  41         if(result == -1) {
  42                 PERROR("sigaction");
  43                 return -1;
  44         }
  45
  46         return 0;
  47 }
  48
  49 int main()
  50 {
  51         int result;
  52         int i;
  53
  54         init_int_handler();
  55
  56         printf("Hello, World!\n");
  57
  58         sleep(1);
  59         for(i=0; i<50; i++) {
  60                 trace_mark(ust, bar, "str %s", "FOOBAZ");
  61                 trace_mark(ust, bar2, "number1 %d number2 %d", 53, 9800);
  62                 trace_hello_tptest(i);
  63                 usleep(100000);
  64         }
  65
  66         scanf("%*s");
  67
  68         ltt_trace_stop("auto");
  69         ltt_trace_destroy("auto");
  70
  71         DBG("TRACE STOPPED");
  72         scanf("%*s");
  73
  74         return 0;
  75 }
  76
  77 MARKER_LIB;
  78 TRACEPOINT_LIB;