none/tests/pth_self_kill.c

   1 #include <signal.h>
   2 #include <unistd.h>
   3 #include <pthread.h>
   4 #include <stdlib.h>
   5 #include <stdio.h>
   6
   7 /* This reproduces bugs 409141 and 409367.
   8    valgrind ./pth_self_kill 9    was hanging.
   9
  10    valgrind ./pth_self_kill 15 killotherthread  was looping.
  11 */
  12
  13 pthread_t parent_thr;
  14
  15 void *t(void *p)
  16 {
  17    sleep (200);
  18    printf ("error: supposed to die without printing this\n");
  19    exit (5);
  20    return NULL;
  21 }
  22
  23 void handler_15(int signum)
  24 {
  25    pthread_join(parent_thr, NULL);
  26    exit(2);
  27 }
  28
  29 int main(int argc, char **argv)
  30 {
  31    pthread_t thr;
  32
  33    parent_thr = pthread_self();
  34
  35    struct sigaction sa_old;
  36    struct sigaction sa_new;
  37
  38    sigaction(15, NULL, &sa_old);
  39    sa_new.sa_mask = sa_old.sa_mask;
  40    sa_new.sa_flags = sa_old.sa_flags;
  41    sa_new.sa_handler = &handler_15;
  42    sigaction(15, &sa_new, NULL);
  43
  44
  45    if (argc <= 1)
  46    {
  47       printf
  48          ("usage: pth_self_kill SIGNALNR [killotherthread] [sleepafterkill]\n");
  49       exit (1);
  50    }
  51
  52    int s = atoi(argv[1]);
  53
  54    pthread_create(&thr, NULL, t, NULL);
  55    sleep (1);
  56    if (argc > 2)
  57    {
  58       pthread_kill(thr, s);
  59       if (argc > 3)
  60          sleep (2);
  61    }
  62    else
  63       raise(s);
  64    sigaction(15, &sa_old, NULL);
  65 }