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glibc  2.9
Defines | Functions
tst-cancel8.c File Reference
#include <errno.h>
#include <error.h>
#include <fcntl.h>
#include <pthread.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/select.h>
#include <sys/time.h>
#include <unistd.h>
#include "../test-skeleton.c"

Go to the source code of this file.

Defines

#define X1(n)   long r##n = 10##n; __asm __volatile ("" : "+r" (r##n));
#define X2(n)   X1(n##0) X1(n##1) X1(n##2) X1(n##3) X1(n##4)
#define X3(n)   X2(n##0) X2(n##1) X2(n##2) X2(n##3) X2(n##4)
#define X1(n)   __asm __volatile ("" : : "r" (r##n));
#define TIMEOUT   20
#define TEST_FUNCTION   do_test ()

Functions

static void * tf (void *arg)
static void handler (int sig)
static void __attribute__ ((noinline))
static int do_test (void)

Define Documentation

#define TEST_FUNCTION   do_test ()

Definition at line 286 of file tst-cancel8.c.

#define TIMEOUT   20

Definition at line 285 of file tst-cancel8.c.

#define X1 (   n)    long r##n = 10##n; __asm __volatile ("" : "+r" (r##n));
#define X1 (   n)    __asm __volatile ("" : : "r" (r##n));
#define X2 (   n)    X1(n##0) X1(n##1) X1(n##2) X1(n##3) X1(n##4)
#define X3 (   n)    X2(n##0) X2(n##1) X2(n##2) X2(n##3) X2(n##4)

Function Documentation

static void __attribute__ ( (noinline)  ) [static]

Definition at line 43 of file tst-cancel8.c.

{
#define X1(n) long r##n = 10##n; __asm __volatile ("" : "+r" (r##n));
#define X2(n) X1(n##0) X1(n##1) X1(n##2) X1(n##3) X1(n##4)
#define X3(n) X2(n##0) X2(n##1) X2(n##2) X2(n##3) X2(n##4)
  X3(0) X3(1) X3(2) X3(3) X3(4)
#undef X1
#define X1(n) __asm __volatile ("" : : "r" (r##n));
  X3(0) X3(1) X3(2) X3(3) X3(4)
#undef X1
#undef X2
#undef X3
}
static int do_test ( void  ) [static]

Definition at line 59 of file tst-cancel8.c.

{
  pthread_t th;
  int old, rc;
  int ret = 0;
  int fd[2];

  rc = pipe (fd);
  if (rc < 0)
    error (EXIT_FAILURE, errno, "couldn't create pipe");

  rc = pthread_create (&th, NULL, tf, NULL);
  if (rc)
    error (EXIT_FAILURE, rc, "couldn't create thread");

  rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old);
  if (rc)
    {
      error (0, rc, "1st pthread_setcanceltype failed");
      ret = 1;
    }
  if (old != PTHREAD_CANCEL_DEFERRED && old != PTHREAD_CANCEL_ASYNCHRONOUS)
    {
      error (0, 0, "1st pthread_setcanceltype returned invalid value %d",
            old);
      ret = 1;
    }

  clobber_lots_of_regs ();
  close (fd[0]);

  rc = pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old);
  if (rc)
    {
      error (0, rc, "pthread_setcanceltype after close failed");
      ret = 1;
    }
  if (old != PTHREAD_CANCEL_DEFERRED)
    {
      error (0, 0, "pthread_setcanceltype after close returned invalid value %d",
            old);
      ret = 1;
    }

  clobber_lots_of_regs ();
  close (fd[1]);

  rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old);
  if (rc)
    {
      error (0, rc, "pthread_setcanceltype after 2nd close failed");
      ret = 1;
    }
  if (old != PTHREAD_CANCEL_ASYNCHRONOUS)
    {
      error (0, 0, "pthread_setcanceltype after 2nd close returned invalid value %d",
            old);
      ret = 1;
    }

  struct sigaction sa = { .sa_handler = handler, .sa_flags = 0 };
  sigemptyset (&sa.sa_mask);
  sigaction (SIGALRM, &sa, NULL);

  struct itimerval it;
  it.it_value.tv_sec = 1;
  it.it_value.tv_usec = 0;
  it.it_interval = it.it_value;
  setitimer (ITIMER_REAL, &it, NULL);

  clobber_lots_of_regs ();
  pause ();

  memset (&it, 0, sizeof (it));
  setitimer (ITIMER_REAL, &it, NULL);

  rc = pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old);
  if (rc)
    {
      error (0, rc, "pthread_setcanceltype after pause failed");
      ret = 1;
    }
  if (old != PTHREAD_CANCEL_DEFERRED)
    {
      error (0, 0, "pthread_setcanceltype after pause returned invalid value %d",
            old);
      ret = 1;
    }

  it.it_value.tv_sec = 1;
  it.it_value.tv_usec = 0;
  it.it_interval = it.it_value;
  setitimer (ITIMER_REAL, &it, NULL);

  clobber_lots_of_regs ();
  pause ();

  memset (&it, 0, sizeof (it));
  setitimer (ITIMER_REAL, &it, NULL);

  rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old);
  if (rc)
    {
      error (0, rc, "pthread_setcanceltype after 2nd pause failed");
      ret = 1;
    }
  if (old != PTHREAD_CANCEL_ASYNCHRONOUS)
    {
      error (0, 0, "pthread_setcanceltype after 2nd pause returned invalid value %d",
            old);
      ret = 1;
    }

  char fname[] = "/tmp/tst-lt-cancel8-dir-XXXXXX\0foo/bar";
  char *enddir = strchr (fname, '\0');
  if (mkdtemp (fname) == NULL)
    {
      error (0, errno, "mkdtemp failed");
      ret = 1;
    }
  *enddir = '/';

  clobber_lots_of_regs ();
  creat (fname, 0400);

  rc = pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old);
  if (rc)
    {
      error (0, rc, "pthread_setcanceltype after creat failed");
      ret = 1;
    }
  if (old != PTHREAD_CANCEL_DEFERRED)
    {
      error (0, 0, "pthread_setcanceltype after creat returned invalid value %d",
            old);
      ret = 1;
    }

  clobber_lots_of_regs ();
  creat (fname, 0400);

  rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old);
  if (rc)
    {
      error (0, rc, "pthread_setcanceltype after 2nd creat failed");
      ret = 1;
    }
  if (old != PTHREAD_CANCEL_ASYNCHRONOUS)
    {
      error (0, 0, "pthread_setcanceltype after 2nd creat returned invalid value %d",
            old);
      ret = 1;
    }

  clobber_lots_of_regs ();
  open (fname, O_CREAT, 0400);

  rc = pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old);
  if (rc)
    {
      error (0, rc, "pthread_setcanceltype after open failed");
      ret = 1;
    }
  if (old != PTHREAD_CANCEL_DEFERRED)
    {
      error (0, 0, "pthread_setcanceltype after open returned invalid value %d",
            old);
      ret = 1;
    }

  clobber_lots_of_regs ();
  open (fname, O_CREAT, 0400);

  rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old);
  if (rc)
    {
      error (0, rc, "pthread_setcanceltype after 2nd open failed");
      ret = 1;
    }
  if (old != PTHREAD_CANCEL_ASYNCHRONOUS)
    {
      error (0, 0, "pthread_setcanceltype after 2nd open returned invalid value %d",
            old);
      ret = 1;
    }

  *enddir = '\0';
  rmdir (fname);

  clobber_lots_of_regs ();
  select (-1, NULL, NULL, NULL, NULL);

  rc = pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old);
  if (rc)
    {
      error (0, rc, "pthread_setcanceltype after select failed");
      ret = 1;
    }
  if (old != PTHREAD_CANCEL_DEFERRED)
    {
      error (0, 0, "pthread_setcanceltype after select returned invalid value %d",
            old);
      ret = 1;
    }

  clobber_lots_of_regs ();
  select (-1, NULL, NULL, NULL, NULL);

  rc = pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &old);
  if (rc)
    {
      error (0, rc, "pthread_setcanceltype after 2nd select failed");
      ret = 1;
    }
  if (old != PTHREAD_CANCEL_ASYNCHRONOUS)
    {
      error (0, 0, "pthread_setcanceltype after 2nd select returned invalid value %d",
            old);
      ret = 1;
    }

  pthread_join (th, NULL);

  return ret;
}

Here is the call graph for this function:

static void handler ( int  sig) [static]

Definition at line 39 of file tst-cancel8.c.

{
}
static void* tf ( void *  arg) [static]

Definition at line 33 of file tst-cancel8.c.

{
  return NULL;
}