Back to index

glibc  2.9
Defines | Functions
tst-thrlock.c File Reference
#include <dlfcn.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gnu/lib-names.h>
#include "../test-skeleton.c"

Go to the source code of this file.

Defines

#define N   10
#define TEST_FUNCTION   do_test ()

Functions

static void * tf (void *arg)
static int do_test (void)

Define Documentation

#define N   10
#define TEST_FUNCTION   do_test ()

Definition at line 58 of file tst-thrlock.c.


Function Documentation

static int do_test ( void  ) [static]

Definition at line 32 of file tst-thrlock.c.

{
#define N 10
  pthread_t th[N];
  for (int i = 0; i < N; ++i)
    {
      int e = pthread_create (&th[i], NULL, tf, NULL);
      if (e != 0)
       {
         printf ("pthread_create failed with %d (%s)\n", e, strerror (e));
         return 1;
       }
    }
  for (int i = 0; i < N; ++i)
    {
      void *res;
      int e = pthread_join (th[i], &res);
      if (e != 0 || res != NULL)
       {
         puts ("thread failed");
         return 1;
       }
    }
  return 0;
}

Here is the call graph for this function:

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

Definition at line 9 of file tst-thrlock.c.

{
  void *h = dlopen (LIBM_SO, RTLD_LAZY);
  if (h == NULL)
    {
      printf ("dlopen failed: %s\n", dlerror ());
      exit (1);
    }
  if (dlsym (h, "sin") == NULL)
    {
      printf ("dlsym failed: %s\n", dlerror ());
      exit (1);
    }
  if (dlclose (h) != 0)
    {
      printf ("dlclose failed: %s\n", dlerror ());
      exit (1);
    }
  return NULL;
}

Here is the call graph for this function: