lib/system.h

   1 /*
   2  * Copyright (C) 2010-2012 Free Software Foundation, Inc.
   3  *
   4  * Author: Nikos Mavrogiannopoulos
   5  *
   6  * This file is part of GnuTLS.
   7  *
   8  * The GnuTLS is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public License
  10  * as published by the Free Software Foundation; either version 3 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public License
  19  * along with this program.  If not, see <http://www.gnu.org/licenses/>
  20  *
  21  */
  22
  23 #ifndef SYSTEM_H
  24 #define SYSTEM_H
  25
  26 #include <gnutls_int.h>
  27
  28 #ifndef _WIN32
  29 # include <sys/uio.h>            /* for writev */
  30 #else
  31 # include <windows.h>            /* for Sleep */
  32 #endif
  33
  34 int system_errno (gnutls_transport_ptr_t);
  35 int system_recv_timeout(gnutls_transport_ptr_t ptr, unsigned int ms);
  36
  37 #ifdef _WIN32
  38 ssize_t system_write (gnutls_transport_ptr_t ptr, const void *data,
  39                       size_t data_size);
  40 #else
  41 #define HAVE_WRITEV
  42 ssize_t system_writev (gnutls_transport_ptr_t ptr, const giovec_t * iovec,
  43                        int iovec_cnt);
  44 #endif
  45 ssize_t system_read (gnutls_transport_ptr_t ptr, void *data, size_t data_size);
  46
  47 #ifdef _WIN32
  48 #define HAVE_WIN32_LOCKS
  49 #else
  50 #ifdef HAVE_LIBPTHREAD
  51 #define HAVE_PTHREAD_LOCKS
  52 #else
  53 #define HAVE_NO_LOCKS
  54 #endif
  55 #endif
  56
  57 extern gnutls_time_func gnutls_time;
  58
  59 static inline void millisleep(unsigned int ms)
  60 {
  61 #ifdef _WIN32
  62   Sleep(ms);
  63 #else
  64 struct timespec ts;
  65   ts.tv_sec = 0;
  66   ts.tv_nsec = ms*1000*1000;
  67
  68   nanosleep(&ts, NULL);
  69 #endif
  70 }
  71
  72 int _gnutls_find_config_path(char* path, size_t max_size);
  73 int _gnutls_ucs2_to_utf8(const void* data, size_t size, gnutls_datum_t *output);
  74
  75 int gnutls_system_global_init (void);
  76 void gnutls_system_global_deinit (void);
  77
  78 #endif /* SYSTEM_H */