include/glib-compat.h

   1 /*
   2  * GLIB Compatibility Functions
   3  *
   4  * Copyright IBM, Corp. 2013
   5  *
   6  * Authors:
   7  *  Anthony Liguori   <aliguori@us.ibm.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  *
  12  */
  13
  14 #ifndef QEMU_GLIB_COMPAT_H
  15 #define QEMU_GLIB_COMPAT_H
  16
  17 #include <glib.h>
  18
  19 #if !GLIB_CHECK_VERSION(2, 14, 0)
  20 static inline guint g_timeout_add_seconds(guint interval, GSourceFunc function,
  21                                           gpointer data)
  22 {
  23     return g_timeout_add(interval * 1000, function, data);
  24 }
  25 #endif
  26
  27 #ifdef _WIN32
  28 /*
  29  * g_poll has a problem on Windows when using
  30  * timeouts < 10ms, so use wrapper.
  31  */
  32 #define g_poll(fds, nfds, timeout) g_poll_fixed(fds, nfds, timeout)
  33 gint g_poll_fixed(GPollFD *fds, guint nfds, gint timeout);
  34 #elif !GLIB_CHECK_VERSION(2, 20, 0)
  35 /*
  36  * Glib before 2.20.0 doesn't implement g_poll, so wrap it to compile properly
  37  * on older systems.
  38  */
  39 static inline gint g_poll(GPollFD *fds, guint nfds, gint timeout)
  40 {
  41     GMainContext *ctx = g_main_context_default();
  42     return g_main_context_get_poll_func(ctx)(fds, nfds, timeout);
  43 }
  44 #endif
  45
  46 #endif