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Remove support for custom thread implementations

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This commit is contained in:
Ryan Lortie 2011-08-31 16:10:55 -04:00
parent cef0acb945
commit 7d885253fa
1 changed files with 9 additions and 53 deletions
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62
gthread/gthread-impl.c
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@ -36,7 +36,6 @@
#include "glib.h"
#include "gthreadprivate.h"
static gboolean thread_system_already_initialized = FALSE;
static gint g_thread_priority_map [G_THREAD_PRIORITY_URGENT + 1];
#include G_THREAD_SOURCE
@ -60,66 +59,23 @@ static gint g_thread_priority_map [G_THREAD_PRIORITY_URGENT + 1];
#endif /* PRIORITY_HIGH_VALUE */
void
g_thread_init (GThreadFunctions* init)
g_thread_init (GThreadFunctions *init)
{
gboolean supported;
static gboolean already_done;
if (thread_system_already_initialized)
{
if (init != NULL)
g_warning ("GThread system already initialized, ignoring custom thread implementation.");
if (init != NULL)
g_warning ("GThread system no longer supports custom thread implementations.");
return;
}
if (already_done)
return;
thread_system_already_initialized = TRUE;
already_done = TRUE;
if (init == NULL)
{
#ifdef HAVE_G_THREAD_IMPL_INIT
/* now do any initialization stuff required by the
* implementation, but only if called with a NULL argument, of
* course. Otherwise it's up to the user to do so. */
g_thread_impl_init();
g_thread_impl_init();
#endif /* HAVE_G_THREAD_IMPL_INIT */
init = &g_thread_functions_for_glib_use_default;
}
else
g_thread_use_default_impl = FALSE;
g_thread_functions_for_glib_use = *init;
supported = (init->mutex_new &&
init->mutex_lock &&
init->mutex_trylock &&
init->mutex_unlock &&
init->mutex_free &&
init->cond_new &&
init->cond_signal &&
init->cond_broadcast &&
init->cond_wait &&
init->cond_timed_wait &&
init->cond_free &&
init->private_new &&
init->private_get &&
init->private_set &&
init->thread_create &&
init->thread_yield &&
init->thread_join &&
init->thread_exit &&
init->thread_set_priority &&
init->thread_self);
/* if somebody is calling g_thread_init (), it means that he wants to
* have thread support, so check this
*/
if (!supported)
{
if (g_thread_use_default_impl)
g_error ("Threads are not supported on this platform.");
else
g_error ("The supplied thread function vector is invalid.");
}
g_thread_functions_for_glib_use = g_thread_functions_for_glib_use_default;
g_thread_priority_map [G_THREAD_PRIORITY_LOW] = PRIORITY_LOW_VALUE;
g_thread_priority_map [G_THREAD_PRIORITY_NORMAL] = PRIORITY_NORMAL_VALUE;