diff options
Diffstat (limited to 'lib/win32/glib-2.20.4/glib/gthread.c')
| -rw-r--r-- | lib/win32/glib-2.20.4/glib/gthread.c | 993 |
1 files changed, 0 insertions, 993 deletions
diff --git a/lib/win32/glib-2.20.4/glib/gthread.c b/lib/win32/glib-2.20.4/glib/gthread.c deleted file mode 100644 index 0903c7e250..0000000000 --- a/lib/win32/glib-2.20.4/glib/gthread.c +++ /dev/null @@ -1,993 +0,0 @@ -/* GLIB - Library of useful routines for C programming - * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald - * - * gthread.c: MT safety related functions - * Copyright 1998 Sebastian Wilhelmi; University of Karlsruhe - * Owen Taylor - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -/* - * Modified by the GLib Team and others 1997-2000. See the AUTHORS - * file for a list of people on the GLib Team. See the ChangeLog - * files for a list of changes. These files are distributed with - * GLib at ftp://ftp.gtk.org/pub/gtk/. - */ - -/* - * MT safe - */ - -/* implement gthread.h's inline functions */ -#define G_IMPLEMENT_INLINES 1 -#define __G_THREAD_C__ - -#include "config.h" - -#include "glib.h" -#include "gthreadprivate.h" - -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif - -#ifndef G_OS_WIN32 -#include <sys/time.h> -#include <time.h> -#else -#include <windows.h> -#endif /* G_OS_WIN32 */ - -#include <string.h> - -#include "galias.h" - -GQuark -g_thread_error_quark (void) -{ - return g_quark_from_static_string ("g_thread_error"); -} - -/* Keep this in sync with GRealThread in gmain.c! */ -typedef struct _GRealThread GRealThread; -struct _GRealThread -{ - GThread thread; - gpointer private_data; - GRealThread *next; - gpointer retval; - GSystemThread system_thread; -}; - -typedef struct _GStaticPrivateNode GStaticPrivateNode; -struct _GStaticPrivateNode -{ - gpointer data; - GDestroyNotify destroy; -}; - -static void g_thread_cleanup (gpointer data); -static void g_thread_fail (void); -static guint64 gettime (void); - -guint64 (*g_thread_gettime) (void) = gettime; - -/* Global variables */ - -static GSystemThread zero_thread; /* This is initialized to all zero */ -gboolean g_thread_use_default_impl = TRUE; -gboolean g_threads_got_initialized = FALSE; - -GThreadFunctions g_thread_functions_for_glib_use = { - (GMutex*(*)())g_thread_fail, /* mutex_new */ - NULL, /* mutex_lock */ - NULL, /* mutex_trylock */ - NULL, /* mutex_unlock */ - NULL, /* mutex_free */ - (GCond*(*)())g_thread_fail, /* cond_new */ - NULL, /* cond_signal */ - NULL, /* cond_broadcast */ - NULL, /* cond_wait */ - NULL, /* cond_timed_wait */ - NULL, /* cond_free */ - (GPrivate*(*)(GDestroyNotify))g_thread_fail, /* private_new */ - NULL, /* private_get */ - NULL, /* private_set */ - (void(*)(GThreadFunc, gpointer, gulong, - gboolean, gboolean, GThreadPriority, - gpointer, GError**))g_thread_fail, /* thread_create */ - NULL, /* thread_yield */ - NULL, /* thread_join */ - NULL, /* thread_exit */ - NULL, /* thread_set_priority */ - NULL, /* thread_self */ - NULL /* thread_equal */ -}; - -/* Local data */ - -static GMutex *g_once_mutex = NULL; -static GCond *g_once_cond = NULL; -static GPrivate *g_thread_specific_private = NULL; -static GRealThread *g_thread_all_threads = NULL; -static GSList *g_thread_free_indeces = NULL; -static GSList* g_once_init_list = NULL; - -G_LOCK_DEFINE_STATIC (g_thread); - -#ifdef G_THREADS_ENABLED -/* This must be called only once, before any threads are created. - * It will only be called from g_thread_init() in -lgthread. - */ -void -g_thread_init_glib (void) -{ - /* We let the main thread (the one that calls g_thread_init) inherit - * the static_private data set before calling g_thread_init - */ - GRealThread* main_thread = (GRealThread*) g_thread_self (); - - /* mutex and cond creation works without g_threads_got_initialized */ - g_once_mutex = g_mutex_new (); - g_once_cond = g_cond_new (); - - /* we may only create mutex and cond in here */ - _g_mem_thread_init_noprivate_nomessage (); - - /* setup the basic threading system */ - g_threads_got_initialized = TRUE; - g_thread_specific_private = g_private_new (g_thread_cleanup); - g_private_set (g_thread_specific_private, main_thread); - G_THREAD_UF (thread_self, (&main_thread->system_thread)); - - /* complete memory system initialization, g_private_*() works now */ - _g_slice_thread_init_nomessage (); - - /* accomplish log system initialization to enable messaging */ - _g_messages_thread_init_nomessage (); - - /* we may run full-fledged initializers from here */ - _g_atomic_thread_init (); - _g_convert_thread_init (); - _g_rand_thread_init (); - _g_main_thread_init (); - _g_utils_thread_init (); -#ifdef G_OS_WIN32 - _g_win32_thread_init (); -#endif -} -#endif /* G_THREADS_ENABLED */ - -gpointer -g_once_impl (GOnce *once, - GThreadFunc func, - gpointer arg) -{ - g_mutex_lock (g_once_mutex); - - while (once->status == G_ONCE_STATUS_PROGRESS) - g_cond_wait (g_once_cond, g_once_mutex); - - if (once->status != G_ONCE_STATUS_READY) - { - once->status = G_ONCE_STATUS_PROGRESS; - g_mutex_unlock (g_once_mutex); - - once->retval = func (arg); - - g_mutex_lock (g_once_mutex); - once->status = G_ONCE_STATUS_READY; - g_cond_broadcast (g_once_cond); - } - - g_mutex_unlock (g_once_mutex); - - return once->retval; -} - -gboolean -g_once_init_enter_impl (volatile gsize *value_location) -{ - gboolean need_init = FALSE; - g_mutex_lock (g_once_mutex); - if (g_atomic_pointer_get (value_location) == NULL) - { - if (!g_slist_find (g_once_init_list, (void*) value_location)) - { - need_init = TRUE; - g_once_init_list = g_slist_prepend (g_once_init_list, (void*) value_location); - } - else - do - g_cond_wait (g_once_cond, g_once_mutex); - while (g_slist_find (g_once_init_list, (void*) value_location)); - } - g_mutex_unlock (g_once_mutex); - return need_init; -} - -void -g_once_init_leave (volatile gsize *value_location, - gsize initialization_value) -{ - g_return_if_fail (g_atomic_pointer_get (value_location) == NULL); - g_return_if_fail (initialization_value != 0); - g_return_if_fail (g_once_init_list != NULL); - - g_atomic_pointer_set ((void**)value_location, (void*) initialization_value); - g_mutex_lock (g_once_mutex); - g_once_init_list = g_slist_remove (g_once_init_list, (void*) value_location); - g_cond_broadcast (g_once_cond); - g_mutex_unlock (g_once_mutex); -} - -void -g_static_mutex_init (GStaticMutex *mutex) -{ - static const GStaticMutex init_mutex = G_STATIC_MUTEX_INIT; - - g_return_if_fail (mutex); - - *mutex = init_mutex; -} - -GMutex * -g_static_mutex_get_mutex_impl (GMutex** mutex) -{ - if (!g_thread_supported ()) - return NULL; - - g_assert (g_once_mutex); - - g_mutex_lock (g_once_mutex); - - if (!(*mutex)) - g_atomic_pointer_set (mutex, g_mutex_new()); - - g_mutex_unlock (g_once_mutex); - - return *mutex; -} - -void -g_static_mutex_free (GStaticMutex* mutex) -{ - GMutex **runtime_mutex; - - g_return_if_fail (mutex); - - /* The runtime_mutex is the first (or only) member of GStaticMutex, - * see both versions (of glibconfig.h) in configure.in. Note, that - * this variable is NULL, if g_thread_init() hasn't been called or - * if we're using the default thread implementation and it provides - * static mutexes. */ - runtime_mutex = ((GMutex**)mutex); - - if (*runtime_mutex) - g_mutex_free (*runtime_mutex); - - *runtime_mutex = NULL; -} - -void -g_static_rec_mutex_init (GStaticRecMutex *mutex) -{ - static const GStaticRecMutex init_mutex = G_STATIC_REC_MUTEX_INIT; - - g_return_if_fail (mutex); - - *mutex = init_mutex; -} - -void -g_static_rec_mutex_lock (GStaticRecMutex* mutex) -{ - GSystemThread self; - - g_return_if_fail (mutex); - - if (!g_thread_supported ()) - return; - - G_THREAD_UF (thread_self, (&self)); - - if (g_system_thread_equal (self, mutex->owner)) - { - mutex->depth++; - return; - } - g_static_mutex_lock (&mutex->mutex); - g_system_thread_assign (mutex->owner, self); - mutex->depth = 1; -} - -gboolean -g_static_rec_mutex_trylock (GStaticRecMutex* mutex) -{ - GSystemThread self; - - g_return_val_if_fail (mutex, FALSE); - - if (!g_thread_supported ()) - return TRUE; - - G_THREAD_UF (thread_self, (&self)); - - if (g_system_thread_equal (self, mutex->owner)) - { - mutex->depth++; - return TRUE; - } - - if (!g_static_mutex_trylock (&mutex->mutex)) - return FALSE; - - g_system_thread_assign (mutex->owner, self); - mutex->depth = 1; - return TRUE; -} - -void -g_static_rec_mutex_unlock (GStaticRecMutex* mutex) -{ - g_return_if_fail (mutex); - - if (!g_thread_supported ()) - return; - - if (mutex->depth > 1) - { - mutex->depth--; - return; - } - g_system_thread_assign (mutex->owner, zero_thread); - g_static_mutex_unlock (&mutex->mutex); -} - -void -g_static_rec_mutex_lock_full (GStaticRecMutex *mutex, - guint depth) -{ - GSystemThread self; - g_return_if_fail (mutex); - - if (!g_thread_supported ()) - return; - - if (depth == 0) - return; - - G_THREAD_UF (thread_self, (&self)); - - if (g_system_thread_equal (self, mutex->owner)) - { - mutex->depth += depth; - return; - } - g_static_mutex_lock (&mutex->mutex); - g_system_thread_assign (mutex->owner, self); - mutex->depth = depth; -} - -guint -g_static_rec_mutex_unlock_full (GStaticRecMutex *mutex) -{ - guint depth; - - g_return_val_if_fail (mutex, 0); - - if (!g_thread_supported ()) - return 1; - - depth = mutex->depth; - - g_system_thread_assign (mutex->owner, zero_thread); - mutex->depth = 0; - g_static_mutex_unlock (&mutex->mutex); - - return depth; -} - -void -g_static_rec_mutex_free (GStaticRecMutex *mutex) -{ - g_return_if_fail (mutex); - - g_static_mutex_free (&mutex->mutex); -} - -void -g_static_private_init (GStaticPrivate *private_key) -{ - private_key->index = 0; -} - -gpointer -g_static_private_get (GStaticPrivate *private_key) -{ - GRealThread *self = (GRealThread*) g_thread_self (); - GArray *array; - - array = self->private_data; - if (!array) - return NULL; - - if (!private_key->index) - return NULL; - else if (private_key->index <= array->len) - return g_array_index (array, GStaticPrivateNode, - private_key->index - 1).data; - else - return NULL; -} - -void -g_static_private_set (GStaticPrivate *private_key, - gpointer data, - GDestroyNotify notify) -{ - GRealThread *self = (GRealThread*) g_thread_self (); - GArray *array; - static guint next_index = 0; - GStaticPrivateNode *node; - - array = self->private_data; - if (!array) - { - array = g_array_new (FALSE, TRUE, sizeof (GStaticPrivateNode)); - self->private_data = array; - } - - if (!private_key->index) - { - G_LOCK (g_thread); - - if (!private_key->index) - { - if (g_thread_free_indeces) - { - private_key->index = - GPOINTER_TO_UINT (g_thread_free_indeces->data); - g_thread_free_indeces = - g_slist_delete_link (g_thread_free_indeces, - g_thread_free_indeces); - } - else - private_key->index = ++next_index; - } - - G_UNLOCK (g_thread); - } - - if (private_key->index > array->len) - g_array_set_size (array, private_key->index); - - node = &g_array_index (array, GStaticPrivateNode, private_key->index - 1); - if (node->destroy) - { - gpointer ddata = node->data; - GDestroyNotify ddestroy = node->destroy; - - node->data = data; - node->destroy = notify; - - ddestroy (ddata); - } - else - { - node->data = data; - node->destroy = notify; - } -} - -void -g_static_private_free (GStaticPrivate *private_key) -{ - guint idx = private_key->index; - GRealThread *thread; - - if (!idx) - return; - - private_key->index = 0; - - G_LOCK (g_thread); - - thread = g_thread_all_threads; - while (thread) - { - GArray *array = thread->private_data; - thread = thread->next; - - if (array && idx <= array->len) - { - GStaticPrivateNode *node = &g_array_index (array, - GStaticPrivateNode, - idx - 1); - gpointer ddata = node->data; - GDestroyNotify ddestroy = node->destroy; - - node->data = NULL; - node->destroy = NULL; - - if (ddestroy) - { - G_UNLOCK (g_thread); - ddestroy (ddata); - G_LOCK (g_thread); - } - } - } - g_thread_free_indeces = g_slist_prepend (g_thread_free_indeces, - GUINT_TO_POINTER (idx)); - G_UNLOCK (g_thread); -} - -static void -g_thread_cleanup (gpointer data) -{ - if (data) - { - GRealThread* thread = data; - if (thread->private_data) - { - GArray* array = thread->private_data; - guint i; - - for (i = 0; i < array->len; i++ ) - { - GStaticPrivateNode *node = - &g_array_index (array, GStaticPrivateNode, i); - if (node->destroy) - node->destroy (node->data); - } - g_array_free (array, TRUE); - } - - /* We only free the thread structure, if it isn't joinable. If - it is, the structure is freed in g_thread_join */ - if (!thread->thread.joinable) - { - GRealThread *t, *p; - - G_LOCK (g_thread); - for (t = g_thread_all_threads, p = NULL; t; p = t, t = t->next) - { - if (t == thread) - { - if (p) - p->next = t->next; - else - g_thread_all_threads = t->next; - break; - } - } - G_UNLOCK (g_thread); - - /* Just to make sure, this isn't used any more */ - g_system_thread_assign (thread->system_thread, zero_thread); - g_free (thread); - } - } -} - -static void -g_thread_fail (void) -{ - g_error ("The thread system is not yet initialized."); -} - -#define G_NSEC_PER_SEC 1000000000 - -static guint64 -gettime (void) -{ -#ifdef G_OS_WIN32 - guint64 v; - - /* Returns 100s of nanoseconds since start of 1601 */ - GetSystemTimeAsFileTime ((FILETIME *)&v); - - /* Offset to Unix epoch */ - v -= G_GINT64_CONSTANT (116444736000000000); - /* Convert to nanoseconds */ - v *= 100; - - return v; -#else - struct timeval tv; - - gettimeofday (&tv, NULL); - - return (guint64) tv.tv_sec * G_NSEC_PER_SEC + tv.tv_usec * (G_NSEC_PER_SEC / G_USEC_PER_SEC); -#endif -} - -static gpointer -g_thread_create_proxy (gpointer data) -{ - GRealThread* thread = data; - - g_assert (data); - - /* This has to happen before G_LOCK, as that might call g_thread_self */ - g_private_set (g_thread_specific_private, data); - - /* the lock makes sure, that thread->system_thread is written, - before thread->thread.func is called. See g_thread_create. */ - G_LOCK (g_thread); - G_UNLOCK (g_thread); - - thread->retval = thread->thread.func (thread->thread.data); - - return NULL; -} - -GThread* -g_thread_create_full (GThreadFunc func, - gpointer data, - gulong stack_size, - gboolean joinable, - gboolean bound, - GThreadPriority priority, - GError **error) -{ - GRealThread* result; - GError *local_error = NULL; - g_return_val_if_fail (func, NULL); - g_return_val_if_fail (priority >= G_THREAD_PRIORITY_LOW, NULL); - g_return_val_if_fail (priority <= G_THREAD_PRIORITY_URGENT, NULL); - - result = g_new0 (GRealThread, 1); - - result->thread.joinable = joinable; - result->thread.priority = priority; - result->thread.func = func; - result->thread.data = data; - result->private_data = NULL; - G_LOCK (g_thread); - G_THREAD_UF (thread_create, (g_thread_create_proxy, result, - stack_size, joinable, bound, priority, - &result->system_thread, &local_error)); - if (!local_error) - { - result->next = g_thread_all_threads; - g_thread_all_threads = result; - } - G_UNLOCK (g_thread); - - if (local_error) - { - g_propagate_error (error, local_error); - g_free (result); - return NULL; - } - - return (GThread*) result; -} - -void -g_thread_exit (gpointer retval) -{ - GRealThread* real = (GRealThread*) g_thread_self (); - real->retval = retval; - G_THREAD_CF (thread_exit, (void)0, ()); -} - -gpointer -g_thread_join (GThread* thread) -{ - GRealThread* real = (GRealThread*) thread; - GRealThread *p, *t; - gpointer retval; - - g_return_val_if_fail (thread, NULL); - g_return_val_if_fail (thread->joinable, NULL); - g_return_val_if_fail (!g_system_thread_equal (real->system_thread, - zero_thread), NULL); - - G_THREAD_UF (thread_join, (&real->system_thread)); - - retval = real->retval; - - G_LOCK (g_thread); - for (t = g_thread_all_threads, p = NULL; t; p = t, t = t->next) - { - if (t == (GRealThread*) thread) - { - if (p) - p->next = t->next; - else - g_thread_all_threads = t->next; - break; - } - } - G_UNLOCK (g_thread); - - /* Just to make sure, this isn't used any more */ - thread->joinable = 0; - g_system_thread_assign (real->system_thread, zero_thread); - - /* the thread structure for non-joinable threads is freed upon - thread end. We free the memory here. This will leave a loose end, - if a joinable thread is not joined. */ - - g_free (thread); - - return retval; -} - -void -g_thread_set_priority (GThread* thread, - GThreadPriority priority) -{ - GRealThread* real = (GRealThread*) thread; - - g_return_if_fail (thread); - g_return_if_fail (!g_system_thread_equal (real->system_thread, zero_thread)); - g_return_if_fail (priority >= G_THREAD_PRIORITY_LOW); - g_return_if_fail (priority <= G_THREAD_PRIORITY_URGENT); - - thread->priority = priority; - - G_THREAD_CF (thread_set_priority, (void)0, - (&real->system_thread, priority)); -} - -GThread* -g_thread_self (void) -{ - GRealThread* thread = g_private_get (g_thread_specific_private); - - if (!thread) - { - /* If no thread data is available, provide and set one. This - can happen for the main thread and for threads, that are not - created by GLib. */ - thread = g_new0 (GRealThread, 1); - thread->thread.joinable = FALSE; /* This is a save guess */ - thread->thread.priority = G_THREAD_PRIORITY_NORMAL; /* This is - just a guess */ - thread->thread.func = NULL; - thread->thread.data = NULL; - thread->private_data = NULL; - - if (g_thread_supported ()) - G_THREAD_UF (thread_self, (&thread->system_thread)); - - g_private_set (g_thread_specific_private, thread); - - G_LOCK (g_thread); - thread->next = g_thread_all_threads; - g_thread_all_threads = thread; - G_UNLOCK (g_thread); - } - - return (GThread*)thread; -} - -void -g_static_rw_lock_init (GStaticRWLock* lock) -{ - static const GStaticRWLock init_lock = G_STATIC_RW_LOCK_INIT; - - g_return_if_fail (lock); - - *lock = init_lock; -} - -inline static void -g_static_rw_lock_wait (GCond** cond, GStaticMutex* mutex) -{ - if (!*cond) - *cond = g_cond_new (); - g_cond_wait (*cond, g_static_mutex_get_mutex (mutex)); -} - -inline static void -g_static_rw_lock_signal (GStaticRWLock* lock) -{ - if (lock->want_to_write && lock->write_cond) - g_cond_signal (lock->write_cond); - else if (lock->want_to_read && lock->read_cond) - g_cond_broadcast (lock->read_cond); -} - -void -g_static_rw_lock_reader_lock (GStaticRWLock* lock) -{ - g_return_if_fail (lock); - - if (!g_threads_got_initialized) - return; - - g_static_mutex_lock (&lock->mutex); - lock->want_to_read++; - while (lock->have_writer || lock->want_to_write) - g_static_rw_lock_wait (&lock->read_cond, &lock->mutex); - lock->want_to_read--; - lock->read_counter++; - g_static_mutex_unlock (&lock->mutex); -} - -gboolean -g_static_rw_lock_reader_trylock (GStaticRWLock* lock) -{ - gboolean ret_val = FALSE; - - g_return_val_if_fail (lock, FALSE); - - if (!g_threads_got_initialized) - return TRUE; - - g_static_mutex_lock (&lock->mutex); - if (!lock->have_writer && !lock->want_to_write) - { - lock->read_counter++; - ret_val = TRUE; - } - g_static_mutex_unlock (&lock->mutex); - return ret_val; -} - -void -g_static_rw_lock_reader_unlock (GStaticRWLock* lock) -{ - g_return_if_fail (lock); - - if (!g_threads_got_initialized) - return; - - g_static_mutex_lock (&lock->mutex); - lock->read_counter--; - if (lock->read_counter == 0) - g_static_rw_lock_signal (lock); - g_static_mutex_unlock (&lock->mutex); -} - -void -g_static_rw_lock_writer_lock (GStaticRWLock* lock) -{ - g_return_if_fail (lock); - - if (!g_threads_got_initialized) - return; - - g_static_mutex_lock (&lock->mutex); - lock->want_to_write++; - while (lock->have_writer || lock->read_counter) - g_static_rw_lock_wait (&lock->write_cond, &lock->mutex); - lock->want_to_write--; - lock->have_writer = TRUE; - g_static_mutex_unlock (&lock->mutex); -} - -gboolean -g_static_rw_lock_writer_trylock (GStaticRWLock* lock) -{ - gboolean ret_val = FALSE; - - g_return_val_if_fail (lock, FALSE); - - if (!g_threads_got_initialized) - return TRUE; - - g_static_mutex_lock (&lock->mutex); - if (!lock->have_writer && !lock->read_counter) - { - lock->have_writer = TRUE; - ret_val = TRUE; - } - g_static_mutex_unlock (&lock->mutex); - return ret_val; -} - -void -g_static_rw_lock_writer_unlock (GStaticRWLock* lock) -{ - g_return_if_fail (lock); - - if (!g_threads_got_initialized) - return; - - g_static_mutex_lock (&lock->mutex); - lock->have_writer = FALSE; - g_static_rw_lock_signal (lock); - g_static_mutex_unlock (&lock->mutex); -} - -void -g_static_rw_lock_free (GStaticRWLock* lock) -{ - g_return_if_fail (lock); - - if (lock->read_cond) - { - g_cond_free (lock->read_cond); - lock->read_cond = NULL; - } - if (lock->write_cond) - { - g_cond_free (lock->write_cond); - lock->write_cond = NULL; - } - g_static_mutex_free (&lock->mutex); -} - -/** - * g_thread_foreach - * @thread_func: function to call for all GThread structures - * @user_data: second argument to @thread_func - * - * Call @thread_func on all existing #GThread structures. Note that - * threads may decide to exit while @thread_func is running, so - * without intimate knowledge about the lifetime of foreign threads, - * @thread_func shouldn't access the GThread* pointer passed in as - * first argument. However, @thread_func will not be called for threads - * which are known to have exited already. - * - * Due to thread lifetime checks, this function has an execution complexity - * which is quadratic in the number of existing threads. - * - * Since: 2.10 - */ -void -g_thread_foreach (GFunc thread_func, - gpointer user_data) -{ - GSList *slist = NULL; - GRealThread *thread; - g_return_if_fail (thread_func != NULL); - /* snapshot the list of threads for iteration */ - G_LOCK (g_thread); - for (thread = g_thread_all_threads; thread; thread = thread->next) - slist = g_slist_prepend (slist, thread); - G_UNLOCK (g_thread); - /* walk the list, skipping non-existant threads */ - while (slist) - { - GSList *node = slist; - slist = node->next; - /* check whether the current thread still exists */ - G_LOCK (g_thread); - for (thread = g_thread_all_threads; thread; thread = thread->next) - if (thread == node->data) - break; - G_UNLOCK (g_thread); - if (thread) - thread_func (thread, user_data); - g_slist_free_1 (node); - } -} - -/** - * g_thread_get_initialized - * - * Indicates if g_thread_init() has been called. - * - * Returns: %TRUE if threads have been initialized. - * - * Since: 2.20 - */ -gboolean -g_thread_get_initialized () -{ - return g_thread_supported (); -} - -#define __G_THREAD_C__ -#include "galiasdef.c" |