glib/libgthread/src/gthread-posix.c
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 02:01:42 +0200
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/* GLIB - Library of useful routines for C programming
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 * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
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 *
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 * gthread.c: posix thread system implementation
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 * Copyright 1998 Sebastian Wilhelmi; University of Karlsruhe
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 * Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the
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 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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 * Boston, MA 02111-1307, USA.
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 */
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/*
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 * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
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 * file for a list of people on the GLib Team.  See the ChangeLog
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 * files for a list of changes.  These files are distributed with
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 * GLib at ftp://ftp.gtk.org/pub/gtk/. 
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 */
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/* 
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 * MT safe
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 */
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#include <config.h>
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#include <pthread.h>
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#include <errno.h>
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#include <stdlib.h>
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#ifdef HAVE_SYS_TIME_H
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# include <sys/time.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifdef HAVE_SCHED_H
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#include <sched.h>
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#endif
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#define posix_check_err(err, name) G_STMT_START{			\
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  int error = (err); 							\
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  if (error)	 		 		 			\
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    g_error ("file %s: line %d (%s): error '%s' during '%s'",		\
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           __FILE__, __LINE__, G_GNUC_PRETTY_FUNCTION,			\
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           g_strerror (error), name);					\
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  }G_STMT_END
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#define posix_check_cmd(cmd) posix_check_err (posix_error (cmd), #cmd)
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#ifdef G_ENABLE_DEBUG
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#if EMULATOR
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PLS(posix_check_cmd_prio_warned,gthread_posix,gboolean)
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#define posix_check_cmd_prio_warned (*FUNCTION_NAME(posix_check_cmd_prio_warned,gthread_posix)())
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#else
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static gboolean posix_check_cmd_prio_warned = FALSE;
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#endif /* EMULATOR */
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# define posix_check_cmd_prio(cmd) G_STMT_START{			\
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    int err = posix_error (cmd);					\
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    if (err == EPERM)		 		 			\
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      { 	 			 				\
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        if (!posix_check_cmd_prio_warned) 		 		\
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          { 	 				 			\
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            posix_check_cmd_prio_warned = TRUE;		 		\
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            g_warning ("Priorities can only be changed " 		\
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                        "(resp. increased) by root."); 			\
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          }			 					\
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      }			 						\
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    else  		 						\
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      posix_check_err (err, #cmd);					\
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     }G_STMT_END
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#else /* G_ENABLE_DEBUG */
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# define posix_check_cmd_prio(cmd) G_STMT_START{			\
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    int err = posix_error (cmd);					\
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    if (err != EPERM)		 		 			\
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      posix_check_err (err, #cmd);					\
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     }G_STMT_END
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#endif /* G_ENABLE_DEBUG */
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#if defined(G_THREADS_IMPL_POSIX)
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# define posix_error(what) (what)
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# define mutexattr_default NULL
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# define condattr_default NULL
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#elif defined(G_THREADS_IMPL_DCE)
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# define posix_error(what) ((what) == -1 ? errno : 0)
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# define pthread_key_create(a, b) pthread_keycreate (a, b)
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# define pthread_attr_init(a) pthread_attr_create (a)
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# define pthread_attr_destroy(a) pthread_attr_delete (a)
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# define pthread_create(a, b, c, d) pthread_create (a, *b, c, d) 
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# define mutexattr_default (pthread_mutexattr_default)
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# define condattr_default (pthread_condattr_default)
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#else /* neither G_THREADS_IMPL_POSIX nor G_THREADS_IMPL_DCE are defined */
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# error This should not happen. Contact the GLib team.
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#endif
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#if defined (POSIX_MIN_PRIORITY) && defined (POSIX_MAX_PRIORITY)
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# define HAVE_PRIORITIES 1
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#if EMULATOR
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PLS(priority_normal_value,gthread_posix,gint)
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#define priority_normal_value (*FUNCTION_NAME(priority_normal_value,gthread_posix)())
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#else
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static gint priority_normal_value;
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#endif /* EMULATOR */
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# ifdef __FreeBSD__
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   /* FreeBSD threads use different priority values from the POSIX_
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    * defines so we just set them here. The corresponding macros
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    * PTHREAD_MIN_PRIORITY and PTHREAD_MAX_PRIORITY are implied to be
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    * exported by the docs, but they aren't.
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    */
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#  define PRIORITY_LOW_VALUE      0
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#  define PRIORITY_URGENT_VALUE   31
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# else /* !__FreeBSD__ */
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#  define PRIORITY_LOW_VALUE      POSIX_MIN_PRIORITY
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#  define PRIORITY_URGENT_VALUE   POSIX_MAX_PRIORITY
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# endif /* !__FreeBSD__ */
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# define PRIORITY_NORMAL_VALUE    priority_normal_value
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#endif /* POSIX_MIN_PRIORITY && POSIX_MAX_PRIORITY */
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#if EMULATOR
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PLS(g_thread_min_stack_size ,gthread_posix,gulong)
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#define g_thread_min_stack_size  (*FUNCTION_NAME(g_thread_min_stack_size ,gthread_posix)())
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#else
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static gulong g_thread_min_stack_size = 0;
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#endif /* EMULATOR */
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#define G_MUTEX_SIZE (sizeof (pthread_mutex_t))
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#if defined(_SC_THREAD_STACK_MIN) || defined (HAVE_PRIORITIES)
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#define HAVE_G_THREAD_IMPL_INIT
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static void 
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g_thread_impl_init(void)
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{
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#ifdef _SC_THREAD_STACK_MIN
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  g_thread_min_stack_size = MAX (sysconf (_SC_THREAD_STACK_MIN), 0);
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#endif /* _SC_THREAD_STACK_MIN */
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#ifdef HAVE_PRIORITIES
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# ifdef G_THREADS_IMPL_POSIX
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  {
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    struct sched_param sched;
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    int policy;
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    posix_check_cmd (pthread_getschedparam (pthread_self(), &policy, &sched));
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    priority_normal_value = sched.sched_priority;
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  }
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# else /* G_THREADS_IMPL_DCE */
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  posix_check_cmd (priority_normal_value = 
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		   pthread_getprio (*(pthread_t*)thread, 
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				    g_thread_priority_map [priority]));
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# endif
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#endif /* HAVE_PRIORITIES */
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}
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#endif /* _SC_THREAD_STACK_MIN || HAVE_PRIORITIES */
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static GMutex *
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g_mutex_new_posix_impl (void)
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{
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  GMutex *result = (GMutex *) g_new (pthread_mutex_t, 1);
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  posix_check_cmd (pthread_mutex_init ((pthread_mutex_t *) result, 
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				       mutexattr_default));
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  return result;  
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}
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static void
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g_mutex_free_posix_impl (GMutex * mutex)
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{
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  posix_check_cmd (pthread_mutex_destroy ((pthread_mutex_t *) mutex));
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  g_free (mutex);
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}
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/* NOTE: the functions g_mutex_lock and g_mutex_unlock may not use
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   functions from gmem.c and gmessages.c; */
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/* pthread_mutex_lock, pthread_mutex_unlock can be taken directly, as
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   signature and semantic are right, but without error check then!!!!,
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   we might want to change this therefore. */
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static gboolean
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g_mutex_trylock_posix_impl (GMutex * mutex)
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{
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  int result;
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  result = pthread_mutex_trylock ((pthread_mutex_t *) mutex);
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#ifdef G_THREADS_IMPL_POSIX
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  if (result == EBUSY)
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    return FALSE;
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#else /* G_THREADS_IMPL_DCE */
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  if (result == 0)
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    return FALSE;
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#endif
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  posix_check_err (posix_error (result), "pthread_mutex_trylock");
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  return TRUE;
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}
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static GCond *
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g_cond_new_posix_impl (void)
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{
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  GCond *result = (GCond *) g_new (pthread_cond_t, 1);
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  posix_check_cmd (pthread_cond_init ((pthread_cond_t *) result, 
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				      condattr_default));
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  return result;
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}
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/* pthread_cond_signal, pthread_cond_broadcast and pthread_cond_wait
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   can be taken directly, as signature and semantic are right, but
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   without error check then!!!!, we might want to change this
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   therfore. */
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#define G_NSEC_PER_SEC 1000000000
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static gboolean
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g_cond_timed_wait_posix_impl (GCond * cond,
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			      GMutex * entered_mutex,
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			      GTimeVal * abs_time)
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{
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  int result;
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  struct timespec end_time;
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  gboolean timed_out;
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  g_return_val_if_fail (cond != NULL, FALSE);
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  g_return_val_if_fail (entered_mutex != NULL, FALSE);
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  if (!abs_time)
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    {
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      g_cond_wait (cond, entered_mutex);
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      return TRUE;
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    }
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  end_time.tv_sec = abs_time->tv_sec;
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  end_time.tv_nsec = abs_time->tv_usec * (G_NSEC_PER_SEC / G_USEC_PER_SEC);
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  g_return_val_if_fail (end_time.tv_nsec < G_NSEC_PER_SEC, TRUE);
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  result = pthread_cond_timedwait ((pthread_cond_t *) cond,
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				   (pthread_mutex_t *) entered_mutex,
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				   &end_time);
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#ifdef G_THREADS_IMPL_POSIX
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  timed_out = (result == ETIMEDOUT);
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#else /* G_THREADS_IMPL_DCE */
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  timed_out = (result == -1) && (errno == EAGAIN);
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#endif
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  if (!timed_out)
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    posix_check_err (posix_error (result), "pthread_cond_timedwait");
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  return !timed_out;
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}
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static void
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g_cond_free_posix_impl (GCond * cond)
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{
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  posix_check_cmd (pthread_cond_destroy ((pthread_cond_t *) cond));
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  g_free (cond);
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}
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static GPrivate *
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g_private_new_posix_impl (GDestroyNotify destructor)
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{
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  GPrivate *result = (GPrivate *) g_new (pthread_key_t, 1);
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  posix_check_cmd (pthread_key_create ((pthread_key_t *) result, destructor));
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  return result;
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}
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/* NOTE: the functions g_private_get and g_private_set may not use
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   functions from gmem.c and gmessages.c */
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static void
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g_private_set_posix_impl (GPrivate * private_key, gpointer value)
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{
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  if (!private_key)
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    return;
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  pthread_setspecific (*(pthread_key_t *) private_key, value);
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}
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static gpointer
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g_private_get_posix_impl (GPrivate * private_key)
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{
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  if (!private_key)
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    return NULL;
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#ifdef G_THREADS_IMPL_POSIX
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  return pthread_getspecific (*(pthread_key_t *) private_key);
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#else /* G_THREADS_IMPL_DCE */
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  {
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    void* data;
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    posix_check_cmd (pthread_getspecific (*(pthread_key_t *) private_key, 
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					  &data));
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    return data;
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  }
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#endif
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}
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static void
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g_thread_create_posix_impl (GThreadFunc thread_func, 
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			    gpointer arg, 
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			    gulong stack_size,
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			    gboolean joinable,
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			    gboolean bound,
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			    GThreadPriority priority,
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			    gpointer thread,
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			    GError **error)
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{
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  pthread_attr_t attr;
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  gint ret;
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  g_return_if_fail (thread_func);
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  g_return_if_fail (priority >= G_THREAD_PRIORITY_LOW);
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  g_return_if_fail (priority <= G_THREAD_PRIORITY_URGENT);
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  posix_check_cmd (pthread_attr_init (&attr));
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#ifdef HAVE_PTHREAD_ATTR_SETSTACKSIZE
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  if (stack_size)
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    {
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      stack_size = MAX (g_thread_min_stack_size, stack_size);
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      /* No error check here, because some systems can't do it and
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       * we simply don't want threads to fail because of that. */
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      pthread_attr_setstacksize (&attr, stack_size);
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    }
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parents:
diff changeset
   337
#endif /* HAVE_PTHREAD_ATTR_SETSTACKSIZE */
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parents:
diff changeset
   338
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
#ifdef PTHREAD_SCOPE_SYSTEM
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parents:
diff changeset
   340
  if (bound)
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
    /* No error check here, because some systems can't do it and we
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
     * simply don't want threads to fail because of that. */
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   343
    pthread_attr_setscope (&attr, PTHREAD_SCOPE_SYSTEM);
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   344
#endif /* PTHREAD_SCOPE_SYSTEM */
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   345
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
#ifdef G_THREADS_IMPL_POSIX
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
  posix_check_cmd (pthread_attr_setdetachstate (&attr,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
          joinable ? PTHREAD_CREATE_JOINABLE : PTHREAD_CREATE_DETACHED));
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
#endif /* G_THREADS_IMPL_POSIX */
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
  
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
#ifdef HAVE_PRIORITIES
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
# ifdef G_THREADS_IMPL_POSIX
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
  {
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
    struct sched_param sched;
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
    posix_check_cmd (pthread_attr_getschedparam (&attr, &sched));
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
    sched.sched_priority = g_thread_priority_map [priority];
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
    posix_check_cmd_prio (pthread_attr_setschedparam (&attr, &sched));
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
  }
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
# else /* G_THREADS_IMPL_DCE */
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
  posix_check_cmd_prio 
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
    (pthread_attr_setprio (&attr, g_thread_priority_map [priority]));
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
# endif /* G_THREADS_IMPL_DCE */
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
#endif /* HAVE_PRIORITIES */
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
  ret = posix_error (pthread_create (thread, &attr, 
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
				     (void* (*)(void*))thread_func, arg));
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
  posix_check_cmd (pthread_attr_destroy (&attr));
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
  if (ret == EAGAIN)
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
    {
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
      g_set_error (error, G_THREAD_ERROR, G_THREAD_ERROR_AGAIN, 
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
		   "Error creating thread: %s", g_strerror (ret));
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
      return;
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
    }
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
  posix_check_err (ret, "pthread_create");
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
#ifdef G_THREADS_IMPL_DCE
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
  if (!joinable)
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
    posix_check_cmd (pthread_detach (thread));
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
#endif /* G_THREADS_IMPL_DCE */
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
}
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
static void 
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
g_thread_yield_posix_impl (void)
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
{
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
  POSIX_YIELD_FUNC;
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
}
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
static void
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
g_thread_join_posix_impl (gpointer thread)
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
{     
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
  gpointer ignore;
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
  posix_check_cmd (pthread_join (*(pthread_t*)thread, &ignore));
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
}
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
static void 
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
g_thread_exit_posix_impl (void) 
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
{
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
  pthread_exit (NULL);
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
}
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
static void
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
g_thread_set_priority_posix_impl (gpointer thread, GThreadPriority priority)
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
{
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
  g_return_if_fail (priority >= G_THREAD_PRIORITY_LOW);
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
  g_return_if_fail (priority <= G_THREAD_PRIORITY_URGENT);
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
#ifdef HAVE_PRIORITIES
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
# ifdef G_THREADS_IMPL_POSIX
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
  {
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
    struct sched_param sched;
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
    int policy;
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
    posix_check_cmd (pthread_getschedparam (*(pthread_t*)thread, &policy, 
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
					    &sched));
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
    sched.sched_priority = g_thread_priority_map [priority];
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
    posix_check_cmd_prio (pthread_setschedparam (*(pthread_t*)thread, policy, 
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
						 &sched));
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
  }
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
# else /* G_THREADS_IMPL_DCE */
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
  posix_check_cmd_prio (pthread_setprio (*(pthread_t*)thread, 
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
					 g_thread_priority_map [priority]));
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
# endif
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
#endif /* HAVE_PRIORITIES */
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
}
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
static void
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
g_thread_self_posix_impl (gpointer thread)
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
{
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
  *(pthread_t*)thread = pthread_self();
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
}
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
static gboolean
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
g_thread_equal_posix_impl (gpointer thread1, gpointer thread2)
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
{
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
  return (pthread_equal (*(pthread_t*)thread1, *(pthread_t*)thread2) != 0);
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
}
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
#if EMULATOR
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
PLS(g_thread_functions_for_glib_use_default ,gthread_posix,GThreadFunctions)
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
#define g_thread_functions_for_glib_use_default   (*FUNCTION_NAME(g_thread_functions_for_glib_use_default ,gthread_posix)())
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
const GThreadFunctions temp_g_thread_functions_for_glib_use_default =
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
{
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
  g_mutex_new_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
  (void (*)(GMutex *)) pthread_mutex_lock,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
  g_mutex_trylock_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
  (void (*)(GMutex *)) pthread_mutex_unlock,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
  g_mutex_free_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
  g_cond_new_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
  (void (*)(GCond *)) pthread_cond_signal,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
  (void (*)(GCond *)) pthread_cond_broadcast,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
  (void (*)(GCond *, GMutex *)) pthread_cond_wait,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
  g_cond_timed_wait_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
  g_cond_free_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
  g_private_new_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
  g_private_get_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
  g_private_set_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
  g_thread_create_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
  g_thread_yield_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
  g_thread_join_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
  g_thread_exit_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
  g_thread_set_priority_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
  g_thread_self_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
  g_thread_equal_posix_impl
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
};
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
#else
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
 static const GThreadFunctions g_thread_functions_for_glib_use_default =
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
{
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
  g_mutex_new_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
  (void (*)(GMutex *)) pthread_mutex_lock,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
  g_mutex_trylock_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
  (void (*)(GMutex *)) pthread_mutex_unlock,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   477
  g_mutex_free_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   478
  g_cond_new_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   479
  (void (*)(GCond *)) pthread_cond_signal,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
  (void (*)(GCond *)) pthread_cond_broadcast,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
  (void (*)(GCond *, GMutex *)) pthread_cond_wait,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   482
  g_cond_timed_wait_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
  g_cond_free_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   484
  g_private_new_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   485
  g_private_get_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   486
  g_private_set_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
  g_thread_create_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
  g_thread_yield_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
  g_thread_join_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
  g_thread_exit_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   491
  g_thread_set_priority_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   492
  g_thread_self_posix_impl,
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   493
  g_thread_equal_posix_impl
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   494
};
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   495
e4d67989cc36 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   496
#endif /* EMULATOR */