Commit ff713e59 authored by Sebastian Wilhelmi's avatar Sebastian Wilhelmi
Browse files

forgot to add gthread/gthread-nspr.c


forgot to add gthread/gthread-nspr.c
parent 7589569f
/* GLIB - Library of useful routines for C programming
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* gthread.c: nspr thread system implementation
* Copyright 1998 Sebastian Wilhelmi; University of Karlsruhe
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library 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.
*/
/*
* MT safe
*/
#include <prpdce.h>
#include <prthread.h>
#include <stdlib.h>
#ifdef G_DISABLE_ASSERT
#define STDERR_ASSERT(expr)
#else /* G_DISABLE_ASSERT */
#define STDERR_ASSERT(expr) G_STMT_START{ \
if (!(expr)) \
g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_ERROR, \
"file %s: line %d: assertion failed: (%s)", \
__FILE__, \
__LINE__, \
#expr); }G_STMT_END
#endif /* G_DISABLE_ASSERT */
/* NOTE: the functions g_mutex_lock and g_mutex_unlock may not use
functions from gmem.c and gmessages.c; */
static gboolean
g_mutex_trylock_nspr_impl (GMutex * mutex)
{
PRStatus status = PRP_TryLock ((PRLock *) mutex);
if (status == PR_SUCCESS)
{
return TRUE;
}
return FALSE;
}
static void
g_cond_wait_nspr_impl (GCond * cond,
GMutex * entered_mutex)
{
PRStatus status = PRP_NakedWait ((PRCondVar *) cond,
(PRLock *) entered_mutex,
PR_INTERVAL_NO_TIMEOUT);
g_assert (status == PR_SUCCESS);
}
#define G_MICROSEC 1000000
static gboolean
g_cond_timed_wait_nspr_impl (GCond * cond,
GMutex * entered_mutex,
GTimeVal * abs_time)
{
PRStatus status;
PRIntervalTime interval;
GTimeVal current_time;
glong microsecs;
g_return_val_if_fail (cond != NULL, FALSE);
g_return_val_if_fail (entered_mutex != NULL, FALSE);
g_get_current_time (&current_time);
if (abs_time->tv_sec < current_time.tv_sec ||
(abs_time->tv_sec == current_time.tv_sec &&
abs_time->tv_usec < current_time.tv_usec))
return FALSE;
interval = PR_SecondsToInterval (abs_time->tv_sec - current_time.tv_sec);
microsecs = abs_time->tv_usec - current_time.tv_usec;
if (microsecs < 0)
interval -= PR_MicrosecondsToInterval (-microsecs);
else
interval += PR_MicrosecondsToInterval (microsecs);
status = PRP_NakedWait ((PRCondVar *) cond, (PRLock *) entered_mutex,
interval);
g_assert (status == PR_SUCCESS);
g_get_current_time (&current_time);
if (abs_time->tv_sec < current_time.tv_sec ||
(abs_time->tv_sec == current_time.tv_sec &&
abs_time->tv_usec < current_time.tv_usec))
return FALSE;
return TRUE;
}
typedef struct _GPrivateNSPRData GPrivateNSPRData;
struct _GPrivateNSPRData
{
gpointer data;
GDestroyNotify destructor;
};
typedef struct _GPrivateNSPR GPrivateNSPR;
struct _GPrivateNSPR
{
PRUintn private;
GDestroyNotify destructor;
};
static GPrivateNSPRData *
g_private_nspr_data_constructor (GDestroyNotify destructor, gpointer data)
{
/* we can not use g_new and friends, as they might use private data by
themself */
GPrivateNSPRData *private = malloc (sizeof (GPrivateNSPRData));
g_assert (private);
private->data = data;
private->destructor = destructor;
return private;
}
static void
g_private_nspr_data_destructor (gpointer data)
{
GPrivateNSPRData *private = data;
if (private->destructor && private->data)
(*private->destructor) (private->data);
free (private);
}
static GPrivate *
g_private_new_nspr_impl (GDestroyNotify destructor)
{
GPrivateNSPR *result = g_new (GPrivateNSPR, 1);
PRStatus status = PR_NewThreadPrivateIndex (&result->private,
g_private_nspr_data_destructor);
g_assert (status == PR_SUCCESS);
result->destructor = destructor;
return (GPrivate *) result;
}
/* NOTE: the functions g_private_get and g_private_set may not use
functions from gmem.c and gmessages.c */
static GPrivateNSPRData *
g_private_nspr_data_get (GPrivateNSPR * private)
{
GPrivateNSPRData *data;
STDERR_ASSERT (private);
data = PR_GetThreadPrivate (private->private);
if (!data)
{
data = g_private_nspr_data_constructor (private->destructor, NULL);
STDERR_ASSERT (PR_SetThreadPrivate (private->private, data)
== PR_SUCCESS);
}
return data;
}
static void
g_private_set_nspr_impl (GPrivate * private, gpointer value)
{
if (!private)
return;
g_private_nspr_data_get ((GPrivateNSPR *) private)->data = value;
}
static gpointer
g_private_get_nspr_impl (GPrivate * private)
{
if (!private)
return NULL;
return g_private_nspr_data_get ((GPrivateNSPR *) private)->data;
}
static GThreadFunctions g_thread_functions_for_glib_use_default =
{
(GMutex * (*)())PR_NewLock,
(void (*)(GMutex *)) PR_Lock,
g_mutex_trylock_nspr_impl,
(void (*)(GMutex *)) PR_Unlock,
(void (*)(GMutex *)) PR_DestroyLock,
(GCond * (*)())PRP_NewNakedCondVar,
(void (*)(GCond *)) PRP_NakedNotify,
(void (*)(GCond *)) PRP_NakedBroadcast,
g_cond_wait_nspr_impl,
g_cond_timed_wait_nspr_impl,
(void (*)(GCond *)) PRP_DestroyNakedCondVar,
g_private_new_nspr_impl,
g_private_get_nspr_impl,
g_private_set_nspr_impl
};
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