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/*
* Author: Alan Robertson <alanr@unix.sh>
* Copyright (C) 2005 International Business Machines Inc.
*
* 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 2.1 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <clplumbing/longclock.h>
#include <clplumbing/GSource.h>
#define MAG_GFDSOURCE 0xfeed0001U
#define MAG_GCHSOURCE 0xfeed0002U
#define MAG_GWCSOURCE 0xfeed0003U
#define MAG_GSIGSOURCE 0xfeed0004U
#define MAG_GTRIGSOURCE 0xfeed0005U
#define MAG_GTIMEOUTSRC 0xfeed0006U
#define IS_FDSOURCE(p) (p && (p)->magno == MAG_GFDSOURCE)
#define IS_CHSOURCE(p) (p && (p)->magno == MAG_GCHSOURCE)
#define IS_WCSOURCE(p) (p && (p)->magno == MAG_GWCSOURCE)
#define IS_SIGSOURCE(p) (p && (p)->magno == MAG_GSIGSOURCE)
#define IS_TRIGSOURCE(p) (p && (p)->magno == MAG_GTRIGSOURCE)
#define IS_TIMEOUTSRC(p) (p && (p)->magno == MAG_GTIMEOUTSRC)
#define IS_ONEOFOURS(p) (IS_CHSOURCE(p)|IS_FDSOURCE(p)|IS_WCSOURCE(p)|| \
IS_SIGSOURCE(p)|IS_TRIGSOURCE(p)||IS_TIMEOUTSRC(p))
#define DEFAULT_MAXDISPATCH 0
#define DEFAULT_MAXDELAY 0
#define OTHER_MAXDELAY 100
#define COMMON_STRUCTSTART \
GSource source; /* Common glib struct - must be 1st */ \
unsigned magno; /* Magic number */ \
long maxdispatchms; /* Time limit for dispatch function */ \
long maxdispatchdelayms; /* Max delay before processing */ \
char detecttime[sizeof(longclock_t)]; \
/* Time last input detected */ \
void* udata; /* User-defined data */ \
guint gsourceid; /* Source id of this source */ \
const char * description; /* Description of this source */ \
GDestroyNotify dnotify
struct GFDSource_s {
COMMON_STRUCTSTART;
gboolean (*dispatch)(int fd, gpointer user_data);
GPollFD gpfd;
};
typedef gboolean (*GCHdispatch)(IPC_Channel* ch, gpointer user_data);
struct GCHSource_s {
COMMON_STRUCTSTART;
IPC_Channel* ch;
gboolean fd_fdx;
GPollFD infd;
GPollFD outfd;
gboolean dontread; /* TRUE when we don't want to read
* more input for a while - we're
* flow controlling the writer off
*/
gboolean (*dispatch)(IPC_Channel* ch, gpointer user_data);
};
struct GWCSource_s {
COMMON_STRUCTSTART;
GPollFD gpfd;
IPC_WaitConnection* wch;
IPC_Auth* auth_info;
gboolean (*dispatch)(IPC_Channel* accept_ch, gpointer udata);
};
struct GSIGSource_s {
COMMON_STRUCTSTART;
clock_t sh_detecttime;
int signal;
gboolean signal_triggered;
gboolean (*dispatch)(int signal, gpointer user_data);
};
struct GTRIGSource_s {
COMMON_STRUCTSTART;
gboolean manual_trigger;
gboolean (*dispatch)(gpointer user_data);
};
/************************************************************
* Functions for IPC_Channels
***********************************************************/
gboolean G_CH_prepare_int(GSource* source, gint* timeout);
gboolean G_CH_check_int(GSource* source);
gboolean G_CH_dispatch_int(GSource* source, GSourceFunc callback,
gpointer user_data);
void G_CH_destroy_int(GSource* source);
GCHSource*
G_main_IPC_Channel_constructor(GSource* source, IPC_Channel* ch
, gpointer userdata, GDestroyNotify notify);
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