mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-30 04:00:37 +00:00
78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
/* GStreamer
|
|
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
|
|
* 2000 Wim Taymans <wtay@chello.be>
|
|
*
|
|
* cothreads.h: Header for cothreading routines
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef __COTHREADS_H__
|
|
#define __COTHREADS_H__
|
|
|
|
#include <glib.h>
|
|
#include <setjmp.h>
|
|
|
|
#define COTHREAD_STACKSIZE 8192
|
|
#define COTHREAD_MAXTHREADS 16
|
|
#define STACK_SIZE 0x200000
|
|
|
|
#ifndef CURRENT_STACK_FRAME
|
|
#define CURRENT_STACK_FRAME ({ char __csf; &__csf; })
|
|
#endif /* CURRENT_STACK_FRAME */
|
|
|
|
typedef struct _cothread_state cothread_state;
|
|
typedef struct _cothread_context cothread_context;
|
|
|
|
typedef int (*cothread_func) (int argc,char **argv);
|
|
|
|
#define COTHREAD_STARTED 0x01
|
|
|
|
struct _cothread_state {
|
|
cothread_context *ctx;
|
|
int threadnum;
|
|
|
|
cothread_func func;
|
|
int argc;
|
|
char **argv;
|
|
|
|
int flags;
|
|
void *sp;
|
|
/* is this needed any more? */
|
|
void *top_sp;
|
|
void *pc;
|
|
jmp_buf jmp;
|
|
};
|
|
|
|
struct _cothread_context {
|
|
cothread_state *threads[COTHREAD_MAXTHREADS];
|
|
int nthreads;
|
|
int current;
|
|
GHashTable *data;
|
|
};
|
|
|
|
cothread_context* cothread_init();
|
|
cothread_state* cothread_create (cothread_context *ctx);
|
|
void cothread_setfunc (cothread_state *thread, cothread_func func,
|
|
int argc, char **argv);
|
|
int cothread_getcurrent (void);
|
|
void cothread_switch (cothread_state *thread);
|
|
void cothread_set_data (cothread_state *thread, gchar *key, gpointer data);
|
|
gpointer cothread_get_data (cothread_state *thread, gchar *key);
|
|
|
|
cothread_state* cothread_main (cothread_context *ctx);
|
|
|
|
#endif /* __COTHREAD_H__ */
|