/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */

/* Copyright (c) 2004 - 2006 Derek Foreman, Ben Jansens
   Copyright (c) 2006 - 2013 Thomas Schmitt <scdbackup@gmx.net>
   Provided under GPL version 2 or later.
*/

#ifndef BURN__INIT_H
#define BURN__INIT_H

extern int burn_running;

extern double lib_start_time;

/** Indicator for burn_drive_get_status() whether a signal hit parts of the
    thread team. 
    0= all works well ,
    1 to 5 = waiting for eventual signal on control thread
    > 5 = do abort now
    -1 = control thread has been informed
*/
extern volatile int burn_global_abort_level;
extern int burn_global_abort_signum;
extern void *burn_global_signal_handle;
extern burn_abort_handler_t burn_global_signal_handler;

extern int burn_builtin_signal_action;         /* burn_set_signal_handling() */
extern volatile int burn_builtin_triggered_action;    /*  burn_is_aborting() */


/* ts B00225 */
/* @return 0= no abort pending , 1= not control thread ,
          -1= surprisingly burn_abort returned
*/
int burn_init_catch_on_abort(int flag);

/* ts B10606 */
void *burn_alloc_mem(size_t size, size_t count, int flag);

#define BURN_ALLOC_MEM(pt, typ, count) { \
	pt= (typ *) burn_alloc_mem(sizeof(typ), (size_t) (count), 0); \
	if(pt == NULL) { \
		ret= -1; goto ex; \
	} }

#define BURN_ALLOC_MEM_VOID(pt, typ, count) { \
	pt= (typ *) burn_alloc_mem(sizeof(typ), (size_t) (count), 0); \
	if(pt == NULL) { \
		goto ex; \
	} }

#define BURN_FREE_MEM(pt) { \
	if(pt != NULL) \
		free((char *) pt); \
	}


/* B20122 */
int burn_grab_prepare_sig_action(int *signal_action_mem, int flag);
int burn_grab_restore_sig_action(int signal_action_mem, int flag);


#endif /* BURN__INIT_H */