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/*
This file is part of drd, a data race detector.
Copyright (C) 2006-2008 Bart Van Assche
bart.vanassche@gmail.com
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307, USA.
The GNU General Public License is contained in the file COPYING.
*/
#ifndef __SEGMENT_H
#define __SEGMENT_H
// Segments and segment lists. A segment represents information about
// a contiguous group of statements of a specific thread. There is a vector
// clock associated with each segment.
#include "drd_vc.h"
#include "pub_drd_bitmap.h"
#include "pub_tool_execontext.h" // ExeContext
#include "pub_tool_stacktrace.h" // StackTrace
typedef struct segment
{
struct segment* next;
struct segment* prev;
int refcnt;
ExeContext* stacktrace;
VectorClock vc;
struct bitmap* bm;
} Segment;
Segment* sg_new(const ThreadId creator, const ThreadId created);
int sg_get_refcnt(const Segment* const sg);
Segment* sg_get(Segment* const sg);
void sg_put(Segment* const sg);
void sg_merge(const Segment* const sg1, Segment* const sg2);
void sg_print(const Segment* const sg);
Bool sg_get_trace(void);
void sg_set_trace(const Bool trace_segment);
ULong sg_get_created_segments_count(void);
ULong sg_get_alive_segments_count(void);
ULong sg_get_max_alive_segments_count(void);
#endif // __SEGMENT_H