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/* -*- c-file-style: "java"; indent-tabs-mode: nil; tab-width: 4; fill-column: 78 -*-
*
* distcc -- A simple distributed compiler system
*
* Copyright (C) 2003 by Martin Pool <mbp@samba.org>
* Copyright 2007 Google Inc.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*/
#ifndef _DISTCC_STATE_H
#define _DISTCC_STATE_H
#ifdef __cplusplus
extern "C" {
#endif
int dcc_get_state_dir (char **p);
int dcc_open_state_file (int *p_fd);
/* Note that these must be in the order in which they are encountered
* for the state file to work properly. It's OK if some are skipped
* though. */
enum dcc_phase {
DCC_PHASE_STARTUP,
DCC_PHASE_BLOCKED,
DCC_PHASE_CONNECT,
DCC_PHASE_CPP,
DCC_PHASE_SEND,
DCC_PHASE_COMPILE, /**< or unknown */
DCC_PHASE_RECEIVE,
DCC_PHASE_DONE /**< MUST be last */
};
enum dcc_host {
DCC_UNKNOWN,
DCC_LOCAL,
DCC_REMOTE
};
int dcc_note_state (enum dcc_phase state,
const char *file,
const char *host,
enum dcc_host);
void dcc_remove_state_file (void);
extern const char *dcc_state_prefix;
#define DCC_STATE_MAGIC 0x44494800 /* DIH\0 */
/**
* State and history of a distcc process. Used in memory and also in native
* format for binary state files.
*
* This should be <4kB, so that it will normally be written out
* atomically.
**/
struct dcc_task_state {
size_t struct_size;
unsigned long magic;
unsigned long cpid; /**< Client pid */
char file[128]; /**< Input filename */
char host[128]; /**< Destination host description */
int slot; /**< Which CPU slot for this host */
enum dcc_phase curr_phase;
/** In memory, point to the next in a list of all tasks. In the
* file, undefined. */
struct dcc_task_state *next;
};
const char *dcc_get_phase_name(enum dcc_phase);
void dcc_note_state_slot(int slot, enum dcc_host target);
#ifdef __cplusplus
}
#endif
#endif /* _DISTCC_STATE_H */
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