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/* cygserver_process.h
Copyright 2001, 2002 Red Hat Inc.
Written by Robert Collins <rbtcollins@hotmail.com>
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#ifndef _CYGSERVER_PROCESS_
#define _CYGSERVER_PROCESS_
/* needs threaded_queue.h */
class process_cleanup:public queue_request
{
public:
virtual void process ();
process_cleanup (class process *nprocess) : theprocess (nprocess) {};
private:
class process * theprocess;
};
class process_process_param:public queue_process_param
{
class process_cache *cache;
public:
DWORD request_loop ();
process_process_param ():queue_process_param (true) {};
};
class cleanup_routine
{
public:
cleanup_routine () : next (NULL) {};
class cleanup_routine * next;
/* MUST BE SYNCHRONOUS */
virtual void cleanup (long winpid);
};
class process
{
public:
HANDLE handle ();
long winpid;
process (long);
~process ();
DWORD exit_code ();
class process * next;
long refcount;
bool add_cleanup_routine (class cleanup_routine *);
void cleanup ();
private:
/* used to prevent races-on-delete */
CRITICAL_SECTION access;
volatile long cleaning_up;
class cleanup_routine *head;
HANDLE thehandle;
DWORD _exit_status;
};
class process_cache:public threaded_queue
{
public:
process_cache (unsigned int initial_workers);
virtual ~ process_cache ();
class process *process (long);
/* remove a process from the cache */
int handle_snapshot (HANDLE *, class process **, ssize_t, int);
void remove_process (class process *);
/* threaded_queue methods */
void process_requests ();
HANDLE cache_add_trigger;
private:
virtual void add_task (class process *);
class process *head;
CRITICAL_SECTION cache_write_access;
};
#endif /* _CYGSERVER_PROCESS_ */
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