newlib-cygwin/winsup/cygwin/cygthread.h

90 lines
2.7 KiB
C++

/* cygthread.h
Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2010
Red Hat, Inc.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#ifndef _CYGTHREAD_H
#define _CYGTHREAD_H
typedef void WINAPI (*LPVOID_THREAD_START_ROUTINE) (void *) __attribute__((noreturn)); // Input queue thread
class cygthread
{
LONG inuse;
DWORD id;
HANDLE h;
HANDLE ev;
HANDLE thread_sync;
void *stack_ptr;
const char *__name;
#ifdef DEBUGGING
const char *__oldname;
bool terminated;
#endif
LPTHREAD_START_ROUTINE func;
unsigned arglen;
VOID *arg;
bool is_freerange;
static bool exiting;
HANDLE notify_detached;
bool standalone;
void create () __attribute__ ((regparm(2)));
public:
bool terminate_thread ();
static DWORD WINAPI stub (VOID *);
static DWORD WINAPI simplestub (VOID *);
static DWORD main_thread_id;
static const char * name (DWORD = 0);
void callfunc (bool) __attribute__ ((noinline, regparm (2)));
void auto_release () {func = NULL;}
void release (bool);
cygthread (LPTHREAD_START_ROUTINE start, unsigned n, LPVOID param, const char *name, HANDLE notify = NULL)
: __name (name), func (start), arglen (n), arg (param), notify_detached (notify), standalone (false)
{
create ();
}
cygthread (LPVOID_THREAD_START_ROUTINE start, LPVOID param, const char *name, HANDLE notify = NULL)
: __name (name), func ((LPTHREAD_START_ROUTINE) start), arglen (0),
arg (param), notify_detached (notify), standalone (true)
{
create ();
/* This is a neverending/high-priority thread */
::SetThreadPriority (h, THREAD_PRIORITY_HIGHEST);
zap_h ();
}
cygthread (LPTHREAD_START_ROUTINE start, LPVOID param, const char *name, HANDLE notify = NULL)
: __name (name), func (start), arglen (0), arg (param), notify_detached (notify), standalone (false)
{
create ();
}
cygthread (LPVOID_THREAD_START_ROUTINE start, unsigned n, LPVOID param, const char *name, HANDLE notify = NULL)
: __name (name), func ((LPTHREAD_START_ROUTINE) start), arglen (n),
arg (param), notify_detached (notify), standalone (true)
{
create ();
/* This is a neverending/high-priority thread */
::SetThreadPriority (h, THREAD_PRIORITY_HIGHEST);
zap_h ();
}
cygthread () {};
static void init ();
bool detach (HANDLE = NULL);
operator HANDLE ();
void * operator new (size_t);
static cygthread *freerange ();
static void terminate ();
bool SetThreadPriority (int nPriority) {return ::SetThreadPriority (h, nPriority);}
void zap_h ()
{
CloseHandle (h);
h = NULL;
}
};
#define cygself NULL
#endif /*_CYGTHREAD_H*/