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/* cygwait.h
Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Red Hat, Inc.
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. */
#pragma once
#define WAIT_CANCELED (WAIT_OBJECT_0 + 2)
#define WAIT_SIGNALED (WAIT_OBJECT_0 + 1)
enum cw_wait_mask
{
cw_cancel = 0x0001,
cw_cancel_self = 0x0002,
cw_sig = 0x0004,
cw_sig_eintr = 0x0008
};
extern LARGE_INTEGER cw_nowait_storage;
#define cw_nowait (&cw_nowait_storage)
#define cw_infinite ((PLARGE_INTEGER) NULL)
const unsigned cw_std_mask = cw_cancel | cw_cancel_self | cw_sig;
DWORD cygwait (HANDLE, PLARGE_INTEGER timeout,
unsigned = cw_std_mask)
__attribute__ ((regparm (3)));
extern inline DWORD __attribute__ ((always_inline))
cygwait (HANDLE h, DWORD howlong, unsigned mask)
{
LARGE_INTEGER li_howlong;
PLARGE_INTEGER pli_howlong;
if (howlong == INFINITE)
pli_howlong = NULL;
else
{
li_howlong.QuadPart = -(10000ULL * howlong);
pli_howlong = &li_howlong;
}
return cygwait (h, pli_howlong, mask);
}
static inline DWORD __attribute__ ((always_inline))
cygwait (HANDLE h, DWORD howlong = INFINITE)
{
return cygwait (h, howlong, cw_cancel | cw_sig);
}
static inline DWORD __attribute__ ((always_inline))
cygwait (DWORD howlong)
{
return cygwait (NULL, howlong);
}
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