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/* cygwait.h
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, /* Cancellation point. Return to caller. */
cw_cancel_self = 0x0002, /* Cancellation point. Cancel self. */
cw_sig = 0x0004, /* Handle signals. */
cw_sig_eintr = 0x0008, /* Caller handles signals. */
cw_sig_cont = 0x0010, /* Caller handles SIGCONT. */
cw_sig_restart = 0x0020 /* Restart even if SA_RESTART isn't set. */
};
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 __reg3 cygwait (HANDLE, PLARGE_INTEGER timeout,
unsigned = cw_std_mask);
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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