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* cygwin.din: Export nanosleep().

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* signal.cc (nanosleep): New function.
	(sleep): Move old functionality to nanosleep().  Call nanosleep().
	(usleep): Remove old functionality.  Call nanosleep().
	* include/cygwin/version.h: Bump API minor number.
This commit is contained in:
Corinna Vinschen
2003-01-22 10:43:39 +00:00
parent 13afd798c3
commit 89f7e8d1d3
4 changed files with 62 additions and 34 deletions
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81
winsup/cygwin/signal.cc
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@@ -66,46 +66,63 @@ signal (int sig, _sig_func_ptr func)
return prev;
}
extern "C" int
nanosleep (const struct timespec *rqtp, struct timespec *rmtp)
{
int res = 0;
sig_dispatch_pending (0);
sigframe thisframe (mainthread);
pthread_testcancel ();
if (rqtp->tv_sec < 0 || rqtp->tv_nsec < 0 || rqtp->tv_nsec > 999999999)
{
set_errno (EINVAL);
return -1;
}
DWORD req = rqtp->tv_sec * 1000 + (rqtp->tv_nsec + 500000) / 1000000;
DWORD start_time = GetTickCount ();
DWORD end_time = start_time + req;
syscall_printf ("nanosleep (%ld)", req);
int rc = pthread::cancelable_wait (signal_arrived, req);
DWORD now = GetTickCount ();
DWORD rem = (rc == WAIT_TIMEOUT || now >= end_time) ? 0 : end_time - now;
if (WaitForSingleObject (signal_arrived, 0) == WAIT_OBJECT_0)
{
(void) thisframe.call_signal_handler ();
set_errno (EINTR);
res = -1;
}
if (rmtp)
{
rmtp->tv_sec = rem / 1000;
rmtp->tv_nsec = (rem % 1000) * 1000000;
}
syscall_printf ("%d = nanosleep (%ld, %ld)", res, req, rem);
return res;
}
extern "C" unsigned int
sleep (unsigned int seconds)
{
int rc;
sig_dispatch_pending (0);
sigframe thisframe (mainthread);
DWORD ms, start_time, end_time;
pthread_testcancel ();
ms = seconds * 1000;
start_time = GetTickCount ();
end_time = start_time + (seconds * 1000);
syscall_printf ("sleep (%d)", seconds);
rc = pthread::cancelable_wait (signal_arrived, ms);
DWORD now = GetTickCount ();
if (rc == WAIT_TIMEOUT || now >= end_time)
ms = 0;
else
ms = end_time - now;
if (WaitForSingleObject (signal_arrived, 0) == WAIT_OBJECT_0)
(void) thisframe.call_signal_handler ();
DWORD res = (ms + 500) / 1000;
syscall_printf ("%d = sleep (%d)", res, seconds);
return res;
struct timespec req, rem;
req.tv_sec = seconds;
req.tv_nsec = 0;
nanosleep (&req, &rem);
return rem.tv_sec + (rem.tv_nsec + 500000000) / 1000000000;
}
extern "C" unsigned int
usleep (unsigned int useconds)
{
pthread_testcancel ();
sig_dispatch_pending (0);
syscall_printf ("usleep (%d)", useconds);
pthread::cancelable_wait (signal_arrived, (useconds + 500) / 1000);
syscall_printf ("0 = usleep (%d)", useconds);
return 0;
struct timespec req;
req.tv_sec = useconds / 1000000;
req.tv_nsec = (useconds % 1000000) * 1000;
int res = nanosleep (&req, 0);
return res;
}
extern "C" int