hw/xfree86/os-support/misc/Delay.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/misc/Delay.c,v 3.4 2003/03/25 04:18:23 dawes Exp $ */
 
#ifdef __UNIXOS2__
#define I_NEED_OS2_H
#endif
#include "X.h"
#include "xf86.h"
#include "xf86Priv.h"
#include "xf86_OSlib.h"

#include <time.h>

void
xf86UDelay(long usec)
{
#if 0
    struct timeval start, interrupt;
#else
    int sigio;

    sigio = xf86BlockSIGIO();
    xf86usleep(usec);
    xf86UnblockSIGIO(sigio);
#endif

#if 0
    gettimeofday(&start,NULL);

    do {
	usleep(usec);
	gettimeofday(&interrupt,NULL);
	
	if ((usec = usec - (interrupt.tv_sec - start.tv_sec) * 1000000
	      - (interrupt.tv_usec - start.tv_usec)) < 0)
	    break;
	start = interrupt;
    } while (1);
#endif
}