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Sprite 1984 - 1993
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Sprite 1984 - 1993.iso
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unixSyscall
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settimeofday.c
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C/C++ Source or Header
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1988-11-07
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2KB
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76 lines
/*
* settimeofday.c --
*
* Procedure to map from Unix settimeofday system call to Sprite.
*
* Copyright 1986 Regents of the University of California
* All rights reserved.
*/
#ifndef lint
static char rcsid[] = "$Header: /sprite/src/lib/c/unixSyscall/RCS/settimeofday.c,v 1.3 88/11/07 14:43:30 douglis Exp $ SPRITE (Berkeley)";
#endif not lint
#include <sprite.h>
#include <spriteTime.h>
#include "compatInt.h"
#include <sys/time.h>
/*
*----------------------------------------------------------------------
*
* settimeofday --
*
* Procedure to map from Unix settimeofday system call to
* Sprite Sys_SetTimeOfDay.
*
* Results:
* UNIX_SUCCESS - the call was successful.
* UNIX_ERROR - the call was not successful.
* The actual error code stored in errno.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
int
settimeofday(tp, tzp)
struct timeval *tp;
struct timezone *tzp;
{
ReturnStatus status; /* result returned by Sys_SetTimeOfDay */
/*
* Unix negates the local offset from UTC to make it positive
* for locations west of the prime meridian.
*/
if (tzp == NULL) {
int localOffset;
Boolean DST;
status = Sys_GetTimeOfDay((Time *) NULL, &localOffset, &DST);
status = Sys_SetTimeOfDay(tp, localOffset, DST);
} else if (tp == NULL) {
Time currentTime;
status = Sys_GetTimeOfDay(¤tTime, (int *) NULL,
(Boolean *) NULL);
status = Sys_SetTimeOfDay(¤tTime, -(tzp->tz_minuteswest),
tzp->tz_dsttime);
} else {
status = Sys_SetTimeOfDay(tp, -(tzp->tz_minuteswest), tzp->tz_dsttime);
}
if (status != SUCCESS) {
errno = Compat_MapCode(status);
return(UNIX_ERROR);
} else {
return(UNIX_SUCCESS);
}
}