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time.c
Package: vxwork_src.rar [view]
Upload User: nvosite88
Upload Date: 2007-01-17
Package Size: 4983k
Code Size: 1k
Category:
VxWorks
Development Platform:
C/C++
- /* time.c - time file for time */
- /* Copyright 1992-1993 Wind River Systems, Inc. */
- /*
- modification history
- --------------------
- 01c,05feb93,jdi documentation cleanup for 5.1.
- 01b,20sep92,smb documentation additions
- 01a,25jul92,smb written.
- */
- /*
- DESCRIPTION
- INCLUDE FILE: time.h
- SEE ALSO: American National Standard X3.159-1989
- NOMANUAL
- */
- #include "vxWorks.h"
- #include "time.h"
- #include "timers.h"
- /****************************************************************************
- *
- * time - determine the current calendar time (ANSI)
- *
- * This routine returns the implementation's best approximation of current
- * calendar time in seconds. If <timer> is non-NULL, the return value is
- * also copied to the location <timer> points to.
- *
- * INTERNAL
- * Uses the POSIX clockLib functions.
- * Does this return the number of seconds since the BOARD was booted?
- *
- * INCLUDE FILES: time.h
- *
- * RETURNS:
- * The current calendar time in seconds, or ERROR (-1) if the calendar time
- * is not available.
- *
- * SEE ALSO: clock_gettime()
- */
- time_t time
- (
- time_t *timer /* calendar time in seconds */
- )
- {
- struct timespec tp;
- if (clock_gettime (CLOCK_REALTIME, &tp) == 0)
- {
- if (timer != NULL)
- *timer = (time_t) tp.tv_sec;
- return (time_t) (tp.tv_sec);
- }
- else
- return (time_t) (ERROR);
- }