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Name	Size	Permission	Date
obsolete	[ DIR ]	drwxr-xr-x	2021-11-09 08:47
private	[ DIR ]	drwxr-xr-x	2021-11-09 08:47
nspr.h	1016 B	-rw-r--r--	2021-06-30 21:43
plarena.h	11.37 KB	-rw-r--r--	2021-06-30 21:43
plarenas.h	565 B	-rw-r--r--	2021-06-30 21:43
plbase64.h	2.82 KB	-rw-r--r--	2021-06-30 21:43
plerror.h	880 B	-rw-r--r--	2021-06-30 21:43
plgetopt.h	4.6 KB	-rw-r--r--	2021-06-30 21:43
plhash.h	4.72 KB	-rw-r--r--	2021-06-30 21:43
plstr.h	13.11 KB	-rw-r--r--	2021-06-30 21:43
pratom.h	5.77 KB	-rw-r--r--	2021-06-30 21:43
prbit.h	5.15 KB	-rw-r--r--	2021-06-30 21:43
prclist.h	2.42 KB	-rw-r--r--	2021-06-30 21:43
prcmon.h	2.09 KB	-rw-r--r--	2021-06-30 21:43
prcountr.h	14.41 KB	-rw-r--r--	2021-06-30 21:43
prcpucfg.h	33.59 KB	-rw-r--r--	2021-06-30 21:43
prcvar.h	3.51 KB	-rw-r--r--	2021-06-30 21:43
prdtoa.h	1.56 KB	-rw-r--r--	2021-06-30 21:43
prenv.h	6.06 KB	-rw-r--r--	2021-06-30 21:43
prerr.h	8.11 KB	-rw-r--r--	2021-06-30 21:43
prerror.h	11.24 KB	-rw-r--r--	2021-06-30 21:43
prinet.h	3.02 KB	-rw-r--r--	2021-06-30 21:43
prinit.h	6.44 KB	-rw-r--r--	2021-06-30 21:43
prinrval.h	5.21 KB	-rw-r--r--	2021-06-30 21:43
prio.h	75.63 KB	-rw-r--r--	2021-06-30 21:43
pripcsem.h	2.58 KB	-rw-r--r--	2021-06-30 21:43
prlink.h	8.16 KB	-rw-r--r--	2021-06-30 21:43
prlock.h	3.73 KB	-rw-r--r--	2021-06-30 21:43
prlog.h	6.88 KB	-rw-r--r--	2021-06-30 21:43
prlong.h	12.46 KB	-rw-r--r--	2021-06-30 21:43
prmem.h	4.65 KB	-rw-r--r--	2021-06-30 21:43
prmon.h	3.16 KB	-rw-r--r--	2021-06-30 21:43
prmwait.h	15.88 KB	-rw-r--r--	2021-06-30 21:43
prnetdb.h	19.08 KB	-rw-r--r--	2021-06-30 21:43
prolock.h	4.53 KB	-rw-r--r--	2021-06-30 21:43
prpdce.h	2.42 KB	-rw-r--r--	2021-06-30 21:43
prprf.h	4.4 KB	-rw-r--r--	2021-06-30 21:43
prproces.h	2.25 KB	-rw-r--r--	2021-06-30 21:43
prrng.h	2.4 KB	-rw-r--r--	2021-06-30 21:43
prrwlock.h	2.79 KB	-rw-r--r--	2021-06-30 21:43
prshm.h	8.27 KB	-rw-r--r--	2021-06-30 21:43
prshma.h	6.97 KB	-rw-r--r--	2021-06-30 21:43
prsystem.h	2.63 KB	-rw-r--r--	2021-06-30 21:43
prthread.h	9.85 KB	-rw-r--r--	2021-06-30 21:43
prtime.h	10 KB	-rw-r--r--	2021-06-30 21:43
prtpool.h	2.32 KB	-rw-r--r--	2021-06-30 21:43
prtrace.h	20.19 KB	-rw-r--r--	2021-06-30 21:43
prtypes.h	19.42 KB	-rw-r--r--	2021-06-30 21:43
prvrsion.h	3.46 KB	-rw-r--r--	2021-06-30 21:43
prwin16.h	5.86 KB	-rw-r--r--	2021-06-30 21:43

Rename

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/*
** File:        prinrval.h
** Description: API to interval timing functions of NSPR.
**
**
** NSPR provides interval times that are independent of network time
** of day values. Interval times are (in theory) accurate regardless
** of host processing requirements and also very cheap to acquire. It
** is expected that getting an interval time while in a synchronized
** function (holding one's lock).
**/

#if !defined(prinrval_h)
#define prinrval_h

#include "prtypes.h"

PR_BEGIN_EXTERN_C

/**********************************************************************/
/************************* TYPES AND CONSTANTS ************************/
/**********************************************************************/

typedef PRUint32 PRIntervalTime;

/***********************************************************************
** DEFINES:     PR_INTERVAL_MIN
**              PR_INTERVAL_MAX
** DESCRIPTION:
**  These two constants define the range (in ticks / second) of the
**  platform dependent type, PRIntervalTime. These constants bound both
**  the period and the resolution of a PRIntervalTime.
***********************************************************************/
#define PR_INTERVAL_MIN 1000UL
#define PR_INTERVAL_MAX 100000UL

/***********************************************************************
** DEFINES:     PR_INTERVAL_NO_WAIT
**              PR_INTERVAL_NO_TIMEOUT
** DESCRIPTION:
**  Two reserved constants are defined in the PRIntervalTime namespace.
**  They are used to indicate that the process should wait no time (return
**  immediately) or wait forever (never time out), respectively.
**  Note: PR_INTERVAL_NO_TIMEOUT passed as input to PR_Connect is
**  interpreted as use the OS's connect timeout.
**
***********************************************************************/
#define PR_INTERVAL_NO_WAIT 0UL
#define PR_INTERVAL_NO_TIMEOUT 0xffffffffUL

/**********************************************************************/
/****************************** FUNCTIONS *****************************/
/**********************************************************************/

/***********************************************************************
** FUNCTION:    PR_IntervalNow
** DESCRIPTION:
**  Return the value of NSPR's free running interval timer. That timer
**  can be used to establish epochs and determine intervals (be computing
**  the difference between two times).
** INPUTS:      void
** OUTPUTS:     void
** RETURN:      PRIntervalTime
**
** SIDE EFFECTS:
**  None
** RESTRICTIONS:
**  The units of PRIntervalTime are platform dependent. They are chosen
**  such that they are appropriate for the host OS, yet provide sufficient
**  resolution and period to be useful to clients.
** MEMORY:      N/A
** ALGORITHM:   Platform dependent
***********************************************************************/
NSPR_API(PRIntervalTime) PR_IntervalNow(void);

/***********************************************************************
** FUNCTION:    PR_TicksPerSecond
** DESCRIPTION:
**  Return the number of ticks per second for PR_IntervalNow's clock.
**  The value will be in the range [PR_INTERVAL_MIN..PR_INTERVAL_MAX].
** INPUTS:      void
** OUTPUTS:     void
** RETURN:      PRUint32
**
** SIDE EFFECTS:
**  None
** RESTRICTIONS:
**  None
** MEMORY:      N/A
** ALGORITHM:   N/A
***********************************************************************/
NSPR_API(PRUint32) PR_TicksPerSecond(void);

/***********************************************************************
** FUNCTION:    PR_SecondsToInterval
**              PR_MillisecondsToInterval
**              PR_MicrosecondsToInterval
** DESCRIPTION:
**  Convert standard clock units to platform dependent intervals.
** INPUTS:      PRUint32
** OUTPUTS:     void
** RETURN:      PRIntervalTime
**
** SIDE EFFECTS:
**  None
** RESTRICTIONS:
**  Conversion may cause overflow, which is not reported.
** MEMORY:      N/A
** ALGORITHM:   N/A
***********************************************************************/
NSPR_API(PRIntervalTime) PR_SecondsToInterval(PRUint32 seconds);
NSPR_API(PRIntervalTime) PR_MillisecondsToInterval(PRUint32 milli);
NSPR_API(PRIntervalTime) PR_MicrosecondsToInterval(PRUint32 micro);

/***********************************************************************
** FUNCTION:    PR_IntervalToSeconds
**              PR_IntervalToMilliseconds
**              PR_IntervalToMicroseconds
** DESCRIPTION:
**  Convert platform dependent intervals to standard clock units.
** INPUTS:      PRIntervalTime
** OUTPUTS:     void
** RETURN:      PRUint32
**
** SIDE EFFECTS:
**  None
** RESTRICTIONS:
**  Conversion may cause overflow, which is not reported.
** MEMORY:      N/A
** ALGORITHM:   N/A
***********************************************************************/
NSPR_API(PRUint32) PR_IntervalToSeconds(PRIntervalTime ticks);
NSPR_API(PRUint32) PR_IntervalToMilliseconds(PRIntervalTime ticks);
NSPR_API(PRUint32) PR_IntervalToMicroseconds(PRIntervalTime ticks);

PR_END_EXTERN_C

#endif /* !defined(prinrval_h) */

/* prinrval.h */