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#ifndef footimevalhfoo
#define footimevalhfoo
/* $Id$ */
/***
This file is part of polypaudio.
polypaudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
polypaudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with polypaudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#include <polyp/cdecl.h>
#include <polyp/sample.h>
/** \file
* Utility functions for handling timeval calculations */
PA_C_DECL_BEGIN
struct timeval;
/** Return the current timestamp, just like UNIX gettimeofday() */
struct timeval *pa_gettimeofday(struct timeval *tv);
/** Calculate the difference between the two specified timeval
* structs. */
pa_usec_t pa_timeval_diff(const struct timeval *a, const struct timeval *b);
/** Compare the two timeval structs and return 0 when equal, negative when a < b, positive otherwse */
int pa_timeval_cmp(const struct timeval *a, const struct timeval *b);
/** Return the time difference between now and the specified timestamp */
pa_usec_t pa_timeval_age(const struct timeval *tv);
/** Add the specified time inmicroseconds to the specified timeval structure */
struct timeval* pa_timeval_add(struct timeval *tv, pa_usec_t v);
PA_C_DECL_END
#endif
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