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