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authorLennart Poettering <lennart@poettering.net>2006-06-19 21:53:48 +0000
committerLennart Poettering <lennart@poettering.net>2006-06-19 21:53:48 +0000
commitf44ba092651aa75055e109e04b4164ea92ae7fdc (patch)
tree5dfe076191b32946e78edf64d584d0a65f320013 /src/pulse/timeval.h
parentdd21f11deda64e65a6f75817496534c2c9dda1a8 (diff)
big s/polyp/pulse/g
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1033 fefdeb5f-60dc-0310-8127-8f9354f1896f
Diffstat (limited to 'src/pulse/timeval.h')
-rw-r--r--src/pulse/timeval.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/src/pulse/timeval.h b/src/pulse/timeval.h
new file mode 100644
index 00000000..e2dbbadb
--- /dev/null
+++ b/src/pulse/timeval.h
@@ -0,0 +1,53 @@
+#ifndef footimevalhfoo
+#define footimevalhfoo
+
+/* $Id$ */
+
+/***
+ This file is part of PulseAudio.
+
+ PulseAudio 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.
+
+ PulseAudio 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 PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#include <pulse/cdecl.h>
+#include <pulse/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