Move timeval calculation functions into their own file.

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@926 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Pierre Ossman 2006-05-18 06:45:43 +00:00
parent 5f458db84f
commit 0796ead0db
23 changed files with 234 additions and 149 deletions

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@ -417,7 +417,7 @@ WARN_LOGFILE =
# directories like "/usr/src/myproject". Separate the files or directories
# with spaces.
INPUT = ../src/polyp/context.h ../src/polyp/stream.h ../src/polyp/polypaudio.h ../src/polyp/sample.h ../src/polyp/def.h ../src/polyp/subscribe.h ../src/polyp/introspect.h ../src/polyp/scache.h ../src/polyp/mainloop-api.h ../src/polyp/glib-mainloop.h ../src/polyp/mainloop.h ../src/polyp/mainloop-signal.h ../src/polyp/error.h ../src/polyp/operation.h ../src/polyp/simple.h ../src/polyp/version.h ../src/polyp/volume.h ../src/polyp/channelmap.h ../src/polyp/thread-mainloop.h ../src/polyp/xmalloc.h ../src/polyp/utf8.h ../src/polyp/util.h
INPUT = ../src/polyp/context.h ../src/polyp/stream.h ../src/polyp/polypaudio.h ../src/polyp/sample.h ../src/polyp/def.h ../src/polyp/subscribe.h ../src/polyp/introspect.h ../src/polyp/scache.h ../src/polyp/mainloop-api.h ../src/polyp/glib-mainloop.h ../src/polyp/mainloop.h ../src/polyp/mainloop-signal.h ../src/polyp/error.h ../src/polyp/operation.h ../src/polyp/simple.h ../src/polyp/version.h ../src/polyp/volume.h ../src/polyp/channelmap.h ../src/polyp/thread-mainloop.h ../src/polyp/xmalloc.h ../src/polyp/utf8.h ../src/polyp/util.h ../src/polyp/timeval.h
# If the value of the INPUT tag contains directories, you can use the
# FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp

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@ -351,6 +351,7 @@ libpolyp_la_SOURCES = \
polyp/stream.c polyp/stream.h \
polyp/subscribe.c polyp/subscribe.h \
polyp/sample.c polyp/sample.h \
polyp/timeval.c polyp/timeval.h \
polyp/volume.c polyp/volume.h \
polyp/utf8.c polyp/utf8.h \
polyp/mainloop.c polyp/mainloop.h \
@ -493,9 +494,10 @@ libpolypcore_la_SOURCES = \
polyp/mainloop-signal.c polyp/mainloop-signal.h \
polyp/sample.c polyp/sample.h \
polyp/volume.c polyp/volume.h \
polyp/timeval.c polyp/timeval.h \
polyp/utf8.c polyp/utf8.h \
polyp/xmalloc.c polyp/xmalloc.h \
polyp/util.c polyp/util.h
polyp/util.c polyp/util.h \
polyp/xmalloc.c polyp/xmalloc.h
# Pure core stuff (some are shared in libpolyp though).
libpolypcore_la_SOURCES += \

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@ -26,6 +26,7 @@
#include <assert.h>
#include <stdio.h>
#include <polyp/timeval.h>
#include <polyp/xmalloc.h>
#include <polypcore/module.h>

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@ -33,6 +33,7 @@
#include <unistd.h>
#include <limits.h>
#include <polyp/timeval.h>
#include <polyp/xmalloc.h>
#include <polypcore/iochannel.h>

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@ -31,6 +31,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <polyp/timeval.h>
#include <polyp/version.h>
#include <polyp/xmalloc.h>

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@ -31,6 +31,7 @@
#include <string.h>
#include <unistd.h>
#include <polyp/timeval.h>
#include <polyp/xmalloc.h>
#include <polypcore/module.h>

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@ -32,6 +32,7 @@
#include <string.h>
#include <unistd.h>
#include <polyp/timeval.h>
#include <polyp/xmalloc.h>
#include <polypcore/module.h>

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@ -25,6 +25,7 @@
#include <assert.h>
#include <polyp/timeval.h>
#include <polyp/xmalloc.h>
#include <polypcore/idxset.h>

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@ -44,6 +44,7 @@
#include "../polypcore/pipe.h"
#endif
#include <polyp/timeval.h>
#include <polyp/xmalloc.h>
#include <polypcore/core-util.h>

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@ -41,6 +41,7 @@
#include <polyp/mainloop.h>
#include <polyp/mainloop-signal.h>
#include <polyp/util.h>
#include <polyp/timeval.h>
/** \file
* Include all polyplib header files at once. The following
@ -48,7 +49,8 @@
* \ref context.h, \ref stream.h, \ref introspect.h, \ref subscribe.h,
* \ref scache.h, \ref version.h, \ref error.h, \ref channelmap.h,
* \ref operation.h,\ref volume.h, \ref xmalloc.h, \ref utf8.h, \ref
* thread-mainloop.h, \ref mainloop.h, \ref util.h and \ref mainloop-signal.h at once */
* thread-mainloop.h, \ref mainloop.h, \ref util.h, \ref timeval.h and
* \ref mainloop-signal.h at once */
/** \mainpage
*

142
src/polyp/timeval.c Normal file
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@ -0,0 +1,142 @@
/* $Id$ */
/***
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.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <assert.h>
#include <stddef.h>
#include <sys/time.h>
#ifdef HAVE_WINDOWS_H
#include <windows.h>
#endif
#include "../polypcore/winsock.h"
#include "timeval.h"
struct timeval *pa_gettimeofday(struct timeval *tv) {
#ifdef HAVE_GETTIMEOFDAY
assert(tv);
return gettimeofday(tv, NULL) < 0 ? NULL : tv;
#elif defined(OS_IS_WIN32)
/*
* Copied from implementation by Steven Edwards (LGPL).
* Found on wine mailing list.
*/
#if defined(_MSC_VER) || defined(__BORLANDC__)
#define EPOCHFILETIME (116444736000000000i64)
#else
#define EPOCHFILETIME (116444736000000000LL)
#endif
FILETIME ft;
LARGE_INTEGER li;
__int64 t;
assert(tv);
GetSystemTimeAsFileTime(&ft);
li.LowPart = ft.dwLowDateTime;
li.HighPart = ft.dwHighDateTime;
t = li.QuadPart; /* In 100-nanosecond intervals */
t -= EPOCHFILETIME; /* Offset to the Epoch time */
t /= 10; /* In microseconds */
tv->tv_sec = (long)(t / 1000000);
tv->tv_usec = (long)(t % 1000000);
return tv;
#else
#error "Platform lacks gettimeofday() or equivalent function."
#endif
}
pa_usec_t pa_timeval_diff(const struct timeval *a, const struct timeval *b) {
pa_usec_t r;
assert(a && b);
/* Check which whan is the earlier time and swap the two arguments if reuqired. */
if (pa_timeval_cmp(a, b) < 0) {
const struct timeval *c;
c = a;
a = b;
b = c;
}
/* Calculate the second difference*/
r = ((pa_usec_t) a->tv_sec - b->tv_sec)* 1000000;
/* Calculate the microsecond difference */
if (a->tv_usec > b->tv_usec)
r += ((pa_usec_t) a->tv_usec - b->tv_usec);
else if (a->tv_usec < b->tv_usec)
r -= ((pa_usec_t) b->tv_usec - a->tv_usec);
return r;
}
int pa_timeval_cmp(const struct timeval *a, const struct timeval *b) {
assert(a && b);
if (a->tv_sec < b->tv_sec)
return -1;
if (a->tv_sec > b->tv_sec)
return 1;
if (a->tv_usec < b->tv_usec)
return -1;
if (a->tv_usec > b->tv_usec)
return 1;
return 0;
}
pa_usec_t pa_timeval_age(const struct timeval *tv) {
struct timeval now;
assert(tv);
return pa_timeval_diff(pa_gettimeofday(&now), tv);
}
struct timeval* pa_timeval_add(struct timeval *tv, pa_usec_t v) {
unsigned long secs;
assert(tv);
secs = (v/1000000);
tv->tv_sec += (unsigned long) secs;
v -= secs*1000000;
tv->tv_usec += v;
/* Normalize */
while (tv->tv_usec >= 1000000) {
tv->tv_sec++;
tv->tv_usec -= 1000000;
}
return tv;
}

53
src/polyp/timeval.h Normal file
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@ -0,0 +1,53 @@
#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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@ -23,39 +23,33 @@
#include <config.h>
#endif
#include <stdarg.h>
#include <stdlib.h>
#include <signal.h>
#include <errno.h>
#include <assert.h>
#include <string.h>
#include <errno.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <ctype.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#ifdef HAVE_PWD_H
#include <pwd.h>
#endif
#ifdef HAVE_GRP_H
#include <grp.h>
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#ifdef HAVE_WINDOWS_H
#include <windows.h>
#endif
#include <polyp/xmalloc.h>
#include "../polypcore/winsock.h"
#include <polypcore/log.h>
#include <polypcore/core-util.h>
@ -154,112 +148,6 @@ char *pa_get_home_dir(char *s, size_t l) {
#endif
}
struct timeval *pa_gettimeofday(struct timeval *tv) {
#ifdef HAVE_GETTIMEOFDAY
assert(tv);
return gettimeofday(tv, NULL) < 0 ? NULL : tv;
#elif defined(OS_IS_WIN32)
/*
* Copied from implementation by Steven Edwards (LGPL).
* Found on wine mailing list.
*/
#if defined(_MSC_VER) || defined(__BORLANDC__)
#define EPOCHFILETIME (116444736000000000i64)
#else
#define EPOCHFILETIME (116444736000000000LL)
#endif
FILETIME ft;
LARGE_INTEGER li;
__int64 t;
assert(tv);
GetSystemTimeAsFileTime(&ft);
li.LowPart = ft.dwLowDateTime;
li.HighPart = ft.dwHighDateTime;
t = li.QuadPart; /* In 100-nanosecond intervals */
t -= EPOCHFILETIME; /* Offset to the Epoch time */
t /= 10; /* In microseconds */
tv->tv_sec = (long)(t / 1000000);
tv->tv_usec = (long)(t % 1000000);
return tv;
#else
#error "Platform lacks gettimeofday() or equivalent function."
#endif
}
pa_usec_t pa_timeval_diff(const struct timeval *a, const struct timeval *b) {
pa_usec_t r;
assert(a && b);
/* Check which whan is the earlier time and swap the two arguments if reuqired. */
if (pa_timeval_cmp(a, b) < 0) {
const struct timeval *c;
c = a;
a = b;
b = c;
}
/* Calculate the second difference*/
r = ((pa_usec_t) a->tv_sec - b->tv_sec)* 1000000;
/* Calculate the microsecond difference */
if (a->tv_usec > b->tv_usec)
r += ((pa_usec_t) a->tv_usec - b->tv_usec);
else if (a->tv_usec < b->tv_usec)
r -= ((pa_usec_t) b->tv_usec - a->tv_usec);
return r;
}
int pa_timeval_cmp(const struct timeval *a, const struct timeval *b) {
assert(a && b);
if (a->tv_sec < b->tv_sec)
return -1;
if (a->tv_sec > b->tv_sec)
return 1;
if (a->tv_usec < b->tv_usec)
return -1;
if (a->tv_usec > b->tv_usec)
return 1;
return 0;
}
pa_usec_t pa_timeval_age(const struct timeval *tv) {
struct timeval now;
assert(tv);
return pa_timeval_diff(pa_gettimeofday(&now), tv);
}
struct timeval* pa_timeval_add(struct timeval *tv, pa_usec_t v) {
unsigned long secs;
assert(tv);
secs = (v/1000000);
tv->tv_sec += (unsigned long) secs;
v -= secs*1000000;
tv->tv_usec += v;
/* Normalize */
while (tv->tv_usec >= 1000000) {
tv->tv_sec++;
tv->tv_usec -= 1000000;
}
return tv;
}
char *pa_get_binary_name(char *s, size_t l) {
#ifdef HAVE_READLINK

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@ -22,10 +22,8 @@
USA.
***/
#include <sys/types.h>
#include <inttypes.h>
#include <stddef.h>
#include <polyp/sample.h>
#include <polyp/cdecl.h>
/** \file
@ -33,8 +31,6 @@
PA_C_DECL_BEGIN
struct timeval;
/** Return the current username in the specified string buffer. */
char *pa_get_user_name(char *s, size_t l);
@ -55,22 +51,6 @@ char *pa_get_binary_name(char *s, size_t l);
* component). */
const char *pa_path_get_filename(const char *p);
/** 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);
/** Wait t milliseconds */
int pa_msleep(unsigned long t);

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@ -43,6 +43,7 @@
#include <polyp/mainloop.h>
#include <polyp/channelmap.h>
#include <polyp/timeval.h>
#include <polyp/volume.h>
#include <polyp/xmalloc.h>

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@ -28,6 +28,7 @@
#include <stdio.h>
#include <signal.h>
#include <polyp/timeval.h>
#include <polyp/xmalloc.h>
#include <polypcore/module.h>

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@ -30,6 +30,7 @@
#include <string.h>
#include <errno.h>
#include <polyp/timeval.h>
#include <polyp/xmalloc.h>
#include <polypcore/core-subscribe.h>

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@ -27,6 +27,7 @@
#include <stdlib.h>
#include <assert.h>
#include <polyp/timeval.h>
#include <polyp/xmalloc.h>
#include <polypcore/native-common.h>

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@ -31,6 +31,7 @@
#include <limits.h>
#include <polyp/sample.h>
#include <polyp/timeval.h>
#include <polyp/utf8.h>
#include <polyp/xmalloc.h>

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@ -29,6 +29,7 @@
#include <stdlib.h>
#include <unistd.h>
#include <polyp/timeval.h>
#include <polyp/version.h>
#include <polyp/utf8.h>
#include <polyp/xmalloc.h>

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@ -54,6 +54,7 @@
#include "winsock.h"
#include <polyp/timeval.h>
#include <polyp/xmalloc.h>
#include <polypcore/socket-util.h>

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@ -28,6 +28,8 @@
#include <sys/time.h>
#include <assert.h>
#include <polyp/timeval.h>
#include <polypcore/core-util.h>
#include <polypcore/gccmacro.h>

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@ -28,6 +28,8 @@
#include <unistd.h>
#include <stdio.h>
#include <polyp/timeval.h>
#include <polypcore/gccmacro.h>
#include <polypcore/core-util.h>
#include <polyp/thread-mainloop.h>