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Drop header lib/posix/posix_time.h

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Only used for timespec which is in <ctime> since C++17. All other uses
were already obsolete with C++11 so remove the header wrapper.

Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>
This commit is contained in:
Ralph Sennhauser
2025-07-15 19:24:51 +02:00
parent 826dba847c
commit 0a78acf4dd
8 changed files with 5 additions and 676 deletions
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source/lib/posix/posix.h
-1
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@@ -71,7 +71,6 @@ need only be renamed (e.g. _open, _stat).
//#include "lib/posix/posix_dlfcn.h"
//#include "lib/posix/posix_filesystem.h"
//#include "lib/posix/posix_mman.h"
//#include "lib/posix/posix_time.h"
//#include "lib/posix/posix_utsname.h"
source/lib/posix/posix_time.h
-27
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@@ -1,27 +0,0 @@
/* Copyright (C) 2010 Wildfire Games.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#if OS_WIN
# include "lib/sysdep/os/win/wposix/wtime.h"
#else
# include <sys/time.h>
#endif
source/lib/sysdep/os/win/wposix/waio.h
+3 -2
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@@ -1,4 +1,4 @@
/* Copyright (C) 2022 Wildfire Games.
/* Copyright (C) 2025 Wildfire Games.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
@@ -29,9 +29,10 @@
#include "lib/status.h"
#include "lib/os_path.h"
#include "lib/posix/posix_time.h" // timespec
#include "lib/sysdep/os/win/wposix/wposix_types.h"
#include <ctime>
// Note: transfer buffers, offsets, and lengths must be sector-aligned
// (we don't bother copying to an align buffer because our block cache
// already requires splitting IOs into naturally-aligned blocks)
source/lib/sysdep/os/win/wposix/wpthread.cpp
+2 -1
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@@ -32,9 +32,10 @@
#include "lib/posix/posix_filesystem.h" // O_CREAT
#include "lib/sysdep/os/win/wposix/wposix_internal.h"
#include "lib/sysdep/os/win/wposix/wtime.h" // timespec
#include "lib/sysdep/os/win/wseh.h" // wseh_ExceptionFilter
#include <ctime>
namespace
{
source/lib/sysdep/os/win/wposix/wtime.cpp
-556
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@@ -1,556 +0,0 @@
/* Copyright (C) 2023 Wildfire Games.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* emulate POSIX time functionality on Windows.
*/
#include "precompiled.h"
#include "lib/sysdep/os/win/wposix/wtime.h"
#include "lib/sysdep/os/win/wposix/wposix_internal.h"
#include <ctime>
// NT system time and FILETIME are hectonanoseconds since Jan. 1, 1601 UTC.
// SYSTEMTIME is a struct containing month, year, etc.
static const long _1e3 = 1000;
static const long _1e6 = 1000000;
static const long _1e7 = 10000000;
static const i64 _1e9 = 1000000000;
//
// FILETIME -> time_t routines; used by wposix filetime_to_time_t wrapper.
//
// hectonanoseconds between Windows and POSIX epoch
static const u64 posix_epoch_hns = 0x019DB1DED53E8000;
// this function avoids the pitfall of casting FILETIME* to u64*,
// which is not safe due to differing alignment guarantees!
// on some platforms, that would result in an exception.
static u64 u64_from_FILETIME(const FILETIME* ft)
{
return u64_from_u32(ft->dwHighDateTime, ft->dwLowDateTime);
}
// convert UTC FILETIME to seconds-since-1970 UTC:
// we just have to subtract POSIX epoch and scale down to units of seconds.
//
// used by wfilesystem.
//
// note: RtlTimeToSecondsSince1970 isn't officially documented,
// so don't use that.
time_t wtime_utc_filetime_to_time_t(FILETIME* ft)
{
u64 hns = u64_from_FILETIME(ft);
u64 s = (hns - posix_epoch_hns) / _1e7;
return (time_t)(s & 0xFFFFFFFF);
}
//-----------------------------------------------------------------------------
static size_t MsFromTimespec(const timespec& ts)
{
i64 ms = ts.tv_sec; // avoid overflow
ms *= _1e3;
ms += ts.tv_nsec / _1e6;
return size_t(ms);
}
int nanosleep(const struct timespec* rqtp, struct timespec* /* rmtp */)
{
const DWORD ms = (DWORD)MsFromTimespec(*rqtp);
if(ms)
Sleep(ms);
return 0;
}
unsigned sleep(unsigned sec)
{
// warn if overflow would result (it would be insane to ask for
// such lengthy sleep timeouts, but still)
ENSURE(sec < std::numeric_limits<size_t>::max()/1000);
const DWORD ms = sec * 1000;
if(ms)
Sleep(ms);
return sec;
}
int usleep(useconds_t us)
{
ENSURE(us < _1e6);
const DWORD ms = us/1000;
if(ms)
Sleep(ms);
return 0;
}
//-----------------------------------------------------------------------------
// strptime from NetBSD
/*
* Copyright (c) 1999 Kungliga Tekniska Hogskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of KTH nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
static const char *abb_weekdays[] = {
"Sun",
"Mon",
"Tue",
"Wed",
"Thu",
"Fri",
"Sat",
NULL
};
static const char *full_weekdays[] = {
"Sunday",
"Monday",
"Tuesday",
"Wednesday",
"Thursday",
"Friday",
"Saturday",
NULL
};
static const char *abb_month[] = {
"Jan",
"Feb",
"Mar",
"Apr",
"May",
"Jun",
"Jul",
"Aug",
"Sep",
"Oct",
"Nov",
"Dec",
NULL
};
static const char *full_month[] = {
"January",
"February",
"Mars",
"April",
"May",
"June",
"July",
"August",
"September",
"October",
"November",
"December",
NULL,
};
static const char *ampm[] = {
"am",
"pm",
NULL
};
/*
* Try to match `*buf' to one of the strings in `strs'. Return the
* index of the matching string (or -1 if none). Also advance buf.
*/
static int
match_string (const char **buf, const char **strs)
{
int i = 0;
for (i = 0; strs[i] != NULL; ++i) {
size_t len = strlen (strs[i]);
if (strncasecmp (*buf, strs[i], len) == 0) {
*buf += len;
return i;
}
}
return -1;
}
/*
* tm_year is relative this year */
const int tm_year_base = 1900;
/*
* Return TRUE iff `year' was a leap year.
*/
static int
is_leap_year (int year)
{
return (year % 4) == 0 && ((year % 100) != 0 || (year % 400) == 0);
}
/*
* Return the weekday [0,6] (0 = Sunday) of the first day of `year'
*/
static int
first_day (int year)
{
int ret = 4;
for (; year > 1970; --year)
ret = (ret + 365 + is_leap_year (year) ? 1 : 0) % 7;
return ret;
}
/*
* Set `timeptr' given `wnum' (week number [0, 53])
*/
static void
set_week_number_sun (struct tm *timeptr, int wnum)
{
int fday = first_day (timeptr->tm_year + tm_year_base);
timeptr->tm_yday = wnum * 7 + timeptr->tm_wday - fday;
if (timeptr->tm_yday < 0) {
timeptr->tm_wday = fday;
timeptr->tm_yday = 0;
}
}
/*
* Set `timeptr' given `wnum' (week number [0, 53])
*/
static void
set_week_number_mon (struct tm *timeptr, int wnum)
{
int fday = (first_day (timeptr->tm_year + tm_year_base) + 6) % 7;
timeptr->tm_yday = wnum * 7 + (timeptr->tm_wday + 6) % 7 - fday;
if (timeptr->tm_yday < 0) {
timeptr->tm_wday = (fday + 1) % 7;
timeptr->tm_yday = 0;
}
}
/*
* Set `timeptr' given `wnum' (week number [0, 53])
*/
static void
set_week_number_mon4 (struct tm *timeptr, int wnum)
{
int fday = (first_day (timeptr->tm_year + tm_year_base) + 6) % 7;
int offset = 0;
if (fday < 4)
offset += 7;
timeptr->tm_yday = offset + (wnum - 1) * 7 + timeptr->tm_wday - fday;
if (timeptr->tm_yday < 0) {
timeptr->tm_wday = fday;
timeptr->tm_yday = 0;
}
}
/*
*
*/
char *
strptime (const char *buf, const char *format, struct tm *timeptr)
{
char c;
for (; (c = *format) != '\0'; ++format) {
char *s;
int ret;
if (isspace (c)) {
while (isspace (*buf))
++buf;
} else if (c == '%' && format[1] != '\0') {
c = *++format;
if (c == 'E' || c == 'O')
c = *++format;
switch (c) {
case 'A' :
ret = match_string (&buf, full_weekdays);
if (ret < 0)
return NULL;
timeptr->tm_wday = ret;
break;
case 'a' :
ret = match_string (&buf, abb_weekdays);
if (ret < 0)
return NULL;
timeptr->tm_wday = ret;
break;
case 'B' :
ret = match_string (&buf, full_month);
if (ret < 0)
return NULL;
timeptr->tm_mon = ret;
break;
case 'b' :
case 'h' :
ret = match_string (&buf, abb_month);
if (ret < 0)
return NULL;
timeptr->tm_mon = ret;
break;
case 'C' :
ret = strtol (buf, &s, 10);
if (s == buf)
return NULL;
timeptr->tm_year = (ret * 100) - tm_year_base;
buf = s;
break;
case 'c' :
abort ();
case 'D' : /* %m/%d/%y */
s = strptime (buf, "%m/%d/%y", timeptr);
if (s == NULL)
return NULL;
buf = s;
break;
case 'd' :
case 'e' :
ret = strtol (buf, &s, 10);
if (s == buf)
return NULL;
timeptr->tm_mday = ret;
buf = s;
break;
case 'H' :
case 'k' :
ret = strtol (buf, &s, 10);
if (s == buf)
return NULL;
timeptr->tm_hour = ret;
buf = s;
break;
case 'I' :
case 'l' :
ret = strtol (buf, &s, 10);
if (s == buf)
return NULL;
if (ret == 12)
timeptr->tm_hour = 0;
else
timeptr->tm_hour = ret;
buf = s;
break;
case 'j' :
ret = strtol (buf, &s, 10);
if (s == buf)
return NULL;
timeptr->tm_yday = ret - 1;
buf = s;
break;
case 'm' :
ret = strtol (buf, &s, 10);
if (s == buf)
return NULL;
timeptr->tm_mon = ret - 1;
buf = s;
break;
case 'M' :
ret = strtol (buf, &s, 10);
if (s == buf)
return NULL;
timeptr->tm_min = ret;
buf = s;
break;
case 'n' :
if (*buf == '\n')
++buf;
else
return NULL;
break;
case 'p' :
ret = match_string (&buf, ampm);
if (ret < 0)
return NULL;
if (timeptr->tm_hour == 0) {
if (ret == 1)
timeptr->tm_hour = 12;
} else
timeptr->tm_hour += 12;
break;
case 'r' : /* %I:%M:%S %p */
s = strptime (buf, "%I:%M:%S %p", timeptr);
if (s == NULL)
return NULL;
buf = s;
break;
case 'R' : /* %H:%M */
s = strptime (buf, "%H:%M", timeptr);
if (s == NULL)
return NULL;
buf = s;
break;
case 'S' :
ret = strtol (buf, &s, 10);
if (s == buf)
return NULL;
timeptr->tm_sec = ret;
buf = s;
break;
case 't' :
if (*buf == '\t')
++buf;
else
return NULL;
break;
case 'T' : /* %H:%M:%S */
case 'X' :
s = strptime (buf, "%H:%M:%S", timeptr);
if (s == NULL)
return NULL;
buf = s;
break;
case 'u' :
ret = strtol (buf, &s, 10);
if (s == buf)
return NULL;
timeptr->tm_wday = ret - 1;
buf = s;
break;
case 'w' :
ret = strtol (buf, &s, 10);
if (s == buf)
return NULL;
timeptr->tm_wday = ret;
buf = s;
break;
case 'U' :
ret = strtol (buf, &s, 10);
if (s == buf)
return NULL;
set_week_number_sun (timeptr, ret);
buf = s;
break;
case 'V' :
ret = strtol (buf, &s, 10);
if (s == buf)
return NULL;
set_week_number_mon4 (timeptr, ret);
buf = s;
break;
case 'W' :
ret = strtol (buf, &s, 10);
if (s == buf)
return NULL;
set_week_number_mon (timeptr, ret);
buf = s;
break;
case 'x' :
s = strptime (buf, "%Y:%m:%d", timeptr);
if (s == NULL)
return NULL;
buf = s;
break;
case 'y' :
ret = strtol (buf, &s, 10);
if (s == buf)
return NULL;
if (ret < 70)
timeptr->tm_year = 100 + ret;
else
timeptr->tm_year = ret;
buf = s;
break;
case 'Y' :
ret = strtol (buf, &s, 10);
if (s == buf)
return NULL;
timeptr->tm_year = ret - tm_year_base;
buf = s;
break;
case 'Z' :
abort ();
case '\0' :
--format;
/* FALLTHROUGH */
case '%' :
if (*buf == '%')
++buf;
else
return NULL;
break;
default :
if (*buf == '%' || *++buf == c)
++buf;
else
return NULL;
break;
}
} else {
if (*buf == c)
++buf;
else
return NULL;
}
}
return (char *)buf;
}
source/lib/sysdep/os/win/wposix/wtime.h
-55
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@@ -1,55 +0,0 @@
/* Copyright (C) 2022 Wildfire Games.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* emulate POSIX high resolution timer on Windows.
*/
#ifndef INCLUDED_WTIME
#define INCLUDED_WTIME
//
// <sys/types.h>
//
typedef unsigned long useconds_t;
typedef long suseconds_t;
//
// <unistd.h>
//
unsigned sleep(unsigned sec);
int usleep(useconds_t us);
//
// <time.h>
//
extern int nanosleep(const struct timespec* rqtp, struct timespec* rmtp);
char* strptime(const char* buf, const char* format, struct tm* timeptr);
#endif // #ifndef INCLUDED_WTIME
source/lib/sysdep/os/win/wposix/wtime_internal.h
-33
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@@ -1,33 +0,0 @@
/* Copyright (C) 2010 Wildfire Games.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef INCLUDED_WTIME_INTERNAL
#define INCLUDED_WTIME_INTERNAL
// convert UTC FILETIME to seconds-since-1970 UTC.
// used by wfilesystem.
#ifndef _FILETIME_ // prevent ICE on VC7
struct _FILETIME;
#endif
extern time_t wtime_utc_filetime_to_time_t(_FILETIME* ft);
#endif // #ifndef INCLUDED_WTIME_INTERNAL
source/lib/timer.cpp
-1
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@@ -35,7 +35,6 @@
#include <sstream> // std::stringstream
#include "lib/module_init.h"
#include "lib/posix/posix_time.h"
#include "lib/sysdep/cpu.h"
#if OS_WIN