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Commit481c8e9

Browse files
committed
Assume that we have utime() and <utime.h>.
These are required by POSIX since SUSv2, and no live platforms failto provide them. On Windows, utime() exists and we bring our own<utime.h>, so we're good there too. So remove the configure probesand ad-hoc substitute code. We don't need to check for utimes()anymore either, since that was only used as a substitute.In passing, make the Windows build include <sys/utime.h> only wherewe need it, not everywhere.This is part of a series of commits to get rid of no-longer-relevantconfigure checks and dead src/port/ code. I'm committing them separatelyto make it easier to back out individual changes if they prove lessportable than I expect.Discussion:https://postgr.es/m/15379.1582221614@sss.pgh.pa.us
1 parentf88a058 commit481c8e9

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8 files changed

+8
-59
lines changed

8 files changed

+8
-59
lines changed

‎configure

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -12762,7 +12762,7 @@ $as_echo "#define HAVE_STDBOOL_H 1" >>confdefs.h
1276212762
fi
1276312763

1276412764

12765-
for ac_header in atomic.h copyfile.h execinfo.h getopt.h ifaddrs.h langinfo.h mbarrier.h poll.h sys/epoll.h sys/event.h sys/ipc.h sys/prctl.h sys/procctl.h sys/pstat.h sys/resource.h sys/select.h sys/sem.h sys/shm.h sys/sockio.h sys/tas.h sys/un.h termios.h ucred.hutime.hwchar.h wctype.h
12765+
for ac_header in atomic.h copyfile.h execinfo.h getopt.h ifaddrs.h langinfo.h mbarrier.h poll.h sys/epoll.h sys/event.h sys/ipc.h sys/prctl.h sys/procctl.h sys/pstat.h sys/resource.h sys/select.h sys/sem.h sys/shm.h sys/sockio.h sys/tas.h sys/un.h termios.h ucred.h wchar.h wctype.h
1276612766
do :
1276712767
as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
1276812768
ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
@@ -14925,7 +14925,7 @@ fi
1492514925
LIBS_including_readline="$LIBS"
1492614926
LIBS=`echo "$LIBS" | sed -e 's/-ledit//g' -e 's/-lreadline//g'`
1492714927

14928-
for ac_func in backtrace_symbols clock_gettime copyfile fdatasync getifaddrs getpeerucred getrlimit kqueue mbstowcs_l memset_s poll posix_fallocate ppoll pstat pthread_is_threaded_np readlink setproctitle setproctitle_fast setsid shm_open strchrnul strsignal symlink sync_file_range uselocaleutime utimeswcstombs_l
14928+
for ac_func in backtrace_symbols clock_gettime copyfile fdatasync getifaddrs getpeerucred getrlimit kqueue mbstowcs_l memset_s poll posix_fallocate ppoll pstat pthread_is_threaded_np readlink setproctitle setproctitle_fast setsid shm_open strchrnul strsignal symlink sync_file_range uselocale wcstombs_l
1492914929
do :
1493014930
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
1493114931
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"

‎configure.in

Lines changed: 0 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1300,7 +1300,6 @@ AC_CHECK_HEADERS(m4_normalize([
13001300
sys/un.h
13011301
termios.h
13021302
ucred.h
1303-
utime.h
13041303
wchar.h
13051304
wctype.h
13061305
]))
@@ -1642,8 +1641,6 @@ AC_CHECK_FUNCS(m4_normalize([
16421641
symlink
16431642
sync_file_range
16441643
uselocale
1645-
utime
1646-
utimes
16471644
wcstombs_l
16481645
]))
16491646

‎src/backend/libpq/pqcomm.c

Lines changed: 2 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -81,9 +81,7 @@
8181
#ifdefHAVE_NETINET_TCP_H
8282
#include<netinet/tcp.h>
8383
#endif
84-
#ifdefHAVE_UTIME_H
8584
#include<utime.h>
86-
#endif
8785
#ifdef_MSC_VER/* mstcpip.h is missing on mingw */
8886
#include<mstcpip.h>
8987
#endif
@@ -866,20 +864,8 @@ TouchSocketFiles(void)
866864
{
867865
char*sock_path= (char*)lfirst(l);
868866

869-
/*
870-
* utime() is POSIX standard, utimes() is a common alternative. If we
871-
* have neither, there's no way to affect the mod or access time of
872-
* the socket :-(
873-
*
874-
* In either path, we ignore errors; there's no point in complaining.
875-
*/
876-
#ifdefHAVE_UTIME
877-
utime(sock_path,NULL);
878-
#else/* !HAVE_UTIME */
879-
#ifdefHAVE_UTIMES
880-
utimes(sock_path,NULL);
881-
#endif/* HAVE_UTIMES */
882-
#endif/* HAVE_UTIME */
867+
/* Ignore errors; there's no point in complaining */
868+
(void)utime(sock_path,NULL);
883869
}
884870
}
885871

‎src/backend/utils/init/miscinit.c

Lines changed: 2 additions & 25 deletions
Original file line numberDiff line numberDiff line change
@@ -26,9 +26,7 @@
2626
#include<pwd.h>
2727
#include<netinet/in.h>
2828
#include<arpa/inet.h>
29-
#ifdefHAVE_UTIME_H
3029
#include<utime.h>
31-
#endif
3230

3331
#include"access/htup_details.h"
3432
#include"catalog/pg_authid.h"
@@ -1213,29 +1211,8 @@ TouchSocketLockFiles(void)
12131211
if (strcmp(socketLockFile,DIRECTORY_LOCK_FILE)==0)
12141212
continue;
12151213

1216-
/*
1217-
* utime() is POSIX standard, utimes() is a common alternative; if we
1218-
* have neither, fall back to actually reading the file (which only
1219-
* sets the access time not mod time, but that should be enough in
1220-
* most cases). In all paths, we ignore errors.
1221-
*/
1222-
#ifdefHAVE_UTIME
1223-
utime(socketLockFile,NULL);
1224-
#else/* !HAVE_UTIME */
1225-
#ifdefHAVE_UTIMES
1226-
utimes(socketLockFile,NULL);
1227-
#else/* !HAVE_UTIMES */
1228-
intfd;
1229-
charbuffer[1];
1230-
1231-
fd=open(socketLockFile,O_RDONLY |PG_BINARY,0);
1232-
if (fd >=0)
1233-
{
1234-
read(fd,buffer,sizeof(buffer));
1235-
close(fd);
1236-
}
1237-
#endif/* HAVE_UTIMES */
1238-
#endif/* HAVE_UTIME */
1214+
/* we just ignore any error here */
1215+
(void)utime(socketLockFile,NULL);
12391216
}
12401217
}
12411218

‎src/include/pg_config.h.in

Lines changed: 0 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -662,15 +662,6 @@
662662
/* Define to 1 if you have the `uselocale' function. */
663663
#undef HAVE_USELOCALE
664664

665-
/* Define to 1 if you have the `utime' function. */
666-
#undef HAVE_UTIME
667-
668-
/* Define to 1 if you have the `utimes' function. */
669-
#undef HAVE_UTIMES
670-
671-
/* Define to 1 if you have the <utime.h> header file. */
672-
#undef HAVE_UTIME_H
673-
674665
/* Define to 1 if you have BSD UUID support. */
675666
#undef HAVE_UUID_BSD
676667

‎src/include/port/win32_msvc/utime.h

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1 +1,3 @@
11
/* src/include/port/win32_msvc/utime.h */
2+
3+
#include<sys/utime.h>/* for non-unicode version */

‎src/include/port/win32_port.h

Lines changed: 0 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -50,7 +50,6 @@
5050
#include<process.h>
5151
#include<signal.h>
5252
#include<direct.h>
53-
#include<sys/utime.h>/* for non-unicode version */
5453
#undef near
5554
#include<sys/stat.h>/* needed before sys/stat hacking below */
5655

‎src/tools/msvc/Solution.pm

Lines changed: 0 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -390,9 +390,6 @@ sub GenerateFiles
390390
HAVE_UNIX_SOCKETS=>undef,
391391
HAVE_UNSETENV=>undef,
392392
HAVE_USELOCALE=>undef,
393-
HAVE_UTIME=> 1,
394-
HAVE_UTIMES=>undef,
395-
HAVE_UTIME_H=> 1,
396393
HAVE_UUID_BSD=>undef,
397394
HAVE_UUID_E2FS=>undef,
398395
HAVE_UUID_OSSP=>undef,

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