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Commit1d57374

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Use poll(2) in preference to select(2), if available. This solves
problems in applications that may have a large number of files open,such that libpq's socket number exceeds the range supported by fd_set.From Chris Brown.
1 parent235d5fa commit1d57374

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4 files changed

+167
-125
lines changed

4 files changed

+167
-125
lines changed

‎configure

Lines changed: 5 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -6888,7 +6888,9 @@ done
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forac_headerin crypt.h dld.h endian.h fp_class.h getopt.h ieeefp.h pwd.h sys/ipc.h sys/pstat.h sys/select.h sys/sem.h sys/socket.h sys/shm.h sys/un.h termios.h utime.h kernel/OS.h kernel/image.h SupportDefs.h
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forac_headerin crypt.h dld.h endian.h fp_class.h getopt.h ieeefp.h poll.h pwd.h sys/ipc.h sys/poll.h sys/pstat.h sys/select.h sys/sem.h sys/socket.h sys/shm.h sys/un.h termios.h utime.h kernel/OS.h kernel/image.h SupportDefs.h
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do
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as_ac_Header=`echo"ac_cv_header_$ac_header"|$as_tr_sh`
68946896
ifeval"test\"\${$as_ac_Header+set}\" = set";then
@@ -10175,7 +10177,8 @@ test $ac_cv_func_memcmp_working = no && LIBOBJS="$LIBOBJS memcmp.$ac_objext"
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forac_funcin cbrt fcvt getpeereid memmove pstat setproctitle setsid sigprocmask sysconf waitpid dlopen fdatasync utime utimes
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forac_funcin cbrt dlopen fcvt fdatasync getpeereid memmove poll pstat setproctitle setsid sigprocmask sysconf utime utimes waitpid
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do
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as_ac_var=`echo"ac_cv_func_$ac_func"|$as_tr_sh`
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echo"$as_me:$LINENO: checking for$ac_func">&5

‎configure.in

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
11
dnl Process this file with autoconf to produce a configure script.
2-
dnl $Header: /cvsroot/pgsql/configure.in,v 1.237 2003/02/19 04:04:04 momjian Exp $
2+
dnl $Header: /cvsroot/pgsql/configure.in,v 1.238 2003/03/06 03:16:55 tgl Exp $
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dnl
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dnl Developers, please strive to achieve this order:
55
dnl
@@ -675,7 +675,7 @@ fi
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##
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dnl sys/socket.h is required by AC_FUNC_ACCEPT_ARGTYPES
678-
AC_CHECK_HEADERS([crypt.h dld.h endian.h fp_class.h getopt.h ieeefp.h pwd.h sys/ipc.h sys/pstat.h sys/select.h sys/sem.h sys/socket.h sys/shm.h sys/un.h termios.h utime.h kernel/OS.h kernel/image.h SupportDefs.h])
678+
AC_CHECK_HEADERS([crypt.h dld.h endian.h fp_class.h getopt.h ieeefp.hpoll.hpwd.h sys/ipc.h sys/poll.h sys/pstat.h sys/select.h sys/sem.h sys/socket.h sys/shm.h sys/un.h termios.h utime.h kernel/OS.h kernel/image.h SupportDefs.h])
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# At least on IRIX, cpp test for netinet/tcp.h will fail unless
681681
# netinet/in.h is included first.
@@ -786,7 +786,7 @@ PGAC_FUNC_GETTIMEOFDAY_1ARG
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# SunOS doesn't handle negative byte comparisons properly with +/- return
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AC_FUNC_MEMCMP
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789-
AC_CHECK_FUNCS([cbrt fcvt getpeereid memmove pstat setproctitle setsid sigprocmask sysconfwaitpid dlopen fdatasyncutime utimes])
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AC_CHECK_FUNCS([cbrtdlopenfcvtfdatasyncgetpeereid memmovepollpstat setproctitle setsid sigprocmask sysconf utime utimes waitpid])
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AC_CHECK_DECLS(fdatasync, [], [], [#include <unistd.h>])
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‎src/include/pg_config.h.in

Lines changed: 13 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
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* or in pg_config.h afterwards. Of course, if you edit pg_config.h, then your
99
* changes will be overwritten the next time you run configure.
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*
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* $Id: pg_config.h.in,v 1.40 2003/02/19 04:04:04 momjian Exp $
11+
* $Id: pg_config.h.in,v 1.41 2003/03/06 03:16:55 tgl Exp $
1212
*/
1313

1414
#ifndefPG_CONFIG_H
@@ -341,6 +341,12 @@
341341
/* Set to 1 if you have <ieeefp.h> */
342342
#undef HAVE_IEEEFP_H
343343

344+
/* Set to 1 if you have <poll.h> */
345+
#undef HAVE_POLL_H
346+
347+
/* Set to 1 if you have <sys/poll.h> */
348+
#undef HAVE_SYS_POLL_H
349+
344350
/* Set to 1 if you have <netinet/tcp.h> */
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#undef HAVE_NETINET_TCP_H
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@@ -649,16 +655,19 @@
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/* Define if you have on_exit() */
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#undef HAVE_ON_EXIT
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658+
/* Define if you have syslog() */
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#undef HAVE_SYSLOG
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661+
/* Define if you have poll() */
662+
#undef HAVE_POLL
663+
652664
/* Define if the corresponding types are defined in standard headers */
653665
#undef HAVE_INT8
654666
#undef HAVE_UINT8
655667
#undef HAVE_INT64
656668
#undef HAVE_UINT64
657669
#undef HAVE_SIG_ATOMIC_T
658670

659-
/* Define if you have syslog() */
660-
#undef HAVE_SYSLOG
661-
662671
/* Define exactly one of these symbols to select semaphore implementation */
663672
#undef USE_NAMED_POSIX_SEMAPHORES
664673
#undef USE_UNNAMED_POSIX_SEMAPHORES

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