config.h.in
上传用户:blenddy
上传日期:2007-01-07
资源大小:6495k
文件大小:14k
- /* the purpose of this file is to reduce the use of #ifdef's through
- * the code base by those porting the software, and to facilitate the
- * eventual use of autoconf to build the server
- */
- #ifndef CONFIG_H
- #define CONFIG_H
- /*
- * Default runtime limit on number of backend server processes per postmaster;
- * this is just the default setting for the postmaster's -N switch.
- * (Actual value is set by configure script.)
- */
- #undef DEF_MAXBACKENDS
- /*
- * Hard limit on number of backend server processes per postmaster.
- * Increasing this costs about 32 bytes per process slot as of v 6.5.
- */
- #define MAXBACKENDS (DEF_MAXBACKENDS > 1024 ? DEF_MAXBACKENDS : 1024)
- /*
- * Default number of buffers in shared buffer pool (each of size BLCKSZ).
- * This is just the default setting for the postmaster's -B switch.
- * Perhaps it ought to be configurable from a configure switch.
- * NOTE: default setting corresponds to the minimum number of buffers
- * that postmaster.c will allow for the default MaxBackends value.
- */
- #define DEF_NBUFFERS (DEF_MAXBACKENDS > 8 ? DEF_MAXBACKENDS * 2 : 16)
- /*
- * Size of a disk block --- currently, this limits the size of a tuple.
- * You can set it bigger if you need bigger tuples.
- */
- /* currently must be <= 32k bjm */
- #define BLCKSZ 8192
- /*
- * RELSEG_SIZE is the maximum number of blocks allowed in one disk file.
- * Thus, the maximum size of a single file is RELSEG_SIZE * BLCKSZ;
- * relations bigger than that are divided into multiple files.
- *
- * CAUTION: RELSEG_SIZE * BLCKSZ must be less than your OS' limit on file
- * size. This is typically 2Gb or 4Gb in a 32-bit operating system. By
- * default, we make the limit 1Gb to avoid any possible integer-overflow
- * problems within the OS. A limit smaller than necessary only means we
- * divide a large relation into more chunks than necessary, so it seems
- * best to err in the direction of a small limit. (Besides, a power-of-2
- * value saves a few cycles in md.c.)
- *
- * CAUTION: you had best do an initdb if you change either BLCKSZ or
- * RELSEG_SIZE.
- */
- #define RELSEG_SIZE (0x40000000 / BLCKSZ)
- /* Set to 1 if you want to USE_LOCALE */
- #undef USE_LOCALE
- /* Set to 1 if you want CYR_RECODE (cyrillic recode) */
- #undef CYR_RECODE
- /* Set to 1 if you want to Enable ASSERT CHECKING */
- #undef USE_ASSERT_CHECKING
- /*
- * DEF_PGPORT is the TCP port number on which the Postmaster listens by
- * default. This can be overriden by command options, environment variables,
- * and the postconfig hook. (set by configure script)
- */
- #undef DEF_PGPORT
- /*
- * If you do not plan to use Host based authentication,
- * comment out the following line (set by build script)
- */
- #undef HBA
- /*
- * As soon as the backend blocks on a lock, it waits this number of seconds
- * before checking for a deadlock.
- * We don't check for deadlocks just before sleeping because a deadlock is
- * a rare event, and checking is an expensive operation.
- */
- #define DEADLOCK_CHECK_TIMER 1
- /*
- * This flag enables the use of indexes in plans generated for function
- * executions which normally are always executed with sequential scans.
- */
- #define INDEXSCAN_PATCH
- /*
- * Enables debugging print statements in the date/time support routines.
- * Particularly useful for porting to a new platform/OS combination.
- */
- /* #define DATEDEBUG */
- /*
- * defining unsafe floats's will make float4 and float8
- * ops faster at the cost of safety, of course!
- */
- /* #define UNSAFE_FLOATS */
- /*
- * There is a bug in the function executor. The backend crashes while trying to
- * execute an sql function containing an utility command (create, notify, ...).
- * The bug is part in the planner, which returns a number of plans different
- * than the number of commands if there are utility commands in the query, and
- * in part in the function executor which assumes that all commands are normal
- * query commands and causes a SIGSEGV trying to execute commands without plan.
- */
- #define FUNC_UTIL_PATCH
- /*
- * Define this to make libpgtcl's "pg_result -assign" command process C-style
- * backslash sequences in returned tuple data and convert Postgres array
- * attributes into Tcl lists. CAUTION: this conversion is *wrong* unless
- * you install the routines in contrib/string/string_io to make the backend
- * produce C-style backslash sequences in the first place.
- */
- /* #define TCL_ARRAYS */
- /*
- * The following flag allows copying tables from files with number of columns
- * different than the number of attributes setting missing attributes to NULL
- * and ignoring extra columns. This also avoids the shift of the attributes
- * of the rest of the file if one line has a wrong column count.
- */
- #define COPY_PATCH
- /*
- * User locks are handled totally on the application side as long term
- * cooperative locks which extend beyond the normal transaction boundaries.
- * Their purpose is to indicate to an application that someone is `working'
- * on an item. Define this flag to enable user locks. You will need the
- * loadable module user-locks.c to use this feature.
- */
- #define USER_LOCKS
- /* Genetic Query Optimization (GEQO):
- *
- * The GEQO module in PostgreSQL is intended for the solution of the
- * query optimization problem by means of a Genetic Algorithm (GA).
- * It allows the handling of large JOIN queries through non-exhaustive
- * search.
- * For further information see README.GEQO <utesch@aut.tu-freiberg.de>.
- */
- #define GEQO
- /*
- * Define this if you want psql to _always_ ask for a username and a password
- * for password authentication.
- */
- /* #define PSQL_ALWAYS_GET_PASSWORDS */
- /*
- * Define this if you want to allow the lo_import and lo_export SQL functions
- * to be executed by ordinary users. By default these functions are only
- * available to the Postgres superuser. CAUTION: these functions are
- * SECURITY HOLES since they can read and write any file that the Postgres
- * backend has permission to access. If you turn this on, don't say we
- * didn't warn you.
- */
- /* #define ALLOW_DANGEROUS_LO_FUNCTIONS */
- /*
- * Use btree bulkload code:
- * this code is moderately slow (~10% slower) compared to the regular
- * btree (insertion) build code on sorted or well-clustered data. on
- * random data, however, the insertion build code is unusable -- the
- * difference on a 60MB heap is a factor of 15 because the random
- * probes into the btree thrash the buffer pool.
- *
- * Great thanks to Paul M. Aoki (aoki@CS.Berkeley.EDU)
- */
- #define FASTBUILD /* access/nbtree/nbtsort.c */
- /*
- * TBL_FREE_CMD_MEMORY: free memory allocated for an user query inside
- * transaction block after this query is done.
- */
- #define TBL_FREE_CMD_MEMORY
- /*
- * ELOG_TIMESTAMPS: adds a timestamp with the following format to elog
- * messages: yymmdd.hh:mm:ss.mmm [pid] message
- */
- /* #define ELOG_TIMESTAMPS */
- /*
- * USE_SYSLOG: use syslog for elog and error messages printed by tprintf
- * and eprintf. This must be activated with the syslog flag in pg_options
- * (syslog=0 for stdio, syslog=1 for stdio+syslog, syslog=2 for syslog).
- * For information see backend/utils/misc/trace.c (Massimo Dal Zotto).
- */
- /* #define USE_SYSLOG */
- /* Debug #defines */
- /* #define IPORTAL_DEBUG */
- /* #define HEAPDEBUGALL */
- /* #define ISTRATDEBUG */
- /* #define FASTBUILD_DEBUG */
- /* #define ACLDEBUG */
- /* #define RTDEBUG */
- /* #define GISTDEBUG */
- /* #define OMIT_PARTIAL_INDEX */
- /* #define NO_BUFFERISVALID */
- /* #define NO_SECURITY */
- /* #define OLD_REWRITE */
- /*
- *------------------------------------------------------------------------
- * The following is set using configure.
- *------------------------------------------------------------------------
- */
- /* Set to 1 if you have <arpa/inet.h> */
- #undef HAVE_ARPA_INET_H
- /* Set to 1 if you have <crypt.h> */
- #undef HAVE_CRYPT_H
- /* Set to 1 if you have <dld.h> */
- #undef HAVE_DLD_H
- /* Set to 1 if you have <endian.h> */
- #undef HAVE_ENDIAN_H
- /* Set to 1 if you have <float.h> */
- #undef HAVE_FLOAT_H
- /* Set to 1 if you have <fp_class.h> */
- #undef HAVE_FP_CLASS_H
- /* Set to 1 if you have <getopt.h> */
- #undef HAVE_GETOPT_H
- /* Set to 1 if you have <history.h> */
- #undef HAVE_HISTORY_H
- /* Set to 1 if you have <ieeefp.h> */
- #undef HAVE_IEEEFP_H
- /* Set to 1 if you have <limits.h> */
- #undef HAVE_LIMITS_H
- /* Set to 1 if you have <netdb.h> */
- #undef HAVE_NETDB_H
- /* Set to 1 if you have <netinet/in.h> */
- #undef HAVE_NETINET_IN_H
- /* Set to 1 if you have <readline.h> */
- #undef HAVE_READLINE_H
- /* Set to 1 if you have <readline/history.h> */
- #undef HAVE_READLINE_HISTORY_H
- /* Set to 1 if you have <readline/readline.h> */
- #undef HAVE_READLINE_READLINE_H
- /* Set to 1 if you have <sys/select.h> */
- #undef HAVE_SYS_SELECT_H
- /* Set to 1 if you have <termios.h> */
- #undef HAVE_TERMIOS_H
- /* Set to 1 if you have <values.h> */
- #undef HAVE_VALUES_H
- /* Define if you have the ANSI C header files. */
- #undef STDC_HEADERS
- /* default path for the location of the odbcinst.ini file */
- #undef ODBCINST
- /* Define if you have the stricmp function. */
- #undef HAVE_STRICMP
- /* Set to 1 if you have libreadline and it includes history functions */
- #undef HAVE_HISTORY
- /*
- * Block of parameters for the ODBC code.
- */
- /* Set to 1 if you have <pwd.h> */
- #undef HAVE_PWD_H
- /* Define if you have the <sys/param.h> header file. */
- #undef HAVE_SYS_PARAM_H
- /* Define if you have the dl library (-ldl). */
- #undef HAVE_LIBDL
- /*
- * End parameters for ODBC code.
- */
- /* Set to 1 if you gettimeofday(a,b) vs gettimeofday(a) */
- #undef HAVE_GETTIMEOFDAY_2_ARGS
- #ifndef HAVE_GETTIMEOFDAY_2_ARGS
- # define gettimeofday(a,b) gettimeofday(a)
- #endif
- /* Set to 1 if you have snprintf() */
- #undef HAVE_SNPRINTF
- /* Set to 1 if you have strerror() */
- #undef HAVE_STRERROR
- /* Set to 1 if you have vsnprintf() */
- #undef HAVE_VSNPRINTF
- /*
- * Set to 1 if you have isinf().
- * These are all realated to port/isinf.c
- */
- #undef HAVE_FPCLASS
- #undef HAVE_FP_CLASS
- #undef HAVE_FP_CLASS_H
- #undef HAVE_FP_CLASS_D
- #undef HAVE_CLASS
- #undef HAVE_ISINF
- #ifndef HAVE_ISINF
- int isinf(double x);
- #endif
- /* Set to 1 if you have gethostname() */
- #undef HAVE_GETHOSTNAME
- #ifndef HAVE_GETHOSTNAME
- int gethostname(char *name, int namelen);
- #endif
- /* Set to 1 if struct tm has a tm_zone member */
- #undef HAVE_TM_ZONE
- /* Set to 1 if you have int timezone.
- * NOTE: if both tm_zone and a global timezone variable exist,
- * using the tm_zone field should probably be preferred,
- * since global variables are inherently not thread-safe.
- */
- #undef HAVE_INT_TIMEZONE
- /* Set to 1 if you have cbrt() */
- #undef HAVE_CBRT
- /* Set to 1 if you have inet_aton() */
- #undef HAVE_INET_ATON
- #ifndef HAVE_INET_ATON
- # ifdef HAVE_ARPA_INET_H
- # ifdef HAVE_NETINET_IN_H
- # include <sys/types.h>
- # include <netinet/in.h>
- # endif
- # include <arpa/inet.h>
- # endif
- extern int inet_aton(const char *cp, struct in_addr * addr);
- #endif
- /* Set to 1 if you have fcvt() */
- #undef HAVE_FCVT
- /* Set to 1 if you have rint() */
- #undef HAVE_RINT
- /* Set to 1 if you have memmove() */
- #undef HAVE_MEMMOVE
- /* Set to 1 if you have sigsetjmp() */
- #undef HAVE_SIGSETJMP
- /* Set to 1 if you have sysconf() */
- #undef HAVE_SYSCONF
- /* Set to 1 if you have getrusage() */
- #undef HAVE_GETRUSAGE
- /* Set to 1 if you have waitpid() */
- #undef HAVE_WAITPID
- /* Set to 1 if you have setsid() */
- #undef HAVE_SETSID
- /* Set to 1 if you have sigprocmask() */
- #undef HAVE_SIGPROCMASK
- /* Set to 1 if you have sigprocmask() */
- #undef HAVE_STRCASECMP
- #ifndef HAVE_STRCASECMP
- extern int strcasecmp(char *s1, char *s2);
- #endif
- /* Set to 1 if you have strtol() */
- #undef HAVE_STRTOL
- /* Set to 1 if you have strtoul() */
- #undef HAVE_STRTOUL
- /* Set to 1 if you have strdup() */
- #undef HAVE_STRDUP
- #ifndef HAVE_STRDUP
- extern char *strdup(char const *);
- #endif
- /* Set to 1 if you have random() */
- #undef HAVE_RANDOM
- #ifndef HAVE_RANDOM
- extern long random(void);
- #endif
- /* Set to 1 if you have srandom() */
- #undef HAVE_SRANDOM
- #ifndef HAVE_SRANDOM
- extern void srandom(unsigned int seed);
- #endif
- /* Set to 1 if you have libreadline.a */
- #undef HAVE_LIBREADLINE
- /* Set to 1 if you have libhistory.a */
- #undef HAVE_LIBHISTORY
- /*
- * On architectures for which we have not implemented spinlocks (or
- * cannot do so), we use System V semaphores. We also use them for
- * long locks. For some reason union semun is never defined in the
- * System V header files so we must do it ourselves.
- */
- /* Set to 1 if you have union semun */
- #undef HAVE_UNION_SEMUN
- /* Set to 1 if you have F_SETLK option for fcntl() */
- #undef HAVE_FCNTL_SETLK
- /* Set to 1 if type "long int" works and is 64 bits */
- #undef HAVE_LONG_INT_64
- /* Set to 1 if type "long long int" works and is 64 bits */
- #undef HAVE_LONG_LONG_INT_64
- /* Define this as the appropriate snprintf format for 64-bit ints, if any */
- #undef INT64_FORMAT
- /* These must be defined as the alignment requirement (NOT the size) of
- * each of the basic C data types (except char, which we assume has align 1).
- * MAXIMUM_ALIGNOF is the largest alignment requirement for any C data type.
- * ALIGNOF_LONG_LONG_INT need only be defined if HAVE_LONG_LONG_INT_64 is.
- */
- #undef ALIGNOF_SHORT
- #undef ALIGNOF_INT
- #undef ALIGNOF_LONG
- #undef ALIGNOF_LONG_LONG_INT
- #undef ALIGNOF_DOUBLE
- #undef MAXIMUM_ALIGNOF
- /* Define const as empty if your compiler doesn't grok const. */
- #undef const
- /* Define as your compiler's spelling of "inline", or empty if no inline. */
- #undef inline
- /* Define signed as empty if your compiler doesn't grok "signed char" etc */
- #undef signed
- /* Define volatile as empty if your compiler doesn't grok volatile. */
- #undef volatile
- /* Define if your cpp understands the ANSI stringizing operators in macros */
- #undef HAVE_STRINGIZE
- /* Define as the base type of the last arg to accept */
- #undef SOCKET_SIZE_TYPE
- /* Define if POSIX signal interface is available */
- #undef USE_POSIX_SIGNALS
- /*
- * Pull in OS-specific declarations (using link created by configure)
- */
- #include "os.h"
- /*
- * The following is used as the arg list for signal handlers. Any ports
- * that take something other than an int argument should change this in
- * the port specific makefile. Note that variable names are required
- * because it is used in both the prototypes as well as the definitions.
- * Note also the long name. We expect that this won't collide with
- * other names causing compiler warnings.
- */
- #ifndef SIGNAL_ARGS
- # define SIGNAL_ARGS int postgres_signal_arg
- #endif
- #endif /* CONFIG_H */