/* 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 use multibyte characters */ #undef MULTIBYTE /* 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 /* * Maximum number of columns in an index and maximum number of arguments * to a function. They must be the same value. * * The minimum value is 9 (btree index creation has a 9-argument function). * * There is no maximum value, though if you want to pass more than 32 * arguments to a function, you will have to modify * pgsql/src/backend/utils/fmgr/fmgr.c and add additional entries * to the 'case' statement for the additional arguments. */ #define INDEX_MAX_KEYS 16 #define FUNC_MAX_ARGS INDEX_MAX_KEYS /* * 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 */ /* * 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 . */ #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 */ /* * MAXPGPATH: standard size of a pathname buffer in Postgres (hence, * maximum usable pathname length is one less). * * We'd use a standard system header symbol for this, if there weren't * so many to choose from: MAXPATHLEN, _POSIX_PATH_MAX, MAX_PATH, PATH_MAX * are all defined by different "standards", and often have different * values on the same platform! So we just punt and use a reasonably * generous setting here. */ #define MAXPGPATH 1024 /* *------------------------------------------------------------------------ * The following is set using configure. *------------------------------------------------------------------------ */ /* Set to 1 if you have */ #undef HAVE_ARPA_INET_H /* Set to 1 if you have */ #undef HAVE_CRYPT_H /* Set to 1 if you have */ #undef HAVE_DLD_H /* Set to 1 if you have */ #undef HAVE_ENDIAN_H /* Set to 1 if you have */ #undef HAVE_FLOAT_H /* Set to 1 if you have */ #undef HAVE_FP_CLASS_H /* Set to 1 if you have */ #undef HAVE_GETOPT_H /* Set to 1 if you have */ #undef HAVE_HISTORY_H /* Set to 1 if you have */ #undef HAVE_IEEEFP_H /* Set to 1 if you have */ #undef HAVE_LIMITS_H /* Set to 1 if you have */ #undef HAVE_NETDB_H /* Set to 1 if you have */ #undef HAVE_NETINET_IN_H /* Set to 1 if you have */ #undef HAVE_READLINE_H /* Set to 1 if you have */ #undef HAVE_READLINE_HISTORY_H /* Set to 1 if you have */ #undef HAVE_READLINE_READLINE_H /* Set to 1 if you have */ #undef HAVE_SYS_SELECT_H /* Set to 1 if you have */ #undef HAVE_TERMIOS_H /* Set to 1 if you have */ #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_IN_READLINE /* * Block of parameters for the ODBC code. */ /* Set to 1 if you have */ #undef HAVE_PWD_H /* Define if you have the 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() in the C library */ #undef HAVE_SNPRINTF /* Set to 1 if your standard system headers declare snprintf() */ #undef HAVE_SNPRINTF_DECL /* Set to 1 if you have vsnprintf() in the C library */ #undef HAVE_VSNPRINTF /* Set to 1 if your standard system headers declare vsnprintf() */ #undef HAVE_VSNPRINTF_DECL /* Set to 1 if you have strerror() */ #undef HAVE_STRERROR /* * Set to 1 if you have isinf(). * These are all related 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 # include # endif # include # 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 finite() */ #undef HAVE_FINITE /* 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 /* Set to 1 if your libreadline defines rl_completion_append_character */ #undef HAVE_RL_COMPLETION_APPEND_CHARACTER /* Set to 1 if you have getopt_long() (GNU long options) */ #undef HAVE_GETOPT_LONG /* * 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 */