diff options
Diffstat (limited to 'db2/os/os_config.c')
| -rw-r--r-- | db2/os/os_config.c | 120 |
1 files changed, 66 insertions, 54 deletions
diff --git a/db2/os/os_config.c b/db2/os/os_config.c index 7a89ba58ab..4150c843e4 100644 --- a/db2/os/os_config.c +++ b/db2/os/os_config.c @@ -1,14 +1,14 @@ /*- * See the file LICENSE for redistribution information. * - * Copyright (c) 1997 + * Copyright (c) 1997, 1998 * Sleepycat Software. All rights reserved. */ #include "config.h" #ifndef lint -static const char sccsid[] = "@(#)os_config.c 10.12 (Sleepycat) 1/8/98"; +static const char sccsid[] = "@(#)os_config.c 10.26 (Sleepycat) 5/23/98"; #endif /* not lint */ #ifndef NO_SYSTEM_INCLUDES @@ -20,22 +20,6 @@ static const char sccsid[] = "@(#)os_config.c 10.12 (Sleepycat) 1/8/98"; #include "db_int.h" /* - * __os_oldwin -- - * Return if Windows 95 (as opposed to Windows NT). - * - * PUBLIC: int __os_oldwin __P((void)); - */ -int -__os_oldwin() -{ -#ifdef _WIN32 - return ((GetVersion() & 0x80000000) != 0); -#else - return (0); -#endif -} - -/* * XXX * We provide our own extern declarations so that we don't collide with * systems that get them wrong, e.g., SunOS. @@ -47,13 +31,20 @@ __os_oldwin() #define imported #endif +/* + * XXX + * HP/UX MPE doesn't have fsync, but you can build one using FCONTROL. + */ +#ifdef __hp3000s900 +#define fsync __mpe_fsync +#endif + imported extern int close __P((int)); imported extern void free __P((void *)); imported extern int fsync __P((int)); imported extern void *malloc __P((size_t)); imported extern int open __P((const char *, int, ...)); imported extern ssize_t read __P((int, void *, size_t)); -imported extern char *strdup __P((const char *)); imported extern void *realloc __P((void *, size_t)); imported extern int unlink __P((const char *)); imported extern ssize_t write __P((int, const void *, size_t)); @@ -63,7 +54,7 @@ imported extern ssize_t write __P((int, const void *, size_t)); * This list of interfaces that applications can replace. In some * cases, the user is permitted to replace the standard ANSI C or * POSIX 1003.1 call, e.g., malloc or read. In others, we provide - * a local interface to the functionality, e.g., __os_map. + * a local interface to the functionality, e.g., __os_ioinfo. */ struct __db_jumptab __db_jump = { close, /* DB_FUNC_CLOSE */ @@ -74,20 +65,26 @@ struct __db_jumptab __db_jump = { fsync, /* DB_FUNC_FSYNC */ __os_ioinfo, /* DB_FUNC_IOINFO */ malloc, /* DB_FUNC_MALLOC */ - __os_map, /* DB_FUNC_MAP */ + NULL, /* DB_FUNC_MAP */ open, /* DB_FUNC_OPEN */ read, /* DB_FUNC_READ */ realloc, /* DB_FUNC_REALLOC */ + NULL, /* DB_FUNC_RUNLINK */ __os_seek, /* DB_FUNC_SEEK */ __os_sleep, /* DB_FUNC_SLEEP */ - strdup, /* DB_FUNC_STRDUP */ unlink, /* DB_FUNC_UNLINK */ - __os_unmap, /* DB_FUNC_UNMAP */ + NULL, /* DB_FUNC_UNMAP */ write, /* DB_FUNC_WRITE */ NULL /* DB_FUNC_YIELD */ }; -int __db_tsl_spins; /* DB_TSL_SPINS */ +DB_GLOBALS __db_global_values = { + 1, /* DB_MUTEXLOCKS */ + 0, /* DB_REGION_ANON, DB_REGION_NAME */ + 0, /* DB_REGION_INIT */ + 0, /* DB_TSL_SPINS */ + 0 /* DB_PAGEYIELD */ +}; /* * db_jump_set -- @@ -99,74 +96,68 @@ db_jump_set(func, which) int which; { switch (which) { - case DB_FUNC_CALLOC: - /* - * XXX - * Obsolete, calloc is no longer called by DB. - */ - break; case DB_FUNC_CLOSE: - __db_jump.db_close = (int (*) __P((int)))func; + __db_jump.j_close = (int (*) __P((int)))func; break; case DB_FUNC_DIRFREE: - __db_jump.db_dirfree = (void (*) __P((char **, int)))func; + __db_jump.j_dirfree = (void (*) __P((char **, int)))func; break; case DB_FUNC_DIRLIST: - __db_jump.db_dirlist = + __db_jump.j_dirlist = (int (*) __P((const char *, char ***, int *)))func; break; case DB_FUNC_EXISTS: - __db_jump.db_exists = (int (*) __P((const char *, int *)))func; + __db_jump.j_exists = (int (*) __P((const char *, int *)))func; break; case DB_FUNC_FREE: - __db_jump.db_free = (void (*) __P((void *)))func; + __db_jump.j_free = (void (*) __P((void *)))func; break; case DB_FUNC_FSYNC: - __db_jump.db_fsync = (int (*) __P((int)))func; + __db_jump.j_fsync = (int (*) __P((int)))func; break; case DB_FUNC_IOINFO: - __db_jump.db_ioinfo = (int (*) __P((const char *, + __db_jump.j_ioinfo = (int (*) __P((const char *, int, u_int32_t *, u_int32_t *, u_int32_t *)))func; break; case DB_FUNC_MALLOC: - __db_jump.db_malloc = (void *(*) __P((size_t)))func; + __db_jump.j_malloc = (void *(*) __P((size_t)))func; break; case DB_FUNC_MAP: - __db_jump.db_map = - (int (*) __P((int, size_t, int, int, void **)))func; + __db_jump.j_map = (int (*) + __P((char *, int, size_t, int, int, int, void **)))func; break; case DB_FUNC_OPEN: - __db_jump.db_open = (int (*) __P((const char *, int, ...)))func; + __db_jump.j_open = (int (*) __P((const char *, int, ...)))func; break; case DB_FUNC_READ: - __db_jump.db_read = + __db_jump.j_read = (ssize_t (*) __P((int, void *, size_t)))func; break; case DB_FUNC_REALLOC: - __db_jump.db_realloc = (void *(*) __P((void *, size_t)))func; + __db_jump.j_realloc = (void *(*) __P((void *, size_t)))func; + break; + case DB_FUNC_RUNLINK: + __db_jump.j_runlink = (int (*) __P((char *)))func; break; case DB_FUNC_SEEK: - __db_jump.db_seek = - (int (*) __P((int, size_t, db_pgno_t, u_long, int)))func; + __db_jump.j_seek = (int (*) + __P((int, size_t, db_pgno_t, u_int32_t, int, int)))func; break; case DB_FUNC_SLEEP: - __db_jump.db_sleep = (int (*) __P((u_long, u_long)))func; - break; - case DB_FUNC_STRDUP: - __db_jump.db_strdup = (char *(*) __P((const char *)))func; + __db_jump.j_sleep = (int (*) __P((u_long, u_long)))func; break; case DB_FUNC_UNLINK: - __db_jump.db_unlink = (int (*) __P((const char *)))func; + __db_jump.j_unlink = (int (*) __P((const char *)))func; break; case DB_FUNC_UNMAP: - __db_jump.db_unmap = (int (*) __P((void *, size_t)))func; + __db_jump.j_unmap = (int (*) __P((void *, size_t)))func; break; case DB_FUNC_WRITE: - __db_jump.db_write = + __db_jump.j_write = (ssize_t (*) __P((int, const void *, size_t)))func; break; case DB_FUNC_YIELD: - __db_jump.db_yield = (int (*) __P((void)))func; + __db_jump.j_yield = (int (*) __P((void)))func; break; default: return (EINVAL); @@ -182,11 +173,32 @@ int db_value_set(value, which) int value, which; { + int ret; + switch (which) { + case DB_MUTEXLOCKS: + DB_GLOBAL(db_mutexlocks) = value; + break; + case DB_PAGEYIELD: + DB_GLOBAL(db_pageyield) = value; + break; + case DB_REGION_ANON: + if (value != 0 && (ret = __db_mapanon_ok(0)) != 0) + return (ret); + DB_GLOBAL(db_region_anon) = value; + break; + case DB_REGION_INIT: + DB_GLOBAL(db_region_init) = value; + break; + case DB_REGION_NAME: + if (value != 0 && (ret = __db_mapanon_ok(1)) != 0) + return (ret); + DB_GLOBAL(db_region_anon) = value; + break; case DB_TSL_SPINS: if (value <= 0) return (EINVAL); - __db_tsl_spins = value; + DB_GLOBAL(db_tsl_spins) = value; break; default: return (EINVAL); |