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Diffstat (limited to 'db2/os/os_config.c')
-rw-r--r--db2/os/os_config.c120
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);
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-10 09:25:30 +0000