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authorUlrich Drepper <drepper@redhat.com>1997-12-01 17:16:22 +0000
committerUlrich Drepper <drepper@redhat.com>1997-12-01 17:16:22 +0000
commit04be94a87d0a74c022490db7f4f926253f0d69d3 (patch)
treeaed47130338b81c2af8e92849ed1429596adeca3 /db2/os
parentf4017d205738b913f1002433cde5d4b4e93fbd81 (diff)
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1997-12-01 17:27 Ulrich Drepper <drepper@cygnus.com> * Makefile (subdirs): Add iconvdata and localedata. * iconv/gconv.h: Define UNKNOWN_10646_CHAR as error value. * iconv/gconv_conf.c (read_conf_file): Little optimization. * iconvdata/8bit-gap.c: New file. * iconvdata/8bit-generic.c: Renamed from ... * iconvdata/iso8859-generic.c: ...this. * iconvdata/configure: Removed. * iconvdata/Makefile: Add new modules and better rules. * iconvdata/iso6937.c: Minor bug fixes. * iconvdata/iso8859-1.c: Likewise. * iconvdata/t61.c: Likewise. * iconvdata/iso8859-2.c: Change to use 8bit-generic.c. Minor bug fixes. * iconvdata/iso8859-3.c: Likewise. * iconvdata/iso8859-4.c: Likewise. * iconvdata/iso8859-5.c: Likewise. * iconvdata/iso8859-6.c: Likewise. * iconvdata/iso8859-7.c: Likewise. * iconvdata/iso8859-8.c: Likewise. * iconvdata/iso8859-9.c: Likewise. * iconvdata/iso8859-10.c: Likewise. * iconvdata/ebcdic-at-de-a.c: New file. * iconvdata/ebcdic-at-de.c: New file. * iconvdata/ebcdic-ca-fr.c: New file. * iconvdata/hp-roman8.c: New file. * iconvdata/koi-8.c: New file. * iconvdata/koi8-r.c: New file. * iconvdata/koi8-h.c: New file. * iconvdata/latin-greek-1.c: New file. * iconvdata/latin-greek-1.h: New file. * iconvdata/latin-greek.c: New file. * iconvdata/latin-greek.h: New file. * iconvdata/jis0201.c: New file. * iconvdata/jis0201.h: New file. * iconvdata/jis0208.c: New file. * iconvdata/jis0208.h: New file. * iconvdata/jis0212.c: New file. * iconvdata/jis0212.h: New file. * iconvdata/sjis.c: New file. * iconvdata/gap.pl: New file. Script to generate table header. * iconvdata/gaptab.pl: New file. * iconvdata/gconv-modules: Add info about new modules. * locale/programs/charmap.c: Also examine alias names given in charmap files. * localedata/*: Add to here from add-on. We need the information to generate tables for iconv. Update from db-2.3.14. * db2/Makefile: Updated. * db2/config.h: Likewise. * db2/db.h: Likewise. * db2/db_int.h: Likewise. * db2/btree/bt_cursor.c: Likewise. * db2/btree/bt_delete.c: Likewise. * db2/btree/bt_put.c: Likewise. * db2/btree/bt_search.c: Likewise. * db2/btree/bt_split.c: Likewise. * db2/btree/btree_auto.c: Likewise. * db2/common/db_appinit.c: Likewise. * db2/common/db_apprec.c: Likewise. * db2/common/db_err.c: Likewise. * db2/common/db_region.c: Likewise. * db2/db/db_auto.c: Likewise. * db2/db/db_dispatch.c: Likewise. * db2/db/db_ret.c: Likewise. * db2/dbm/dbm.c: Likewise. * db2/hash/hash_auto.c: Likewise. * db2/include/btree_ext.h: Likewise. * db2/include/common_ext.h: Likewise. * db2/include/db.h.src: Likewise. * db2/include/db_cxx.h: Likewise. * db2/include/db_ext.h: Likewise. * db2/include/db_int.h.src: Likewise. * db2/include/lock.h: Likewise. * db2/include/log.h: Likewise. * db2/include/mp.h: Likewise. * db2/include/mp_ext.h: Likewise. * db2/include/os_ext.h: Likewise. * db2/include/os_func.h: Likewise. * db2/lock/lock.c: Likewise. * db2/lock/lock_deadlock.c: Likewise. * db2/log/log.c: Likewise. * db2/log/log_archive.c: Likewise. * db2/log/log_auto.c: Likewise. * db2/log/log_get.c: Likewise. * db2/log/log_put.c: Likewise. * db2/mp/mp_bh.c: Likewise. * db2/mp/mp_fget.c: Likewise. * db2/mp/mp_fopen.c: Likewise. * db2/mp/mp_fput.c: Likewise. * db2/mp/mp_fset.c: Likewise. * db2/mp/mp_open.c: Likewise. * db2/mp/mp_pr.c: Likewise. * db2/mp/mp_region.c: Likewise. * db2/mp/mp_sync.c: Likewise. * db2/mutex/README: Likewise. * db2/mutex/mutex.c: Likewise. * db2/os/os_open.c: Likewise. * db2/os/os_func.c: Removed. * db2/os/os_config.c: New file. * db2/os/os_spin.c: New file. * db2/txn/txn.c: Likewise. * db2/txn/txn_auto.c: Likewise. 1997-11-30 06:01 Ulrich Drepper <drepper@cygnus.com> * posix/sys/wait.h (__WAIT_INT): Don't use complex version with __typeof for C++ since this fails for class members. Reported by Neal Becker <neal@ctd.comsat.com>. 1997-11-28 11:21 Zack Weinberg <zack@rabi.phys.columbia.edu> * configure.in: Check for a working makeinfo (3.11 or better). * config.make.in: Add MAKEINFO to be substituted. * manual/Makefile: Don't update info if makeinfo is too old. 1997-11-30 05:21 Ulrich Drepper <drepper@cygnus.com> * sysdeps/alpha/setjmp.S: Define _ASM and _SETJMP_H to get definitions. * sysdeps/alpha/__longjmp.S: Likewise. * sysdeps/unix/sysv/linux/alpha/kernel_termios.h: Include <termios.h> not <bits/termios.h>. * sysdeps/unix/sysv/linux/alpha/syscalls.list: Define syscall as __llseek and make llseek and lseek64 weak aliases. * sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list: Likewise. Patches by a sun <asun@zoology.washington.edu>. 1997-11-29 19:19 Zack Weinberg <zack@rabi.phys.columbia.edu> * misc/sys/syslog.h: Delete KERNEL preprocessor conditional. * sysdeps/unix/sysv/linux/powerpc/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/termios.h: Likewise. * misc/sys/syslog.h: Clean up BSD header. 1997-11-29 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/unix/sysv/linux/bits/in.h: Add changes from Linux 2.1.67. * sysdeps/libm-ieee754/s_ctan.c (__ctan): Raise invalid exception for ctan(+-inf,x). * sysdeps/libm-ieee754/s_ctanl.c (__ctanl): Likewise. * sysdeps/libm-ieee754/s_ctanf.c (__ctanf): Likewise. * math/libm-test.c (csqrt_test): Add tests for cabs, carg, ctan, csqrt (-1), ctanh(i*pi/4). 1997-11-26 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/generic/bits/confname.h: Fix comma in enumerator. 1997-11-28 13:28 Philip Blundell <Philip.Blundell@pobox.com> * sysdeps/unix/sysv/linux/net/if_arp.h: Add more ARPHRD_ constants. 1997-11-26 Andreas Jaeger <aj@arthur.rhein-neckar.de> * wcsmbs/wcrtomb.c (__wcrtomb): Remove unused variable fake. 1997-11-26 21:28 Ulrich Drepper <drepper@cygnus.com> * sysdeps/posix/getcwd.c (GETCWD_STORYGE_CLASS): Remove definition and use. Define GETCWD_RETURN_TYPE instead and use it. * sysdeps/unix/sysv/linux/getcwd.c: Define GETCWD_RETURN_TYPE instead of GETCWD_STORYGE_CLASS and put the return type and the `internal_function' in the right order for gcc 2.7.2. 1997-11-26 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/unix/sysv/linux/sys/module.h: Remove file. It's incompatible with Linux 2.1.x. Packages using modules (e.g. modutils) should/do provide their own version. Suggested by Richard Henderson. * sysdeps/unix/sysv/linux/Dist: Remove sys/module.h. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers) [$(subdir)=socket]: Remove sys/module.h. * libio/stdio.h: Correct comment of sys_nerr/sys_errlist.
Diffstat (limited to 'db2/os')
-rw-r--r--db2/os/os_config.c (renamed from db2/os/os_func.c)131
-rw-r--r--db2/os/os_open.c7
-rw-r--r--db2/os/os_spin.c56
3 files changed, 167 insertions, 27 deletions
diff --git a/db2/os/os_func.c b/db2/os/os_config.c
index afd40f4..ecb4f1c 100644
--- a/db2/os/os_func.c
+++ b/db2/os/os_config.c
@@ -8,7 +8,7 @@
#include "config.h"
#ifndef lint
-static const char sccsid[] = "@(#)os_func.c 10.4 (Sleepycat) 10/28/97";
+static const char sccsid[] = "@(#)os_config.c 10.9 (Sleepycat) 11/28/97";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
@@ -31,7 +31,6 @@ static const char sccsid[] = "@(#)os_func.c 10.4 (Sleepycat) 10/28/97";
#define imported
#endif
-imported extern void *calloc __P((size_t, size_t));
imported extern int close __P((int));
imported extern void free __P((void *));
imported extern int fsync __P((int));
@@ -42,16 +41,16 @@ 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));
+imported extern void *memset __P((void *, int, size_t));
/*
* __db_jump --
* 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., calloc or read. In others, we provide
+ * POSIX 1003.1 call, e.g., malloc or read. In others, we provide
* a local interface to the functionality, e.g., __os_map.
*/
struct __db_jumptab __db_jump = {
- calloc, /* DB_FUNC_CALLOC */
close, /* DB_FUNC_CLOSE */
__os_dirfree, /* DB_FUNC_DIRFREE */
__os_dirlist, /* DB_FUNC_DIRLIST */
@@ -73,9 +72,11 @@ struct __db_jumptab __db_jump = {
NULL /* DB_FUNC_YIELD */
};
+int __db_tsl_spins; /* DB_TSL_SPINS */
+
/*
* db_jump_set --
- * Replace an interface.
+ * Replace functions for the DB package.
*/
int
db_jump_set(func, which)
@@ -84,70 +85,148 @@ db_jump_set(func, which)
{
switch (which) {
case DB_FUNC_CALLOC:
- __db_calloc = (void *(*) __P((size_t, size_t)))func;
- break;
+ /*
+ * XXX
+ * Obsolete, calloc is no longer called by DB.
+ */
+ break;
case DB_FUNC_CLOSE:
- __os_close = (int (*) __P((int)))func;
+ __db_jump.db_close = (int (*) __P((int)))func;
break;
case DB_FUNC_DIRFREE:
- __db_dirfree = (void (*) __P((char **, int)))func;
+ __db_jump.db_dirfree = (void (*) __P((char **, int)))func;
break;
case DB_FUNC_DIRLIST:
- __db_dirlist =
+ __db_jump.db_dirlist =
(int (*) __P((const char *, char ***, int *)))func;
break;
case DB_FUNC_EXISTS:
- __db_exists = (int (*) __P((const char *, int *)))func;
+ __db_jump.db_exists = (int (*) __P((const char *, int *)))func;
break;
case DB_FUNC_FREE:
- __db_free = (void (*) __P((void *)))func;
+ __db_jump.db_free = (void (*) __P((void *)))func;
break;
case DB_FUNC_FSYNC:
- __os_fsync = (int (*) __P((int)))func;
+ __db_jump.db_fsync = (int (*) __P((int)))func;
break;
case DB_FUNC_IOINFO:
- __db_ioinfo =
+ __db_jump.db_ioinfo =
(int (*) __P((const char *, int, off_t *, off_t *)))func;
break;
case DB_FUNC_MALLOC:
- __db_malloc = (void *(*) __P((size_t)))func;
+ __db_jump.db_malloc = (void *(*) __P((size_t)))func;
break;
case DB_FUNC_MAP:
- __db_map = (int (*) __P((int, size_t, int, int, void **)))func;
+ __db_jump.db_map =
+ (int (*) __P((int, size_t, int, int, void **)))func;
break;
case DB_FUNC_OPEN:
- __os_open = (int (*) __P((const char *, int, ...)))func;
+ __db_jump.db_open = (int (*) __P((const char *, int, ...)))func;
break;
case DB_FUNC_READ:
- __os_read = (ssize_t (*) __P((int, void *, size_t)))func;
+ __db_jump.db_read =
+ (ssize_t (*) __P((int, void *, size_t)))func;
break;
case DB_FUNC_REALLOC:
- __db_realloc = (void *(*) __P((void *, size_t)))func;
+ __db_jump.db_realloc = (void *(*) __P((void *, size_t)))func;
break;
case DB_FUNC_SEEK:
- __db_seek =
+ __db_jump.db_seek =
(int (*) __P((int, size_t, db_pgno_t, u_long, int)))func;
break;
case DB_FUNC_SLEEP:
- __db_sleep = (int (*) __P((u_long, u_long)))func;
+ __db_jump.db_sleep = (int (*) __P((u_long, u_long)))func;
break;
case DB_FUNC_STRDUP:
- __db_strdup = (char *(*) __P((const char *)))func;
+ __db_jump.db_strdup = (char *(*) __P((const char *)))func;
break;
case DB_FUNC_UNLINK:
- __os_unlink = (int (*) __P((const char *)))func;
+ __db_jump.db_unlink = (int (*) __P((const char *)))func;
break;
case DB_FUNC_UNMAP:
- __db_unmap = (int (*) __P((void *, size_t)))func;
+ __db_jump.db_unmap = (int (*) __P((void *, size_t)))func;
break;
case DB_FUNC_WRITE:
- __os_write = (ssize_t (*) __P((int, const void *, size_t)))func;
+ __db_jump.db_write =
+ (ssize_t (*) __P((int, const void *, size_t)))func;
break;
case DB_FUNC_YIELD:
- __db_yield = (int (*) __P((void)))func;
+ __db_jump.db_yield = (int (*) __P((void)))func;
+ break;
+ default:
+ return (EINVAL);
+ }
+ return (0);
+}
+
+/*
+ * db_value_set --
+ * Replace values for the DB package.
+ */
+int
+db_value_set(value, which)
+ int value, which;
+{
+ switch (which) {
+ case DB_TSL_SPINS:
+ if (value <= 0)
+ return (EINVAL);
+ __db_tsl_spins = value;
break;
default:
return (EINVAL);
}
return (0);
}
+
+/*
+ * XXX
+ * Correct for systems that return NULL when you allocate 0 bytes of memory.
+ * There are several places in DB where we allocate the number of bytes held
+ * by the key/data item, and it can be 0. Correct here so that malloc never
+ * returns a NULL for that reason.
+ */
+/*
+ * __db_calloc --
+ * The calloc(3) function for DB.
+ *
+ * PUBLIC: void *__db_calloc __P((size_t, size_t));
+ */
+void *
+__db_calloc(num, size)
+ size_t num, size;
+{
+ void *p;
+
+ size *= num;
+ if ((p = __db_jump.db_malloc(size == 0 ? 1 : size)) != NULL)
+ memset(p, 0, size);
+ return (p);
+}
+
+/*
+ * __db_malloc --
+ * The malloc(3) function for DB.
+ *
+ * PUBLIC: void *__db_malloc __P((size_t));
+ */
+void *
+__db_malloc(size)
+ size_t size;
+{
+ return (__db_jump.db_malloc(size == 0 ? 1 : size));
+}
+
+/*
+ * __db_realloc --
+ * The realloc(3) function for DB.
+ *
+ * PUBLIC: void *__db_realloc __P((void *, size_t));
+ */
+void *
+__db_realloc(ptr, size)
+ void *ptr;
+ size_t size;
+{
+ return (__db_jump.db_realloc(ptr, size == 0 ? 1 : size));
+}
diff --git a/db2/os/os_open.c b/db2/os/os_open.c
index 05784e4..a628765 100644
--- a/db2/os/os_open.c
+++ b/db2/os/os_open.c
@@ -8,7 +8,7 @@
#include "config.h"
#ifndef lint
-static const char sccsid[] = "@(#)os_open.c 10.19 (Sleepycat) 10/28/97";
+static const char sccsid[] = "@(#)os_open.c 10.20 (Sleepycat) 11/27/97";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
@@ -38,6 +38,11 @@ __db_open(name, arg_flags, ok_flags, mode, fdp)
return (EINVAL);
flags = 0;
+
+ /*
+ * DB requires the semantic that two files opened at the same time
+ * with O_CREAT and O_EXCL set will return failure in at least one.
+ */
if (arg_flags & DB_CREATE)
flags |= O_CREAT;
diff --git a/db2/os/os_spin.c b/db2/os/os_spin.c
new file mode 100644
index 0000000..fb693c2
--- /dev/null
+++ b/db2/os/os_spin.c
@@ -0,0 +1,56 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997
+ * Sleepycat Software. All rights reserved.
+ */
+
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)os_spin.c 10.3 (Sleepycat) 11/25/97";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+
+#include <limits.h>
+#include <unistd.h>
+#endif
+
+#include "db_int.h"
+
+/*
+ * __os_spin --
+ * Return the number of default spins before blocking.
+ *
+ * PUBLIC: int __os_spin __P((void));
+ */
+int
+__os_spin()
+{
+ extern int __db_tsl_spins;
+
+ /* If the application specified the spins, use its value. */
+ if (__db_tsl_spins != 0)
+ return (__db_tsl_spins);
+
+ /*
+ * XXX
+ * Sysconf: Solaris uses _SC_NPROCESSORS_ONLN to return the number
+ * of online processors. I don't know if this call is portable or
+ * not.
+ */
+#if defined(HAVE_SYSCONF) && defined(_SC_NPROCESSORS_ONLN)
+ {
+ long sys_val;
+
+ sys_val = sysconf(_SC_NPROCESSORS_ONLN);
+ if (sys_val > 0)
+ return (sys_val * 50);
+ }
+#endif
+
+ /* Default to a single processor. */
+ return (1);
+}