mirror of
https://sourceware.org/git/glibc.git
synced 2024-10-03 20:47:42 +00:00
a5a0310d8e
1997-09-30 18:03 Ulrich Drepper <drepper@cygnus.com> * Makerules: Undo last change. * csu/Makefile: Define before-compile at the right place. * aclocal.m4: Remove a.out file created by assembler test. * set-init.c: Find set-hooks.h using <...>. Update to db 2.3.10. * db2/Makefile: Update. * db2/db.h: Likewise. * db2/db_185.h: Likewise. * db2/db_int.h: Likewise. * db2/btree/bt_close.c: Likewise. * db2/btree/bt_conv.c: Likewise. * db2/btree/bt_cursor.c: Likewise. * db2/btree/bt_put.c: Likewise. * db2/btree/bt_rec.c: Likewise. * db2/btree/bt_recno.c: Likewise. * db2/btree/btree.src: Likewise. * db2/btree/btree_auto.c: Likewise. * db2/clib/getlong.c: Likewise. * db2/db/db.c: Likewise. * db2/db/db_auto.c: Likewise. * db2/db/db_conv.c: Likewise. * db2/db/db_pr.c: Likewise. * db2/db/db_ret.c: Likewise. * db2/db/db_thread.c: Likewise. * db2/hash/hash.c: Likewise. * db2/hash/hash_auto.c: Likewise. * db2/hash/hash_conv.c: Likewise. * db2/hash/hash_dup.c: Likewise. * db2/hash/hash_func.c: Likewise. * db2/hash/hash_page.c: Likewise. * db2/hash/hash_rec.c: Likewise. * db2/include/btree.h: Likewise. * db2/include/btree_ext.h: Likewise. * db2/include/db.h.src: Likewise. * db2/include/db_185.h.src: Likewise. * db2/include/db_cxx.h: Likewise. * db2/include/db_ext.h: Likewise. * db2/include/db_int.h.src: Likewise. * db2/include/db_page.h: Likewise. * db2/include/db_shash.h: Likewise. * db2/include/lock.h: Likewise. * db2/include/log.h: Likewise. * db2/include/log_ext.h: Likewise. * db2/include/mp.h: Likewise. * db2/include/shqueue.h: Likewise. * db2/include/txn.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/log/log_register.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/mutex/mutex.c: Likewise. * db2/os/db_os_dir.c: Likewise. * db2/progs/db_checkpoint/db_checkpoint.c: Likewise. * db2/progs/db_deadlock/db_deadlock.c: Likewise. * db2/progs/db_dump185/db_dump185.c: Likewise. * db2/progs/db_load/db_load.c: Likewise. * db2/progs/db_recover/db_recover.c: Likewise. * db2/txn/txn.c: Likewise. * db2/txn/txn_auto.c: Likewise. * elf/link.h: Define struct libname_list outside struct link_map to not confuse C++ compilers. * include/features.h: Recognize _XOPEN_SOURCE == 500 and set __USE_UNIX98. * manual/creature.texi: Explain this. * libc.map: Add new functions. * libio/Makefile (routines): Add fseeko and ftello. * libio/ftello.c: New file. * libio/fseeko.c: New file. * libio/stdio.h: Add prototypes for new functions. * manual/stdio.texi: Document fseeko and ftello. * posix/Makefile (routines): Add pread and pwrite. * sysdeps/posix/pread.c: New file. * sysdeps/posix/pwrite.c: New file. * sysdeps/stub/pread.c: New file. * sysdeps/stub/pwrite.c: New file. * posix/unistd.h: Add prototypes for pread and pwrite. Pretty print header. Define gid_t, uid_t, off_t, pid_t if __USE_UNIX98. Declare ctermid and cuserid if __USE_UNIX98. (swab): Change to take void * arguments. * string/swab.c: Change parameter to void *. * posix/sys/types: Define gid_t, uid_t, off_t, pid_t only if not already happened. * manual/llio.texi: Document pread and pwrite. * string/strings.h: Don't simply include string.h. Define BSD functions according to Unix98. * stdlib/tst-strtol.c: Include <string.h> not <strings.h>. * sunrpc/clnt_simp.c: Likewise. * malloc/Makefile (aux): Add set-freeres. * malloc/mtrace.c: Define function release_libc_mem which calls the __libc_subfreeres handler. (mtrace): Register release_libc_mem. * malloc/set-freeres.c: New file. * intl/dcgettext.c: Define free_mem function and add to __libc_subfreeres list. * intl/finddomain.c: Likewise. * intl/gettextP.h (struct loaded_domain): Add new fields use_mmap and mmap_size. Add prototype for _nl_unloaded_domain. * intl/loadmsgcat.c: Define new function _nl_unload_domain. (_nl_load_domain): Store informaiton about mmap use and file size. * intl/localealias.c (read_alias_file): Optimize locale alias file reading by avoid frequen mallocs. Define free_mem function and add to __libc_subfreeres list. * locale/localeinfo.h: Make a difference between MAX_USAGE_COUNT and undeletable. Add prototype for _nl_unload_locale. * locale/C-collate: Mark data as undeletable by using UNDELETABLE. * locale/C-ctype: Likewise. * locale/C-messages: Likewise. * locale/C-monetary: Likewise. * locale/C-numeric: Likewise. * locale/C-time: Likewise. * locale/findlocale.c (_nl_find_locale, _nl_remove_locale): Handle MAX_USAGE_COUNT and UNDELETABLE. (free_mem): New function. Add it to __libc_subfreeres list. * locale/loadlocale.c: Define _nl_unload_locale function. * misc/hsearch.c: Register hdestroy in __libc_subfreeres list. * stdlib/fmtmsg.c (addseverity): Handle illegal severity arguments correctly Define free_mem function and add to __libc_subfreeres list. * locale/programs/localedef.c (options): short form os verbose is v. Reported by Andreas Jaeger. * misc/sys/select.h: Define pselect only is __USE_POSIX since this header is used in some others as well for historical reasons. * resolv/resolv.h: Include <netinet/in.h> to make self-contained. * string/bits/string2.h: Add missing braces and optimize strcmp a bit more. * sysdeps/i386/i486/bits/string.h: Likewise. * sunrpc/rpc/auth_des.h: Include rpc/auth.h to be self-contained. Pretty print. * sysdeps/mach/hurd/cthreads.c: Add copyright text. * sysdeps/unix/sysv/linux/syscalls.list: Correct prctl entry. * sysdeps/unix/sysv/linux/sys/mman.h: Get definition of size_t. * time/time.h: Pretty print. 1997-09-29 Paul Eggert <eggert@twinsun.com> * time/strftime.c: Synchronize with GNU Emacs strftime.c. (HAVE_MEMCPY): Define if emacs is defined and HAVE_BCOPY isn't. (gmtime_r, localtime_r): Undef before defining. (iso_week_days): Use __inline__, not inline. 1997-09-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/bits/mathinline.h: Rename exp2{,l,f} to __ieee754_exp2{,l,f}. * sysdeps/m68k/fpu/s_exp2.c: Likewise. * sysdeps/m68k/fpu/s_exp2l.c: Likewise. * sysdeps/m68k/fpu/s_exp2f.c: Likewise. 1997-09-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/soinit.c (__EH_FRAME_BEGIN__): Don't make the .eh_frame section read-only, it contains relocations. * elf/sofini.c (__FRAME_END__): Likewise. 1997-09-29 03:08 Ulrich Drepper <drepper@cygnus.com> * sysdeps/i386/i486/bits/string.h [__PIC__] (__strspn_cg, __strcspn_cg, __strpbrk_cg, __strstr_cg): Optimize even more. No spill register needed. Patch by NIIBE Yutaka <gniibe@mri.co.jp>. 1997-09-28 08:27 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/nis_call.c (__do_niscall2): Fix return code, add missing break in switch case. * nis/nis_mkdir.c: Fix return codes to match Solaris version. * nis/nis_rmdir.c: Likewise. * nis/rpcsvc/yp_prot.h: Rename struct keydat to struct keydat_t for C++. 1997-09-28 04:32 Ulrich Drepper <drepper@cygnus.com> * configure.in: Fix typo. Patch by Zack Weinberg <zack@rabi.phys.columbia.edu>. 1997-09-25 20:14 Philip Blundell <Philip.Blundell@pobox.com> * sysdeps/unix/sysv/linux/scsi/sg.h: New file. * sysdeps/unix/sysv/linux/Makefile: Install <scsi/sg.h>.
160 lines
4.5 KiB
C
160 lines
4.5 KiB
C
/*-
|
|
* See the file LICENSE for redistribution information.
|
|
*
|
|
* Copyright (c) 1996, 1997
|
|
* Sleepycat Software. All rights reserved.
|
|
*
|
|
* @(#)log.h 10.9 (Sleepycat) 9/23/97
|
|
*/
|
|
|
|
#ifndef _LOG_H_
|
|
#define _LOG_H_
|
|
|
|
struct __fname; typedef struct __fname FNAME;
|
|
struct __hdr; typedef struct __hdr HDR;
|
|
struct __log; typedef struct __log LOG;
|
|
struct __log_persist; typedef struct __log_persist LOGP;
|
|
|
|
#define MAXLFNAME 99999 /* Maximum log file name. */
|
|
#define LFNAME "log.%05d" /* Log file name template. */
|
|
|
|
/* Default log name. */
|
|
#define DB_DEFAULT_LOG_FILE "__db_log.share"
|
|
|
|
#define DEFAULT_MAX (10 * 1048576) /* 10 Mb. */
|
|
|
|
/* Macros to return per-process address, offsets. */
|
|
#define ADDR(base, offset) ((void *)((u_int8_t *)((base)->addr) + offset))
|
|
#define OFFSET(base, p) ((u_int8_t *)(p) - (u_int8_t *)(base)->addr)
|
|
|
|
/* Macros to lock/unlock the region and threads. */
|
|
#define LOCK_LOGTHREAD(dblp) \
|
|
if (F_ISSET(dblp, DB_AM_THREAD)) \
|
|
(void)__db_mutex_lock((dblp)->mutexp, -1, \
|
|
(dblp)->dbenv == NULL ? NULL : (dblp)->dbenv->db_yield)
|
|
#define UNLOCK_LOGTHREAD(dblp) \
|
|
if (F_ISSET(dblp, DB_AM_THREAD)) \
|
|
(void)__db_mutex_unlock((dblp)->mutexp, -1);
|
|
#define LOCK_LOGREGION(dblp) \
|
|
(void)__db_mutex_lock(&((RLAYOUT *)(dblp)->lp)->lock, \
|
|
(dblp)->fd, (dblp)->dbenv == NULL ? NULL : (dblp)->dbenv->db_yield)
|
|
#define UNLOCK_LOGREGION(dblp) \
|
|
(void)__db_mutex_unlock(&((RLAYOUT *)(dblp)->lp)->lock, (dblp)->fd)
|
|
|
|
/*
|
|
* The per-process table that maps log file-id's to DB structures.
|
|
*/
|
|
typedef struct __db_entry {
|
|
DB *dbp; /* Associated DB structure. */
|
|
int refcount; /* Reference counted. */
|
|
int deleted; /* File was not found during open. */
|
|
} DB_ENTRY;
|
|
|
|
/*
|
|
* DB_LOG
|
|
* Per-process log structure.
|
|
*/
|
|
struct __db_log {
|
|
/* These fields need to be protected for multi-threaded support. */
|
|
db_mutex_t *mutexp; /* Mutex for thread protection. */
|
|
|
|
DB_ENTRY *dbentry; /* Recovery file-id mapping. */
|
|
#define DB_GROW_SIZE 64
|
|
u_int32_t dbentry_cnt; /* Entries. Grows by DB_GROW_SIZE. */
|
|
|
|
/*
|
|
* These fields are always accessed while the region lock is held, so they do
|
|
* not have to be protected by the thread lock as well OR, they are only used
|
|
* when threads are not being used, i.e. most cursor operations are disallowed
|
|
* on threaded logs.
|
|
*/
|
|
u_int32_t lfname; /* Log file "name". */
|
|
int lfd; /* Log file descriptor. */
|
|
|
|
DB_LSN c_lsn; /* Cursor: current LSN. */
|
|
DBT c_dbt; /* Cursor: return DBT structure. */
|
|
int c_fd; /* Cursor: file descriptor. */
|
|
u_int32_t c_off; /* Cursor: previous record offset. */
|
|
u_int32_t c_len; /* Cursor: current record length. */
|
|
|
|
/* These fields are not protected. */
|
|
LOG *lp; /* Address of the shared LOG. */
|
|
|
|
DB_ENV *dbenv; /* Reference to error information. */
|
|
|
|
void *maddr; /* Address of mmap'd region. */
|
|
void *addr; /* Address of shalloc() region. */
|
|
int fd; /* Region file descriptor. */
|
|
|
|
char *dir; /* Directory argument. */
|
|
|
|
u_int32_t flags; /* Support the DB_AM_XXX flags. */
|
|
};
|
|
|
|
/*
|
|
* HDR --
|
|
* Log record header.
|
|
*/
|
|
struct __hdr {
|
|
u_int32_t prev; /* Previous offset. */
|
|
u_int32_t cksum; /* Current checksum. */
|
|
u_int32_t len; /* Current length. */
|
|
};
|
|
|
|
struct __log_persist {
|
|
u_int32_t magic; /* DB_LOGMAGIC */
|
|
u_int32_t version; /* DB_LOGVERSION */
|
|
|
|
u_int32_t lg_max; /* Maximum file size. */
|
|
int mode; /* Log file mode. */
|
|
};
|
|
|
|
/*
|
|
* LOG --
|
|
* Shared log region. One of these is allocated in shared memory,
|
|
* and describes the log.
|
|
*/
|
|
struct __log {
|
|
RLAYOUT rlayout; /* General region information. */
|
|
|
|
LOGP persist; /* Persistent information. */
|
|
|
|
SH_TAILQ_HEAD(__fq) fq; /* List of file names. */
|
|
|
|
DB_LSN lsn; /* LSN at current file offset. */
|
|
DB_LSN c_lsn; /* LSN of the last checkpoint. */
|
|
DB_LSN s_lsn; /* LSN of the last sync. */
|
|
DB_LSN span_lsn; /* LSN spanning buffer write. */
|
|
|
|
u_int32_t len; /* Length of the last record. */
|
|
|
|
size_t b_off; /* Current offset in the buffer. */
|
|
u_int32_t w_off; /* Current write offset in the file. */
|
|
|
|
time_t chkpt; /* Time of the last checkpoint. */
|
|
u_int32_t written; /* Bytes written since checkpoint. */
|
|
|
|
u_int8_t buf[4 * 1024]; /* Log buffer. */
|
|
};
|
|
|
|
/*
|
|
* FNAME --
|
|
* File name and id.
|
|
*/
|
|
struct __fname {
|
|
SH_TAILQ_ENTRY q; /* File name queue. */
|
|
|
|
u_int16_t ref; /* Reference count. */
|
|
|
|
u_int32_t id; /* Logging file id. */
|
|
DBTYPE s_type; /* Saved DB type. */
|
|
|
|
u_int32_t fileid_off; /* Unique file id offset. */
|
|
|
|
size_t name_off; /* Name offset. */
|
|
};
|
|
|
|
#include "log_auto.h"
|
|
#include "log_ext.h"
|
|
#endif /* _LOG_H_ */
|