From a5a0310d8e9d7176bb17e91c916272006a871016 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Tue, 30 Sep 1997 17:10:40 +0000 Subject: Update. 1997-09-30 18:03 Ulrich Drepper * 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 not . * 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 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 * 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 * 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 * 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 * 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 . 1997-09-28 08:27 Thorsten Kukuk * 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 * configure.in: Fix typo. Patch by Zack Weinberg . 1997-09-25 20:14 Philip Blundell * sysdeps/unix/sysv/linux/scsi/sg.h: New file. * sysdeps/unix/sysv/linux/Makefile: Install . --- posix/unistd.h | 90 ++++++++++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 69 insertions(+), 21 deletions(-) (limited to 'posix/unistd.h') diff --git a/posix/unistd.h b/posix/unistd.h index f4a331bce3..9fcad90cb1 100644 --- a/posix/unistd.h +++ b/posix/unistd.h @@ -150,13 +150,36 @@ __BEGIN_DECLS #ifndef ssize_t typedef __ssize_t ssize_t; -#define ssize_t ssize_t +# define ssize_t ssize_t #endif #define __need_size_t #define __need_NULL #include +#ifdef __USE_UNIX98 +/* The Single Unix specification says that some more types are + available here. */ +# ifndef gid_t +typedef __gid_t gid_t; +# define gid_t gid_t +# endif + +# ifndef uid_t +typedef __uid_t uid_t; +# define uid_t uid_t +# endif + +# ifndef off_t +typedef __off_t off_t; +# define off_t off_t +# endif + +# ifndef pid_t +typedef __pid_t pid_t; +# define pid_t pid_t +# endif +#endif /* Values for the second argument to access. These may be OR'd together. */ @@ -179,16 +202,16 @@ extern int euidaccess __P ((__const char *__name, int __type)); /* Values for the WHENCE argument to lseek. */ #ifndef _STDIO_H /* has the same definitions. */ -#define SEEK_SET 0 /* Seek from beginning of file. */ -#define SEEK_CUR 1 /* Seek from current position. */ -#define SEEK_END 2 /* Seek from end of file. */ +# define SEEK_SET 0 /* Seek from beginning of file. */ +# define SEEK_CUR 1 /* Seek from current position. */ +# define SEEK_END 2 /* Seek from end of file. */ #endif #if defined __USE_BSD && !defined L_SET /* Old BSD names for the same constants; just for compatibility. */ -#define L_SET SEEK_SET -#define L_INCR SEEK_CUR -#define L_XTND SEEK_END +# define L_SET SEEK_SET +# define L_INCR SEEK_CUR +# define L_XTND SEEK_END #endif @@ -213,6 +236,19 @@ extern ssize_t read __P ((int __fd, __ptr_t __buf, size_t __nbytes)); extern ssize_t __write __P ((int __fd, __const __ptr_t __buf, size_t __n)); extern ssize_t write __P ((int __fd, __const __ptr_t __buf, size_t __n)); +#ifdef __USE_UNIX98 +/* Read NBYTES into BUF from FD at the given position OFFSET without + changing the file pointer. Return the number read, -1 for errors + or 0 for EOF. */ +extern ssize_t pread __P ((int __fd, __ptr_t __buf, size_t __nbytes, + __off_t __offset)); + +/* Write N bytes of BUF to FD at the given position OFFSET without + changing the file pointer. Return the number written, or -1. */ +extern ssize_t pwrite __P ((int __fd, __const __ptr_t __buf, size_t __n, + __off_t __offset)); +#endif + /* Create a one-way communication channel (pipe). If successful, two file descriptors are stored in PIPEDES; @@ -427,7 +463,7 @@ extern __pid_t __bsd_getpgrp __P ((__pid_t __pid)); #ifdef __FAVOR_BSD /* When we explicitely compile BSD sources use the BSD definition of this function. Please note that we cannot use parameters for the macro. */ -#define getpgrp __bsd_getpgrp +# define getpgrp __bsd_getpgrp #endif /* Set the process group ID of the process matching PID to PGID. @@ -777,8 +813,8 @@ extern int getdtablesize __P ((void)); extern int __brk __P ((__ptr_t __addr)); extern int brk __P ((__ptr_t __addr)); -#define __need_ptrdiff_t -#include +# define __need_ptrdiff_t +# include /* Increase or decrease the end of accessible data space by DELTA bytes. If successful, returns the address the previous end of data space @@ -814,10 +850,10 @@ extern long int syscall __P ((long int __sysno, ...)); LEN is always relative to the current file position. The CMD argument is one of the following. */ -#define F_ULOCK 0 /* Unlock a previously locked region. */ -#define F_LOCK 1 /* Lock a region for exclusive use. */ -#define F_TLOCK 2 /* Test and lock a region for exclusive use. */ -#define F_TEST 3 /* Test a region for other processes locks. */ +# define F_ULOCK 0 /* Unlock a previously locked region. */ +# define F_LOCK 1 /* Lock a region for exclusive use. */ +# define F_TLOCK 2 /* Test and lock a region for exclusive use. */ +# define F_TEST 3 /* Test a region for other processes locks. */ extern int lockf __P ((int __fd, int __cmd, __off_t __len)); #endif /* Use misc and F_LOCK not already defined. */ @@ -828,7 +864,7 @@ extern int lockf __P ((int __fd, int __cmd, __off_t __len)); /* Evaluate EXPRESSION, and repeat as long as it returns -1 with `errno' set to EINTR. */ -#define TEMP_FAILURE_RETRY(expression) \ +# define TEMP_FAILURE_RETRY(expression) \ (__extension__ \ ({ long int __result; \ do __result = (long int) (expression); \ @@ -836,15 +872,16 @@ extern int lockf __P ((int __fd, int __cmd, __off_t __len)); __result; })) \ -/* This variable is set nonzero at startup if the process's effective IDs - differ from its real IDs, or it is otherwise indicated that extra - security should be used. When this is set the dynamic linker ignores - the various environment variables that normally affect it. */ +/* This variable is set nonzero at startup if the process's effective + IDs differ from its real IDs, or it is otherwise indicated that + extra security should be used. When this is set the dynamic linker + and some functions contained in the C library ignore various + environment variables that normally affect them. */ extern int __libc_enable_secure; #endif -#ifdef __USE_POSIX199309 +#if defined __USE_POSIX199309 || defined __USE_UNIX98 /* Synchronize at least the data part of a file with the underlying media. */ extern int fdatasync __P ((int __fildes)); @@ -869,7 +906,18 @@ extern void encrypt __P ((char *__block, int __edflag)); FROM and copy the result to TO. The value of TO must not be in the range [FROM - N + 1, FROM - 1]. If N is odd the first byte in FROM is without partner. */ -extern void swab __P ((__const char *__from, char *__to, ssize_t __n)); +extern void swab __P ((__const __ptr_t __from, __ptr_t __to, ssize_t __n)); +#endif + + +/* The Single Unix specification, version 2, demands these prototypes + to be here. They are also found in . */ +#ifdef __USE_UNIX98 +/* Return the name of the controlling terminal. */ +extern char *ctermid __P ((char *__s)); + +/* Return the name of the current user. */ +extern char *cuserid __P ((char *__s)); #endif __END_DECLS -- cgit v1.2.3