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authorUlrich Drepper <drepper@redhat.com>1997-09-30 17:10:40 +0000
committerUlrich Drepper <drepper@redhat.com>1997-09-30 17:10:40 +0000
commita5a0310d8e9d7176bb17e91c916272006a871016 (patch)
treeb922b764878596e6ee42ae84cc315ecaaac00505 /posix/unistd.h
parenta2b08ee54130cf3a74655856e6ca6c29874a9df2 (diff)
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>.
Diffstat (limited to 'posix/unistd.h')
-rw-r--r--posix/unistd.h90
1 files changed, 69 insertions, 21 deletions
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 <stddef.h>
+#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 /* <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 <stddef.h>
+# define __need_ptrdiff_t
+# include <stddef.h>
/* 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 <stdio.h>. */
+#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