glibc/sysdeps/mach/hurd/fcntl.c
Ulrich Drepper 37ba7d6663 Update.
2002-08-02  Ulrich Drepper  <drepper@redhat.com>

	* configure.in (HAVE_BROKEN_ALIAS_ATTRIBUTE): Add check for
	broken alias attribute handling.
	* config.h.in (HAVE_BROKEN_ALIAS_ATTRIBUTE): Add.

	* assert/assert.c (__assert_fail): Fix typo in comment.

	* include/rpc/rpc.h: Declare __libc_tsd_RPC_VARS if USE_TLS &&
	HAVE___THREAD.
	* sunrpc/rpc_thread.c: Don't define __libc_tsd_RPC_VARS as static
	if USE_TLS && HAVE___THREAD.
	* sunrpc/Versions [libc] (GLIBC_PRIVATE): Export __libc_tsd_RPC_VARS.

2002-08-02  Jakub Jelinek  <jakub@redhat.com>

	* assert/assert.c (__assert_fail): Remove undef.
	Replace INTDEF with libc_hidden_def.
	* assert/__assert.c (__assert): Remove INTUSE.
	* elf/dl-minimal.c (__assert_fail): Replace INTDEF with
	libc_hidden_weak.
	* include/libc-symbols.h (hidden_proto, hidden_def, hidden_weak,
	hidden_ver, libc_hidden_proto, libc_hidden_def, libc_hidden_weak,
	libc_hidden_ver, rtld_hidden_proto, rtld_hidden_def, rtld_hidden_weak,
	rltd_hidden_ver, libm_hidden_proto, libm_hidden_def, libm_hidden_weak,
	libm_hiden_ver): Define.
	* include/assert.h (__assert_fail_internal): Remove.
	(__assert_fail): Add prototype.  Add hidden_proto.
	* include/libc-internal.h (__libc_freeres, __profile_frequency): Add
	libc_hidden_proto.
	* include/wchar.h (__mbrtowc_internal, __mbrlen_internal): Remove.
	(__mbrtowc, __mbrlen): Use libc_hidden_proto.  Remove macros.
	* include/string.h (__mempcpy, __stpncpy, __rawmemchr, __strcasecmp):
	Add libc_hidden_proto.
	* include/fcntl.h (__open64, __libc_open, __libc_fcntl, __open,
	__fcntl): Add libc_hidden_proto.  Remove macros.
	(__open_internal, __fcntl_internal): Remove.
	* libio/iofdopen.c (_IO_fcntl): Remove INTUSE from __fcntl.
	* malloc/set-freeres.c (__libc_freeres): Add libc_hidden_def.
	* nss/nsswitch.h (__nss_database_lookup, __nss_next): Add
	libc_hiden_proto.
	* nss/nsswitch.c (__nss_database_lookup, __nss_next): Add
	libc_hidden_def.
	* sysdeps/generic/mempcpy.c (__mempcpy): Remove undef.
	Add libc_hidden_def.
	* sysdeps/generic/open64.c (__open64): Add libc_hidden_def.
	* sysdeps/generic/open.c (__open): Remove undef.
	Add libc_hidden_def.  Remove INTDEF.
	* sysdeps/generic/fcntl.c (__fcntl): Remove undef.
	Add libc_hidden_def.
	* sysdeps/mach/hurd/fcntl.c (__fcntl): Likewise.
	* sysdeps/i386/i586/mempcpy.S (__mempcpy): Add libc_hidden_def.
	* sysdeps/i386/i686/mempcpy.S (__mempcpy): Likewise.
	* sysdeps/mach/hurd/fcntl.c (__libc_fcntl, __fcntl): Remove undef.
	(__fcntl): Remove INTDEF2.  Add libc_hidden_weak.
	(__libc_fcntl): Add libc_hidden_def.
	* sysdeps/mach/hurd/open.c (__libc_open, __open): Remove undef.
	(__open): Remove INTDEF2.  Add libc_hidden_weak.
	(__libc_open): Add libc_hidden_def.
	* sysdeps/posix/open64.c (__open64): Add libc_hidden_weak.
	* sysdeps/standalone/open.c (__open): Add libc_hidden_def.
	* sysdeps/unix/sysv/aix/fcntl.c (__libc_fcntl, __fcntl): Remove undef.
	Add libc_hidden_def.
	* sysdeps/unix/sysv/aix/open.c (__libc_open, __open): Remove undef.
	Add libc_hidden_def.
	* sysdeps/unix/sysv/linux/i386/fcntl.c (__libc_fcntl, __fcntl): Remove
	undef.
	(__fcntl): Remove INTDEF2.  Add libc_hidden_weak.
	(__libc_fcntl): Add libc_hidden_def.
	* sysdeps/unix/sysv/linux/syscalls.list (__fcntl_internal,
	__getpgid_internal, __chown_internal): Remove.
	(__GI___fcntl, __GI___libc_fcntl, __GI___getpgid, __GI___pipe,
	__GI___sched_setscheduler, __GI___select, __GI___setpgid,
	__GI___chown): Add.
	* sysdeps/unix/syscalls.list (__close_internal, __dup2_internal,
	__getpid_internal, __open_internal, __write_internal): Remove.
	(__GI___fcntl, __GI___libc_fcntl, __GI___open, __GI___libc_open,
	__GI___chown, __GI___close, __GI___dup2, __GI___getpid,
	__GI___libc_open, __GI___open, __GI___read, __GI___libc_read,
	__GI___select, __GI___statfs, __GI___write, __GI___libc_write): Add.
	* wcsmbs/mbrlen.c (__mbrlen): Remove undef.
	Replace INTDEF with libc_hidden_def.
	* wcsmbs/mbrtowc.c (__mbrtowc): Likewise.
	* catgets/catgetsinfo.h (__open_catalog): Add libc_hidden_proto.
	* catgets/open_catalog.c (__open_catalog): Add libc_hidden_def.
	* elf/dl-profile.c (__profile_frequency): Add libc_hidden_proto.
	* include/rpc/rpc.h (__rpc_thread_svc_fdset, __rpc_thread_createerr):
	Add libc_hidden_proto.
	* include/sys/poll.h (__poll): Add libc_hidden_proto.
	* include/sys/select.h (__select): Likewise.
	* include/sys/socket.h (__send): Likewise.
	* include/sys/statfs.h (__statfs): Likewise.
	* include/unistd.h (__pwrite64, __libc_read, __pipe, __chown, __dup2,
	__getpid, __getpgid, __setpgid, __close, __read, __write,
	__getpagesize, __sbrk): Likewise.
	(__chown_internal, __dup2_internal, __getpid_internal,
	__getpgid_internal, __close_internal, __write_internal,
	__getpagesize_internal): Remove.
	(__close, __dup2, __getpagesize, __getpgid, __getpid, __libc_write):
	Remove macros.
	* include/printf.h (__printf_fp): Add libc_hidden_proto.
	* include/sched.h (__sched_setscheduler): Likewise.
	* include/resolv.h (__res_ninit, __res_randomid): Likewise.
	* include/stdlib.h (__secure_getenv): Likewise.
	* include/signal.h (__sigaction, __sigsuspend): Likewise.
	* inet/getaliasent_r.c (NSS_attribute_hidden): Remove.
	* inet/getaliasname_r.c (NSS_attribute_hidden): Remove.
	* inet/getnetbyad_r.c (NSS_attribute_hidden): Remove.
	* inet/getnetbynm_r.c (NSS_attribute_hidden): Remove.
	* inet/getnetent_r.c (NSS_attribute_hidden): Remove.
	* inet/getproto_r.c (NSS_attribute_hidden): Remove.
	* inet/getprtent_r.c (NSS_attribute_hidden): Remove.
	* inet/getprtname_r.c (NSS_attribute_hidden): Remove.
	* inet/getrpcbyname_r.c (NSS_attribute_hidden): Remove.
	* inet/getrpcbynumber_r.c (NSS_attribute_hidden): Remove.
	* inet/getrpcent_r.c (NSS_attribute_hidden): Remove.
	* inet/getservent_r.c (NSS_attribute_hidden): Remove.
	* inet/getsrvbynm_r.c (NSS_attribute_hidden): Remove.
	* inet/getsrvbypt_r.c (NSS_attribute_hidden): Remove.
	* inet/gethstbyad_r.c (DB_LOOKUP_FCT): Remove INTUSE.
	* inet/gethstbynm2_r.c (DB_LOOKUP_FCT): Likewise.
	* inet/gethstbynm_r.c (DB_LOOKUP_FCT): Likewise.
	* inet/gethstent_r.c (DB_LOOKUP_FCT): Likewise.
	* libio/genops.c (__overflow): Add libc_hidden_def.
	* libio/iovdprintf.c: Remove libio.h include.
	* libio/libioP.h (libc_hidden_proto, libc_hidden_def,
	libc_hidden_weak): Define to nothing if not defined.
	(__overflow, __woverflow): Add libc_hidden_proto.
	* libio/wgenops.c (__woverflow): Add libc_hidden_def.
	* nss/getXXent_r.c (NSS_attribute_hidden): Remove.
	(DB_LOOKUP_FCT): Add libc_hidden_proto.
	* nss/getXXbyYY_r.c (NSS_attribute_hidden): Remove.
	(DB_LOOKUP_FCT): Add libc_hidden_proto.
	* nss/XXX-lookup.c (DB_LOOKUP_FCT): Add libc_hidden_proto
	and libc_hidden_def.
	* nss/hosts-lookup.c (__nss_hosts_lookup): Remove INTDEF.
	* posix/bsd-getpgrp.c (__getpgid_internal): Remove.
	(__getpgid): Add libc_hidden_proto.
	(__bsd_getpgrp): Remove INTUSE.
	* resolv/res_init.c (__res_ninit, __res_randomid): Add
	libc_hidden_def.
	* shadow/getspent_r.c (NSS_attribute_hidden): Remove.
	* shadow/getspnam_r.c (NSS_attribute_hidden): Remove.
	* stdio-common/printf_fp.c (__printf_fp): Add libc_hidden_def.
	* stdlib/strfmon.c (__printf_fp): Add libc_hidden_proto.
	* stdlib/secure-getenv.c (__secure_getenv): Add libc_hidden_def.
	* sunrpc/rpc_thread.c (__rpc_thread_svc_fdset,
	__rpc_thread_createerr): Add libc_hidden_def.
	* sysdeps/alpha/alphaev67/rawmemchr.S (__rawmemchr): Add
	libc_hidden_def.
	* sysdeps/alpha/alphaev67/stpncpy.S (__stpncpy): Likewise.
	* sysdeps/alpha/rawmemchr.S (__rawmemchr): Likewise.
	* sysdeps/alpha/stpncpy.S (__stpncpy): Likewise.
	* sysdeps/generic/chown.c (__chown): Likewise.
	* sysdeps/generic/close.c (__close): Likewise.
	* sysdeps/generic/dup2.c (__dup2): Likewise.
	* sysdeps/generic/pipe.c (__pipe): Likewise.
	* sysdeps/generic/prof-freq.c (__profile_frequency): Likewise.
	* sysdeps/generic/pwrite64.c (__pwrite64): Likewise.
	* sysdeps/generic/rawmemchr.c (__rawmemchr): Likewise.
	* sysdeps/generic/read.c (__libc_read): Likewise.
	(__read): Add libc_hidden_weak.
	* sysdeps/generic/sbrk.c (__sbrk): Add libc_hidden_def.
	* sysdeps/generic/sched_sets.c (__sched_setscheduler): Likewise.
	* sysdeps/generic/select.c (__select): Likewise.
	* sysdeps/generic/send.c (__send): Likewise.
	* sysdeps/generic/setpgid.c (__setpgid): Likewise.
	* sysdeps/generic/sigaction.c (__sigaction): Likewise.
	* sysdeps/generic/sigsuspend.c (__sigsuspend): Likewise.
	* sysdeps/generic/statfs.c (__statfs): Likewise.
	* sysdeps/generic/stpncpy.c (__stpncpy): Likewise.
	* sysdeps/generic/strcasecmp.c (__strcasecmp): Likewise.
	* sysdeps/generic/getpagesize.c (__getpagesize): Likewise.
	Remove undef and INTDEF.
	* sysdeps/generic/getpgid.c (__getpgid): Likewise.
	* sysdeps/generic/getpid.c (__getpid): Likewise.
	* sysdeps/generic/write.c (__libc_write): Likewise.
	(__write): Add libc_hidden_weak.  Remove undef and INTDEF.
	* sysdeps/i386/rawmemchr.S (__rawmemchr): Add libc_hidden_def.
	* sysdeps/i386/stpncpy.S (__stpncpy): Likewise.
	* sysdeps/m68k/rawmemchr.S (__rawmemchr): Likewise.
	* sysdeps/mach/hurd/chown.c (__chown): Likewise.  Remove INTDEF.
	* sysdeps/mach/hurd/close.c (__close): Add libc_hidden_def.
	Remove undef and INTDEF.
	* sysdeps/mach/hurd/dup2.c (__dup2): Likewise.
	* sysdeps/mach/hurd/getpgid.c (__getpgid): Likewise.
	* sysdeps/mach/hurd/getpid.c (__getpid): Likewise.
	* sysdeps/mach/getpagesize.c (__getpagesize): Likewise.
	* sysdeps/mach/hurd/write.c (__libc_write): Likewise.
	(__write): Add libc_hidden_weak.  Remove undef and INTDEF.
	* sysdeps/mach/hurd/pipe.c: Include unistd.h.
	(__pipe): Add libc_hidden_def.
	* sysdeps/mach/hurd/dl-sysdep.c (__libc_read, __libc_write): Add
	libc_hidden_weak.
	* sysdeps/mach/hurd/poll.c (__poll): Add libc_hidden_def.
	* sysdeps/mach/hurd/profil.c (__profile_frequency): Likewise.
	* sysdeps/mach/hurd/read.c (__libc_read): Likewise.
	(__read): Add libc_hidden_weak.
	* sysdeps/mach/hurd/pwrite64.c (__pwrite64): Likewise.
	(__libc_pwrite64): Add libc_hidden_def.
	* sysdeps/mach/hurd/sbrk.c (__sbrk): Likewise.
	* sysdeps/mach/hurd/select.c (__select): Likewise.
	* sysdeps/mach/hurd/send.c (__send): Likewise.
	* sysdeps/mach/hurd/setpgid.c (__setpgid): Likewise.
	* sysdeps/mach/hurd/sigaction.c (__sigaction): Likewise.
	* sysdeps/mach/hurd/sigsuspend.c (__sigsuspend): Likewise.
	* sysdeps/mach/hurd/statfs.c (__statfs): Likewise.
	* sysdeps/posix/dup2.c: Likewise.
	Remove undef and INTDEF.
	* sysdeps/posix/getpagesize.c (__getpagesize): Likewise.
	* sysdeps/posix/pwrite64.c (__libc_pwrite64): Add libc_hidden_def.
	(__pwrite64): Add libc_hidden_weak.
	* sysdeps/posix/sigsuspend.c (__sigsuspend): Add libc_hidden_def.
	* sysdeps/sparc/sparc64/rawmemchr.S (__rawmemchr): Likewise.
	* sysdeps/sparc/sparc64/stpncpy.S (__stpncpy): Likewise.
	* sysdeps/standalone/close.c (__close): Likewise.
	* sysdeps/standalone/write.c (__libc_write): Likewise.
	(__write): Add libc_hidden_weak.
	* sysdeps/standalone/read.c (__read): Likewise.
	(__libc_read): Add libc_hidden_def.
	* sysdeps/unix/grantpt.c (grantpt): Remove INTUSE.
	* sysdeps/unix/bsd/m68k/pipe.S (__pipe): Add libc_hidden_def.
	* sysdeps/unix/bsd/osf/alpha/pipe.S (__pipe): Likewise.
	* sysdeps/unix/bsd/vax/pipe.S (__pipe): Likewise.
	* sysdeps/unix/bsd/syscalls.list (__GI___getpagesize): Likewise.
	* sysdeps/unix/bsd/poll.c (__poll): Likewise.
	* sysdeps/unix/bsd/sigaction.c (__sigaction): Likewise.
	* sysdeps/unix/bsd/sigsuspend.c (__sigsuspend): Likewise.
	* sysdeps/unix/common/syscalls.list (__GI___getpgid, __GI___setpgid,
	__GI___sigaction): Add.
	* sysdeps/unix/i386/pipe.S (__pipe): Add libc_hidden_def.
	* sysdeps/unix/inet/syscalls.list (__GI___send): Add.
	* sysdeps/unix/mips/pipe.S (__pipe): Add libc_hidden_def.
	* sysdeps/unix/sparc/pipe.S (__pipe): Likewise.
	* sysdeps/unix/sysv/irix4/syscalls.list (__GI___getpgid,
	__GI___setpgid): Add.
	* sysdeps/unix/sysv/aix/chown.c (__chown): Add libc_hidden_def.
	Remove undef and INTDEF.
	* sysdeps/unix/sysv/aix/getpgid.c (__getpgid): Likewise.
	* sysdeps/unix/sysv/aix/write.c (__write, __libc_write): Likewise.
	* sysdeps/unix/sysv/aix/close.c (__close): Add libc_hidden_def.
	* sysdeps/unix/sysv/aix/getpid.c (__getpid): Likewise.
	* sysdeps/unix/sysv/aix/pipe.c (__pipe): Likewise.
	* sysdeps/unix/sysv/aix/read.c (__read, __libc_read): Likewise.
	* sysdeps/unix/sysv/aix/poll.c (__poll): Likewise.
	* sysdeps/unix/sysv/aix/sbrk.c (__sbrk): Likewise.
	* sysdeps/unix/sysv/aix/sigaction.c (__sigaction): Likewise.
	* sysdeps/unix/sysv/aix/sigsuspend.c (__sigsuspend): Likewise.
	* sysdeps/unix/sysv/aix/statfs.c (__statfs): Likewise.
	* sysdeps/unix/sysv/aix/select.c (__select): Likewise.
	* sysdeps/unix/sysv/aix/setpgid.c (__setpgid): Likewise.
	* sysdeps/unix/sysv/linux/alpha/pipe.S (__pipe): Likewise.
	* sysdeps/unix/sysv/linux/alpha/syscalls.list (__GI___pwrite64,
	__GI___statfs, __GI___send): Add.
	* sysdeps/unix/sysv/linux/alpha/select.S (__select): Add
	libc_hidden_ver resp. libc_hidden_def.
	* sysdeps/unix/sysv/linux/alpha/sigsuspend.S (__sigsuspend): Add
	libc_hidden_def.
	* sysdeps/unix/sysv/linux/ia64/getpagesize.c (__getpagesize):
	Likewise.  Remove undef and INTDEF.
	* sysdeps/unix/sysv/linux/ia64/pipe.S (__pipe): Add libc_hidden_def.
	* sysdeps/unix/sysv/linux/ia64/syscalls.list (__GI___pwrite64,
	__GI___statfs, __GI___send): Add.
	* sysdeps/unix/sysv/linux/ia64/sigaction.c (__sigaction): Add
	libc_hidden_def.
	* sysdeps/unix/sysv/linux/ia64/sigsuspend.c (__sigsuspend):
	Likewise.
	* sysdeps/unix/sysv/linux/sh/pipe.S (__pipe): Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-32/chown.c (__chown): Add
	libc_hidden_ver resp. libc_hidden_def.
	* sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (__GI___pwrite64,
	__GI___send): Add.
	* sysdeps/unix/sysv/linux/s390/s390-64/sigaction.c (__sigaction):
	Add libc_hidden_weak.
	* sysdeps/unix/sysv/linux/s390/s390-64/sigsuspend.c (__sigsuspend):
	Add libc_hidden_def.
	* sysdeps/unix/sysv/linux/hppa/syscalls.list (__GI___send): Add.
	* sysdeps/unix/sysv/linux/arm/sigaction.c (__sigaction): Add
	libc_hidden_weak.
	* sysdeps/unix/sysv/linux/i386/chown.c (__chown): Add libc_hidden_ver
	resp. libc_hidden_def.
	* sysdeps/unix/sysv/linux/i386/sigaction.c (__sigaction): Add
	libc_hidden_weak.
	* sysdeps/unix/sysv/linux/m68k/chown.c (__chown): Likewise.  Remove
	INTDEF.
	* sysdeps/unix/sysv/linux/m68k/getpagesize.c (__getpagesize):
	Likewise.  Remove undef.
	* sysdeps/unix/sysv/linux/mips/pwrite64.c (__pwrite64): Add
	libc_hidden_weak.
	* sysdeps/unix/sysv/linux/mips/syscalls.list (__GI___send): Add.
	* sysdeps/unix/sysv/linux/mips/sigaction.c (__sigaction): Add
	libc_hidden_weak.
	* sysdeps/unix/sysv/linux/powerpc/chown.c (__chown): Add
	libc_hidden_def.
	* sysdeps/unix/sysv/linux/powerpc/pwrite64.c (__pwrite64): Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/getpagesize.c (__getpagesize):
	Likewise.  Remove undef and INTDEF.
	* sysdeps/unix/sysv/linux/sparc/sparc32/pipe.S (__pipe): Add
	libc_hidden_def.
	* sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c (__sigaction): Add
	libc_hidden_weak.
	* sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S (__pipe): Add
	libc_hidden_def.
	* sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list
	(__GI___pwrite64, __GI___statfs, __GI___select, __GI___send): Add.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c (__sigaction): Add
	libc_hidden_weak.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sigsuspend.c (__sigsuspend):
	Add libc_hidden_def.
	* sysdeps/unix/sysv/linux/x86_64/syscalls.list (__GI___pwrite64,
	__GI___statfs): Add.
	* sysdeps/unix/sysv/linux/x86_64/send.c (__send): Add
	libc_hidden_weak.
	* sysdeps/unix/sysv/linux/x86_64/sigaction.c (__sigaction): Likewise.
	* sysdeps/unix/sysv/linux/getpagesize.c: Add libc_hidden_def.
	Remove undef and INTDEF.
	* sysdeps/unix/sysv/linux/poll.c (__poll): Add libc_hidden_def.
	* sysdeps/unix/sysv/linux/pwrite64.c (__pwrite64): Add
	libc_hidden_def.
	* sysdeps/unix/sysv/linux/send.S (__send): Likewise.
	* sysdeps/unix/sysv/linux/sigaction.c (__sigaction): Add
	libc_hidden_weak.
	* sysdeps/unix/sysv/linux/sigsuspend.c (__sigsuspend): Add
	libc_hidden_def.
	* sysdeps/unix/sysv/sco3.2.4/__setpgid.c (__setpgid): Likewise.
	* sysdeps/unix/sysv/sco3.2.4/sigaction.S (__sigaction): Likewise.
	* sysdeps/unix/sysv/sysv4/solaris2/syscalls.list (__GI___sigaction):
	Add.
	* sysdeps/unix/sysv/sysv4/__getpgid.c (__getpgid): Add
	libc_hidden_def.  Remove undef and INTDEF.
	* sysdeps/unix/sysv/sysv4/getpgid.c (__getpgid): Likewise.
	* sysdeps/unix/sysv/sysv4/__setpgid.c (__setpgid): Add
	libc_hidden_def.
	* sysdeps/unix/sysv/sysv4/setpgid.c (__setpgid): Likewise.
	* sysdeps/unix/sysv/sysv4/sigaction.c (__sigaction): Likewise.
	* sysdeps/unix/sysv/sigaction.c (__sigaction): Likewise.
	* sysdeps/unix/getpagesize.c (__getpagesize): Add libc_hidden_def.
	Remove undef and INTDEF.
	* configure.in (HAVE_BROKEN_VISIBILITY_ATTRIBUTE): Add check for
	broken visibility attribute handling.
	* config.h.in (HAVE_BROKEN_VISIBILITY_ATTRIBUTE): Add.

2002-08-02  Ulrich Drepper  <drepper@redhat.com>
2002-08-03 07:02:10 +00:00

203 lines
5.4 KiB
C

/* Copyright (C) 1992-1997,1999,2000,2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <fcntl.h>
#include <hurd.h>
#include <hurd/fd.h>
#include <stdarg.h>
#include <sys/file.h> /* XXX for LOCK_* */
/* Perform file control operations on FD. */
int
__libc_fcntl (int fd, int cmd, ...)
{
va_list ap;
struct hurd_fd *d;
int result;
d = _hurd_fd_get (fd);
if (d == NULL)
return __hurd_fail (EBADF);
va_start (ap, cmd);
switch (cmd)
{
error_t err;
default: /* Bad command. */
errno = EINVAL;
result = -1;
break;
/* First the descriptor-based commands, which do no RPCs. */
case F_DUPFD: /* Duplicate the file descriptor. */
{
struct hurd_fd *new;
io_t port, ctty;
struct hurd_userlink ulink, ctty_ulink;
int flags;
HURD_CRITICAL_BEGIN;
/* Extract the ports and flags from the file descriptor. */
__spin_lock (&d->port.lock);
flags = d->flags;
ctty = _hurd_port_get (&d->ctty, &ctty_ulink);
port = _hurd_port_locked_get (&d->port, &ulink); /* Unlocks D. */
/* Get a new file descriptor. The third argument to __fcntl is the
minimum file descriptor number for it. */
new = _hurd_alloc_fd (&result, va_arg (ap, int));
if (new == NULL)
/* _hurd_alloc_fd has set errno. */
result = -1;
else
{
/* Give the ports each a user ref for the new descriptor. */
__mach_port_mod_refs (__mach_task_self (), port,
MACH_PORT_RIGHT_SEND, 1);
if (ctty != MACH_PORT_NULL)
__mach_port_mod_refs (__mach_task_self (), ctty,
MACH_PORT_RIGHT_SEND, 1);
/* Install the ports and flags in the new descriptor. */
if (ctty != MACH_PORT_NULL)
_hurd_port_set (&new->ctty, ctty);
/* Duplication clears the FD_CLOEXEC flag. */
new->flags = flags & ~FD_CLOEXEC;
_hurd_port_locked_set (&new->port, port); /* Unlocks NEW. */
}
HURD_CRITICAL_END;
_hurd_port_free (&d->port, &ulink, port);
if (ctty != MACH_PORT_NULL)
_hurd_port_free (&d->ctty, &ctty_ulink, port);
break;
}
/* Set RESULT by evaluating EXPR with the descriptor locked.
Check for an empty descriptor and return EBADF. */
#define LOCKED(expr) \
HURD_CRITICAL_BEGIN; \
__spin_lock (&d->port.lock); \
if (d->port.port == MACH_PORT_NULL) \
result = __hurd_fail (EBADF); \
else \
result = (expr); \
__spin_unlock (&d->port.lock); \
HURD_CRITICAL_END;
case F_GETFD: /* Get descriptor flags. */
LOCKED (d->flags);
break;
case F_SETFD: /* Set descriptor flags. */
LOCKED ((d->flags = va_arg (ap, int), 0));
break;
/* Now the real io operations, done by RPCs to io servers. */
case F_GETLK:
case F_SETLK:
case F_SETLKW:
{
/* XXX
We need new RPCs to support POSIX.1 fcntl file locking!!
For the time being we support the whole-file case only,
with all kinds of WRONG WRONG WRONG semantics,
by using flock. This is definitely the Wrong Thing,
but it might be better than nothing (?). */
struct flock *fl = va_arg (ap, struct flock *);
va_end (ap);
switch (cmd)
{
case F_GETLK:
errno = ENOSYS;
return -1;
case F_SETLK:
cmd = LOCK_NB;
break;
default:
cmd = 0;
break;
}
switch (fl->l_type)
{
case F_RDLCK: cmd |= LOCK_SH; break;
case F_WRLCK: cmd |= LOCK_EX; break;
case F_UNLCK: cmd |= LOCK_UN; break;
default:
errno = EINVAL;
return -1;
}
switch (fl->l_whence)
{
case SEEK_SET:
if (fl->l_start == 0 && fl->l_len == 0)
break;
/* FALLTHROUGH */
case SEEK_CUR:
case SEEK_END:
errno = ENOTSUP;
return -1;
default:
errno = EINVAL;
return -1;
}
return __flock (fd, cmd);
}
case F_GETFL: /* Get per-open flags. */
if (err = HURD_FD_PORT_USE (d, __io_get_openmodes (port, &result)))
result = __hurd_dfail (fd, err);
break;
case F_SETFL: /* Set per-open flags. */
err = HURD_FD_PORT_USE (d, __io_set_all_openmodes (port,
va_arg (ap, int)));
result = err ? __hurd_dfail (fd, err) : 0;
break;
case F_GETOWN: /* Get owner. */
if (err = HURD_FD_PORT_USE (d, __io_get_owner (port, &result)))
result = __hurd_dfail (fd, err);
break;
case F_SETOWN: /* Set owner. */
err = HURD_FD_PORT_USE (d, __io_mod_owner (port, va_arg (ap, pid_t)));
result = err ? __hurd_dfail (fd, err) : 0;
break;
}
va_end (ap);
return result;
}
libc_hidden_def (__libc_fcntl)
weak_alias (__libc_fcntl, __fcntl)
libc_hidden_weak (__fcntl)
weak_alias (__libc_fcntl, fcntl)