1635c221b7
adding (weak definitions to) stubs for some of the pthread functions. If the threads library is linked in, the real pthread functions will pulled in. Use the following convention for system calls wrapped by the threads library: __sys_foo - actual system call _foo - weak definition to __sys_foo foo - weak definition to __sys_foo Change all libc uses of system calls wrapped by the threads library from foo to _foo. In order to define the prototypes for _foo(), we introduce namespace.h and un-namespace.h (suggested by bde). All files that need to reference these system calls, should include namespace.h before any standard includes, then include un-namespace.h after the standard includes and before any local includes. <db.h> is an exception and shouldn't be included in between namespace.h and un-namespace.h namespace.h will define foo to _foo, and un-namespace.h will undefine foo. Try to eliminate some of the recursive calls to MT-safe functions in libc/stdio in preparation for adding a mutex to FILE. We have recursive mutexes, but would like to avoid using them if possible. Remove uneeded includes of <errno.h> from a few files. Add $FreeBSD$ to a few files in order to pass commitprep. Approved by: -arch
135 lines
3.4 KiB
C
135 lines
3.4 KiB
C
/*
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* Copyright (c) 2001 Daniel Eischen <deischen@FreeBSD.org>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _UN_NAMESPACE_H_
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#define _UN_NAMESPACE_H_
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#undef accept
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#undef bind
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#undef close
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#undef connect
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#undef dup
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#undef dup2
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#undef execve
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#undef fcntl
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#undef flock
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#undef flockfile
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#undef fstat
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#undef fstatfs
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#undef fsync
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#undef funlockfile
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#undef getdirentries
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#undef getlogin
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#undef getpeername
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#undef getsockname
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#undef getsockopt
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#undef ioctl
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#undef kevent
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#undef listen
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#undef nanosleep
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#undef open
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#undef pthread_getspecific
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#undef pthread_key_create
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#undef pthread_key_delete
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#undef pthread_mutex_destroy
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#undef pthread_mutex_init
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#undef pthread_mutex_lock
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#undef pthread_mutex_trylock
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#undef pthread_mutex_unlock
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#undef pthread_mutexattr_init
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#undef pthread_mutexattr_destroy
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#undef pthread_mutexattr_settype
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#undef pthread_once
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#undef pthread_setspecific
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#undef read
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#undef readv
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#undef recvfrom
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#undef recvmsg
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#undef select
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#undef sendmsg
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#undef sendto
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#undef setsockopt
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#undef sigaction
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#undef sigprocmask
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#undef sigsuspend
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#undef socket
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#undef socketpair
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#undef wait4
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#undef write
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#undef writev
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#if 0
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#undef creat
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#undef fchflags
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#undef fchmod
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#undef fpathconf
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#undef ftrylockfile
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#undef msync
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#undef nfssvc
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#undef pause
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#undef poll
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#undef pthread_rwlock_destroy
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#undef pthread_rwlock_init
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#undef pthread_rwlock_rdlock
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#undef pthread_rwlock_tryrdlock
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#undef pthread_rwlock_trywrlock
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#undef pthread_rwlock_unlock
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#undef pthread_rwlock_wrlock
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#undef pthread_rwlockattr_init
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#undef pthread_rwlockattr_destroy
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#undef pthread_self
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#undef sched_yield
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#undef sendfile
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#undef shutdown
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#undef sigaltstack
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#undef signanosleep
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#undef sigpending
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#undef sigreturn
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#undef sigsetmask
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#undef sleep
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#undef system
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#undef tcdrain
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#undef wait
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#undef waitpid
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#endif /* 0 */
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#ifdef _SIGNAL_H_
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int _sigaction(int, const struct sigaction *, struct sigaction *);
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#endif
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#ifdef _SYS_EVENT_H_
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int _kevent(int, const struct kevent *, int, struct kevent *,
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int, const struct timespec *);
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#endif
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#ifdef _SYS_FCNTL_H_
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int _flock(int, int);
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#endif
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#endif /* _UN_NAMESPACE_H_ */
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