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use libco instead of state-thread(st), still have some bug
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xiaozhihong
parent
51d6c367f5
commit
7c8a35aea9
88 changed files with 4836 additions and 19273 deletions
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Netscape Portable Runtime library.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1994-2000 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s): Silicon Graphics, Inc.
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*
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* Portions created by SGI are Copyright (C) 2000-2001 Silicon
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* Graphics, Inc. All Rights Reserved.
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU General Public License Version 2 or later (the
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* "GPL"), in which case the provisions of the GPL are applicable
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* instead of those above. If you wish to allow use of your
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* version of this file only under the terms of the GPL and not to
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* allow others to use your version of this file under the MPL,
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* indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by
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* the GPL. If you do not delete the provisions above, a recipient
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* may use your version of this file under either the MPL or the
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* GPL.
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*/
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/*
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* This file is derived directly from Netscape Communications Corporation,
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* and consists of extensive modifications made during the year(s) 1999-2000.
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*/
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#ifndef __ST_MD_H__
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#define __ST_MD_H__
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#if defined(ETIMEDOUT) && !defined(ETIME)
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#define ETIME ETIMEDOUT
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#endif
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#if defined(MAP_ANONYMOUS) && !defined(MAP_ANON)
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#define MAP_ANON MAP_ANONYMOUS
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#endif
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#ifndef MAP_FAILED
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#define MAP_FAILED -1
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#endif
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/*****************************************
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* Platform specifics
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*/
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#if defined (LINUX)
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/* linux ok, defined bellow */
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#elif defined (AIX)
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#error "AIX not supported"
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#elif defined (CYGWIN)
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#error "CYGWIN not supported"
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#elif defined (DARWIN)
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#error "DARWIN not supported"
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#elif defined (FREEBSD)
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#error "FREEBSD not supported"
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#elif defined (HPUX)
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#error "HPUX not supported"
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#elif defined (IRIX)
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#error "IRIX not supported"
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#elif defined (NETBSD)
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#error "NETBSD not supported"
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#elif defined (OPENBSD)
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#error "OPENBSD not supported"
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#elif defined (OSF1)
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#error "OSF1 not supported"
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#elif defined (SOLARIS)
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#error "SOLARIS not supported"
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#else
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#error "Unknown OS"
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#endif /* OS */
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/* linux only, defined bellow */
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/*
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* These are properties of the linux kernel and are the same on every
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* flavor and architecture.
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*/
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#define MD_USE_BSD_ANON_MMAP
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#define MD_ACCEPT_NB_NOT_INHERITED
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#define MD_ALWAYS_UNSERIALIZED_ACCEPT
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/*
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* Modern GNU/Linux is Posix.1g compliant.
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*/
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#define MD_HAVE_SOCKLEN_T
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/*
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* All architectures and flavors of linux have the gettimeofday
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* function but if you know of a faster way, use it.
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*/
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#define MD_GET_UTIME() \
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struct timeval tv; \
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(void) gettimeofday(&tv, NULL); \
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return (tv.tv_sec * 1000000LL + tv.tv_usec)
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#if defined(__mips__)
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#define MD_STACK_GROWS_DOWN
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#else /* Not or mips */
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/*
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* On linux, there are a few styles of jmpbuf format. These vary based
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* on architecture/glibc combination.
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*
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* Most of the glibc based toggles were lifted from:
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* mozilla/nsprpub/pr/include/md/_linux.h
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*/
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/*
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* Starting with glibc 2.4, JB_SP definitions are not public anymore.
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* They, however, can still be found in glibc source tree in
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* architecture-specific "jmpbuf-offsets.h" files.
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* Most importantly, the content of jmp_buf is mangled by setjmp to make
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* it completely opaque (the mangling can be disabled by setting the
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* LD_POINTER_GUARD environment variable before application execution).
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* Therefore we will use built-in _st_md_cxt_save/_st_md_cxt_restore
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* functions as a setjmp/longjmp replacement wherever they are available
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* unless USE_LIBC_SETJMP is defined.
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*/
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#if defined(__i386__)
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#define MD_STACK_GROWS_DOWN
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#define MD_USE_BUILTIN_SETJMP
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#if defined(__GLIBC__) && __GLIBC__ >= 2
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#ifndef JB_SP
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#define JB_SP 4
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#endif
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#define MD_GET_SP(_t) (_t)->context[0].__jmpbuf[JB_SP]
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#else
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/* not an error but certainly cause for caution */
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#error "Untested use of old glibc on i386"
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#define MD_GET_SP(_t) (_t)->context[0].__jmpbuf[0].__sp
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#endif
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#elif defined(__amd64__) || defined(__x86_64__)
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#define MD_STACK_GROWS_DOWN
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#define MD_USE_BUILTIN_SETJMP
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#ifndef JB_RSP
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#define JB_RSP 6
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#endif
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#define MD_GET_SP(_t) (_t)->context[0].__jmpbuf[JB_RSP]
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#elif defined(__arm__)
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#define MD_STACK_GROWS_DOWN
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#if defined(__GLIBC__) && __GLIBC__ >= 2
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#define MD_GET_SP(_t) (_t)->context[0].__jmpbuf[8]
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#else
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#error "ARM/Linux pre-glibc2 not supported yet"
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#endif /* defined(__GLIBC__) && __GLIBC__ >= 2 */
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#else
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#error "Unknown CPU architecture"
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#endif /* Cases with common MD_INIT_CONTEXT and different SP locations */
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#endif /* Cases with different MD_INIT_CONTEXT */
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#if defined(MD_USE_BUILTIN_SETJMP) && !defined(USE_LIBC_SETJMP)
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/* i386/x86_64 */
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#define MD_SETJMP(env) _st_md_cxt_save(env)
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#define MD_LONGJMP(env, val) _st_md_cxt_restore(env, val)
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extern int _st_md_cxt_save(jmp_buf env);
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extern void _st_md_cxt_restore(jmp_buf env, int val);
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#else
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/* arm/mips */
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#define MD_SETJMP(env) setjmp(env)
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#define MD_LONGJMP(env, val) longjmp(env, val)
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#endif
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/*****************************************
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* Other defines
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*/
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#ifndef MD_STACK_PAD_SIZE
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#define MD_STACK_PAD_SIZE 128
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#endif
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#if !defined(MD_HAVE_SOCKLEN_T) && !defined(socklen_t)
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#define socklen_t int
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#endif
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#ifndef MD_CAP_STACK
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#define MD_CAP_STACK(var_addr)
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#endif
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#endif /* !__ST_MD_H__ */
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