зеркало из https://github.com/mozilla/gecko-dev.git
183 строки
4.6 KiB
C
183 строки
4.6 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nspr_bsdi_defs_h___
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#define nspr_bsdi_defs_h___
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/*
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* Internal configuration macros
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*/
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#include <sys/param.h> /* for _BSDI_VERSION */
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#define PR_LINKER_ARCH "bsdi"
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#define _PR_SI_SYSNAME "BSDI"
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#if defined(__i386__)
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#define _PR_SI_ARCHITECTURE "x86"
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#elif defined(__sparc__)
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#define _PR_SI_ARCHITECTURE "sparc"
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#else
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#error "Unknown CPU architecture"
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#endif
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#define PR_DLL_SUFFIX ".so"
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#define _PR_STACK_VMBASE 0x50000000
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#define _MD_DEFAULT_STACK_SIZE 65536L
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#define _MD_MMAP_FLAGS MAP_PRIVATE
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#define HAVE_BSD_FLOCK
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#define NEED_TIME_R
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#define _PR_HAVE_SOCKADDR_LEN
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#define _PR_NO_LARGE_FILES
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#define USE_SETJMP
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/* BSD/OS 4.3 and newer all have IPv6 support */
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#if _BSDI_VERSION >= 200105
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#define _PR_INET6
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#define _PR_HAVE_INET_NTOP
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#define _PR_HAVE_GETIPNODEBYNAME
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#define _PR_HAVE_GETIPNODEBYADDR
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#define _PR_HAVE_GETADDRINFO
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#define _PR_INET6_PROBE
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#endif
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#ifndef _PR_PTHREADS
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#include <setjmp.h>
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#if defined(_PR_BSDI_JMPBUF_IS_ARRAY)
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#define _MD_GET_SP(_t) (_t)->md.context[2]
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#elif defined(_PR_BSDI_JMPBUF_IS_STRUCT)
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#define _MD_GET_SP(_t) (_t)->md.context[0].jb_esp
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#else
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#error "Unknown BSDI jmp_buf type"
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#endif
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#define PR_NUM_GCREGS _JBLEN
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#define PR_CONTEXT_TYPE jmp_buf
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#define CONTEXT(_th) ((_th)->md.context)
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#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
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{ \
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*status = PR_TRUE; \
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if (setjmp(CONTEXT(_thread))) { \
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_main(); \
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} \
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_MD_GET_SP(_thread) = (int) (_sp - 64); \
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}
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#define _MD_SWITCH_CONTEXT(_thread) \
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if (!setjmp(CONTEXT(_thread))) { \
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(_thread)->md.errcode = errno; \
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_PR_Schedule(); \
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}
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/*
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** Restore a thread context, saved by _MD_SWITCH_CONTEXT
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*/
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#define _MD_RESTORE_CONTEXT(_thread) \
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{ \
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errno = (_thread)->md.errcode; \
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_MD_SET_CURRENT_THREAD(_thread); \
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longjmp(CONTEXT(_thread), 1); \
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}
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/* Machine-dependent (MD) data structures */
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struct _MDThread {
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PR_CONTEXT_TYPE context;
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int id;
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int errcode;
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};
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struct _MDThreadStack {
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PRInt8 notused;
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};
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struct _MDLock {
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PRInt8 notused;
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};
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struct _MDSemaphore {
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PRInt8 notused;
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};
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struct _MDCVar {
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PRInt8 notused;
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};
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struct _MDSegment {
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PRInt8 notused;
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};
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/*
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* md-specific cpu structure field
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*/
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#define _PR_MD_MAX_OSFD FD_SETSIZE
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struct _MDCPU_Unix {
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PRCList ioQ;
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PRUint32 ioq_timeout;
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PRInt32 ioq_max_osfd;
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PRInt32 ioq_osfd_cnt;
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#ifndef _PR_USE_POLL
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fd_set fd_read_set, fd_write_set, fd_exception_set;
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PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
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fd_exception_cnt[_PR_MD_MAX_OSFD];
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#else
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struct pollfd *ioq_pollfds;
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int ioq_pollfds_size;
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#endif /* _PR_USE_POLL */
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};
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#define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
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#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
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#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
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#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
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#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
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#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
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#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
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#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
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#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
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#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
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#define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
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#define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
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#define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
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#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
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struct _MDCPU {
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struct _MDCPU_Unix md_unix;
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};
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#define _MD_INIT_LOCKS()
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#define _MD_NEW_LOCK(lock) PR_SUCCESS
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#define _MD_FREE_LOCK(lock)
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#define _MD_LOCK(lock)
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#define _MD_UNLOCK(lock)
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#define _MD_INIT_IO()
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#define _MD_IOQ_LOCK()
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#define _MD_IOQ_UNLOCK()
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#define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
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#define _MD_INIT_THREAD _MD_InitializeThread
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#define _MD_EXIT_THREAD(thread)
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#define _MD_CLEAN_THREAD(_thread)
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#endif /* ! _PR_PTHREADS */
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#define _MD_EARLY_INIT _MD_EarlyInit
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#define _MD_FINAL_INIT _PR_UnixInit
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#include <sys/syscall.h>
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#define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv)
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#define _MD_GET_INTERVAL _PR_UNIX_GetInterval
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#define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond
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#endif /* nspr_bsdi_defs_h___ */
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