зеркало из https://github.com/mozilla/gecko-dev.git
223 строки
6.0 KiB
C
223 строки
6.0 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef nspr_osf1_defs_h___
|
|
#define nspr_osf1_defs_h___
|
|
|
|
/*
|
|
* Internal configuration macros
|
|
*/
|
|
|
|
#define PR_LINKER_ARCH "osf"
|
|
#define _PR_SI_SYSNAME "OSF"
|
|
#define _PR_SI_ARCHITECTURE "alpha"
|
|
#define PR_DLL_SUFFIX ".so"
|
|
|
|
#define _PR_VMBASE 0x30000000
|
|
#define _PR_STACK_VMBASE 0x50000000
|
|
#define _MD_DEFAULT_STACK_SIZE 131072L
|
|
#define _MD_MMAP_FLAGS MAP_PRIVATE
|
|
|
|
#undef HAVE_STACK_GROWING_UP
|
|
#undef HAVE_WEAK_IO_SYMBOLS
|
|
#undef HAVE_WEAK_MALLOC_SYMBOLS
|
|
#define HAVE_DLL
|
|
#define HAVE_BSD_FLOCK
|
|
|
|
#define NEED_TIME_R
|
|
#define USE_DLFCN
|
|
|
|
#define _PR_POLL_AVAILABLE
|
|
#define _PR_USE_POLL
|
|
#define _PR_STAT_HAS_ONLY_ST_ATIME
|
|
#define _PR_HAVE_LARGE_OFF_T
|
|
#define _PR_HAVE_GETIPNODEBYNAME
|
|
#define _PR_HAVE_GETIPNODEBYADDR
|
|
#define _PR_HAVE_GETADDRINFO
|
|
#define _PR_INET6_PROBE
|
|
#ifdef _PR_INET6
|
|
#define _PR_HAVE_INET_NTOP
|
|
#else
|
|
#define AF_INET6 26
|
|
#ifndef AI_CANONNAME
|
|
#define AI_CANONNAME 0x00000002
|
|
struct addrinfo {
|
|
int ai_flags;
|
|
int ai_family;
|
|
int ai_socktype;
|
|
int ai_protocol;
|
|
size_t ai_addrlen;
|
|
char *ai_canonname;
|
|
struct sockaddr *ai_addr;
|
|
struct addrinfo *ai_next;
|
|
};
|
|
#endif
|
|
#define AI_V4MAPPED 0x00000010
|
|
#define AI_ALL 0x00000008
|
|
#define AI_ADDRCONFIG 0x00000020
|
|
#endif
|
|
#define _PR_HAVE_POSIX_SEMAPHORES
|
|
#define PR_HAVE_POSIX_NAMED_SHARED_MEMORY
|
|
|
|
#define USE_SETJMP
|
|
|
|
#include <setjmp.h>
|
|
|
|
/*
|
|
* A jmp_buf is actually a struct sigcontext. The sc_sp field of
|
|
* struct sigcontext is the stack pointer.
|
|
*/
|
|
#define _MD_GET_SP(_t) (((struct sigcontext *) (_t)->md.context)->sc_sp)
|
|
#define PR_NUM_GCREGS _JBLEN
|
|
#define CONTEXT(_th) ((_th)->md.context)
|
|
|
|
/*
|
|
** Initialize a thread context to run "_main()" when started
|
|
*/
|
|
#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
|
|
{ \
|
|
*status = PR_TRUE; \
|
|
if (setjmp(CONTEXT(_thread))) { \
|
|
(*_main)(); \
|
|
} \
|
|
_MD_GET_SP(_thread) = (long) ((_sp) - 64); \
|
|
_MD_GET_SP(_thread) &= ~15; \
|
|
}
|
|
|
|
#define _MD_SWITCH_CONTEXT(_thread) \
|
|
if (!setjmp(CONTEXT(_thread))) { \
|
|
(_thread)->md.errcode = errno; \
|
|
_PR_Schedule(); \
|
|
}
|
|
|
|
/*
|
|
** Restore a thread context, saved by _MD_SWITCH_CONTEXT
|
|
*/
|
|
#define _MD_RESTORE_CONTEXT(_thread) \
|
|
{ \
|
|
errno = (_thread)->md.errcode; \
|
|
_MD_SET_CURRENT_THREAD(_thread); \
|
|
longjmp(CONTEXT(_thread), 1); \
|
|
}
|
|
|
|
/* Machine-dependent (MD) data structures */
|
|
|
|
struct _MDThread {
|
|
jmp_buf context;
|
|
int id;
|
|
int errcode;
|
|
};
|
|
|
|
struct _MDThreadStack {
|
|
PRInt8 notused;
|
|
};
|
|
|
|
struct _MDLock {
|
|
PRInt8 notused;
|
|
};
|
|
|
|
struct _MDSemaphore {
|
|
PRInt8 notused;
|
|
};
|
|
|
|
struct _MDCVar {
|
|
PRInt8 notused;
|
|
};
|
|
|
|
struct _MDSegment {
|
|
PRInt8 notused;
|
|
};
|
|
|
|
/*
|
|
* md-specific cpu structure field
|
|
*/
|
|
#define _PR_MD_MAX_OSFD FD_SETSIZE
|
|
|
|
struct _MDCPU_Unix {
|
|
PRCList ioQ;
|
|
PRUint32 ioq_timeout;
|
|
PRInt32 ioq_max_osfd;
|
|
PRInt32 ioq_osfd_cnt;
|
|
#ifndef _PR_USE_POLL
|
|
fd_set fd_read_set, fd_write_set, fd_exception_set;
|
|
PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
|
|
fd_exception_cnt[_PR_MD_MAX_OSFD];
|
|
#else
|
|
struct pollfd *ioq_pollfds;
|
|
int ioq_pollfds_size;
|
|
#endif /* _PR_USE_POLL */
|
|
};
|
|
|
|
#define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
|
|
#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
|
|
#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
|
|
#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
|
|
#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
|
|
#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
|
|
#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
|
|
#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
|
|
#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
|
|
#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
|
|
#define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
|
|
#define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
|
|
#define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
|
|
|
|
#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
|
|
|
|
struct _MDCPU {
|
|
struct _MDCPU_Unix md_unix;
|
|
};
|
|
|
|
#ifndef _PR_PTHREADS
|
|
#define _MD_INIT_LOCKS()
|
|
#endif
|
|
#define _MD_NEW_LOCK(lock) PR_SUCCESS
|
|
#define _MD_FREE_LOCK(lock)
|
|
#define _MD_LOCK(lock)
|
|
#define _MD_UNLOCK(lock)
|
|
#define _MD_INIT_IO()
|
|
#define _MD_IOQ_LOCK()
|
|
#define _MD_IOQ_UNLOCK()
|
|
|
|
/*
|
|
* The following are copied from _sunos.h, _aix.h. This means
|
|
* some of them should probably be moved into _unixos.h. But
|
|
* _irix.h seems to be quite different in regard to these macros.
|
|
*/
|
|
#define _MD_INTERVAL_USE_GTOD
|
|
|
|
#define _MD_EARLY_INIT _MD_EarlyInit
|
|
#define _MD_FINAL_INIT _PR_UnixInit
|
|
#define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
|
|
#define _MD_INIT_THREAD _MD_InitializeThread
|
|
#define _MD_EXIT_THREAD(thread)
|
|
#define _MD_SUSPEND_THREAD(thread)
|
|
#define _MD_RESUME_THREAD(thread)
|
|
#define _MD_CLEAN_THREAD(_thread)
|
|
|
|
/* The following defines unwrapped versions of select() and poll(). */
|
|
#include <sys/time.h>
|
|
extern int __select (int, fd_set *, fd_set *, fd_set *, struct timeval *);
|
|
#define _MD_SELECT __select
|
|
|
|
#include <sys/poll.h>
|
|
#define _MD_POLL __poll
|
|
extern int __poll(struct pollfd filedes[], unsigned int nfds, int timeout);
|
|
|
|
/*
|
|
* Atomic operations
|
|
*/
|
|
#ifdef OSF1_HAVE_MACHINE_BUILTINS_H
|
|
#include <machine/builtins.h>
|
|
#define _PR_HAVE_ATOMIC_OPS
|
|
#define _MD_INIT_ATOMIC()
|
|
#define _MD_ATOMIC_INCREMENT(val) (__ATOMIC_INCREMENT_LONG(val) + 1)
|
|
#define _MD_ATOMIC_ADD(ptr, val) (__ATOMIC_ADD_LONG(ptr, val) + val)
|
|
#define _MD_ATOMIC_DECREMENT(val) (__ATOMIC_DECREMENT_LONG(val) - 1)
|
|
#define _MD_ATOMIC_SET(val, newval) __ATOMIC_EXCH_LONG(val, newval)
|
|
#endif /* OSF1_HAVE_MACHINE_BUILTINS_H */
|
|
|
|
#endif /* nspr_osf1_defs_h___ */
|