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