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_aix_defs_h___
michael@0: #define nspr_aix_defs_h___
michael@0: 
michael@0: #include <sys/types.h>
michael@0: #if defined(_PR_PTHREADS) || defined(PTHREADS_USER)
michael@0: #include <pthread.h>
michael@0: #endif
michael@0: 
michael@0: /*
michael@0:  * To pick up fd_set and the poll events.
michael@0:  */
michael@0: #include <sys/select.h>
michael@0: #include <sys/poll.h>
michael@0: 
michael@0: /*
michael@0:  * Internal configuration macros
michael@0:  */
michael@0: 
michael@0: #define PR_LINKER_ARCH          "aix"
michael@0: #define _PR_SI_SYSNAME		    "AIX"
michael@0: #define _PR_SI_ARCHITECTURE	    "rs6000"
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	(2*65536L)
michael@0: #define _MD_MINIMUM_STACK_SIZE	(2*65536L)
michael@0: #define _MD_MMAP_FLAGS		    MAP_PRIVATE
michael@0: 
michael@0: #define NEED_TIME_R
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	USE_DLFCN
michael@0: #define _PR_HAVE_SOCKADDR_LEN
michael@0: #define _PR_POLL_AVAILABLE
michael@0: #define _PR_USE_POLL
michael@0: #define _PR_STAT_HAS_ONLY_ST_ATIME
michael@0: #ifdef _PR_INET6
michael@0: #define _PR_HAVE_INET_NTOP
michael@0: #define _PR_HAVE_GETHOSTBYNAME2
michael@0: #ifdef _AIX51 /* AIX 4.3.3 does not have AI_NUMERICHOST. */
michael@0: #define _PR_HAVE_GETADDRINFO
michael@0: #endif
michael@0: #endif
michael@0: #define _PR_HAVE_SYSV_SEMAPHORES
michael@0: #define PR_HAVE_SYSV_NAMED_SHARED_MEMORY
michael@0: #define _PR_ACCEPT_INHERIT_NONBLOCK
michael@0: 
michael@0: /* Timer operations */
michael@0: #if defined(AIX_TIMERS)
michael@0: #define _MD_INTERVAL_INIT()
michael@0: 
michael@0: extern PRIntervalTime _MD_AixGetInterval(void);
michael@0: #define _MD_GET_INTERVAL _MD_AixGetInterval
michael@0: 
michael@0: extern PRIntervalTime _MD_AixIntervalPerSec(void);
michael@0: #define _MD_INTERVAL_PER_SEC _MD_AixIntervalPerSec
michael@0: 
michael@0: #else  /* defined(AIX_TIMERS) */
michael@0: #define _MD_INTERVAL_USE_GTOD
michael@0: #endif  /* defined(AIX_TIMERS) */
michael@0: 
michael@0: #ifdef AIX_HAVE_ATOMIC_OP_H
michael@0: /* The atomic operations */
michael@0: #include <sys/atomic_op.h>
michael@0: #define _PR_HAVE_ATOMIC_OPS
michael@0: #ifndef IS_64
michael@0: #define _PR_HAVE_ATOMIC_CAS
michael@0: #endif
michael@0: #define _MD_INIT_ATOMIC()
michael@0: #define _MD_ATOMIC_INCREMENT(val)   ((PRInt32)fetch_and_add((atomic_p)val, 1) + 1)
michael@0: #define _MD_ATOMIC_ADD(ptr, val)   ((PRInt32)fetch_and_add((atomic_p)ptr, val) + val)
michael@0: #define _MD_ATOMIC_DECREMENT(val)   ((PRInt32)fetch_and_add((atomic_p)val, -1) - 1)
michael@0: #define _MD_ATOMIC_SET(val, newval) _AIX_AtomicSet(val, newval)
michael@0: #endif /* AIX_HAVE_ATOMIC_OP_H */
michael@0: 
michael@0: #define USE_SETJMP
michael@0: 
michael@0: #include <setjmp.h>
michael@0: 
michael@0: #define _MD_GET_SP(_t)				(_t)->md.jb[3]
michael@0: #define _MD_SET_THR_SP(_t, _sp)		((_t)->md.jb[3] = (int) (_sp - 2 * 64))
michael@0: #define PR_NUM_GCREGS				_JBLEN
michael@0: 
michael@0: #define CONTEXT(_th) 				((_th)->md.jb)
michael@0: #define SAVE_CONTEXT(_th)			_setjmp(CONTEXT(_th))
michael@0: #define GOTO_CONTEXT(_th)			_longjmp(CONTEXT(_th), 1)
michael@0: 
michael@0: #ifdef PTHREADS_USER
michael@0: #include "_nspr_pthread.h"
michael@0: #else
michael@0: 
michael@0: /*
michael@0: ** Initialize the thread context preparing it to execute _main.
michael@0: */
michael@0: #define _MD_INIT_CONTEXT(_thread, _sp, _main, status)	      \
michael@0:     PR_BEGIN_MACRO				      \
michael@0:         *status = PR_TRUE;              \
michael@0: 	if (setjmp(CONTEXT(_thread))) {	\
michael@0: 	    (*_main)();			\
michael@0: 	}				\
michael@0: 	_MD_GET_SP(_thread) = (int) (_sp - 2 * 64);		\
michael@0:     PR_END_MACRO
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 jb;
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: #if !defined(_PR_PTHREADS)
michael@0: #define _MD_INIT_LOCKS()
michael@0: #endif
michael@0: 
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: #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: #endif /* PTHREADS_USER */
michael@0: 
michael@0: #ifdef AIX_RENAME_SELECT
michael@0: #define _MD_SELECT	select
michael@0: #define _MD_POLL	poll
michael@0: #endif
michael@0: 
michael@0: extern void _MD_aix_map_sendfile_error(int err);
michael@0: 
michael@0: #endif /* nspr_aix_defs_h___ */