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Diffstat (limited to 'nsprpub/pr/include/md/_aix.h')
| -rw-r--r-- | nsprpub/pr/include/md/_aix.h | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/nsprpub/pr/include/md/_aix.h b/nsprpub/pr/include/md/_aix.h new file mode 100644 index 000000000..3daf14fac --- /dev/null +++ b/nsprpub/pr/include/md/_aix.h @@ -0,0 +1,225 @@ +/* -*- 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_aix_defs_h___ +#define nspr_aix_defs_h___ + +#include <sys/types.h> +#if defined(_PR_PTHREADS) || defined(PTHREADS_USER) +#include <pthread.h> +#endif + +/* + * To pick up fd_set and the poll events. + */ +#include <sys/select.h> +#include <sys/poll.h> + +/* + * Internal configuration macros + */ + +#define PR_LINKER_ARCH "aix" +#define _PR_SI_SYSNAME "AIX" +#define _PR_SI_ARCHITECTURE "rs6000" +#define PR_DLL_SUFFIX ".so" + +#define _PR_VMBASE 0x30000000 +#define _PR_STACK_VMBASE 0x50000000 +#define _MD_DEFAULT_STACK_SIZE (2*65536L) +#define _MD_MINIMUM_STACK_SIZE (2*65536L) +#define _MD_MMAP_FLAGS MAP_PRIVATE + +#define NEED_TIME_R +#undef HAVE_STACK_GROWING_UP +#undef HAVE_WEAK_IO_SYMBOLS +#undef HAVE_WEAK_MALLOC_SYMBOLS +#define HAVE_DLL +#define USE_DLFCN +#define _PR_HAVE_SOCKADDR_LEN +#define _PR_POLL_AVAILABLE +#define _PR_USE_POLL +#define _PR_STAT_HAS_ONLY_ST_ATIME +#ifdef _PR_INET6 +#define _PR_HAVE_INET_NTOP +#define _PR_HAVE_GETHOSTBYNAME2 +#ifdef _AIX51 /* AIX 4.3.3 does not have AI_NUMERICHOST. */ +#define _PR_HAVE_GETADDRINFO +#endif +#endif +#define _PR_HAVE_SYSV_SEMAPHORES +#define PR_HAVE_SYSV_NAMED_SHARED_MEMORY +#define _PR_ACCEPT_INHERIT_NONBLOCK + +/* Timer operations */ +#if defined(AIX_TIMERS) +#define _MD_INTERVAL_INIT() + +extern PRIntervalTime _MD_AixGetInterval(void); +#define _MD_GET_INTERVAL _MD_AixGetInterval + +extern PRIntervalTime _MD_AixIntervalPerSec(void); +#define _MD_INTERVAL_PER_SEC _MD_AixIntervalPerSec + +#else /* defined(AIX_TIMERS) */ +#define _MD_INTERVAL_USE_GTOD +#endif /* defined(AIX_TIMERS) */ + +#ifdef AIX_HAVE_ATOMIC_OP_H +/* The atomic operations */ +#include <sys/atomic_op.h> +#define _PR_HAVE_ATOMIC_OPS +#ifndef IS_64 +#define _PR_HAVE_ATOMIC_CAS +#endif +#define _MD_INIT_ATOMIC() +#define _MD_ATOMIC_INCREMENT(val) ((PRInt32)fetch_and_add((atomic_p)val, 1) + 1) +#define _MD_ATOMIC_ADD(ptr, val) ((PRInt32)fetch_and_add((atomic_p)ptr, val) + val) +#define _MD_ATOMIC_DECREMENT(val) ((PRInt32)fetch_and_add((atomic_p)val, -1) - 1) +#define _MD_ATOMIC_SET(val, newval) _AIX_AtomicSet(val, newval) +#endif /* AIX_HAVE_ATOMIC_OP_H */ + +#define USE_SETJMP + +#include <setjmp.h> + +#define _MD_GET_SP(_t) (_t)->md.jb[3] +#define _MD_SET_THR_SP(_t, _sp) ((_t)->md.jb[3] = (int) (_sp - 2 * 64)) +#define PR_NUM_GCREGS _JBLEN + +#define CONTEXT(_th) ((_th)->md.jb) +#define SAVE_CONTEXT(_th) _setjmp(CONTEXT(_th)) +#define GOTO_CONTEXT(_th) _longjmp(CONTEXT(_th), 1) + +#ifdef PTHREADS_USER +#include "_nspr_pthread.h" +#else + +/* +** Initialize the thread context preparing it to execute _main. +*/ +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ + PR_BEGIN_MACRO \ + *status = PR_TRUE; \ + if (setjmp(CONTEXT(_thread))) { \ + (*_main)(); \ + } \ + _MD_GET_SP(_thread) = (int) (_sp - 2 * 64); \ + PR_END_MACRO + +#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 jb; + 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; +}; + +#if !defined(_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() + +#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) +#endif /* PTHREADS_USER */ + +#ifdef AIX_RENAME_SELECT +#define _MD_SELECT select +#define _MD_POLL poll +#endif + +extern void _MD_aix_map_sendfile_error(int err); + +#endif /* nspr_aix_defs_h___ */ |