diff options
Diffstat (limited to 'nsprpub/pr/include/md/_osf1.h')
| -rw-r--r-- | nsprpub/pr/include/md/_osf1.h | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/nsprpub/pr/include/md/_osf1.h b/nsprpub/pr/include/md/_osf1.h new file mode 100644 index 000000000..57445f773 --- /dev/null +++ b/nsprpub/pr/include/md/_osf1.h @@ -0,0 +1,222 @@ +/* -*- 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___ */ |