Version 1.8 of gecko-sdk. Downloaded from here:...

gecko-sdk/include/md/_openvms.h

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Netscape Portable Runtime (NSPR).
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998-2000
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+/*
+** This is the OpenVMS machine dependant configuration file. It is based
+** on the OSF/1 machine dependant file.
+*/
+
+#ifndef nspr_openvms_defs_h___
+#define nspr_openvms_defs_h___
+
+/*
+ * Internal configuration macros
+ */
+
+#define PR_LINKER_ARCH  "OpenVMS"
+#define _PR_SI_SYSNAME  "OpenVMS"
+#ifdef __alpha
+#define _PR_SI_ARCHITECTURE "alpha"
+#else
+#define _PR_SI_ARCHITECTURE "vax"
+#endif
+#define PR_DLL_SUFFIX           ".so"
+
+#define _PR_VMBASE              0x30000000
+#define _PR_STACK_VMBASE        0x50000000
+#define _MD_DEFAULT_STACK_SIZE  131072L
+#define _MD_MINIMUM_STACK_SIZE  131072L
+
+/*
+** This is not defined on OpenVMS. I believe its only used in GC code, and
+** isn't that only used in Java? Anyway, for now, let's keep the compiler
+** happy.
+*/
+#define SA_RESTART 0
+
+/*
+** OpenVMS doesn't have these in socket.h.
+** Does in later versions!
+*/
+#if 0
+struct ip_mreq {
+    struct in_addr  imr_multiaddr;      /* IP multicast address of group */
+    struct in_addr  imr_interface;      /* local IP address of interface */
+};
+#endif
+
+/*
+ * OSF1 needs the MAP_FIXED flag to ensure that mmap returns a pointer
+ * with the upper 32 bits zero.  This is because Java sticks a pointer
+ * into an int.
+ */
+#define _MD_MMAP_FLAGS          MAP_PRIVATE|MAP_FIXED
+
+#undef  HAVE_STACK_GROWING_UP
+#undef  HAVE_WEAK_IO_SYMBOLS
+#undef  HAVE_WEAK_MALLOC_SYMBOLS
+#undef  HAVE_BSD_FLOCK
+
+#define NEED_TIME_R
+
+#define HAVE_DLL
+#define USE_DLFCN
+
+#define _PR_POLL_AVAILABLE
+#define _PR_USE_POLL
+#define _PR_STAT_HAS_ONLY_ST_ATIME
+#define _PR_NO_LARGE_FILES
+#define _PR_STRICT_ADDR_LEN
+
+/* IPv6 support */
+#ifdef _SOCKADDR_LEN
+#define _PR_HAVE_SOCKADDR_LEN
+#endif
+#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_MD_SOCKADDR_IN6
+/* if we have a quadword field defined in the structure, then its length */
+/* will be a multiple of 8, and connect() won't accept 32 (it wants 28) */
+struct _md_in6_addr {
+    union {
+        PRUint8  _S6_u8[16];
+        PRUint16 _S6_u16[8];
+        PRUint32 _S6_u32[4];
+    } _S6_un;
+};
+struct _md_sockaddr_in6 {
+    PRUint16 sin6_family;
+    PRUint16 sin6_port;
+    PRUint32 sin6_flowinfo;
+    struct _md_in6_addr sin6_addr;
+    PRUint32 sin6_scope_id;
+};
+
+#undef  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)
+
+/*
+** I am ifdef'ing these out because that's the way they are in FT.
+*/
+#ifndef __VMS
+
+/*
+** 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);    \
+}
+
+#endif /* __VMS */
+
+/* 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_GET_INTERVAL                  _PR_UNIX_GetInterval
+extern PRIntervalTime _PR_UNIX_GetInterval(void);
+#define _MD_INTERVAL_PER_SEC              _PR_UNIX_TicksPerSecond
+extern PRIntervalTime _PR_UNIX_TicksPerSecond(void);
+
+#define _MD_EARLY_INIT          _MD_EarlyInit
+void _MD_EarlyInit(void);
+#define _MD_FINAL_INIT          _PR_UnixInit
+#define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
+#define _MD_INIT_THREAD         _MD_InitializeThread
+#ifdef _VMS_NOT_YET
+NSPR_API(void) _PR_InitThreads(
+  PRThreadType type, PRThreadPriority priority, PRUintn maxPTDs);
+#endif
+#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(). */
+extern int __select (int, fd_set *, fd_set *, fd_set *, struct timeval *);
+#define _MD_SELECT              __select
+
+#ifndef __VMS
+#define _MD_POLL __poll
+extern int __poll(struct pollfd filedes[], unsigned int nfds, int timeout);
+#endif
+
+#ifdef __VMS
+NSPR_API(void) _PR_InitCPUs(void);
+NSPR_API(void) _PR_MD_START_INTERRUPTS(void);
+#endif
+
+/*
+ * Atomic operations
+ */
+#include <machine/builtins.h>
+#define _PR_HAVE_ATOMIC_OPS
+#define _MD_INIT_ATOMIC()
+#define _MD_ATOMIC_ADD(ptr,val) (__ATOMIC_ADD_LONG(ptr,val) + val)
+#define _MD_ATOMIC_INCREMENT(val) (__ATOMIC_INCREMENT_LONG(val) + 1)
+#define _MD_ATOMIC_DECREMENT(val) (__ATOMIC_DECREMENT_LONG(val) - 1)
+#define _MD_ATOMIC_SET(val, newval) __ATOMIC_EXCH_LONG(val, newval)
+
+extern int thread_suspend(PRThread *thr_id);
+extern int thread_resume(PRThread *thr_id);
+
+#endif /* nspr_openvms_defs_h___ */