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RetroZilla/nsprpub/pr/include/md/_unixos.h
Ryan Nematz 2f2ae146c0 first commit
2015-10-20 23:03:22 -04:00

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/* -*- 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 ***** */
#ifndef prunixos_h___
#define prunixos_h___
/*
* If FD_SETSIZE is not defined on the command line, set the default value
* before include select.h
*/
/*
* Linux: FD_SETSIZE is defined in /usr/include/sys/select.h and should
* not be redefined.
*/
#if !defined(LINUX) && !defined(__GNU__) && !defined(__GLIBC__) \
&& !defined(DARWIN) && !defined(NEXTSTEP)
#ifndef FD_SETSIZE
#define FD_SETSIZE 4096
#endif
#endif
#include <unistd.h>
#include <stddef.h>
#include <sys/stat.h>
#include <dirent.h>
#include <errno.h>
#include "prio.h"
#include "prmem.h"
#include "prclist.h"
/*
* For select(), fd_set, and struct timeval.
*
* In The Single UNIX(R) Specification, Version 2,
* the header file for select() is <sys/time.h>.
* In Version 3, the header file for select() is
* changed to <sys/select.h>.
*
* fd_set is defined in <sys/types.h>. Usually
* <sys/time.h> includes <sys/types.h>, but on some
* older systems <sys/time.h> does not include
* <sys/types.h>, so we include it explicitly.
*/
#include <sys/time.h>
#include <sys/types.h>
#if defined(AIX) || defined(SYMBIAN)
#include <sys/select.h>
#endif
#ifndef SYMBIAN
#define HAVE_NETINET_TCP_H
#endif
#define _PR_HAVE_O_APPEND
#define PR_DIRECTORY_SEPARATOR '/'
#define PR_DIRECTORY_SEPARATOR_STR "/"
#define PR_PATH_SEPARATOR ':'
#define PR_PATH_SEPARATOR_STR ":"
#define GCPTR
typedef int (*FARPROC)();
/*
* intervals at which GLOBAL threads wakeup to check for pending interrupt
*/
#define _PR_INTERRUPT_CHECK_INTERVAL_SECS 5
extern PRIntervalTime intr_timeout_ticks;
/*
* The bit flags for the in_flags and out_flags fields
* of _PR_UnixPollDesc
*/
#ifdef _PR_USE_POLL
#define _PR_UNIX_POLL_READ POLLIN
#define _PR_UNIX_POLL_WRITE POLLOUT
#define _PR_UNIX_POLL_EXCEPT POLLPRI
#define _PR_UNIX_POLL_ERR POLLERR
#define _PR_UNIX_POLL_NVAL POLLNVAL
#define _PR_UNIX_POLL_HUP POLLHUP
#else /* _PR_USE_POLL */
#define _PR_UNIX_POLL_READ 0x1
#define _PR_UNIX_POLL_WRITE 0x2
#define _PR_UNIX_POLL_EXCEPT 0x4
#define _PR_UNIX_POLL_ERR 0x8
#define _PR_UNIX_POLL_NVAL 0x10
#define _PR_UNIX_POLL_HUP 0x20
#endif /* _PR_USE_POLL */
typedef struct _PRUnixPollDesc {
PRInt32 osfd;
PRInt16 in_flags;
PRInt16 out_flags;
} _PRUnixPollDesc;
typedef struct PRPollQueue {
PRCList links; /* for linking PRPollQueue's together */
_PRUnixPollDesc *pds; /* array of poll descriptors */
PRUintn npds; /* length of the array */
PRPackedBool on_ioq; /* is this on the async i/o work q? */
PRIntervalTime timeout; /* timeout, in ticks */
struct PRThread *thr;
} PRPollQueue;
#define _PR_POLLQUEUE_PTR(_qp) \
((PRPollQueue*) ((char*) (_qp) - offsetof(PRPollQueue,links)))
extern PRInt32 _PR_WaitForMultipleFDs(
_PRUnixPollDesc *unixpds,
PRInt32 pdcnt,
PRIntervalTime timeout);
extern void _PR_Unblock_IO_Wait(struct PRThread *thr);
#if defined(_PR_LOCAL_THREADS_ONLY) || defined(_PR_GLOBAL_THREADS_ONLY)
#define _MD_CHECK_FOR_EXIT()
#endif
extern fd_set _pr_md_read_set, _pr_md_write_set, _pr_md_exception_set;
extern PRInt16 _pr_md_read_cnt[], _pr_md_write_cnt[], _pr_md_exception_cnt[];
extern PRInt32 _pr_md_ioq_max_osfd;
extern PRUint32 _pr_md_ioq_timeout;
struct _MDFileDesc {
int osfd;
#if defined(LINUX) && defined(_PR_PTHREADS)
int tcp_nodelay; /* used by pt_LinuxSendFile */
#endif
};
struct _MDDir {
DIR *d;
};
struct _PRCPU;
extern void _MD_unix_init_running_cpu(struct _PRCPU *cpu);
/*
** Make a redzone at both ends of the stack segment. Disallow access
** to those pages of memory. It's ok if the mprotect call's don't
** work - it just means that we don't really have a functional
** redzone.
*/
#include <sys/mman.h>
#ifndef PROT_NONE
#define PROT_NONE 0x0
#endif
#if defined(DEBUG) && !defined(DARWIN) && !defined(NEXTSTEP)
#if !defined(SOLARIS)
#include <string.h> /* for memset() */
#define _MD_INIT_STACK(ts,REDZONE) \
PR_BEGIN_MACRO \
(void) mprotect((void*)ts->seg->vaddr, REDZONE, PROT_NONE); \
(void) mprotect((void*) ((char*)ts->seg->vaddr + REDZONE + ts->stackSize),\
REDZONE, PROT_NONE); \
/* \
** Fill stack memory with something that turns into an illegal \
** pointer value. This will sometimes find runtime references to \
** uninitialized pointers. We don't do this for solaris because we \
** can use purify instead. \
*/ \
if (_pr_debugStacks) { \
memset(ts->allocBase + REDZONE, 0xf7, ts->stackSize); \
} \
PR_END_MACRO
#else /* !SOLARIS */
#define _MD_INIT_STACK(ts,REDZONE) \
PR_BEGIN_MACRO \
(void) mprotect((void*)ts->seg->vaddr, REDZONE, PROT_NONE); \
(void) mprotect((void*) ((char*)ts->seg->vaddr + REDZONE + ts->stackSize),\
REDZONE, PROT_NONE); \
PR_END_MACRO
#endif /* !SOLARIS */
/*
* _MD_CLEAR_STACK
* Allow access to the redzone pages; the access was turned off in
* _MD_INIT_STACK.
*/
#define _MD_CLEAR_STACK(ts) \
PR_BEGIN_MACRO \
(void) mprotect((void*)ts->seg->vaddr, REDZONE, PROT_READ|PROT_WRITE);\
(void) mprotect((void*) ((char*)ts->seg->vaddr + REDZONE + ts->stackSize),\
REDZONE, PROT_READ|PROT_WRITE); \
PR_END_MACRO
#else /* DEBUG */
#define _MD_INIT_STACK(ts,REDZONE)
#define _MD_CLEAR_STACK(ts)
#endif /* DEBUG */
#if !defined(SOLARIS)
#define PR_SET_INTSOFF(newval)
#endif
/************************************************************************/
extern void _PR_UnixInit(void);
/************************************************************************/
struct _MDProcess {
pid_t pid;
};
struct PRProcess;
struct PRProcessAttr;
/* Create a new process (fork() + exec()) */
#define _MD_CREATE_PROCESS _MD_CreateUnixProcess
extern struct PRProcess * _MD_CreateUnixProcess(
const char *path,
char *const *argv,
char *const *envp,
const struct PRProcessAttr *attr
);
#define _MD_DETACH_PROCESS _MD_DetachUnixProcess
extern PRStatus _MD_DetachUnixProcess(struct PRProcess *process);
/* Wait for a child process to terminate */
#define _MD_WAIT_PROCESS _MD_WaitUnixProcess
extern PRStatus _MD_WaitUnixProcess(struct PRProcess *process,
PRInt32 *exitCode);
#define _MD_KILL_PROCESS _MD_KillUnixProcess
extern PRStatus _MD_KillUnixProcess(struct PRProcess *process);
/************************************************************************/
extern void _MD_EnableClockInterrupts(void);
extern void _MD_DisableClockInterrupts(void);
#define _MD_START_INTERRUPTS _MD_StartInterrupts
#define _MD_STOP_INTERRUPTS _MD_StopInterrupts
#define _MD_DISABLE_CLOCK_INTERRUPTS _MD_DisableClockInterrupts
#define _MD_ENABLE_CLOCK_INTERRUPTS _MD_EnableClockInterrupts
#define _MD_BLOCK_CLOCK_INTERRUPTS _MD_BlockClockInterrupts
#define _MD_UNBLOCK_CLOCK_INTERRUPTS _MD_UnblockClockInterrupts
/************************************************************************/
extern void _MD_InitCPUS(void);
#define _MD_INIT_CPUS _MD_InitCPUS
extern void _MD_Wakeup_CPUs(void);
#define _MD_WAKEUP_CPUS _MD_Wakeup_CPUs
#define _MD_PAUSE_CPU _MD_PauseCPU
#if defined(_PR_LOCAL_THREADS_ONLY) || defined(_PR_GLOBAL_THREADS_ONLY)
#define _MD_CLEANUP_BEFORE_EXIT()
#endif
#ifndef IRIX
#define _MD_EXIT(status) _exit(status)
#endif
/************************************************************************/
#define _MD_GET_ENV getenv
#define _MD_PUT_ENV putenv
/************************************************************************/
#define _MD_INIT_FILEDESC(fd)
extern void _MD_MakeNonblock(PRFileDesc *fd);
#define _MD_MAKE_NONBLOCK _MD_MakeNonblock
/************************************************************************/
#if !defined(_PR_PTHREADS)
extern void _MD_InitSegs(void);
extern PRStatus _MD_AllocSegment(PRSegment *seg, PRUint32 size,
void *vaddr);
extern void _MD_FreeSegment(PRSegment *seg);
#define _MD_INIT_SEGS _MD_InitSegs
#define _MD_ALLOC_SEGMENT _MD_AllocSegment
#define _MD_FREE_SEGMENT _MD_FreeSegment
#endif /* !defined(_PR_PTHREADS) */
/************************************************************************/
#if !defined(HPUX_LW_TIMER)
#define _MD_INTERVAL_INIT()
#endif
#define _MD_INTERVAL_PER_MILLISEC() (_PR_MD_INTERVAL_PER_SEC() / 1000)
#define _MD_INTERVAL_PER_MICROSEC() (_PR_MD_INTERVAL_PER_SEC() / 1000000)
/************************************************************************/
#define _MD_ERRNO() (errno)
#define _MD_GET_SOCKET_ERROR() (errno)
/************************************************************************/
extern PRInt32 _MD_AvailableSocket(PRInt32 osfd);
extern void _MD_StartInterrupts(void);
extern void _MD_StopInterrupts(void);
extern void _MD_DisableClockInterrupts(void);
extern void _MD_BlockClockInterrupts(void);
extern void _MD_UnblockClockInterrupts(void);
extern void _MD_PauseCPU(PRIntervalTime timeout);
extern PRStatus _MD_open_dir(struct _MDDir *, const char *);
extern PRInt32 _MD_close_dir(struct _MDDir *);
extern char * _MD_read_dir(struct _MDDir *, PRIntn);
extern PRInt32 _MD_open(const char *name, PRIntn osflags, PRIntn mode);
extern PRInt32 _MD_delete(const char *name);
extern PRInt32 _MD_getfileinfo(const char *fn, PRFileInfo *info);
extern PRInt32 _MD_getfileinfo64(const char *fn, PRFileInfo64 *info);
extern PRInt32 _MD_getopenfileinfo(const PRFileDesc *fd, PRFileInfo *info);
extern PRInt32 _MD_getopenfileinfo64(const PRFileDesc *fd, PRFileInfo64 *info);
extern PRInt32 _MD_rename(const char *from, const char *to);
extern PRInt32 _MD_access(const char *name, PRAccessHow how);
extern PRInt32 _MD_mkdir(const char *name, PRIntn mode);
extern PRInt32 _MD_rmdir(const char *name);
extern PRInt32 _MD_accept_read(PRInt32 sock, PRInt32 *newSock,
PRNetAddr **raddr, void *buf, PRInt32 amount);
extern PRInt32 _PR_UnixSendFile(PRFileDesc *sd, PRSendFileData *sfd,
PRTransmitFileFlags flags, PRIntervalTime timeout);
extern PRStatus _MD_LockFile(PRInt32 osfd);
extern PRStatus _MD_TLockFile(PRInt32 osfd);
extern PRStatus _MD_UnlockFile(PRInt32 osfd);
#define _MD_OPEN_DIR(dir, name) _MD_open_dir(dir, name)
#define _MD_CLOSE_DIR(dir) _MD_close_dir(dir)
#define _MD_READ_DIR(dir, flags) _MD_read_dir(dir, flags)
#define _MD_OPEN(name, osflags, mode) _MD_open(name, osflags, mode)
#define _MD_OPEN_FILE(name, osflags, mode) _MD_open(name, osflags, mode)
extern PRInt32 _MD_read(PRFileDesc *fd, void *buf, PRInt32 amount);
#define _MD_READ(fd,buf,amount) _MD_read(fd,buf,amount)
extern PRInt32 _MD_write(PRFileDesc *fd, const void *buf, PRInt32 amount);
#define _MD_WRITE(fd,buf,amount) _MD_write(fd,buf,amount)
#define _MD_DELETE(name) _MD_delete(name)
#define _MD_GETFILEINFO(fn, info) _MD_getfileinfo(fn, info)
#define _MD_GETFILEINFO64(fn, info) _MD_getfileinfo64(fn, info)
#define _MD_GETOPENFILEINFO(fd, info) _MD_getopenfileinfo(fd, info)
#define _MD_GETOPENFILEINFO64(fd, info) _MD_getopenfileinfo64(fd, info)
#define _MD_RENAME(from, to) _MD_rename(from, to)
#define _MD_ACCESS(name, how) _MD_access(name, how)
#define _MD_MKDIR(name, mode) _MD_mkdir(name, mode)
#define _MD_MAKE_DIR(name, mode) _MD_mkdir(name, mode)
#define _MD_RMDIR(name) _MD_rmdir(name)
#define _MD_ACCEPT_READ(sock, newSock, raddr, buf, amount) _MD_accept_read(sock, newSock, raddr, buf, amount)
#define _MD_LOCKFILE _MD_LockFile
#define _MD_TLOCKFILE _MD_TLockFile
#define _MD_UNLOCKFILE _MD_UnlockFile
extern PRInt32 _MD_socket(int af, int type, int flags);
#define _MD_SOCKET _MD_socket
extern PRInt32 _MD_connect(PRFileDesc *fd, const PRNetAddr *addr,
PRUint32 addrlen, PRIntervalTime timeout);
#define _MD_CONNECT _MD_connect
extern PRInt32 _MD_accept(PRFileDesc *fd, PRNetAddr *addr, PRUint32 *addrlen,
PRIntervalTime timeout);
#define _MD_ACCEPT _MD_accept
extern PRInt32 _MD_bind(PRFileDesc *fd, const PRNetAddr *addr, PRUint32 addrlen);
#define _MD_BIND _MD_bind
extern PRInt32 _MD_listen(PRFileDesc *fd, PRIntn backlog);
#define _MD_LISTEN _MD_listen
extern PRInt32 _MD_shutdown(PRFileDesc *fd, PRIntn how);
#define _MD_SHUTDOWN _MD_shutdown
extern PRInt32 _MD_recv(PRFileDesc *fd, void *buf, PRInt32 amount,
PRIntn flags, PRIntervalTime timeout);
#define _MD_RECV _MD_recv
extern PRInt32 _MD_send(PRFileDesc *fd, const void *buf, PRInt32 amount,
PRIntn flags, PRIntervalTime timeout);
#define _MD_SEND _MD_send
extern PRInt32 _MD_recvfrom(PRFileDesc *fd, void *buf, PRInt32 amount,
PRIntn flags, PRNetAddr *addr, PRUint32 *addrlen,
PRIntervalTime timeout);
#define _MD_RECVFROM _MD_recvfrom
extern PRInt32 _MD_sendto(PRFileDesc *fd, const void *buf, PRInt32 amount,
PRIntn flags, const PRNetAddr *addr, PRUint32 addrlen,
PRIntervalTime timeout);
#define _MD_SENDTO _MD_sendto
extern PRInt32 _MD_writev(PRFileDesc *fd, const struct PRIOVec *iov,
PRInt32 iov_size, PRIntervalTime timeout);
#define _MD_WRITEV _MD_writev
extern PRInt32 _MD_socketavailable(PRFileDesc *fd);
#define _MD_SOCKETAVAILABLE _MD_socketavailable
extern PRInt64 _MD_socketavailable64(PRFileDesc *fd);
#define _MD_SOCKETAVAILABLE64 _MD_socketavailable64
#define _MD_PIPEAVAILABLE _MD_socketavailable
extern PRInt32 _MD_pr_poll(PRPollDesc *pds, PRIntn npds,
PRIntervalTime timeout);
#define _MD_PR_POLL _MD_pr_poll
extern PRInt32 _MD_close(PRInt32 osfd);
#define _MD_CLOSE_FILE _MD_close
extern PRInt32 _MD_lseek(PRFileDesc*, PRInt32, PRSeekWhence);
#define _MD_LSEEK _MD_lseek
extern PRInt64 _MD_lseek64(PRFileDesc*, PRInt64, PRSeekWhence);
#define _MD_LSEEK64 _MD_lseek64
extern PRInt32 _MD_fsync(PRFileDesc *fd);
#define _MD_FSYNC _MD_fsync
extern PRInt32 _MD_socketpair(int af, int type, int flags, PRInt32 *osfd);
#define _MD_SOCKETPAIR _MD_socketpair
#define _MD_CLOSE_SOCKET _MD_close
#ifndef NO_NSPR_10_SUPPORT
#define _MD_STAT stat
#endif
extern PRStatus _MD_getpeername(PRFileDesc *fd, PRNetAddr *addr,
PRUint32 *addrlen);
#define _MD_GETPEERNAME _MD_getpeername
extern PRStatus _MD_getsockname(PRFileDesc *fd, PRNetAddr *addr,
PRUint32 *addrlen);
#define _MD_GETSOCKNAME _MD_getsockname
extern PRStatus _MD_getsockopt(PRFileDesc *fd, PRInt32 level,
PRInt32 optname, char* optval, PRInt32* optlen);
#define _MD_GETSOCKOPT _MD_getsockopt
extern PRStatus _MD_setsockopt(PRFileDesc *fd, PRInt32 level,
PRInt32 optname, const char* optval, PRInt32 optlen);
#define _MD_SETSOCKOPT _MD_setsockopt
extern PRStatus _MD_set_fd_inheritable(PRFileDesc *fd, PRBool inheritable);
#define _MD_SET_FD_INHERITABLE _MD_set_fd_inheritable
extern void _MD_init_fd_inheritable(PRFileDesc *fd, PRBool imported);
#define _MD_INIT_FD_INHERITABLE _MD_init_fd_inheritable
extern void _MD_query_fd_inheritable(PRFileDesc *fd);
#define _MD_QUERY_FD_INHERITABLE _MD_query_fd_inheritable
extern PRStatus _MD_gethostname(char *name, PRUint32 namelen);
#define _MD_GETHOSTNAME _MD_gethostname
extern PRStatus _MD_getsysinfo(PRSysInfo cmd, char *name, PRUint32 namelen);
#define _MD_GETSYSINFO _MD_getsysinfo
extern int _MD_unix_get_nonblocking_connect_error(int osfd);
/* Memory-mapped files */
struct _MDFileMap {
PRIntn prot;
PRIntn flags;
PRBool isAnonFM; /* when true, PR_CloseFileMap() must close the related fd */
};
extern PRStatus _MD_CreateFileMap(struct PRFileMap *fmap, PRInt64 size);
#define _MD_CREATE_FILE_MAP _MD_CreateFileMap
#define _MD_GET_MEM_MAP_ALIGNMENT() PR_GetPageSize()
extern void * _MD_MemMap(struct PRFileMap *fmap, PRInt64 offset,
PRUint32 len);
#define _MD_MEM_MAP _MD_MemMap
extern PRStatus _MD_MemUnmap(void *addr, PRUint32 size);
#define _MD_MEM_UNMAP _MD_MemUnmap
extern PRStatus _MD_CloseFileMap(struct PRFileMap *fmap);
#define _MD_CLOSE_FILE_MAP _MD_CloseFileMap
/*
* The standard (XPG4) gettimeofday() (from BSD) takes two arguments.
* On some SVR4 derivatives, gettimeofday() takes only one argument.
* The GETTIMEOFDAY macro is intended to hide this difference.
*/
#ifdef HAVE_SVID_GETTOD
#define GETTIMEOFDAY(tp) gettimeofday(tp)
#else
#define GETTIMEOFDAY(tp) gettimeofday((tp), NULL)
#endif
#if defined(_PR_PTHREADS) && !defined(_PR_POLL_AVAILABLE)
#define _PR_NEED_FAKE_POLL
#endif
#if defined(_PR_NEED_FAKE_POLL)
/*
* Some platforms don't have poll(), but our pthreads code calls poll().
* As a temporary measure, I implemented a fake poll() using select().
* Here are the struct and macro definitions copied from sys/poll.h
* on Solaris 2.5.
*/
struct pollfd {
int fd;
short events;
short revents;
};
/* poll events */
#define POLLIN 0x0001 /* fd is readable */
#define POLLPRI 0x0002 /* high priority info at fd */
#define POLLOUT 0x0004 /* fd is writeable (won't block) */
#define POLLRDNORM 0x0040 /* normal data is readable */
#define POLLWRNORM POLLOUT
#define POLLRDBAND 0x0080 /* out-of-band data is readable */
#define POLLWRBAND 0x0100 /* out-of-band data is writeable */
#define POLLNORM POLLRDNORM
#define POLLERR 0x0008 /* fd has error condition */
#define POLLHUP 0x0010 /* fd has been hung up on */
#define POLLNVAL 0x0020 /* invalid pollfd entry */
extern int poll(struct pollfd *, unsigned long, int);
#endif /* _PR_NEED_FAKE_POLL */
/*
** A vector of the UNIX I/O calls we use. These are here to smooth over
** the rough edges needed for large files. All of NSPR's implmentaions
** go through this vector using syntax of the form
** result = _md_iovector.xxx64(args);
*/
#if defined(SOLARIS2_5)
/*
** Special case: Solaris 2.5.1
** Solaris starts to have 64-bit file I/O in 2.6. We build on Solaris
** 2.5.1 so that we can use the same binaries on both Solaris 2.5.1 and
** 2.6. At run time, we detect whether 64-bit file I/O is available by
** looking up the 64-bit file function symbols in libc. At build time,
** we need to define the 64-bit file I/O datatypes that are compatible
** with their definitions on Solaris 2.6.
*/
typedef PRInt64 off64_t;
typedef PRUint64 ino64_t;
typedef PRInt64 blkcnt64_t;
struct stat64 {
dev_t st_dev;
long st_pad1[3];
ino64_t st_ino;
mode_t st_mode;
nlink_t st_nlink;
uid_t st_uid;
gid_t st_gid;
dev_t st_rdev;
long t_pad2[2];
off64_t st_size;
timestruc_t st_atim;
timestruc_t st_mtim;
timestruc_t st_ctim;
long st_blksize;
blkcnt64_t st_blocks;
char st_fstype[_ST_FSTYPSZ];
long st_pad4[8];
};
typedef struct stat64 _MDStat64;
typedef off64_t _MDOff64_t;
#elif defined(_PR_HAVE_OFF64_T)
typedef struct stat64 _MDStat64;
typedef off64_t _MDOff64_t;
#elif defined(_PR_HAVE_LARGE_OFF_T)
typedef struct stat _MDStat64;
typedef off_t _MDOff64_t;
#elif defined(_PR_NO_LARGE_FILES)
typedef struct stat _MDStat64;
typedef PRInt64 _MDOff64_t;
#else
#error "I don't know yet"
#endif
typedef PRIntn (*_MD_Fstat64)(PRIntn osfd, _MDStat64 *buf);
typedef PRIntn (*_MD_Open64)(const char *path, int oflag, ...);
#if defined(VMS)
typedef PRIntn (*_MD_Stat64)(const char *path, _MDStat64 *buf, ...);
#else
typedef PRIntn (*_MD_Stat64)(const char *path, _MDStat64 *buf);
#endif
typedef _MDOff64_t (*_MD_Lseek64)(PRIntn osfd, _MDOff64_t, PRIntn whence);
typedef void* (*_MD_Mmap64)(
void *addr, PRSize len, PRIntn prot, PRIntn flags,
PRIntn fildes, _MDOff64_t offset);
struct _MD_IOVector
{
_MD_Open64 _open64;
_MD_Mmap64 _mmap64;
_MD_Stat64 _stat64;
_MD_Fstat64 _fstat64;
_MD_Lseek64 _lseek64;
};
extern struct _MD_IOVector _md_iovector;
#endif /* prunixos_h___ */
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