_unixos.h
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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(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>.
- *
- * 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) /* Only pre-4.2 AIX needs it, but for simplicity... */
- #include <sys/select.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___ */