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Diffstat (limited to 'nsprpub/pr/include/md/_unixos.h')
| -rw-r--r-- | nsprpub/pr/include/md/_unixos.h | 624 |
1 files changed, 624 insertions, 0 deletions
diff --git a/nsprpub/pr/include/md/_unixos.h b/nsprpub/pr/include/md/_unixos.h new file mode 100644 index 000000000..ea46b3a47 --- /dev/null +++ b/nsprpub/pr/include/md/_unixos.h @@ -0,0 +1,624 @@ +/* -*- 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 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) +#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 ":" +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) +#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); + +extern void _PR_UnixCleanup(void); +#define _MD_EARLY_CLEANUP _PR_UnixCleanup + +/************************************************************************/ + +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) */ + +/************************************************************************/ + +#ifdef _MD_INTERVAL_USE_GTOD +extern PRIntervalTime _PR_UNIX_GetInterval(void); +extern PRIntervalTime _PR_UNIX_TicksPerSecond(void); +#define _MD_INTERVAL_INIT() +#define _MD_GET_INTERVAL _PR_UNIX_GetInterval +#define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond +#endif + +#ifdef _PR_HAVE_CLOCK_MONOTONIC +extern PRIntervalTime _PR_UNIX_GetInterval2(void); +extern PRIntervalTime _PR_UNIX_TicksPerSecond2(void); +#define _MD_INTERVAL_INIT() +#define _MD_GET_INTERVAL _PR_UNIX_GetInterval2 +#define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond2 +#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 + +extern PRStatus _MD_SyncMemMap( + PRFileDesc *fd, + void *addr, + PRUint32 len); +#define _MD_SYNC_MEM_MAP _MD_SyncMemMap + +/* + * 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, ...); +typedef PRIntn (*_MD_Stat64)(const char *path, _MDStat64 *buf); +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___ */ |