--- libeio/eio.c 2011/07/13 00:53:03 1.85 +++ libeio/eio.c 2012/04/24 18:47:50 1.120 @@ -1,7 +1,7 @@ /* * libeio implementation * - * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann + * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann * All rights reserved. * * Redistribution and use in source and binary forms, with or without modifica- @@ -45,7 +45,7 @@ #include "ecb.h" #ifdef EIO_STACKSIZE -# define XTHREAD_STACKSIZE EIO_STACKSIZE +# define X_STACKSIZE EIO_STACKSIZE #endif #include "xthread.h" @@ -56,7 +56,6 @@ #include #include #include -#include #include #include #include @@ -70,6 +69,13 @@ #ifndef ECANCELED # define ECANCELED EDOM #endif +#ifndef ELOOP +# define ELOOP EDOM +#endif + +#if !defined(ENOTSOCK) && defined(WSAENOTSOCK) +# define ENOTSOCK WSAENOTSOCK +#endif static void eio_destroy (eio_req *req); @@ -85,44 +91,158 @@ # define EIO_FEED(req) do { if ((req)->feed ) (req)->feed (req); } while (0) #endif +#ifndef EIO_FD_TO_WIN32_HANDLE +# define EIO_FD_TO_WIN32_HANDLE(fd) _get_osfhandle (fd) +#endif +#ifndef EIO_WIN32_HANDLE_TO_FD +# define EIO_WIN32_HANDLE_TO_FD(handle) _open_osfhandle (handle, 0) +#endif + +#define EIO_ERRNO(errval,retval) ((errno = errval), retval) + +#define EIO_ENOSYS() EIO_ERRNO (ENOSYS, -1) + #ifdef _WIN32 - /*doh*/ + #undef PAGESIZE + #define PAGESIZE 4096 /* GetSystemInfo? */ + + /* TODO: look at how perl does stat (non-sloppy), unlink (ro-files), utime, link */ + + #ifdef EIO_STRUCT_STATI64 + /* look at perl's non-sloppy stat */ + #define stat(path,buf) _stati64 (path,buf) + #define fstat(fd,buf) _fstati64 (fd,buf) + #endif + #define lstat(path,buf) stat (path,buf) + #define fsync(fd) (FlushFileBuffers ((HANDLE)EIO_FD_TO_WIN32_HANDLE (fd)) ? 0 : EIO_ERRNO (EBADF, -1)) + #define mkdir(path,mode) _mkdir (path) + #define link(old,neu) (CreateHardLink (neu, old, 0) ? 0 : EIO_ERRNO (ENOENT, -1)) + + #define chmod(path,mode) _chmod (path, mode) + #define dup(fd) _dup (fd) + #define dup2(fd1,fd2) _dup2 (fd1, fd2) + + #define fchmod(fd,mode) EIO_ENOSYS () + #define chown(path,uid,gid) EIO_ENOSYS () + #define fchown(fd,uid,gid) EIO_ENOSYS () + #define truncate(path,offs) EIO_ENOSYS () /* far-miss: SetEndOfFile */ + #define ftruncate(fd,offs) EIO_ENOSYS () /* near-miss: SetEndOfFile */ + #define mknod(path,mode,dev) EIO_ENOSYS () + #define sync() EIO_ENOSYS () + #define readlink(path,buf,s) EIO_ENOSYS () + #define statvfs(path,buf) EIO_ENOSYS () + #define fstatvfs(fd,buf) EIO_ENOSYS () + + /* rename() uses MoveFile, which fails to overwrite */ + #define rename(old,neu) eio__rename (old, neu) + + static int + eio__rename (const char *old, const char *neu) + { + if (MoveFileEx (old, neu, MOVEFILE_REPLACE_EXISTING)) + return 0; + + /* should steal _dosmaperr */ + switch (GetLastError ()) + { + case ERROR_FILE_NOT_FOUND: + case ERROR_PATH_NOT_FOUND: + case ERROR_INVALID_DRIVE: + case ERROR_NO_MORE_FILES: + case ERROR_BAD_NETPATH: + case ERROR_BAD_NET_NAME: + case ERROR_BAD_PATHNAME: + case ERROR_FILENAME_EXCED_RANGE: + errno = ENOENT; + break; + + default: + errno = EACCES; + break; + } + + return -1; + } + + /* we could even stat and see if it exists */ + static int + symlink (const char *old, const char *neu) + { + #if WINVER >= 0x0600 + if (CreateSymbolicLink (neu, old, 1)) + return 0; + + if (CreateSymbolicLink (neu, old, 0)) + return 0; + #endif + + return EIO_ERRNO (ENOENT, -1); + } + + /* POSIX API only */ + #define CreateHardLink(neu,old,flags) 0 + #define CreateSymbolicLink(neu,old,flags) 0 + + struct statvfs + { + int dummy; + }; + + #define DT_DIR EIO_DT_DIR + #define DT_REG EIO_DT_REG + #define D_NAME(entp) entp.cFileName + #define D_TYPE(entp) (entp.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ? DT_DIR : DT_REG) + #else -# include -# include -# include -# include -# include -# include + #include + #include + #include + #include + #include + #include -#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES -# include -#endif + #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES + #include + #endif -/* POSIX_SOURCE is useless on bsd's, and XOPEN_SOURCE is unreliable there, too */ -# if __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__ -# define _DIRENT_HAVE_D_TYPE /* sigh */ -# define D_INO(de) (de)->d_fileno -# define D_NAMLEN(de) (de)->d_namlen -# elif __linux || defined d_ino || _XOPEN_SOURCE >= 600 -# define D_INO(de) (de)->d_ino -# endif + #define D_NAME(entp) entp->d_name + + /* POSIX_SOURCE is useless on bsd's, and XOPEN_SOURCE is unreliable there, too */ + #if __FreeBSD__ || __NetBSD__ || __OpenBSD__ + #define _DIRENT_HAVE_D_TYPE /* sigh */ + #define D_INO(de) (de)->d_fileno + #define D_NAMLEN(de) (de)->d_namlen + #elif __linux || defined d_ino || _XOPEN_SOURCE >= 600 + #define D_INO(de) (de)->d_ino + #endif + + #ifdef _D_EXACT_NAMLEN + #undef D_NAMLEN + #define D_NAMLEN(de) _D_EXACT_NAMLEN (de) + #endif + + #ifdef _DIRENT_HAVE_D_TYPE + #define D_TYPE(de) (de)->d_type + #endif + + #ifndef EIO_STRUCT_DIRENT + #define EIO_STRUCT_DIRENT struct dirent + #endif -#ifdef _D_EXACT_NAMLEN -# undef D_NAMLEN -# define D_NAMLEN(de) _D_EXACT_NAMLEN (de) #endif -# ifdef _DIRENT_HAVE_D_TYPE -# define D_TYPE(de) (de)->d_type -# endif +#if HAVE_UTIMES +# include +#endif -# ifndef EIO_STRUCT_DIRENT -# define EIO_STRUCT_DIRENT struct dirent -# endif +#if HAVE_SYS_SYSCALL_H +# include +#endif +#if HAVE_SYS_PRCTL_H +# include #endif #if HAVE_SENDFILE @@ -147,7 +267,7 @@ # define D_INO(de) 0 #endif #ifndef D_NAMLEN -# define D_NAMLEN(de) strlen ((de)->d_name) +# define D_NAMLEN(entp) strlen (D_NAME (entp)) #endif /* used for struct dirent, AIX doesn't provide it */ @@ -164,16 +284,60 @@ #define EIO_BUFSIZE 65536 #define dBUF \ - char *eio_buf; \ - ETP_WORKER_LOCK (self); \ - self->dbuf = eio_buf = malloc (EIO_BUFSIZE); \ - ETP_WORKER_UNLOCK (self); \ + char *eio_buf = malloc (EIO_BUFSIZE); \ errno = ENOMEM; \ if (!eio_buf) \ - return -1; + return -1 + +#define FUBd \ + free (eio_buf) #define EIO_TICKS ((1000000 + 1023) >> 10) +/*****************************************************************************/ + +struct tmpbuf +{ + void *ptr; + int len; +}; + +static void * +tmpbuf_get (struct tmpbuf *buf, int len) +{ + if (buf->len < len) + { + free (buf->ptr); + buf->ptr = malloc (buf->len = len); + } + + return buf->ptr; +} + +struct tmpbuf; + +#if _POSIX_VERSION >= 200809L + #define HAVE_AT 1 + #define WD2FD(wd) ((wd) ? (wd)->fd : AT_FDCWD) + #ifndef O_SEARCH + #define O_SEARCH O_RDONLY + #endif +#else + #define HAVE_AT 0 + static const char *wd_expand (struct tmpbuf *tmpbuf, eio_wd wd, const char *path); +#endif + +struct eio_pwd +{ +#if HAVE_AT + int fd; +#endif + int len; + char str[1]; /* actually, a 0-terminated canonical path */ +}; + +/*****************************************************************************/ + #define ETP_PRI_MIN EIO_PRI_MIN #define ETP_PRI_MAX EIO_PRI_MAX @@ -186,23 +350,6 @@ static void eio_execute (struct etp_worker *self, eio_req *req); #define ETP_EXECUTE(wrk,req) eio_execute (wrk,req) -#define ETP_WORKER_CLEAR(req) \ - if (wrk->dbuf) \ - { \ - free (wrk->dbuf); \ - wrk->dbuf = 0; \ - } \ - \ - if (wrk->dirp) \ - { \ - closedir (wrk->dirp); \ - wrk->dirp = 0; \ - } - -#define ETP_WORKER_COMMON \ - void *dbuf; \ - DIR *dirp; - /*****************************************************************************/ #define ETP_NUM_PRI (ETP_PRI_MAX - ETP_PRI_MIN + 1) @@ -223,11 +370,11 @@ static unsigned int max_poll_time; /* reslock */ static unsigned int max_poll_reqs; /* reslock */ -static volatile unsigned int nreqs; /* reqlock */ -static volatile unsigned int nready; /* reqlock */ -static volatile unsigned int npending; /* reqlock */ -static volatile unsigned int max_idle = 4; /* maximum number of threads that can idle indefinitely */ -static volatile unsigned int idle_timeout = 10; /* number of seconds after which an idle threads exit */ +static unsigned int nreqs; /* reqlock */ +static unsigned int nready; /* reqlock */ +static unsigned int npending; /* reqlock */ +static unsigned int max_idle = 4; /* maximum number of threads that can idle indefinitely */ +static unsigned int idle_timeout = 10; /* number of seconds after which an idle threads exit */ static xmutex_t wrklock; static xmutex_t reslock; @@ -240,38 +387,40 @@ * normal read/write by using a mutex. slows down execution a lot, * but that's your problem, not mine. */ -static xmutex_t preadwritelock = X_MUTEX_INIT; +static xmutex_t preadwritelock; #endif typedef struct etp_worker { + struct tmpbuf tmpbuf; + /* locked by wrklock */ struct etp_worker *prev, *next; xthread_t tid; - /* locked by reslock, reqlock or wrklock */ - ETP_REQ *req; /* currently processed request */ - +#ifdef ETP_WORKER_COMMON ETP_WORKER_COMMON +#endif } etp_worker; -static etp_worker wrk_first = { &wrk_first, &wrk_first, 0 }; /* NOT etp */ +static etp_worker wrk_first; /* NOT etp */ #define ETP_WORKER_LOCK(wrk) X_LOCK (wrklock) #define ETP_WORKER_UNLOCK(wrk) X_UNLOCK (wrklock) /* worker threads management */ -static void ecb_cold +static void etp_worker_clear (etp_worker *wrk) { - ETP_WORKER_CLEAR (wrk); } static void ecb_cold etp_worker_free (etp_worker *wrk) { + free (wrk->tmpbuf.ptr); + wrk->next->prev = wrk->prev; wrk->prev->next = wrk->next; @@ -337,6 +486,17 @@ static etp_reqq req_queue; static etp_reqq res_queue; +static void ecb_noinline ecb_cold +reqq_init (etp_reqq *q) +{ + int pri; + + for (pri = 0; pri < ETP_NUM_PRI; ++pri) + q->qs[pri] = q->qe[pri] = 0; + + q->size = 0; +} + static int ecb_noinline reqq_push (etp_reqq *q, ETP_REQ *req) { @@ -380,49 +540,19 @@ abort (); } -static void ecb_cold -etp_thread_init (void) +static int ecb_cold +etp_init (void (*want_poll)(void), void (*done_poll)(void)) { -#if !HAVE_PREADWRITE - X_MUTEX_CREATE (preadwritelock); -#endif X_MUTEX_CREATE (wrklock); X_MUTEX_CREATE (reslock); X_MUTEX_CREATE (reqlock); X_COND_CREATE (reqwait); -} - -static void ecb_cold -etp_atfork_prepare (void) -{ -} - -static void ecb_cold -etp_atfork_parent (void) -{ -} - -static void ecb_cold -etp_atfork_child (void) -{ - ETP_REQ *prv; - - while ((prv = reqq_shift (&req_queue))) - ETP_DESTROY (prv); - while ((prv = reqq_shift (&res_queue))) - ETP_DESTROY (prv); - - while (wrk_first.next != &wrk_first) - { - etp_worker *wrk = wrk_first.next; + reqq_init (&req_queue); + reqq_init (&res_queue); - if (wrk->req) - ETP_DESTROY (wrk->req); - - etp_worker_clear (wrk); - etp_worker_free (wrk); - } + wrk_first.next = + wrk_first.prev = &wrk_first; started = 0; idle = 0; @@ -430,23 +560,6 @@ nready = 0; npending = 0; - etp_thread_init (); -} - -static void ecb_cold -etp_once_init (void) -{ - etp_thread_init (); - X_THREAD_ATFORK (etp_atfork_prepare, etp_atfork_parent, etp_atfork_child); -} - -static int ecb_cold -etp_init (void (*want_poll)(void), void (*done_poll)(void)) -{ - static pthread_once_t doinit = PTHREAD_ONCE_INIT; - - pthread_once (&doinit, etp_once_init); - want_poll_cb = want_poll; done_poll_cb = done_poll; @@ -495,7 +608,7 @@ static void ecb_cold etp_end_thread (void) { - eio_req *req = calloc (1, sizeof (eio_req)); + eio_req *req = calloc (1, sizeof (eio_req)); /* will be freed by worker */ req->type = -1; req->pri = ETP_PRI_MAX - ETP_PRI_MIN; @@ -838,10 +951,10 @@ # define pread eio__pread # define pwrite eio__pwrite -static ssize_t +static eio_ssize_t eio__pread (int fd, void *buf, size_t count, off_t offset) { - ssize_t res; + eio_ssize_t res; off_t ooffset; X_LOCK (preadwritelock); @@ -854,10 +967,10 @@ return res; } -static ssize_t +static eio_ssize_t eio__pwrite (int fd, void *buf, size_t count, off_t offset) { - ssize_t res; + eio_ssize_t res; off_t ooffset; X_LOCK (preadwritelock); @@ -913,6 +1026,23 @@ # define fdatasync(fd) fsync (fd) #endif +static int +eio__syncfs (int fd) +{ + int res; + +#if HAVE_SYS_SYNCFS + res = (int)syscall (__NR_syncfs, (int)(fd)); +#else + res = EIO_ENOSYS (); +#endif + + if (res < 0 && errno == ENOSYS && fd >= 0) + sync (); + + return res; +} + /* sync_file_range always needs emulation */ static int eio__sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags) @@ -944,11 +1074,10 @@ static int eio__fallocate (int fd, int mode, off_t offset, size_t len) { -#if HAVE_FALLOCATE +#if HAVE_LINUX_FALLOCATE return fallocate (fd, mode, offset, len); #else - errno = ENOSYS; - return -1; + return EIO_ENOSYS (); #endif } @@ -956,7 +1085,7 @@ # undef readahead # define readahead(fd,offset,count) eio__readahead (fd, offset, count, self) -static ssize_t +static eio_ssize_t eio__readahead (int fd, off_t offset, size_t count, etp_worker *self) { size_t todo = count; @@ -971,18 +1100,21 @@ todo -= len; } - errno = 0; - return count; + FUBd; + + /* linux's readahead basically only fails for EBADF or EINVAL (not mmappable) */ + /* but not for e.g. EIO or eof, so we also never fail */ + return 0; } #endif /* sendfile always needs emulation */ -static ssize_t -eio__sendfile (int ofd, int ifd, off_t offset, size_t count, etp_worker *self) +static eio_ssize_t +eio__sendfile (int ofd, int ifd, off_t offset, size_t count) { - ssize_t written = 0; - ssize_t res; + eio_ssize_t written = 0; + eio_ssize_t res; if (!count) return 0; @@ -1017,7 +1149,7 @@ if (sbytes) res = sbytes; -# elif defined (__APPLE__) +# elif defined __APPLE__ off_t sbytes = count; res = sendfile (ifd, ofd, offset, &sbytes, 0, 0); @@ -1044,7 +1176,7 @@ # endif -#elif defined (_WIN32) +#elif defined (_WIN32) && 0 /* does not work, just for documentation of what would need to be done */ /* actually, cannot be done like this, as TransmitFile changes the file offset, */ /* libeio guarantees that the file offset does not change, and windows */ @@ -1054,8 +1186,7 @@ res = TransmitFile (TO_SOCKET (ofd), h, count, 0, 0, 0, 0); #else - res = -1; - errno = ENOSYS; + res = EIO_ENOSYS (); #endif /* we assume sendfile can copy at least 128mb in one go */ @@ -1087,7 +1218,9 @@ #ifdef ENOTSUP /* sigh, if the steenking pile called openbsd would only try to at least compile posix code... */ || errno == ENOTSUP #endif +#ifdef EOPNOTSUPP /* windows */ || errno == EOPNOTSUPP /* BSDs */ +#endif #if __solaris || errno == EAFNOSUPPORT || errno == EPROTOTYPE #endif @@ -1101,7 +1234,7 @@ while (count) { - ssize_t cnt; + eio_ssize_t cnt; cnt = pread (ifd, eio_buf, count > EIO_BUFSIZE ? EIO_BUFSIZE : count, offset); @@ -1123,6 +1256,8 @@ res += cnt; count -= cnt; } + + FUBd; } return res; @@ -1159,7 +1294,7 @@ } #if !_POSIX_MEMLOCK -# define eio__mlockall(a) ((errno = ENOSYS), -1) +# define eio__mlockall(a) EIO_ENOSYS () #else static int @@ -1183,7 +1318,7 @@ #endif #if !_POSIX_MEMLOCK_RANGE -# define eio__mlock(a,b) ((errno = ENOSYS), -1) +# define eio__mlock(a,b) EIO_ENOSYS () #else static int @@ -1197,7 +1332,7 @@ #endif #if !(_POSIX_MAPPED_FILES && _POSIX_SYNCHRONIZED_IO) -# define eio__msync(a,b,c) ((errno = ENOSYS), -1) +# define eio__msync(a,b,c) EIO_ENOSYS () #else static int @@ -1248,9 +1383,24 @@ /* requests implemented outside eio_execute, because they are so large */ static void -eio__realpath (eio_req *req, etp_worker *self) +eio__lseek (eio_req *req) +{ + /* this usually gets optimised away completely, or your compiler sucks, */ + /* or the whence constants really are not 0, 1, 2 */ + int whence = req->int2 == EIO_SEEK_SET ? SEEK_SET + : req->int2 == EIO_SEEK_CUR ? SEEK_CUR + : req->int2 == EIO_SEEK_END ? SEEK_END + : req->int2; + + req->offs = lseek (req->int1, req->offs, whence); + req->result = req->offs == (off_t)-1 ? -1 : 0; +} + +/* result will always end up in tmpbuf, there is always space for adding a 0-byte */ +static int +eio__realpath (struct tmpbuf *tmpbuf, eio_wd wd, const char *path) { - char *rel = req->ptr1; + const char *rel = path; char *res; char *tmp1, *tmp2; #if SYMLOOP_MAX > 32 @@ -1259,29 +1409,15 @@ int symlinks = 32; #endif - req->result = -1; - errno = EINVAL; if (!rel) - return; + return -1; errno = ENOENT; if (!*rel) - return; - - if (!req->ptr2) - { - X_LOCK (wrklock); - req->flags |= EIO_FLAG_PTR2_FREE; - X_UNLOCK (wrklock); - req->ptr2 = malloc (PATH_MAX * 3); - - errno = ENOMEM; - if (!req->ptr2) - return; - } + return -1; - res = req->ptr2; + res = tmpbuf_get (tmpbuf, PATH_MAX * 3); tmp1 = res + PATH_MAX; tmp2 = tmp1 + PATH_MAX; @@ -1310,17 +1446,30 @@ if (*rel != '/') { - if (!getcwd (res, PATH_MAX)) - return; + int len; + + errno = ENOENT; + if (wd == EIO_INVALID_WD) + return -1; + + if (wd == EIO_CWD) + { + if (!getcwd (res, PATH_MAX)) + return -1; + + len = strlen (res); + } + else + memcpy (res, wd->str, len = wd->len); if (res [1]) /* only use if not / */ - res += strlen (res); + res += len; } while (*rel) { - ssize_t len, linklen; - char *beg = rel; + eio_ssize_t len, linklen; + const char *beg = rel; while (*rel && *rel != '/') ++rel; @@ -1342,7 +1491,7 @@ { /* .. - back up one component, if possible */ - while (res != req->ptr2) + while (res != tmpbuf->ptr) if (*--res == '/') break; @@ -1352,7 +1501,7 @@ errno = ENAMETOOLONG; if (res + 1 + len + 1 >= tmp1) - return; + return -1; /* copy one component */ *res = '/'; @@ -1362,12 +1511,12 @@ res [len + 1] = 0; /* now check if it's a symlink */ - linklen = readlink (req->ptr2, tmp1, PATH_MAX); + linklen = readlink (tmpbuf->ptr, tmp1, PATH_MAX); if (linklen < 0) { if (errno != EINVAL) - return; + return -1; /* it's a normal directory. hopefully */ res += len + 1; @@ -1379,14 +1528,14 @@ errno = ENAMETOOLONG; if (linklen + 1 + rellen >= PATH_MAX) - return; + return -1; errno = ELOOP; if (!--symlinks) - return; + return -1; if (*tmp1 == '/') - res = req->ptr2; /* symlink resolves to an absolute path */ + res = tmpbuf->ptr; /* symlink resolves to an absolute path */ /* we need to be careful, as rel might point into tmp2 already */ memmove (tmp2 + linklen + 1, rel, rellen + 1); @@ -1398,13 +1547,10 @@ } /* special case for the lone root path */ - if (res == req->ptr2) + if (res == tmpbuf->ptr) *res++ = '/'; - req->result = res - (char *)req->ptr2; - -done: - req->ptr2 = realloc (req->ptr2, req->result); /* trade time for space savings */ + return res - (char *)tmpbuf->ptr; } static signed char @@ -1422,9 +1568,9 @@ #define EIO_SORT_FAST 60 /* when to only use insertion sort */ static void -eio_dent_radix_sort (eio_dirent *dents, int size, signed char score_bits, ino_t inode_bits) +eio_dent_radix_sort (eio_dirent *dents, int size, signed char score_bits, eio_ino_t inode_bits) { - unsigned char bits [9 + sizeof (ino_t) * 8]; + unsigned char bits [9 + sizeof (eio_ino_t) * 8]; unsigned char *bit = bits; assert (CHAR_BIT == 8); @@ -1436,27 +1582,27 @@ return; /* first prepare an array of bits to test in our radix sort */ - /* try to take endianness into account, as well as differences in ino_t sizes */ + /* try to take endianness into account, as well as differences in eio_ino_t sizes */ /* inode_bits must contain all inodes ORed together */ /* which is used to skip bits that are 0 everywhere, which is very common */ { - ino_t endianness; + eio_ino_t endianness; int i, j; /* we store the byte offset of byte n into byte n of "endianness" */ - for (i = 0; i < sizeof (ino_t); ++i) + for (i = 0; i < sizeof (eio_ino_t); ++i) ((unsigned char *)&endianness)[i] = i; *bit++ = 0; - for (i = 0; i < sizeof (ino_t); ++i) + for (i = 0; i < sizeof (eio_ino_t); ++i) { /* shifting off the byte offsets out of "endianness" */ int offs = (offsetof (eio_dirent, inode) + (endianness & 0xff)) * 8; endianness >>= 8; for (j = 0; j < 8; ++j) - if (inode_bits & (((ino_t)1) << (i * 8 + j))) + if (inode_bits & (((eio_ino_t)1) << (i * 8 + j))) *bit++ = offs + j; } @@ -1467,9 +1613,9 @@ /* now actually do the sorting (a variant of MSD radix sort) */ { - eio_dirent *base_stk [9 + sizeof (ino_t) * 8], *base; - eio_dirent *end_stk [9 + sizeof (ino_t) * 8], *end; - unsigned char *bit_stk [9 + sizeof (ino_t) * 8]; + eio_dirent *base_stk [9 + sizeof (eio_ino_t) * 8], *base; + eio_dirent *end_stk [9 + sizeof (eio_ino_t) * 8], *end; + unsigned char *bit_stk [9 + sizeof (eio_ino_t) * 8]; int stk_idx = 0; base_stk [stk_idx] = dents; @@ -1558,7 +1704,7 @@ } static void -eio_dent_sort (eio_dirent *dents, int size, signed char score_bits, ino_t inode_bits) +eio_dent_sort (eio_dirent *dents, int size, signed char score_bits, eio_ino_t inode_bits) { if (size <= 1) return; /* our insertion sort relies on size > 0 */ @@ -1576,25 +1722,95 @@ static void eio__scandir (eio_req *req, etp_worker *self) { - DIR *dirp; - EIO_STRUCT_DIRENT *entp; char *name, *names; - int namesalloc = 4096; + int namesalloc = 4096 - sizeof (void *) * 4; int namesoffs = 0; int flags = req->int1; eio_dirent *dents = 0; int dentalloc = 128; int dentoffs = 0; - ino_t inode_bits = 0; + eio_ino_t inode_bits = 0; +#ifdef _WIN32 + HANDLE dirp; + WIN32_FIND_DATA entp; +#else + DIR *dirp; + EIO_STRUCT_DIRENT *entp; +#endif req->result = -1; if (!(flags & EIO_READDIR_DENTS)) flags &= ~(EIO_READDIR_DIRS_FIRST | EIO_READDIR_STAT_ORDER); - X_LOCK (wrklock); - /* the corresponding closedir is in ETP_WORKER_CLEAR */ - self->dirp = dirp = opendir (req->ptr1); +#ifdef _WIN32 + { + int len = strlen ((const char *)req->ptr1); + char *path = malloc (MAX_PATH); + const char *fmt; + const char *reqpath = wd_expand (&self->tmpbuf, req->wd, req->ptr1); + + if (!len) + fmt = "./*"; + else if (reqpath[len - 1] == '/' || reqpath[len - 1] == '\\') + fmt = "%s*"; + else + fmt = "%s/*"; + + _snprintf (path, MAX_PATH, fmt, reqpath); + dirp = FindFirstFile (path, &entp); + free (path); + + if (dirp == INVALID_HANDLE_VALUE) + { + /* should steal _dosmaperr */ + switch (GetLastError ()) + { + case ERROR_FILE_NOT_FOUND: + req->result = 0; + break; + + case ERROR_INVALID_NAME: + case ERROR_PATH_NOT_FOUND: + case ERROR_NO_MORE_FILES: + errno = ENOENT; + break; + + case ERROR_NOT_ENOUGH_MEMORY: + errno = ENOMEM; + break; + + default: + errno = EINVAL; + break; + } + + return; + } + } +#else + #if HAVE_AT + if (req->wd) + { + int fd = openat (WD2FD (req->wd), req->ptr1, O_CLOEXEC | O_SEARCH | O_DIRECTORY); + + if (fd < 0) + return; + + dirp = fdopendir (fd); + + if (!dirp) + close (fd); + } + else + dirp = opendir (req->ptr1); + #else + dirp = opendir (wd_expand (&self->tmpbuf, req->wd, req->ptr1)); + #endif + + if (!dirp) + return; +#endif if (req->flags & EIO_FLAG_PTR1_FREE) free (req->ptr1); @@ -1602,178 +1818,318 @@ req->flags |= EIO_FLAG_PTR1_FREE | EIO_FLAG_PTR2_FREE; req->ptr1 = dents = flags ? malloc (dentalloc * sizeof (eio_dirent)) : 0; req->ptr2 = names = malloc (namesalloc); - X_UNLOCK (wrklock); - if (dirp && names && (!flags || dents)) - for (;;) - { - errno = 0; - entp = readdir (dirp); + if (!names || (flags && !dents)) + return; - if (!entp) - { - if (errno) - break; + for (;;) + { + int done; + +#ifdef _WIN32 + done = !dirp; +#else + errno = 0; + entp = readdir (dirp); + done = !entp; +#endif + + if (done) + { +#ifndef _WIN32 + int old_errno = errno; + closedir (dirp); + errno = old_errno; + + if (errno) + break; +#endif + + /* sort etc. */ + req->int1 = flags; + req->result = dentoffs; + + if (flags & EIO_READDIR_STAT_ORDER) + eio_dent_sort (dents, dentoffs, flags & EIO_READDIR_DIRS_FIRST ? 7 : 0, inode_bits); + else if (flags & EIO_READDIR_DIRS_FIRST) + if (flags & EIO_READDIR_FOUND_UNKNOWN) + eio_dent_sort (dents, dentoffs, 7, inode_bits); /* sort by score and inode */ + else + { + /* in this case, all is known, and we just put dirs first and sort them */ + eio_dirent *oth = dents + dentoffs; + eio_dirent *dir = dents; + + /* now partition dirs to the front, and non-dirs to the back */ + /* by walking from both sides and swapping if necessary */ + while (oth > dir) + { + if (dir->type == EIO_DT_DIR) + ++dir; + else if ((--oth)->type == EIO_DT_DIR) + { + eio_dirent tmp = *dir; *dir = *oth; *oth = tmp; - /* sort etc. */ - req->int1 = flags; - req->result = dentoffs; - - if (flags & EIO_READDIR_STAT_ORDER) - eio_dent_sort (dents, dentoffs, flags & EIO_READDIR_DIRS_FIRST ? 7 : 0, inode_bits); - else if (flags & EIO_READDIR_DIRS_FIRST) - if (flags & EIO_READDIR_FOUND_UNKNOWN) - eio_dent_sort (dents, dentoffs, 7, inode_bits); /* sort by score and inode */ - else - { - /* in this case, all is known, and we just put dirs first and sort them */ - eio_dirent *oth = dents + dentoffs; - eio_dirent *dir = dents; - - /* now partition dirs to the front, and non-dirs to the back */ - /* by walking from both sides and swapping if necessary */ - while (oth > dir) - { - if (dir->type == EIO_DT_DIR) ++dir; - else if ((--oth)->type == EIO_DT_DIR) - { - eio_dirent tmp = *dir; *dir = *oth; *oth = tmp; + } + } - ++dir; - } - } + /* now sort the dirs only (dirs all have the same score) */ + eio_dent_sort (dents, dir - dents, 0, inode_bits); + } + + break; + } + + /* now add the entry to our list(s) */ + name = D_NAME (entp); + + /* skip . and .. entries */ + if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) + { + int len = D_NAMLEN (entp) + 1; + + while (ecb_expect_false (namesoffs + len > namesalloc)) + { + namesalloc *= 2; + req->ptr2 = names = realloc (names, namesalloc); + + if (!names) + break; + } + + memcpy (names + namesoffs, name, len); + + if (dents) + { + struct eio_dirent *ent; + + if (ecb_expect_false (dentoffs == dentalloc)) + { + dentalloc *= 2; + req->ptr1 = dents = realloc (dents, dentalloc * sizeof (eio_dirent)); - /* now sort the dirs only (dirs all have the same score) */ - eio_dent_sort (dents, dir - dents, 0, inode_bits); + if (!dents) + break; } - break; - } + ent = dents + dentoffs; - /* now add the entry to our list(s) */ - name = entp->d_name; + ent->nameofs = namesoffs; /* rather dirtily we store the offset in the pointer */ + ent->namelen = len - 1; + ent->inode = D_INO (entp); - /* skip . and .. entries */ - if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) - { - int len = D_NAMLEN (entp) + 1; + inode_bits |= ent->inode; - while (ecb_expect_false (namesoffs + len > namesalloc)) - { - namesalloc *= 2; - X_LOCK (wrklock); - req->ptr2 = names = realloc (names, namesalloc); - X_UNLOCK (wrklock); + switch (D_TYPE (entp)) + { + default: + ent->type = EIO_DT_UNKNOWN; + flags |= EIO_READDIR_FOUND_UNKNOWN; + break; + + #ifdef DT_FIFO + case DT_FIFO: ent->type = EIO_DT_FIFO; break; + #endif + #ifdef DT_CHR + case DT_CHR: ent->type = EIO_DT_CHR; break; + #endif + #ifdef DT_MPC + case DT_MPC: ent->type = EIO_DT_MPC; break; + #endif + #ifdef DT_DIR + case DT_DIR: ent->type = EIO_DT_DIR; break; + #endif + #ifdef DT_NAM + case DT_NAM: ent->type = EIO_DT_NAM; break; + #endif + #ifdef DT_BLK + case DT_BLK: ent->type = EIO_DT_BLK; break; + #endif + #ifdef DT_MPB + case DT_MPB: ent->type = EIO_DT_MPB; break; + #endif + #ifdef DT_REG + case DT_REG: ent->type = EIO_DT_REG; break; + #endif + #ifdef DT_NWK + case DT_NWK: ent->type = EIO_DT_NWK; break; + #endif + #ifdef DT_CMP + case DT_CMP: ent->type = EIO_DT_CMP; break; + #endif + #ifdef DT_LNK + case DT_LNK: ent->type = EIO_DT_LNK; break; + #endif + #ifdef DT_SOCK + case DT_SOCK: ent->type = EIO_DT_SOCK; break; + #endif + #ifdef DT_DOOR + case DT_DOOR: ent->type = EIO_DT_DOOR; break; + #endif + #ifdef DT_WHT + case DT_WHT: ent->type = EIO_DT_WHT; break; + #endif + } - if (!names) - break; - } + ent->score = 7; - memcpy (names + namesoffs, name, len); + if (flags & EIO_READDIR_DIRS_FIRST) + { + if (ent->type == EIO_DT_UNKNOWN) + { + if (*name == '.') /* leading dots are likely directories, and, in any case, rare */ + ent->score = 1; + else if (!strchr (name, '.')) /* absence of dots indicate likely dirs */ + ent->score = len <= 2 ? 4 - len : len <= 4 ? 4 : len <= 7 ? 5 : 6; /* shorter == more likely dir, but avoid too many classes */ + } + else if (ent->type == EIO_DT_DIR) + ent->score = 0; + } + } - if (dents) - { - struct eio_dirent *ent; + namesoffs += len; + ++dentoffs; + } - if (ecb_expect_false (dentoffs == dentalloc)) - { - dentalloc *= 2; - X_LOCK (wrklock); - req->ptr1 = dents = realloc (dents, dentalloc * sizeof (eio_dirent)); - X_UNLOCK (wrklock); + if (EIO_CANCELLED (req)) + { + errno = ECANCELED; + break; + } - if (!dents) - break; - } +#ifdef _WIN32 + if (!FindNextFile (dirp, &entp)) + { + FindClose (dirp); + dirp = 0; + } +#endif + } +} + +/*****************************************************************************/ +/* working directory stuff */ +/* various deficiencies in the posix 2008 api force us to */ +/* keep the absolute path in string form at all times */ +/* fuck yeah. */ + +#if !HAVE_AT + +/* a bit like realpath, but usually faster because it doesn'T have to return */ +/* an absolute or canonical path */ +static const char * +wd_expand (struct tmpbuf *tmpbuf, eio_wd wd, const char *path) +{ + if (!wd || *path == '/') + return path; - ent = dents + dentoffs; + if (path [0] == '.' && !path [1]) + return wd->str; - ent->nameofs = namesoffs; /* rather dirtily we store the offset in the pointer */ - ent->namelen = len - 1; - ent->inode = D_INO (entp); + { + int l1 = wd->len; + int l2 = strlen (path); - inode_bits |= ent->inode; + char *res = tmpbuf_get (tmpbuf, l1 + l2 + 2); - switch (D_TYPE (entp)) - { - default: - ent->type = EIO_DT_UNKNOWN; - flags |= EIO_READDIR_FOUND_UNKNOWN; - break; - - #ifdef DT_FIFO - case DT_FIFO: ent->type = EIO_DT_FIFO; break; - #endif - #ifdef DT_CHR - case DT_CHR: ent->type = EIO_DT_CHR; break; - #endif - #ifdef DT_MPC - case DT_MPC: ent->type = EIO_DT_MPC; break; - #endif - #ifdef DT_DIR - case DT_DIR: ent->type = EIO_DT_DIR; break; - #endif - #ifdef DT_NAM - case DT_NAM: ent->type = EIO_DT_NAM; break; - #endif - #ifdef DT_BLK - case DT_BLK: ent->type = EIO_DT_BLK; break; - #endif - #ifdef DT_MPB - case DT_MPB: ent->type = EIO_DT_MPB; break; - #endif - #ifdef DT_REG - case DT_REG: ent->type = EIO_DT_REG; break; - #endif - #ifdef DT_NWK - case DT_NWK: ent->type = EIO_DT_NWK; break; - #endif - #ifdef DT_CMP - case DT_CMP: ent->type = EIO_DT_CMP; break; - #endif - #ifdef DT_LNK - case DT_LNK: ent->type = EIO_DT_LNK; break; - #endif - #ifdef DT_SOCK - case DT_SOCK: ent->type = EIO_DT_SOCK; break; - #endif - #ifdef DT_DOOR - case DT_DOOR: ent->type = EIO_DT_DOOR; break; - #endif - #ifdef DT_WHT - case DT_WHT: ent->type = EIO_DT_WHT; break; - #endif - } + memcpy (res, wd->str, l1); + res [l1] = '/'; + memcpy (res + l1 + 1, path, l2 + 1); - ent->score = 7; + return res; + } +} - if (flags & EIO_READDIR_DIRS_FIRST) - { - if (ent->type == EIO_DT_UNKNOWN) - { - if (*name == '.') /* leading dots are likely directories, and, in any case, rare */ - ent->score = 1; - else if (!strchr (name, '.')) /* absense of dots indicate likely dirs */ - ent->score = len <= 2 ? 4 - len : len <= 4 ? 4 : len <= 7 ? 5 : 6; /* shorter == more likely dir, but avoid too many classes */ - } - else if (ent->type == EIO_DT_DIR) - ent->score = 0; - } - } +#endif - namesoffs += len; - ++dentoffs; - } +static eio_wd +eio__wd_open_sync (struct tmpbuf *tmpbuf, eio_wd wd, const char *path) +{ + int fd; + eio_wd res; + int len = eio__realpath (tmpbuf, wd, path); - if (EIO_CANCELLED (req)) - { - errno = ECANCELED; - break; - } - } + if (len < 0) + return EIO_INVALID_WD; + +#if HAVE_AT + fd = openat (WD2FD (wd), path, O_CLOEXEC | O_SEARCH | O_DIRECTORY); + + if (fd < 0) + return EIO_INVALID_WD; +#endif + + res = malloc (sizeof (*res) + len); /* one extra 0-byte */ + +#if HAVE_AT + res->fd = fd; +#endif + + res->len = len; + memcpy (res->str, tmpbuf->ptr, len); + res->str [len] = 0; + + return res; } +eio_wd +eio_wd_open_sync (eio_wd wd, const char *path) +{ + struct tmpbuf tmpbuf = { 0 }; + wd = eio__wd_open_sync (&tmpbuf, wd, path); + free (tmpbuf.ptr); + + return wd; +} + +void +eio_wd_close_sync (eio_wd wd) +{ + if (wd != EIO_INVALID_WD && wd != EIO_CWD) + { + #if HAVE_AT + close (wd->fd); + #endif + free (wd); + } +} + +#if HAVE_AT + +/* they forgot these */ + +static int +eio__truncateat (int dirfd, const char *path, off_t length) +{ + int fd = openat (dirfd, path, O_WRONLY | O_CLOEXEC); + int res; + + if (fd < 0) + return fd; + + res = ftruncate (fd, length); + close (fd); + return res; +} + +static int +eio__statvfsat (int dirfd, const char *path, struct statvfs *buf) +{ + int fd = openat (dirfd, path, O_SEARCH | O_CLOEXEC); + int res; + + if (fd < 0) + return fd; + + res = fstatvfs (fd, buf); + close (fd); + return res; + +} + +#endif + /*****************************************************************************/ #define ALLOC(len) \ @@ -1791,12 +2147,30 @@ } \ } +static void ecb_noinline ecb_cold +etp_proc_init (void) +{ +#if HAVE_PRCTL_SET_NAME + /* provide a more sensible "thread name" */ + char name[16 + 1]; + const int namelen = sizeof (name) - 1; + int len; + + prctl (PR_GET_NAME, (unsigned long)name, 0, 0, 0); + name [namelen] = 0; + len = strlen (name); + strcpy (name + (len <= namelen - 4 ? len : namelen - 4), "/eio"); + prctl (PR_SET_NAME, (unsigned long)name, 0, 0, 0); +#endif +} + X_THREAD_PROC (etp_proc) { ETP_REQ *req; struct timespec ts; etp_worker *self = (etp_worker *)thr_arg; - int timeout; + + etp_proc_init (); /* try to distribute timeouts somewhat evenly */ ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); @@ -1809,7 +2183,7 @@ for (;;) { - self->req = req = reqq_shift (&req_queue); + req = reqq_shift (&req_queue); if (req) break; @@ -1857,18 +2231,17 @@ if (!reqq_push (&res_queue, req) && want_poll_cb) want_poll_cb (); - self->req = 0; etp_worker_clear (self); X_UNLOCK (reslock); } quit: + free (req); + X_LOCK (wrklock); etp_worker_free (self); X_UNLOCK (wrklock); - - return 0; } /*****************************************************************************/ @@ -1876,6 +2249,10 @@ int ecb_cold eio_init (void (*want_poll)(void), void (*done_poll)(void)) { +#if !HAVE_PREADWRITE + X_MUTEX_CREATE (preadwritelock); +#endif + return etp_init (want_poll, done_poll); } @@ -1912,6 +2289,12 @@ static void eio_execute (etp_worker *self, eio_req *req) { +#if HAVE_AT + int dirfd; +#else + const char *path; +#endif + if (ecb_expect_false (EIO_CANCELLED (req))) { req->result = -1; @@ -1919,8 +2302,31 @@ return; } + if (ecb_expect_false (req->wd == EIO_INVALID_WD)) + { + req->result = -1; + req->errorno = ENOENT; + return; + } + + if (req->type >= EIO_OPEN) + { + #if HAVE_AT + dirfd = WD2FD (req->wd); + #else + path = wd_expand (&self->tmpbuf, req->wd, req->ptr1); + #endif + } + switch (req->type) { + case EIO_WD_OPEN: req->wd = eio__wd_open_sync (&self->tmpbuf, req->wd, req->ptr1); + req->result = req->wd == EIO_INVALID_WD ? -1 : 0; + break; + case EIO_WD_CLOSE: req->result = 0; + eio_wd_close_sync (req->wd); break; + + case EIO_SEEK: eio__lseek (req); break; case EIO_READ: ALLOC (req->size); req->result = req->offs >= 0 ? pread (req->int1, req->ptr2, req->size, req->offs) @@ -1930,51 +2336,131 @@ : write (req->int1, req->ptr2, req->size); break; case EIO_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; - case EIO_SENDFILE: req->result = eio__sendfile (req->int1, req->int2, req->offs, req->size, self); break; + case EIO_SENDFILE: req->result = eio__sendfile (req->int1, req->int2, req->offs, req->size); break; + +#if HAVE_AT case EIO_STAT: ALLOC (sizeof (EIO_STRUCT_STAT)); - req->result = stat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; + req->result = fstatat (dirfd, req->ptr1, (EIO_STRUCT_STAT *)req->ptr2, 0); break; case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); - req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; + req->result = fstatat (dirfd, req->ptr1, (EIO_STRUCT_STAT *)req->ptr2, AT_SYMLINK_NOFOLLOW); break; + case EIO_CHOWN: req->result = fchownat (dirfd, req->ptr1, req->int2, req->int3, 0); break; + case EIO_CHMOD: req->result = fchmodat (dirfd, req->ptr1, (mode_t)req->int2, 0); break; + case EIO_TRUNCATE: req->result = eio__truncateat (dirfd, req->ptr1, req->offs); break; + case EIO_OPEN: req->result = openat (dirfd, req->ptr1, req->int1, (mode_t)req->int2); break; + + case EIO_UNLINK: req->result = unlinkat (dirfd, req->ptr1, 0); break; + case EIO_RMDIR: req->result = unlinkat (dirfd, req->ptr1, AT_REMOVEDIR); break; + case EIO_MKDIR: req->result = mkdirat (dirfd, req->ptr1, (mode_t)req->int2); break; + case EIO_RENAME: req->result = renameat (dirfd, req->ptr1, WD2FD ((eio_wd)req->int3), req->ptr2); break; + case EIO_LINK: req->result = linkat (dirfd, req->ptr1, WD2FD ((eio_wd)req->int3), req->ptr2, 0); break; + case EIO_SYMLINK: req->result = symlinkat (req->ptr1, dirfd, req->ptr2); break; + case EIO_MKNOD: req->result = mknodat (dirfd, req->ptr1, (mode_t)req->int2, (dev_t)req->offs); break; + case EIO_READLINK: ALLOC (PATH_MAX); + req->result = readlinkat (dirfd, req->ptr1, req->ptr2, PATH_MAX); break; + case EIO_STATVFS: ALLOC (sizeof (EIO_STRUCT_STATVFS)); + req->result = eio__statvfsat (dirfd, req->ptr1, (EIO_STRUCT_STATVFS *)req->ptr2); break; + case EIO_UTIME: + case EIO_FUTIME: + { + struct timespec ts[2]; + struct timespec *times; + + if (req->nv1 != -1. || req->nv2 != -1.) + { + ts[0].tv_sec = req->nv1; + ts[0].tv_nsec = (req->nv1 - ts[0].tv_sec) * 1e9; + ts[1].tv_sec = req->nv2; + ts[1].tv_nsec = (req->nv2 - ts[1].tv_sec) * 1e9; + + times = ts; + } + else + times = 0; + + req->result = req->type == EIO_FUTIME + ? futimens (req->int1, times) + : utimensat (dirfd, req->ptr1, times, 0); + } + break; + +#else + + case EIO_STAT: ALLOC (sizeof (EIO_STRUCT_STAT)); + req->result = stat (path , (EIO_STRUCT_STAT *)req->ptr2); break; + case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); + req->result = lstat (path , (EIO_STRUCT_STAT *)req->ptr2); break; + case EIO_CHOWN: req->result = chown (path , req->int2, req->int3); break; + case EIO_CHMOD: req->result = chmod (path , (mode_t)req->int2); break; + case EIO_TRUNCATE: req->result = truncate (path , req->offs); break; + case EIO_OPEN: req->result = open (path , req->int1, (mode_t)req->int2); break; + + case EIO_UNLINK: req->result = unlink (path ); break; + case EIO_RMDIR: req->result = rmdir (path ); break; + case EIO_MKDIR: req->result = mkdir (path , (mode_t)req->int2); break; + case EIO_RENAME: req->result = rename (path , req->ptr2); break; + case EIO_LINK: req->result = link (path , req->ptr2); break; + case EIO_SYMLINK: req->result = symlink (path , req->ptr2); break; + case EIO_MKNOD: req->result = mknod (path , (mode_t)req->int2, (dev_t)req->offs); break; + case EIO_READLINK: ALLOC (PATH_MAX); + req->result = readlink (path, req->ptr2, PATH_MAX); break; + case EIO_STATVFS: ALLOC (sizeof (EIO_STRUCT_STATVFS)); + req->result = statvfs (path , (EIO_STRUCT_STATVFS *)req->ptr2); break; + + case EIO_UTIME: + case EIO_FUTIME: + { + struct timeval tv[2]; + struct timeval *times; + + if (req->nv1 != -1. || req->nv2 != -1.) + { + tv[0].tv_sec = req->nv1; + tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1e6; + tv[1].tv_sec = req->nv2; + tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1e6; + + times = tv; + } + else + times = 0; + + req->result = req->type == EIO_FUTIME + ? futimes (req->int1, times) + : utimes (req->ptr1, times); + } + break; + +#endif + + case EIO_REALPATH: if (0 <= (req->result = eio__realpath (&self->tmpbuf, req->wd, req->ptr1))) + { + ALLOC (req->result); + memcpy (req->ptr2, self->tmpbuf.ptr, req->result); + } + break; + case EIO_FSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); req->result = fstat (req->int1, (EIO_STRUCT_STAT *)req->ptr2); break; - case EIO_STATVFS: ALLOC (sizeof (EIO_STRUCT_STATVFS)); - req->result = statvfs (req->ptr1, (EIO_STRUCT_STATVFS *)req->ptr2); break; case EIO_FSTATVFS: ALLOC (sizeof (EIO_STRUCT_STATVFS)); req->result = fstatvfs (req->int1, (EIO_STRUCT_STATVFS *)req->ptr2); break; - case EIO_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; case EIO_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; - case EIO_CHMOD: req->result = chmod (req->ptr1, (mode_t)req->int2); break; case EIO_FCHMOD: req->result = fchmod (req->int1, (mode_t)req->int2); break; - case EIO_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break; case EIO_FTRUNCATE: req->result = ftruncate (req->int1, req->offs); break; - case EIO_OPEN: req->result = open (req->ptr1, req->int1, (mode_t)req->int2); break; case EIO_CLOSE: req->result = close (req->int1); break; case EIO_DUP2: req->result = dup2 (req->int1, req->int2); break; - case EIO_UNLINK: req->result = unlink (req->ptr1); break; - case EIO_RMDIR: req->result = rmdir (req->ptr1); break; - case EIO_MKDIR: req->result = mkdir (req->ptr1, (mode_t)req->int2); break; - case EIO_RENAME: req->result = rename (req->ptr1, req->ptr2); break; - case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break; - case EIO_SYMLINK: req->result = symlink (req->ptr1, req->ptr2); break; - case EIO_MKNOD: req->result = mknod (req->ptr1, (mode_t)req->int2, (dev_t)req->offs); break; - - case EIO_REALPATH: eio__realpath (req, self); break; - - case EIO_READLINK: ALLOC (PATH_MAX); - req->result = readlink (req->ptr1, req->ptr2, PATH_MAX); break; - case EIO_SYNC: req->result = 0; sync (); break; case EIO_FSYNC: req->result = fsync (req->int1); break; case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; + case EIO_SYNCFS: req->result = eio__syncfs (req->int1); break; + case EIO_SYNC_FILE_RANGE: req->result = eio__sync_file_range (req->int1, req->offs, req->size, req->int2); break; case EIO_MSYNC: req->result = eio__msync (req->ptr2, req->size, req->int1); break; case EIO_MTOUCH: req->result = eio__mtouch (req); break; case EIO_MLOCK: req->result = eio__mlock (req->ptr2, req->size); break; case EIO_MLOCKALL: req->result = eio__mlockall (req->int1); break; - case EIO_SYNC_FILE_RANGE: req->result = eio__sync_file_range (req->int1, req->offs, req->size, req->int2); break; case EIO_FALLOCATE: req->result = eio__fallocate (req->int1, req->int2, req->offs, req->size); break; case EIO_READDIR: eio__scandir (req, self); break; @@ -1994,30 +2480,6 @@ #endif break; - case EIO_UTIME: - case EIO_FUTIME: - { - struct timeval tv[2]; - struct timeval *times; - - if (req->nv1 != -1. || req->nv2 != -1.) - { - tv[0].tv_sec = req->nv1; - tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.; - tv[1].tv_sec = req->nv2; - tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.; - - times = tv; - } - else - times = 0; - - req->result = req->type == EIO_FUTIME - ? futimes (req->int1, times) - : utimes (req->ptr1, times); - } - break; - case EIO_GROUP: abort (); /* handled in eio_request */ @@ -2030,8 +2492,7 @@ break; default: - errno = ENOSYS; - req->result = -1; + req->result = EIO_ENOSYS (); break; } @@ -2040,6 +2501,16 @@ #ifndef EIO_NO_WRAPPERS +eio_req *eio_wd_open (const char *path, int pri, eio_cb cb, void *data) +{ + REQ (EIO_WD_OPEN); PATH; SEND; +} + +eio_req *eio_wd_close (eio_wd wd, int pri, eio_cb cb, void *data) +{ + REQ (EIO_WD_CLOSE); req->wd = wd; SEND; +} + eio_req *eio_nop (int pri, eio_cb cb, void *data) { REQ (EIO_NOP); SEND; @@ -2065,6 +2536,21 @@ REQ (EIO_MSYNC); req->ptr2 = addr; req->size = length; req->int1 = flags; SEND; } +eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data) +{ + REQ (EIO_FDATASYNC); req->int1 = fd; SEND; +} + +eio_req *eio_syncfs (int fd, int pri, eio_cb cb, void *data) +{ + REQ (EIO_SYNCFS); req->int1 = fd; SEND; +} + +eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data) +{ + REQ (EIO_SYNC_FILE_RANGE); req->int1 = fd; req->offs = offset; req->size = nbytes; req->int2 = flags; SEND; +} + eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data) { REQ (EIO_MTOUCH); req->ptr2 = addr; req->size = length; req->int1 = flags; SEND; @@ -2080,21 +2566,11 @@ REQ (EIO_MLOCKALL); req->int1 = flags; SEND; } -eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data) -{ - REQ (EIO_SYNC_FILE_RANGE); req->int1 = fd; req->offs = offset; req->size = nbytes; req->int2 = flags; SEND; -} - eio_req *eio_fallocate (int fd, int mode, off_t offset, size_t len, int pri, eio_cb cb, void *data) { REQ (EIO_FALLOCATE); req->int1 = fd; req->int2 = mode; req->offs = offset; req->size = len; SEND; } -eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data) -{ - REQ (EIO_FDATASYNC); req->int1 = fd; SEND; -} - eio_req *eio_close (int fd, int pri, eio_cb cb, void *data) { REQ (EIO_CLOSE); req->int1 = fd; SEND; @@ -2105,6 +2581,11 @@ REQ (EIO_READAHEAD); req->int1 = fd; req->offs = offset; req->size = length; SEND; } +eio_req *eio_seek (int fd, off_t offset, int whence, int pri, eio_cb cb, void *data) +{ + REQ (EIO_SEEK); req->int1 = fd; req->offs = offset; req->int2 = whence; SEND; +} + eio_req *eio_read (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data) { REQ (EIO_READ); req->int1 = fd; req->offs = offset; req->size = length; req->ptr2 = buf; SEND; @@ -2140,7 +2621,7 @@ REQ (EIO_FCHMOD); req->int1 = fd; req->int2 = (long)mode; SEND; } -eio_req *eio_fchown (int fd, uid_t uid, gid_t gid, int pri, eio_cb cb, void *data) +eio_req *eio_fchown (int fd, eio_uid_t uid, eio_gid_t gid, int pri, eio_cb cb, void *data) { REQ (EIO_FCHOWN); req->int1 = fd; req->int2 = (long)uid; req->int3 = (long)gid; SEND; } @@ -2170,7 +2651,7 @@ REQ (EIO_TRUNCATE); PATH; req->offs = offset; SEND; } -eio_req *eio_chown (const char *path, uid_t uid, gid_t gid, int pri, eio_cb cb, void *data) +eio_req *eio_chown (const char *path, eio_uid_t uid, eio_gid_t gid, int pri, eio_cb cb, void *data) { REQ (EIO_CHOWN); PATH; req->int2 = (long)uid; req->int3 = (long)gid; SEND; } @@ -2327,19 +2808,9 @@ /*****************************************************************************/ /* misc garbage */ -ssize_t +eio_ssize_t eio_sendfile_sync (int ofd, int ifd, off_t offset, size_t count) { - etp_worker wrk; - ssize_t ret; - - wrk.dbuf = 0; - - ret = eio__sendfile (ofd, ifd, offset, count, &wrk); - - if (wrk.dbuf) - free (wrk.dbuf); - - return ret; + return eio__sendfile (ofd, ifd, offset, count); }