--- IO-AIO/AIO.xs 2011/07/05 20:34:42 1.184 +++ IO-AIO/AIO.xs 2012/07/27 17:24:06 1.217 @@ -13,7 +13,6 @@ #include #include #include -#include #include #include #include @@ -22,75 +21,71 @@ # include #endif +#if __linux__ +# include +# ifdef FS_IOC_FIEMAP +# include +# include +# define HAVE_FIEMAP 1 +# endif +#endif + /* perl namespace pollution */ #undef VERSION -#ifdef _WIN32 - -# define EIO_STRUCT_DIRENT Direntry_t -# undef malloc -# undef free - -// perl overrides all those nice win32 functions -# undef open -# undef read -# undef write -# undef send -# undef recv -# undef stat -# undef fstat -# define lstat stat -# undef truncate -# undef ftruncate -# undef open -# undef close -# undef unlink -# undef rmdir -# undef rename -# undef lseek - -# define chown(a,b,c) (errno = ENOSYS, -1) -# define fchown(a,b,c) (errno = ENOSYS, -1) -# define fchmod(a,b) (errno = ENOSYS, -1) -# define symlink(a,b) (errno = ENOSYS, -1) -# define readlink(a,b,c) (errno = ENOSYS, -1) -# define mknod(a,b,c) (errno = ENOSYS, -1) -# define truncate(a,b) (errno = ENOSYS, -1) -# define ftruncate(fd,o) chsize ((fd), (o)) -# define fsync(fd) _commit (fd) -# define opendir(fd) (errno = ENOSYS, 0) -# define readdir(fd) (errno = ENOSYS, -1) -# define closedir(fd) (errno = ENOSYS, -1) -# define mkdir(a,b) mkdir (a) - -#else - -# include -# include -# include -# include -# include -# define EIO_STRUCT_DIRENT struct dirent - -#endif - /* perl stupidly overrides readdir and maybe others */ /* with thread-unsafe versions, imagine that :( */ #undef readdir #undef opendir #undef closedir -#define EIO_STRUCT_STAT Stat_t +#ifdef _WIN32 + + // perl overrides all those nice libc functions + + #undef malloc + #undef free + #undef open + #undef read + #undef write + #undef send + #undef recv + #undef stat + #undef lstat + #undef fstat + #undef truncate + #undef ftruncate + #undef open + #undef link + #undef close + #undef unlink + #undef mkdir + #undef rmdir + #undef rename + #undef lseek + #undef opendir + #undef readdir + #undef closedir + #undef chmod + #undef fchmod + #undef dup + #undef dup2 + #undef abort + #undef pipe + + #define EIO_STRUCT_STAT struct _stati64 + #define EIO_STRUCT_STATI64 -/* use NV for 32 bit perls as it allows larger offsets */ -#if IVSIZE >= 8 -# define VAL64 IV -# define SvVAL64 SvIV -# define newSVval64 newSViv #else -# define VAL64 NV -# define SvVAL64 SvNV -# define newSVval64 newSVnv + + #include + #include + #include + #include + #include + + #define EIO_STRUCT_STAT Stat_t + #endif /*****************************************************************************/ @@ -110,11 +105,12 @@ typedef int aio_rfd; /* read file desriptor */ typedef int aio_wfd; /* write file descriptor */ -static HV *aio_stash, *aio_req_stash, *aio_grp_stash; +static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; #define EIO_REQ_MEMBERS \ SV *callback; \ SV *sv1, *sv2; \ + SV *sv3, *sv4; \ STRLEN stroffset; \ SV *self; @@ -123,164 +119,21 @@ #include "libeio/config.h" #include "libeio/eio.h" -/* Linux/others */ -#ifndef O_ASYNC -# define O_ASYNC 0 -#endif -#ifndef O_DIRECT -# define O_DIRECT 0 -#endif -#ifndef O_NOATIME -# define O_NOATIME 0 -#endif - -/* POSIX */ -#ifndef O_CLOEXEC -# define O_CLOEXEC 0 -#endif -#ifndef O_NOFOLLOW -# define O_NOFOLLOW 0 -#endif -#ifndef O_NOCTTY -# define O_NOCTTY 0 -#endif -#ifndef O_NONBLOCK -# define O_NONBLOCK 0 -#endif -#ifndef O_EXEC -# define O_EXEC 0 -#endif -#ifndef O_SEARCH -# define O_SEARCH 0 -#endif -#ifndef O_DIRECTORY -# define O_DIRECTORY 0 -#endif -#ifndef O_DSYNC -# define O_DSYNC 0 -#endif -#ifndef O_RSYNC -# define O_RSYNC 0 -#endif -#ifndef O_SYNC -# define O_SYNC 0 -#endif -#ifndef O_TTY_INIT -# define O_TTY_INIT 0 -#endif +static int req_invoke (eio_req *req); +#define EIO_FINISH(req) req_invoke (req) +static void req_destroy (eio_req *grp); +#define EIO_DESTROY(req) req_destroy (req) -#ifndef POSIX_FADV_NORMAL -# define POSIX_FADV_NORMAL 0 -#endif -#ifndef POSIX_FADV_SEQUENTIAL -# define POSIX_FADV_SEQUENTIAL 0 -#endif -#ifndef POSIX_FADV_RANDOM -# define POSIX_FADV_RANDOM 0 -#endif -#ifndef POSIX_FADV_NOREUSE -# define POSIX_FADV_NOREUSE 0 -#endif -#ifndef POSIX_FADV_WILLNEED -# define POSIX_FADV_WILLNEED 0 -#endif -#ifndef POSIX_FADV_DONTNEED -# define POSIX_FADV_DONTNEED 0 -#endif +#include "libeio/eio.c" #if !HAVE_POSIX_FADVISE # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ #endif -#ifndef POSIX_MADV_NORMAL -# define POSIX_MADV_NORMAL 0 -#endif -#ifndef POSIX_MADV_SEQUENTIAL -# define POSIX_MADV_SEQUENTIAL 0 -#endif -#ifndef POSIX_MADV_RANDOM -# define POSIX_MADV_RANDOM 0 -#endif -#ifndef POSIX_MADV_WILLNEED -# define POSIX_MADV_WILLNEED 0 -#endif -#ifndef POSIX_MADV_DONTNEED -# define POSIX_MADV_DONTNEED 0 -#endif - #if !HAVE_POSIX_MADVISE # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ #endif -#ifndef PROT_NONE -# define PROT_NONE 0 -#endif -#ifndef PROT_READ -# define PROT_READ 0 -#endif -#ifndef PROT_WRITE -# define PROT_READ 0 -#endif -#ifndef PROT_EXEC -# define PROT_EXEC 0 -#endif - -#ifndef ST_NODEV -# define ST_NODEV 0 -#endif -#ifndef ST_NOEXEC -# define ST_NOEXEC 0 -#endif -#ifndef ST_SYNCHRONOUS -# define ST_SYNCHRONOUS 0 -#endif -#ifndef ST_MANDLOCK -# define ST_MANDLOCK 0 -#endif -#ifndef ST_WRITE -# define ST_WRITE 0 -#endif -#ifndef ST_APPEND -# define ST_APPEND 0 -#endif -#ifndef ST_IMMUTABLE -# define ST_IMMUTABLE 0 -#endif -#ifndef ST_NOATIME -# define ST_NOATIME 0 -#endif -#ifndef ST_NODIRATIME -# define ST_NODIRATIME 0 -#endif -#ifndef ST_RELATIME -# define ST_RELATIME 0 -#endif - -#ifndef S_IFIFO -# define S_IFIFO 0 -#endif -#ifndef S_IFCHR -# define S_IFCHR 0 -#endif -#ifndef S_IFBLK -# define S_IFBLK 0 -#endif -#ifndef S_IFLNK -# define S_IFLNK 0 -#endif -#ifndef S_IFREG -# define S_IFREG 0 -#endif -#ifndef S_IFDIR -# define S_IFDIR 0 -#endif -#ifndef S_IFWHT -# define S_IFWHT 0 -#endif -#ifndef S_IFSOCK -# define S_IFSOCK 0 -#endif - #ifndef MAP_ANONYMOUS # ifdef MAP_ANON # define MAP_ANONYMOUS MAP_ANON @@ -288,21 +141,9 @@ # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ # endif #endif -#ifndef MAP_HUGETLB -# define MAP_HUGETLB 0 -#endif -#ifndef MAP_LOCKED -# define MAP_LOCKED 0 -#endif -#ifndef MAP_NORESERVE -# define MAP_NORESERVE 0 -#endif -#ifndef MAP_POPULATE -# define MAP_POPULATE 0 -#endif -#ifndef MAP_NONBLOCK -# define MAP_NONBLOCK 0 -#endif + +/* defines all sorts of constants to 0 unless they are already defined */ +#include "def0.h" #ifndef makedev # define makedev(maj,min) (((maj) << 8) | (min)) @@ -318,19 +159,73 @@ # define PAGESIZE sysconf (_SC_PAGESIZE) #endif -static int req_invoke (eio_req *req); -#define EIO_FINISH(req) req_invoke (req) -static void req_destroy (eio_req *grp); -#define EIO_DESTROY(req) req_destroy (req) +/*****************************************************************************/ + +static void +fiemap (eio_req *req) +{ + req->result = -1; + +#if HAVE_FIEMAP + int count = req->int3; + + /* heuristic: first try with 64 extents if we don't know how many, */ + /* as most files have (hopefully) fewer than this many extents */ + /* in fact, most should have <= 2, so maybe the 72 below is probably overkill */ + if (count < 0) + count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */ + + for (;;) + { + struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); + errno = ENOMEM; + if (!fiemap) + return; + + req->ptr1 = fiemap; + req->flags |= EIO_FLAG_PTR1_FREE; + + fiemap->fm_start = req->offs; + fiemap->fm_length = req->size; + fiemap->fm_flags = req->int2; + fiemap->fm_extent_count = count; + + if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap)) + return; + + if (req->int3 >= 0) + break; /* when not autosizing we are done */ + + if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST) + break; /* autosizing successful, we are done */ + + fiemap->fm_flags = req->int2; + fiemap->fm_extent_count = 0; + + if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap)) + return; + + count = fiemap->fm_mapped_extents; + + free (fiemap); + } + + req->result = 0; + +#else + errno = ENOSYS; +#endif +} + +/*****************************************************************************/ enum { FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ }; -#include "libeio/eio.c" - typedef eio_req *aio_req; typedef eio_req *aio_req_ornot; +typedef eio_wd aio_wd; static SV *on_next_submit; static int next_pri = EIO_PRI_DEFAULT; @@ -341,20 +236,23 @@ static void req_destroy (aio_req req); static void req_cancel (aio_req req); -static void want_poll (void) +static void +want_poll (void) { /* write a dummy byte to the pipe so fh becomes ready */ s_epipe_signal (&respipe); } -static void done_poll (void) +static void +done_poll (void) { /* read any signals sent by the worker threads */ s_epipe_drain (&respipe); } /* must be called at most once */ -static SV *req_sv (aio_req req, HV *stash) +static SV * +req_sv (aio_req req, HV *stash) { if (!req->self) { @@ -365,11 +263,19 @@ return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); } -static aio_req SvAIO_REQ (SV *sv) +static SV * +newSVaio_wd (aio_wd wd) +{ + return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash); +} + +static aio_req +SvAIO_REQ (SV *sv) { MAGIC *mg; if (!SvROK (sv) + /* for speed reasons, we do not verify that SvROK actually has a stash ptr */ || (SvSTASH (SvRV (sv)) != aio_grp_stash && SvSTASH (SvRV (sv)) != aio_req_stash && !sv_derived_from (sv, "IO::AIO::REQ"))) @@ -380,7 +286,19 @@ return mg ? (aio_req)mg->mg_ptr : 0; } -static void aio_grp_feed (aio_req grp) +static aio_wd +SvAIO_WD (SV *sv) +{ + if (!SvROK (sv) + || SvTYPE (SvRV (sv)) != SVt_PVMG + || SvSTASH (SvRV (sv)) != aio_wd_stash) + croak ("IO::AIO: expected a working directory object as returned by aio_wd"); + + return (aio_wd)(long)SvIVX (SvRV (sv)); +} + +static void +aio_grp_feed (aio_req grp) { if (grp->sv2 && SvOK (grp->sv2)) { @@ -398,7 +316,8 @@ } } -static void req_submit (eio_req *req) +static void +req_submit (eio_req *req) { eio_submit (req); @@ -415,7 +334,8 @@ } } -static int req_invoke (eio_req *req) +static int +req_invoke (eio_req *req) { if (req->flags & FLAG_SV2_RO_OFF) SvREADONLY_off (req->sv2); @@ -446,6 +366,10 @@ switch (req->type) { + case EIO_WD_OPEN: + PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); + break; + case EIO_READDIR: { SV *rv = &PL_sv_undef; @@ -543,6 +467,7 @@ { SV *rv = &PL_sv_undef; +#ifndef _WIN32 if (req->result >= 0) { EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); @@ -562,6 +487,7 @@ hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); } +#endif PUSHs (rv); } @@ -595,12 +521,19 @@ case EIO_STAT: case EIO_LSTAT: case EIO_FSTAT: - PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; - PL_laststatval = req->result; - PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); + PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; + + if (!(PL_laststatval = req->result)) + /* if compilation fails here then perl's Stat_t is not struct _stati64 */ + PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); + PUSHs (sv_result); break; + case EIO_SEEK: + PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); + break; + case EIO_READ: { SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); @@ -611,6 +544,46 @@ } break; + case EIO_CUSTOM: + if (req->feed == fiemap) + { +#if HAVE_FIEMAP + if (!req->result) + { + struct fiemap *fiemap = (struct fiemap *)req->ptr1; + + if (fiemap->fm_extent_count) + { + AV *av = newAV (); + int i; + + while (fiemap->fm_mapped_extents) + { + struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; + AV *ext_av = newAV (); + + av_store (ext_av, 3, newSVuv (extent->fe_flags)); + av_store (ext_av, 2, newSVval64 (extent->fe_length)); + av_store (ext_av, 1, newSVval64 (extent->fe_physical)); + av_store (ext_av, 0, newSVval64 (extent->fe_logical)); + + av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); + } + + PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); + } + else + { + SvIV_set (sv_result, fiemap->fm_mapped_extents); + PUSHs (sv_result); + } + } +#endif + } + else + PUSHs (sv_result); + break; + case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ if (req->result > 0) SvIV_set (sv_result, 0); @@ -641,7 +614,8 @@ return !!SvTRUE (ERRSV); } -static void req_destroy (aio_req req) +static void +req_destroy (aio_req req) { if (req->self) { @@ -651,15 +625,16 @@ SvREFCNT_dec (req->sv1); SvREFCNT_dec (req->sv2); + SvREFCNT_dec (req->sv3); + SvREFCNT_dec (req->sv4); SvREFCNT_dec (req->callback); - Safefree (req); + free (req); } -static void req_cancel_subs (aio_req grp) +static void +req_cancel_subs (aio_req grp) { - aio_req sub; - if (grp->type != EIO_GROUP) return; @@ -669,13 +644,15 @@ eio_grp_cancel (grp); } -static void create_respipe (void) +static void ecb_cold +create_respipe (void) { if (s_epipe_renew (&respipe)) croak ("IO::AIO: unable to initialize result pipe"); } -static void poll_wait (void) +static void +poll_wait (void) { while (eio_nreqs ()) { @@ -694,7 +671,8 @@ } } -static int poll_cb (void) +static int +poll_cb (void) { for (;;) { @@ -710,20 +688,24 @@ } } -static void atfork_child (void) +static void ecb_cold +reinit (void) { create_respipe (); + + if (eio_init (want_poll, done_poll) < 0) + croak ("IO::AIO: unable to initialise eio library"); } /*****************************************************************************/ #if !_POSIX_MAPPED_FILES -# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) -# define munmap(addr,length) (errno = ENOSYS, -1) +# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () +# define munmap(addr,length) EIO_ENOSYS () #endif #if !_POSIX_MEMORY_PROTECTION -# define mprotect(addr,len,prot) (errno = ENOSYS, -1) +# define mprotect(addr,len,prot) EIO_ENOSYS () # define PROT_NONE 0 # define PROT_WRITE 0 # define MAP_PRIVATE 0 @@ -733,7 +715,8 @@ #define MMAP_MAGIC PERL_MAGIC_ext -static int mmap_free (pTHX_ SV *sv, MAGIC *mg) +static int ecb_cold +mmap_free (pTHX_ SV *sv, MAGIC *mg) { int old_errno = errno; munmap (mg->mg_ptr, (size_t)mg->mg_obj); @@ -759,26 +742,35 @@ /*****************************************************************************/ -static SV * get_cb (SV *cb_sv) +static SV * +get_cb (SV *cb_sv) { SvGETMAGIC (cb_sv); return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; } +static aio_req ecb_noinline +dreq (SV *callback) +{ + SV *cb_cv; + aio_req req; + int req_pri = next_pri; + next_pri = EIO_PRI_DEFAULT; + + cb_cv = get_cb (callback); + + req = calloc (sizeof (*req), 1); + if (!req) + croak ("out of memory during eio_req allocation"); + + req->callback = SvREFCNT_inc (cb_cv); + req->pri = req_pri; + + return req; +} + #define dREQ \ - SV *cb_cv; \ - aio_req req; \ - int req_pri = next_pri; \ - next_pri = EIO_PRI_DEFAULT; \ - \ - cb_cv = get_cb (callback); \ - \ - Newz (0, req, 1, eio_req); \ - if (!req) \ - croak ("out of memory during eio_req allocation"); \ - \ - req->callback = SvREFCNT_inc (cb_cv); \ - req->pri = req_pri + aio_req req = dreq (callback); \ #define REQ_SEND \ PUTBACK; \ @@ -788,6 +780,72 @@ if (GIMME_V != G_VOID) \ XPUSHs (req_sv (req, aio_req_stash)); +ecb_inline void +req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) +{ + if (expect_false (SvROK (path))) + { + SV *rv = SvRV (path); + SV *wdob; + + if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) + { + path = AvARRAY (rv)[1]; + wdob = AvARRAY (rv)[0]; + + if (SvOK (wdob)) + { + *wd = SvAIO_WD (wdob); + *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); + } + else + *wd = EIO_INVALID_WD; + } + else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) + { + *wd = (aio_wd)(long)SvIVX (rv); + *wdsv = SvREFCNT_inc_NN (rv); + *ptr = "."; + return; /* path set to "." */ + } + else + croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); + } + + *pathsv = newSVsv (path); + *ptr = SvPVbyte_nolen (*pathsv); +} + +static void ecb_noinline +req_set_path1 (aio_req req, SV *path) +{ + req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); +} + +static void ecb_noinline +req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) +{ + SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; + + switch (SvTYPE (rv)) + { + case SVt_PVIO: + case SVt_PVLV: + case SVt_PVGV: + req->type = type_fh; + req->sv1 = newSVsv (fh_or_path); + req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); + break; + + default: + req->type = type_path; + req_set_path1 (req, fh_or_path); + break; + } +} + +XS(boot_IO__AIO) ecb_cold; + MODULE = IO::AIO PACKAGE = IO::AIO PROTOTYPES: ENABLE @@ -801,8 +859,13 @@ # define const_niv(name, value) { # name, (IV) value }, # define const_iv(name) { # name, (IV) name }, # define const_eio(name) { # name, (IV) EIO_ ## name }, - const_iv (EXDEV) + + /* you have to re-run ./gendef0 after adding/Removing any constants here */ + const_iv (ENOSYS) + const_iv (EXDEV) + const_iv (EBADR) + const_iv (O_RDONLY) const_iv (O_WRONLY) const_iv (O_RDWR) @@ -880,6 +943,34 @@ const_iv (MAP_POPULATE) const_iv (MAP_NONBLOCK) + const_iv (FIEMAP_FLAG_SYNC) + const_iv (FIEMAP_FLAG_XATTR) + const_iv (FIEMAP_FLAGS_COMPAT) + const_iv (FIEMAP_EXTENT_LAST) + const_iv (FIEMAP_EXTENT_UNKNOWN) + const_iv (FIEMAP_EXTENT_DELALLOC) + const_iv (FIEMAP_EXTENT_ENCODED) + const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) + const_iv (FIEMAP_EXTENT_NOT_ALIGNED) + const_iv (FIEMAP_EXTENT_DATA_INLINE) + const_iv (FIEMAP_EXTENT_DATA_TAIL) + const_iv (FIEMAP_EXTENT_UNWRITTEN) + const_iv (FIEMAP_EXTENT_MERGED) + const_iv (FIEMAP_EXTENT_SHARED) + + const_iv (SPLICE_F_MOVE) + const_iv (SPLICE_F_NONBLOCK) + const_iv (SPLICE_F_MORE) + const_iv (SPLICE_F_GIFT) + + const_iv (SEEK_DATA) + const_iv (SEEK_HOLE) + + /* libeio constants */ + const_eio (SEEK_SET) + const_eio (SEEK_CUR) + const_eio (SEEK_END) + const_eio (MCL_FUTURE) const_eio (MCL_CURRENT) @@ -893,6 +984,9 @@ const_eio (SYNC_FILE_RANGE_WRITE) const_eio (SYNC_FILE_RANGE_WAIT_AFTER) + const_eio (FALLOC_FL_KEEP_SIZE) + const_eio (FALLOC_FL_PUNCH_HOLE) + const_eio (READDIR_DENTS) const_eio (READDIR_DIRS_FIRST) const_eio (READDIR_STAT_ORDER) @@ -912,22 +1006,21 @@ aio_stash = gv_stashpv ("IO::AIO" , 1); aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); + aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); - for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) - newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); + for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) + newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); - create_respipe (); - - if (eio_init (want_poll, done_poll) < 0) - croak ("IO::AIO: unable to initialise eio library"); - - /* atfork child called in fifo order, so before eio's handler */ - X_THREAD_ATFORK (0, 0, atfork_child); + reinit (); } void +reinit () + PROTOTYPE: + +void max_poll_reqs (unsigned int nreqs) PROTOTYPE: $ CODE: @@ -970,14 +1063,25 @@ max_outstanding = maxreqs; void +aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) + PPCODE: +{ + dREQ; + + req->type = EIO_WD_OPEN; + req_set_path1 (req, pathname); + + REQ_SEND; +} + +void aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) PPCODE: { dREQ; req->type = EIO_OPEN; - req->sv1 = newSVsv (pathname); - req->ptr1 = SvPVbyte_nolen (req->sv1); + req_set_path1 (req, pathname); req->int1 = flags; req->int2 = mode; @@ -989,6 +1093,7 @@ ALIAS: aio_fsync = EIO_FSYNC aio_fdatasync = EIO_FDATASYNC + aio_syncfs = EIO_SYNCFS PPCODE: { int fd = s_fileno_croak (fh, 0); @@ -998,7 +1103,7 @@ req->sv1 = newSVsv (fh); req->int1 = fd; - REQ_SEND (req); + REQ_SEND; } void @@ -1015,35 +1120,74 @@ req->size = nbytes; req->int2 = flags; - REQ_SEND (req); + REQ_SEND; +} + +void +aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) + PPCODE: +{ + int fd = s_fileno_croak (fh, 0); + dREQ; + + req->type = EIO_FALLOCATE; + req->sv1 = newSVsv (fh); + req->int1 = fd; + req->int2 = mode; + req->offs = offset; + req->size = len; + + REQ_SEND; } void aio_close (SV *fh, SV *callback=&PL_sv_undef) PPCODE: { - static int close_pipe = -1; /* dummy fd to close fds via dup2 */ + static int close_fd = -1; /* dummy fd to close fds via dup2 */ int fd = s_fileno_croak (fh, 0); dREQ; - if (close_pipe < 0) + if (expect_false (close_fd < 0)) { int pipefd [2]; - if (pipe (pipefd) < 0 - || close (pipefd [1]) < 0 - || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) + if ( +#ifdef _WIN32 + _pipe (pipefd, 1, _O_BINARY) < 0 +#else + pipe (pipefd) < 0 + || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 +#endif + || close (pipefd [1]) < 0 + ) abort (); /*D*/ - close_pipe = pipefd [0]; + close_fd = pipefd [0]; } req->type = EIO_DUP2; - req->int1 = close_pipe; + req->int1 = close_fd; req->sv2 = newSVsv (fh); req->int2 = fd; - REQ_SEND (req); + REQ_SEND; +} + +void +aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) + PPCODE: +{ + int fd = s_fileno_croak (fh, 0); + dREQ; + + req->type = EIO_SEEK; + req->sv1 = newSVsv (fh); + req->int1 = fd; + req->offs = SvVAL64 (offset); + req->int2 = whence; + + REQ_SEND; } void @@ -1074,7 +1218,10 @@ { /* read: check type and grow scalar as necessary */ SvUPGRADE (data, SVt_PV); - svptr = SvGROW (data, len + dataoffset + 1); + if (SvLEN (data) >= SvCUR (data)) + svptr = SvGROW (data, len + dataoffset + 1); + else if (SvCUR (data) < len + dataoffset) + croak ("length + dataoffset outside of scalar, and cannot grow"); } { @@ -1100,18 +1247,16 @@ } void -aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) +aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) ALIAS: aio_readlink = EIO_READLINK aio_realpath = EIO_REALPATH PPCODE: { - SV *data; dREQ; req->type = ix; - req->sv1 = newSVsv (path); - req->ptr1 = SvPVbyte_nolen (req->sv1); + req_set_path1 (req, pathname); REQ_SEND; } @@ -1161,18 +1306,7 @@ { dREQ; - req->sv1 = newSVsv (fh_or_path); - - if (SvPOK (req->sv1)) - { - req->type = ix; - req->ptr1 = SvPVbyte_nolen (req->sv1); - } - else - { - req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT; - req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); - } + req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); REQ_SEND; } @@ -1201,18 +1335,7 @@ req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; - req->sv1 = newSVsv (fh_or_path); - - if (SvPOK (req->sv1)) - { - req->type = EIO_UTIME; - req->ptr1 = SvPVbyte_nolen (req->sv1); - } - else - { - req->type = EIO_FUTIME; - req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); - } + req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); REQ_SEND; } @@ -1223,45 +1346,20 @@ { dREQ; - req->sv1 = newSVsv (fh_or_path); req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; - - if (SvPOK (req->sv1)) - { - req->type = EIO_TRUNCATE; - req->ptr1 = SvPVbyte_nolen (req->sv1); - } - else - { - req->type = EIO_FTRUNCATE; - req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); - } + req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); REQ_SEND; } void aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) - ALIAS: - aio_chmod = EIO_CHMOD - aio_mkdir = EIO_MKDIR PPCODE: { dREQ; req->int2 = mode; - req->sv1 = newSVsv (fh_or_path); - - if (SvPOK (req->sv1)) - { - req->type = ix; - req->ptr1 = SvPVbyte_nolen (req->sv1); - } - else - { - req->type = EIO_FCHMOD; - req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); - } + req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); REQ_SEND; } @@ -1274,18 +1372,7 @@ req->int2 = SvOK (uid) ? SvIV (uid) : -1; req->int3 = SvOK (gid) ? SvIV (gid) : -1; - req->sv1 = newSVsv (fh_or_path); - - if (SvPOK (req->sv1)) - { - req->type = EIO_CHOWN; - req->ptr1 = SvPVbyte_nolen (req->sv1); - } - else - { - req->type = EIO_FCHOWN; - req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); - } + req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); REQ_SEND; } @@ -1297,17 +1384,30 @@ dREQ; req->type = EIO_READDIR; - req->sv1 = newSVsv (pathname); - req->ptr1 = SvPVbyte_nolen (req->sv1); req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; if (flags & EIO_READDIR_DENTS) req->int1 |= EIO_READDIR_CUSTOM2; + req_set_path1 (req, pathname); + REQ_SEND; } void +aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) + PPCODE: +{ + dREQ; + + req->type = EIO_MKDIR; + req->int2 = mode; + req_set_path1 (req, pathname); + + REQ_SEND; +} + +void aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) ALIAS: aio_unlink = EIO_UNLINK @@ -1318,8 +1418,7 @@ dREQ; req->type = ix; - req->sv1 = newSVsv (pathname); - req->ptr1 = SvPVbyte_nolen (req->sv1); + req_set_path1 (req, pathname); REQ_SEND; } @@ -1332,13 +1431,13 @@ aio_rename = EIO_RENAME PPCODE: { + eio_wd wd2 = 0; dREQ; req->type = ix; - req->sv1 = newSVsv (oldpath); - req->ptr1 = SvPVbyte_nolen (req->sv1); - req->sv2 = newSVsv (newpath); - req->ptr2 = SvPVbyte_nolen (req->sv2); + req_set_path1 (req, oldpath); + req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); + req->int3 = (long)wd2; REQ_SEND; } @@ -1350,10 +1449,9 @@ dREQ; req->type = EIO_MKNOD; - req->sv1 = newSVsv (pathname); - req->ptr1 = SvPVbyte_nolen (req->sv1); req->int2 = (mode_t)mode; req->offs = dev; + req_set_path1 (req, pathname); REQ_SEND; } @@ -1433,6 +1531,29 @@ } void +aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef) + PPCODE: +{ + int fd = s_fileno_croak (fh, 0); + dREQ; + + req->type = EIO_CUSTOM; + req->sv1 = newSVsv (fh); + req->int1 = fd; + + req->feed = fiemap; +#if HAVE_FIEMAP + /* keep our fingers crossed that the next two types are 64 bit */ + req->offs = start; + req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; + req->int2 = flags; + req->int3 = SvOK (count) ? SvIV (count) : -1; +#endif + + REQ_SEND; +} + +void aio_busy (double delay, SV *callback=&PL_sv_undef) PPCODE: { @@ -1563,7 +1684,7 @@ OUTPUT: RETVAL -ssize_t +IV sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) CODE: RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); @@ -1571,7 +1692,7 @@ RETVAL void -mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) +mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) PPCODE: sv_unmagic (scalar, MMAP_MAGIC); { @@ -1614,7 +1735,7 @@ CODE: { STRLEN svlen; - void *addr = SvPVbyte (scalar, svlen); + void *addr = SvPVbyte (scalar, svlen); size_t len = SvUV (length); if (offset < 0) @@ -1660,7 +1781,7 @@ #if _POSIX_MEMLOCK_RANGE RETVAL = munlock (addr, len); #else - RETVAL = ((errno = ENOSYS), -1); + RETVAL = EIO_ENOSYS (); #endif } OUTPUT: @@ -1672,12 +1793,40 @@ #if _POSIX_MEMLOCK munlockall (); #else - RETVAL = -1; - errno = ENOSYS; + RETVAL = EIO_ENOSYS (); #endif OUTPUT: RETVAL +int +splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) + CODE: +{ +#if HAVE_LINUX_SPLICE + loff_t off_in_, off_out_; + RETVAL = splice ( + rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, + wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, + length, flags + ); +#else + RETVAL = EIO_ENOSYS (); +#endif +} + OUTPUT: + RETVAL + +int +tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) + CODE: +#if HAVE_LINUX_SPLICE + RETVAL = tee (rfh, wfh, length, flags); +#else + RETVAL = EIO_ENOSYS (); +#endif + OUTPUT: + RETVAL + void _on_next_submit (SV *cb) CODE: SvREFCNT_dec (on_next_submit); @@ -1685,6 +1834,34 @@ PROTOTYPES: DISABLE +MODULE = IO::AIO PACKAGE = IO::AIO::WD + +BOOT: +{ + newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); + newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); +} + +void +DESTROY (SV *self) + CODE: +{ + aio_wd wd = SvAIO_WD (self); +#if HAVE_AT + { + SV *callback = &PL_sv_undef; + dREQ; /* clobbers next_pri :/ */ + next_pri = req->pri; /* restore next_pri */ + req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ + req->type = EIO_WD_CLOSE; + req->wd = wd; + REQ_SEND; + } +#else + eio_wd_close_sync (wd); +#endif +} + MODULE = IO::AIO PACKAGE = IO::AIO::REQ void