--- IO-AIO/AIO.xs 2011/07/18 02:02:26 1.190 +++ IO-AIO/AIO.xs 2017/06/23 22:33:06 1.248 @@ -21,6 +21,20 @@ # include #endif +/* the incompetent fool that created musl keeps __linux__, refuses + * to implement any linux standard apis, and also has no way to test + * for his broken iplementation. don't complain to me if this fails + * for you. + */ +#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) +# include +# ifdef FS_IOC_FIEMAP +# include +# include +# define HAVE_FIEMAP 1 +# endif +#endif + /* perl namespace pollution */ #undef VERSION @@ -64,6 +78,9 @@ #undef abort #undef pipe + #define EIO_STRUCT_STAT struct _stati64 + #define EIO_STRUCT_STATI64 + #else #include @@ -72,19 +89,8 @@ #include #include -#endif - -#define EIO_STRUCT_STAT Stat_t + #define EIO_STRUCT_STAT Stat_t -/* 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 #endif /*****************************************************************************/ @@ -104,11 +110,12 @@ 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; @@ -124,170 +131,14 @@ #include "libeio/eio.c" -/* 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 - -#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 - #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_RDONLY -# define ST_RDONLY 0 -#endif -#ifndef ST_NOSUID -# define ST_NOSUID 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 @@ -295,21 +146,10 @@ # 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 */ +/* also provides const_iv_ and const_niv_ macros for them */ +#include "def0.h" #ifndef makedev # define makedev(maj,min) (((maj) << 8) | (min)) @@ -321,16 +161,117 @@ # define minor(dev) ((dev) & 0xff) #endif -#ifndef PAGESIZE +#if PAGESIZE <= 0 # define PAGESIZE sysconf (_SC_PAGESIZE) #endif +/*****************************************************************************/ + +static void +fiemap (eio_req *req) +{ + req->result = -1; + +#if HAVE_FIEMAP + /* assume some c99 */ + struct fiemap *fiemap = 0; + size_t end_offset; + int count = req->int3; + + req->flags |= EIO_FLAG_PTR1_FREE; + + /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ + /* increase in 3.5kb steps */ + if (count < 0) + count = 8; + + fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); + errno = ENOMEM; + if (!fiemap) + return; + + req->ptr1 = fiemap; + + 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) < 0) + return; + + if (req->int3 >= 0 /* not autosizing */ + || !fiemap->fm_mapped_extents /* no more extents */ + || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) + goto done; + + /* else we have to loop - + * it would be tempting (actually I tried that first) to just query the + * number of extents needed, but linux often feels like not returning all + * extents, without telling us it left any out. this complicates + * this quite a bit. + */ + + end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start); + + for (;;) + { + /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */ + char scratch[3072]; + struct fiemap *incmap = (struct fiemap *)scratch; + + incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical + + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length; + incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start); + incmap->fm_flags = fiemap->fm_flags; + incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); + + if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0) + return; + + if (!incmap->fm_mapped_extents) + goto done; + + count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; + fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); + errno = ENOMEM; + if (!fiemap) + return; + + req->ptr1 = fiemap; + + for (count = 0; count < incmap->fm_mapped_extents; ++count) + { + struct fiemap_extent *e = incmap->fm_extents + count; + + if (e->fe_logical + e->fe_length >= end_offset) + goto done; + + fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; + + if (e->fe_flags & FIEMAP_EXTENT_LAST) + goto done; + + } + } + +done: + req->result = 0; + +#else + errno = ENOSYS; +#endif +} + +/*****************************************************************************/ + enum { FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ }; 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 +282,23 @@ 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 +309,19 @@ 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 ((intptr_t)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 +332,44 @@ 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 SV * +newmortalFH (int fd, int flags) +{ + if (fd < 0) + return &PL_sv_undef; + + GV *gv = (GV *)sv_newmortal (); + char sym[64]; + int symlen; + + symlen = snprintf (sym, sizeof (sym), "fd#%d", fd); + gv_init (gv, aio_stash, sym, symlen, 0); + + symlen = snprintf ( + sym, + sizeof (sym), + "%s&=%d", + flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", + fd + ); + + return do_open (gv, sym, symlen, 0, 0, 0, 0) + ? (SV *)gv : &PL_sv_undef; +} + +static void +aio_grp_feed (aio_req grp) { if (grp->sv2 && SvOK (grp->sv2)) { @@ -398,7 +387,8 @@ } } -static void req_submit (eio_req *req) +static void +req_submit (eio_req *req) { eio_submit (req); @@ -415,7 +405,8 @@ } } -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 +437,10 @@ 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; @@ -508,34 +503,7 @@ break; case EIO_OPEN: - { - /* convert fd to fh */ - SV *fh = &PL_sv_undef; - - if (req->result >= 0) - { - GV *gv = (GV *)sv_newmortal (); - int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); - char sym [64]; - int symlen; - - symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); - gv_init (gv, aio_stash, sym, symlen, 0); - - symlen = snprintf ( - sym, - sizeof (sym), - "%s&=%d", - flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", - (int)req->result - ); - - if (do_open (gv, sym, symlen, 0, 0, 0, 0)) - fh = (SV *)gv; - } - - PUSHs (fh); - } + PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR))); break; case EIO_STATVFS: @@ -548,6 +516,11 @@ { EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); HV *hv = newHV (); + /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom + * chooses to make it a struct. + */ + unsigned long fsid = 0; + memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid)); rv = sv_2mortal (newRV_noinc ((SV *)hv)); @@ -559,7 +532,7 @@ hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); - hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); + hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0); hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); } @@ -597,13 +570,19 @@ case EIO_STAT: case EIO_LSTAT: case EIO_FSTAT: - PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; - PL_laststatval = req->result; - /* if compilation fails here then perl's Stat_t is not struct _stati64 */ - 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)); @@ -614,6 +593,46 @@ } 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); @@ -644,7 +663,8 @@ return !!SvTRUE (ERRSV); } -static void req_destroy (aio_req req) +static void +req_destroy (aio_req req) { if (req->self) { @@ -654,12 +674,15 @@ 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) { if (grp->type != EIO_GROUP) return; @@ -670,32 +693,35 @@ 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 ()) { int size; - X_LOCK (reslock); - size = res_queue.size; - X_UNLOCK (reslock); + X_LOCK (EIO_POOL->reslock); + size = EIO_POOL->res_queue.size; + X_UNLOCK (EIO_POOL->reslock); if (size) return; - etp_maybe_start_thread (); + etp_maybe_start_thread (EIO_POOL); s_epipe_wait (&respipe); } } -static int poll_cb (void) +static int +poll_cb (void) { for (;;) { @@ -723,22 +749,18 @@ /*****************************************************************************/ #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 PROT_NONE 0 -# define PROT_WRITE 0 -# define MAP_PRIVATE 0 -# define MAP_SHARED 0 -# define MAP_FIXED 0 +# define mprotect(addr,len,prot) EIO_ENOSYS () #endif #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); @@ -764,26 +786,35 @@ /*****************************************************************************/ -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; \ @@ -793,6 +824,72 @@ 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 @@ -806,8 +903,31 @@ # 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 */ + /* the first block can be undef if missing */ const_iv (ENOSYS) + const_iv (EXDEV) + const_iv (EBADR) + + /* for lseek */ + const_iv (SEEK_DATA) + const_iv (SEEK_HOLE) + + const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) + const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) + const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) + const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) + const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) + const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) + + const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) + const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) + const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) + const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) + const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) + + /* the second block will be 0 when missing */ const_iv (O_RDONLY) const_iv (O_WRONLY) const_iv (O_RDWR) @@ -830,6 +950,8 @@ const_iv (O_DSYNC) const_iv (O_RSYNC) const_iv (O_SYNC) + const_iv (O_PATH) + const_iv (O_TMPFILE) const_iv (O_TTY_INIT) const_iv (S_IFIFO) @@ -842,19 +964,6 @@ const_iv (S_IFSOCK) const_iv (S_IFMT) - const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) - const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) - const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) - const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) - const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) - const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) - - const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) - const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) - const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) - const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) - const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) - const_iv (ST_RDONLY) const_iv (ST_NOSUID) const_iv (ST_NODEV) @@ -873,17 +982,108 @@ const_iv (PROT_READ) const_iv (PROT_WRITE) - /*const_iv (MAP_FIXED)*/ const_iv (MAP_PRIVATE) const_iv (MAP_SHARED) + const_iv (MAP_FIXED) const_iv (MAP_ANONYMOUS) /* linuxish */ - const_iv (MAP_HUGETLB) const_iv (MAP_LOCKED) const_iv (MAP_NORESERVE) const_iv (MAP_POPULATE) const_iv (MAP_NONBLOCK) + const_iv (MAP_GROWSDOWN) + const_iv (MAP_32BIT) + const_iv (MAP_HUGETLB) + const_iv (MAP_STACK) + + const_iv (F_DUPFD_CLOEXEC) + + const_iv (F_OFD_GETLK) + const_iv (F_OFD_SETLK) + const_iv (F_OFD_GETLKW) + + const_iv (FIFREEZE) + const_iv (FITHAW) + const_iv (FITRIM) + const_iv (FICLONE) + const_iv (FICLONERANGE) + const_iv (FIDEDUPERANGE) + + const_iv (FS_IOC_GETFLAGS) + const_iv (FS_IOC_SETFLAGS) + const_iv (FS_IOC_GETVERSION) + const_iv (FS_IOC_SETVERSION) + const_iv (FS_IOC_FIEMAP) + const_iv (FS_IOC_FSGETXATTR) + const_iv (FS_IOC_FSSETXATTR) + const_iv (FS_IOC_SET_ENCRYPTION_POLICY) + const_iv (FS_IOC_GET_ENCRYPTION_PWSALT) + const_iv (FS_IOC_GET_ENCRYPTION_POLICY) + + const_iv (FS_KEY_DESCRIPTOR_SIZE) + + const_iv (FS_SECRM_FL) + const_iv (FS_UNRM_FL) + const_iv (FS_COMPR_FL) + const_iv (FS_SYNC_FL) + const_iv (FS_IMMUTABLE_FL) + const_iv (FS_APPEND_FL) + const_iv (FS_NODUMP_FL) + const_iv (FS_NOATIME_FL) + const_iv (FS_DIRTY_FL) + const_iv (FS_COMPRBLK_FL) + const_iv (FS_NOCOMP_FL) + const_iv (FS_ENCRYPT_FL) + const_iv (FS_BTREE_FL) + const_iv (FS_INDEX_FL) + const_iv (FS_JOURNAL_DATA_FL) + const_iv (FS_NOTAIL_FL) + const_iv (FS_DIRSYNC_FL) + const_iv (FS_TOPDIR_FL) + const_iv (FS_FL_USER_MODIFIABLE) + + const_iv (FS_XFLAG_REALTIME) + const_iv (FS_XFLAG_PREALLOC) + const_iv (FS_XFLAG_IMMUTABLE) + const_iv (FS_XFLAG_APPEND) + const_iv (FS_XFLAG_SYNC) + const_iv (FS_XFLAG_NOATIME) + const_iv (FS_XFLAG_NODUMP) + const_iv (FS_XFLAG_RTINHERIT) + const_iv (FS_XFLAG_PROJINHERIT) + const_iv (FS_XFLAG_NOSYMLINKS) + const_iv (FS_XFLAG_EXTSIZE) + const_iv (FS_XFLAG_EXTSZINHERIT) + const_iv (FS_XFLAG_NODEFRAG) + const_iv (FS_XFLAG_FILESTREAM) + const_iv (FS_XFLAG_DAX) + const_iv (FS_XFLAG_HASATTR) + + 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) + + /* these are libeio constants, and are independent of gendef0 */ + const_eio (SEEK_SET) + const_eio (SEEK_CUR) + const_eio (SEEK_END) const_eio (MCL_FUTURE) const_eio (MCL_CURRENT) @@ -899,6 +1099,15 @@ const_eio (SYNC_FILE_RANGE_WAIT_AFTER) const_eio (FALLOC_FL_KEEP_SIZE) + const_eio (FALLOC_FL_PUNCH_HOLE) + const_eio (FALLOC_FL_COLLAPSE_RANGE) + const_eio (FALLOC_FL_ZERO_RANGE) + const_eio (FALLOC_FL_INSET_RANGE) + const_eio (FALLOC_FL_UNSHARE_RANGE) + + const_eio (RENAME_NOREPLACE) + const_eio (RENAME_EXCHANGE) + const_eio (RENAME_WHITEOUT) const_eio (READDIR_DENTS) const_eio (READDIR_DIRS_FIRST) @@ -919,9 +1128,10 @@ 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)); @@ -931,8 +1141,6 @@ void reinit () PROTOTYPE: - CODE: - reinit (); void max_poll_reqs (unsigned int nreqs) @@ -977,14 +1185,25 @@ max_outstanding = maxreqs; void -aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) +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; @@ -992,27 +1211,28 @@ } void -aio_fsync (SV *fh, SV *callback=&PL_sv_undef) +aio_fsync (SV *fh, SV *callback = &PL_sv_undef) ALIAS: aio_fsync = EIO_FSYNC aio_fdatasync = EIO_FDATASYNC + aio_syncfs = EIO_SYNCFS PPCODE: { - int fd = s_fileno_croak (fh, 0); + int fd = s_fileno_croak (fh, 0); dREQ; req->type = ix; req->sv1 = newSVsv (fh); req->int1 = fd; - REQ_SEND (req); + REQ_SEND; } void -aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) +aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef) PPCODE: { - int fd = s_fileno_croak (fh, 0); + int fd = s_fileno_croak (fh, 0); dREQ; req->type = EIO_SYNC_FILE_RANGE; @@ -1022,14 +1242,14 @@ 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) +aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef) PPCODE: { - int fd = s_fileno_croak (fh, 0); + int fd = s_fileno_croak (fh, 0); dREQ; req->type = EIO_FALLOCATE; @@ -1039,15 +1259,15 @@ req->offs = offset; req->size = len; - REQ_SEND (req); + REQ_SEND; } void -aio_close (SV *fh, SV *callback=&PL_sv_undef) +aio_close (SV *fh, SV *callback = &PL_sv_undef) PPCODE: { static int close_fd = -1; /* dummy fd to close fds via dup2 */ - int fd = s_fileno_croak (fh, 0); + int fd = s_fileno_croak (fh, 0); dREQ; if (expect_false (close_fd < 0)) @@ -1073,11 +1293,27 @@ 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 -aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) +aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef) ALIAS: aio_read = EIO_READ aio_write = EIO_WRITE @@ -1103,8 +1339,10 @@ else { /* read: check type and grow scalar as necessary */ - SvUPGRADE (data, SVt_PV); - svptr = SvGROW (data, len + dataoffset + 1); + if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) + svptr = sv_grow (data, len + dataoffset + 1); + else if (SvCUR (data) < len + dataoffset) + croak ("length + dataoffset outside of scalar, and cannot grow"); } { @@ -1130,7 +1368,47 @@ } void -aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) +aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef) + ALIAS: + aio_ioctl = EIO_IOCTL + aio_fcntl = EIO_FCNTL + PPCODE: +{ + int fd = s_fileno_croak (fh, 0); + char *svptr; + + if (SvPOK (arg) || !SvNIOK (arg)) + { + STRLEN svlen; + /* perl uses IOCPARM_LEN for fcntl, so we do, too */ +#ifdef IOCPARM_LEN + STRLEN need = IOCPARM_LEN (request); +#else + STRLEN need = 256; +#endif + + if (svlen < need) + svptr = SvGROW (arg, need); + } + else + svptr = (char *)SvIV (arg); + + { + dREQ; + + req->type = ix; + req->sv1 = newSVsv (fh); + req->int1 = fd; + req->int2 = (long)request; + req->sv2 = SvREFCNT_inc (arg); + req->ptr2 = svptr; + + REQ_SEND; + } +} + +void +aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef) ALIAS: aio_readlink = EIO_READLINK aio_realpath = EIO_REALPATH @@ -1139,18 +1417,17 @@ dREQ; req->type = ix; - req->sv1 = newSVsv (path); - req->ptr1 = SvPVbyte_nolen (req->sv1); + req_set_path1 (req, pathname); REQ_SEND; } void -aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) +aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef) PPCODE: { - int ifd = s_fileno_croak (in_fh , 0); - int ofd = s_fileno_croak (out_fh, 1); + int ifd = s_fileno_croak (in_fh , 0); + int ofd = s_fileno_croak (out_fh, 1); dREQ; req->type = EIO_SENDFILE; @@ -1165,10 +1442,10 @@ } void -aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) +aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef) PPCODE: { - int fd = s_fileno_croak (fh, 0); + int fd = s_fileno_croak (fh, 0); dREQ; req->type = EIO_READAHEAD; @@ -1181,7 +1458,7 @@ } void -aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) +aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef) ALIAS: aio_stat = EIO_STAT aio_lstat = EIO_LSTAT @@ -1190,18 +1467,7 @@ { 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; } @@ -1211,7 +1477,7 @@ ALIAS: minor = 1 CODE: - RETVAL = ix ? major (dev) : minor (dev); + RETVAL = ix ? minor (dev) : major (dev); OUTPUT: RETVAL @@ -1223,121 +1489,87 @@ RETVAL void -aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) +aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef) PPCODE: { dREQ; 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; } void -aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) +aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef) PPCODE: { 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 +aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef) 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; } void -aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) +aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef) PPCODE: { dREQ; 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; } void -aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) +aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef) PPCODE: { 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_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) +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 aio_rmdir = EIO_RMDIR @@ -1347,48 +1579,62 @@ dREQ; req->type = ix; - req->sv1 = newSVsv (pathname); - req->ptr1 = SvPVbyte_nolen (req->sv1); + req_set_path1 (req, pathname); REQ_SEND; } void -aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) +aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef) ALIAS: aio_link = EIO_LINK aio_symlink = EIO_SYMLINK 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; +} + +void +aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef) + PPCODE: +{ + eio_wd wd2 = 0; + dREQ; + + req->type = EIO_RENAME; + req_set_path1 (req, oldpath); + req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); + req->int2 = flags; + req->int3 = (long)wd2; REQ_SEND; } void -aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) +aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) PPCODE: { 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; } void -aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) +aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef) ALIAS: aio_mtouch = EIO_MTOUCH aio_msync = EIO_MSYNC @@ -1398,6 +1644,9 @@ char *svptr = SvPVbyte (data, svlen); UV len = SvUV (length); + if (flags < 0) + flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0; + if (offset < 0) offset += svlen; @@ -1421,7 +1670,7 @@ } void -aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) +aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef) PPCODE: { STRLEN svlen; @@ -1450,7 +1699,7 @@ } void -aio_mlockall (IV flags, SV *callback=&PL_sv_undef) +aio_mlockall (IV flags, SV *callback = &PL_sv_undef) PPCODE: { dREQ; @@ -1462,7 +1711,30 @@ } void -aio_busy (double delay, SV *callback=&PL_sv_undef) +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: { dREQ; @@ -1474,19 +1746,22 @@ } void -aio_group (SV *callback=&PL_sv_undef) +aio_group (SV *callback = &PL_sv_undef) PPCODE: { dREQ; req->type = EIO_GROUP; + PUTBACK; req_submit (req); + SPAGAIN; + XPUSHs (req_sv (req, aio_grp_stash)); } void -aio_nop (SV *callback=&PL_sv_undef) +aio_nop (SV *callback = &PL_sv_undef) ALIAS: aio_nop = EIO_NOP aio_sync = EIO_SYNC @@ -1500,7 +1775,7 @@ } int -aioreq_pri (int pri = 0) +aioreq_pri (int pri = NO_INIT) CODE: RETVAL = next_pri; if (items > 0) @@ -1592,7 +1867,7 @@ 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); @@ -1600,7 +1875,7 @@ RETVAL void -mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) +mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) PPCODE: sv_unmagic (scalar, MMAP_MAGIC); { @@ -1637,14 +1912,14 @@ sv_unmagic (scalar, MMAP_MAGIC); int -madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) +madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) ALIAS: mprotect = 1 CODE: { STRLEN svlen; - void *addr = SvPVbyte (scalar, svlen); - size_t len = SvUV (length); + void *addr = SvPVbyte (scalar, svlen); + STRLEN len = SvUV (length); if (offset < 0) offset += svlen; @@ -1668,11 +1943,11 @@ RETVAL int -munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) +munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) CODE: { STRLEN svlen; - void *addr = SvPVbyte (scalar, svlen); + void *addr = SvPVbyte (scalar, svlen); size_t len = SvUV (length); if (offset < 0) @@ -1689,7 +1964,7 @@ #if _POSIX_MEMLOCK_RANGE RETVAL = munlock (addr, len); #else - RETVAL = ((errno = ENOSYS), -1); + RETVAL = EIO_ENOSYS (); #endif } OUTPUT: @@ -1701,12 +1976,81 @@ #if _POSIX_MEMLOCK munlockall (); #else - RETVAL = -1; + 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 + +int +pipesize (aio_rfd rfh, int new_size = -1) + PROTOTYPE: $;$ + CODE: +#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ) + if (new_size >= 0) + RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size); + else + RETVAL = fcntl (rfh, F_GETPIPE_SZ); +#else errno = ENOSYS; + RETVAL = -1; #endif OUTPUT: RETVAL +void +pipe2 (int flags = 0) + PROTOTYPE: ;$ + PPCODE: +{ + int fd[2]; + int res; + + if (flags) +#if HAVE_PIPE2 + res = pipe2 (fd, flags); +#else + res = (errno = ENOSYS, -1); +#endif + else + res = pipe (fd); + + if (!res) + { + EXTEND (SP, 2); + PUSHs (newmortalFH (fd[0], O_RDONLY)); + PUSHs (newmortalFH (fd[1], O_WRONLY)); + } +} + void _on_next_submit (SV *cb) CODE: SvREFCNT_dec (on_next_submit); @@ -1714,6 +2058,34 @@ 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 @@ -1722,7 +2094,7 @@ eio_cancel (req); void -cb (aio_req_ornot req, SV *callback=&PL_sv_undef) +cb (aio_req_ornot req, SV *callback = NO_INIT) PPCODE: { if (GIMME_V != G_VOID) @@ -1730,7 +2102,7 @@ if (items > 1) { - SV *cb_cv =get_cb (callback); + SV *cb_cv = get_cb (callback); SvREFCNT_dec (req->callback); req->callback = SvREFCNT_inc (cb_cv); @@ -1797,7 +2169,7 @@ eio_grp_limit (grp, limit); void -feed (aio_req grp, SV *callback=&PL_sv_undef) +feed (aio_req grp, SV *callback = &PL_sv_undef) CODE: { SvREFCNT_dec (grp->sv2);