--- IO-AIO/AIO.xs 2009/06/06 19:44:17 1.143 +++ IO-AIO/AIO.xs 2012/07/27 18:43:25 1.219 @@ -6,6 +6,8 @@ #include "perl.h" #include "XSUB.h" +#include "schmorp.h" + #include #include #include @@ -15,71 +17,75 @@ #include #include -/* 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 +#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES +# include +#endif +#if __linux__ +# include +# ifdef FS_IOC_FIEMAP +# include +# include +# define HAVE_FIEMAP 1 +# endif #endif +/* perl namespace pollution */ +#undef VERSION + /* 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 SvVAL64 SvIV #else -# define SvVAL64 SvNV + + #include + #include + #include + #include + #include + + #define EIO_STRUCT_STAT Stat_t + #endif /*****************************************************************************/ @@ -95,20 +101,22 @@ /*****************************************************************************/ -static HV *stash; typedef SV SV8; /* byte-sv, used for argument-checking */ +typedef int aio_rfd; /* read file desriptor */ +typedef int aio_wfd; /* write file descriptor */ -#define AIO_REQ_KLASS "IO::AIO::REQ" -#define AIO_GRP_KLASS "IO::AIO::GRP" +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; #define EIO_NO_WRAPPERS 1 +#include "libeio/config.h" #include "libeio/eio.h" static int req_invoke (eio_req *req); @@ -116,40 +124,142 @@ static void req_destroy (eio_req *grp); #define EIO_DESTROY(req) req_destroy (req) +#include "libeio/eio.c" + +#if !HAVE_POSIX_FADVISE +# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ +#endif + +#if !HAVE_POSIX_MADVISE +# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ +#endif + +#ifndef MAP_ANONYMOUS +# ifdef MAP_ANON +# define MAP_ANONYMOUS MAP_ANON +# else +# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ +# endif +#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)) +#endif +#ifndef major +# define major(dev) ((dev) >> 8) +#endif +#ifndef minor +# define minor(dev) ((dev) & 0xff) +#endif + +#ifndef PAGESIZE +# define PAGESIZE sysconf (_SC_PAGESIZE) +#endif + +/*****************************************************************************/ + +static void +fiemap (eio_req *req) +{ + req->result = -1; + +#if HAVE_FIEMAP + int count = req->int3; + + /* heuristic: first try with 72 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 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_mapped_extents < count) + /* either autosizing succeeded, + * or the file had no extents + * or we luckily had enough space */ + break; + + /* some kernels overwrite fm_length, so just reset everything */ + fiemap->fm_start = req->offs; + fiemap->fm_length = req->size; + fiemap->fm_flags = req->int2; + fiemap->fm_extent_count = 0; + + if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap)) + return; + + /* to work around a kernel bug, we allocate one more */ + count = fiemap->fm_mapped_extents + 1; + + 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; static int max_outstanding; -static int respipe_osf [2], respipe [2] = { -1, -1 }; +static s_epipe respipe; 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 */ - respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); + s_epipe_signal (&respipe); } -static void done_poll (void) +static void +done_poll (void) { /* read any signals sent by the worker threads */ - char buf [4]; - while (respipe_read (respipe [0], buf, 4) == 4) - ; + s_epipe_drain (&respipe); } /* must be called at most once */ -static SV *req_sv (aio_req req, const char *klass) +static SV * +req_sv (aio_req req, HV *stash) { if (!req->self) { @@ -157,22 +267,45 @@ sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); } - return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); + 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 (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) - croak ("object of class " AIO_REQ_KLASS " expected"); + 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"))) + croak ("object of class IO::AIO::REQ expected"); mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 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)) { @@ -181,7 +314,7 @@ ENTER; SAVETMPS; PUSHMARK (SP); - XPUSHs (req_sv (grp, AIO_GRP_KLASS)); + XPUSHs (req_sv (grp, aio_grp_stash)); PUTBACK; call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); SPAGAIN; @@ -190,7 +323,8 @@ } } -static void req_submit (eio_req *req) +static void +req_submit (eio_req *req) { eio_submit (req); @@ -207,22 +341,42 @@ } } -static int req_invoke (eio_req *req) +static int +req_invoke (eio_req *req) { - dSP; - if (req->flags & FLAG_SV2_RO_OFF) SvREADONLY_off (req->sv2); if (!EIO_CANCELLED (req) && req->callback) { + dSP; + static SV *sv_result_cache; /* caches the result integer SV */ + SV *sv_result; + ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, 1); + /* do not recreate the result IV from scratch each time */ + if (expect_true (sv_result_cache)) + { + sv_result = sv_result_cache; sv_result_cache = 0; + SvIV_set (sv_result, req->result); + SvIOK_only (sv_result); + } + else + { + sv_result = newSViv (req->result); + SvREADONLY_on (sv_result); + } + 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; @@ -230,7 +384,8 @@ if (req->result >= 0) { int i; - char *buf = req->ptr2; + char *names = (char *)req->ptr2; + eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ AV *av = newAV (); av_extend (av, req->result - 1); @@ -239,8 +394,7 @@ { if (req->int1 & EIO_READDIR_DENTS) { - eio_dirent *ent = (eio_dirent *)buf; - SV *namesv = newSVpvn (ent->name, ent->namelen); + SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); if (req->int1 & EIO_READDIR_CUSTOM2) { @@ -264,13 +418,13 @@ else av_store (av, i, namesv); - buf += sizeof (eio_dirent); + ++ent; } else { - SV *name = newSVpv (buf, 0); + SV *name = newSVpv (names, 0); av_store (av, i, name); - buf += SvCUR (name) + 1; + names += SvCUR (name) + 1; } } @@ -296,15 +450,15 @@ char sym [64]; int symlen; - symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); - gv_init (gv, stash, sym, symlen, 0); + 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 ? ">" : "+<", - req->result + (int)req->result ); if (do_open (gv, sym, symlen, 0, 0, 0, 0)) @@ -315,6 +469,38 @@ } break; + case EIO_STATVFS: + case EIO_FSTATVFS: + { + SV *rv = &PL_sv_undef; + +#ifndef _WIN32 + if (req->result >= 0) + { + EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); + HV *hv = newHV (); + + rv = sv_2mortal (newRV_noinc ((SV *)hv)); + + hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); + hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); + hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); + hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); + hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); + 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, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); + hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); + } +#endif + + PUSHs (rv); + } + + break; + case EIO_GROUP: req->int1 = 2; /* mark group as finished */ @@ -334,6 +520,7 @@ break; case EIO_READLINK: + case EIO_REALPATH: if (req->result > 0) PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); break; @@ -341,10 +528,17 @@ 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); - PUSHs (sv_2mortal (newSViv (req->result))); + 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: @@ -353,17 +547,57 @@ *SvEND (req->sv2) = 0; SvPOK_only (req->sv2); SvSETMAGIC (req->sv2); - PUSHs (sv_2mortal (newSViv (req->result))); + PUSHs (sv_result); } break; - case EIO_DUP2: + 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) - req->result = 0; + SvIV_set (sv_result, 0); /* FALLTHROUGH */ default: - PUSHs (sv_2mortal (newSViv (req->result))); + PUSHs (sv_result); break; } @@ -373,6 +607,11 @@ call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); SPAGAIN; + if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) + SvREFCNT_dec (sv_result); + else + sv_result_cache = sv_result; + FREETMPS; LEAVE; @@ -382,7 +621,8 @@ return !!SvTRUE (ERRSV); } -static void req_destroy (aio_req req) +static void +req_destroy (aio_req req) { if (req->self) { @@ -392,15 +632,16 @@ 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; @@ -410,54 +651,16 @@ eio_grp_cancel (grp); } -#ifdef USE_SOCKETS_AS_HANDLES -# define TO_SOCKET(x) (win32_get_osfhandle (x)) -#else -# define TO_SOCKET(x) (x) -#endif - -static void +static void ecb_cold create_respipe (void) { - int old_readfd = respipe [0]; - - if (respipe [1] >= 0) - respipe_close (TO_SOCKET (respipe [1])); - -#ifdef _WIN32 - if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) -#else - if (pipe (respipe)) -#endif - croak ("unable to initialize result pipe"); - - if (old_readfd >= 0) - { - if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) - croak ("unable to initialize result pipe(2)"); - - respipe_close (respipe [0]); - respipe [0] = old_readfd; - } - -#ifdef _WIN32 - int arg = 1; - if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) - || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) -#else - if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) - || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) -#endif - croak ("unable to initialize result pipe(3)"); - - respipe_osf [0] = TO_SOCKET (respipe [0]); - respipe_osf [1] = TO_SOCKET (respipe [1]); + if (s_epipe_renew (&respipe)) + croak ("IO::AIO: unable to initialize result pipe"); } -static void poll_wait (void) +static void +poll_wait (void) { - fd_set rfd; - while (eio_nreqs ()) { int size; @@ -471,14 +674,12 @@ etp_maybe_start_thread (); - FD_ZERO (&rfd); - FD_SET (respipe [0], &rfd); - - PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); + s_epipe_wait (&respipe); } } -static int poll_cb (void) +static int +poll_cb (void) { for (;;) { @@ -494,43 +695,89 @@ } } -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) EIO_ENOSYS () +# define munmap(addr,length) EIO_ENOSYS () +#endif + +#if !_POSIX_MEMORY_PROTECTION +# define mprotect(addr,len,prot) EIO_ENOSYS () +# define PROT_NONE 0 +# define PROT_WRITE 0 +# define MAP_PRIVATE 0 +# define MAP_SHARED 0 +# define MAP_FIXED 0 +#endif + +#define MMAP_MAGIC PERL_MAGIC_ext + +static int ecb_cold +mmap_free (pTHX_ SV *sv, MAGIC *mg) +{ + int old_errno = errno; + munmap (mg->mg_ptr, (size_t)mg->mg_obj); + errno = old_errno; + + mg->mg_obj = 0; /* just in case */ + + SvREADONLY_off (sv); + + if (SvPVX (sv) != mg->mg_ptr) + croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); + + SvCUR_set (sv, 0); + SvPVX (sv) = 0; + SvOK_off (sv); + + return 0; +} + +static MGVTBL mmap_vtbl = { + 0, 0, 0, 0, mmap_free +}; + +/*****************************************************************************/ + static SV * get_cb (SV *cb_sv) { - HV *st; - GV *gvp; - CV *cv; + 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; - if (!SvOK (cb_sv)) - return 0; + cb_cv = get_cb (callback); - cv = sv_2cv (cb_sv, &st, &gvp, 0); + req = calloc (sizeof (*req), 1); + if (!req) + croak ("out of memory during eio_req allocation"); - if (!cv) - croak ("IO::AIO callback must be undef or a CODE reference"); + req->callback = SvREFCNT_inc (cb_cv); + req->pri = req_pri; - return (SV *)cv; + 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; \ @@ -538,46 +785,215 @@ SPAGAIN; \ \ if (GIMME_V != G_VOID) \ - XPUSHs (req_sv (req, AIO_REQ_KLASS)); + XPUSHs (req_sv (req, aio_req_stash)); -static int -extract_fd (SV *fh, int wr) +ecb_inline void +req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) { - int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh))); + if (expect_false (SvROK (path))) + { + SV *rv = SvRV (path); + SV *wdob; - if (fd < 0) - croak ("illegal fh argument, either not an OS file or read/write mode mismatch"); + if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) + { + path = AvARRAY (rv)[1]; + wdob = AvARRAY (rv)[0]; - return fd; + 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 BOOT: { - stash = gv_stashpv ("IO::AIO", 1); - static const struct { const char *name; IV iv; } *civ, const_iv[] = { -# define const_iv(name, value) { # name, (IV) value }, +# 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 , EXDEV) - const_iv (ENOSYS , ENOSYS) - const_iv (O_RDONLY, O_RDONLY) - const_iv (O_WRONLY, O_WRONLY) - const_iv (O_CREAT , O_CREAT) - const_iv (O_TRUNC , O_TRUNC) -#ifndef _WIN32 - const_iv (S_IFIFO , S_IFIFO) -#endif + + /* 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) + const_iv (O_CREAT) + const_iv (O_TRUNC) + const_iv (O_EXCL) + const_iv (O_APPEND) + + const_iv (O_ASYNC) + const_iv (O_DIRECT) + const_iv (O_NOATIME) + + const_iv (O_CLOEXEC) + const_iv (O_NOCTTY) + const_iv (O_NOFOLLOW) + const_iv (O_NONBLOCK) + const_iv (O_EXEC) + const_iv (O_SEARCH) + const_iv (O_DIRECTORY) + const_iv (O_DSYNC) + const_iv (O_RSYNC) + const_iv (O_SYNC) + const_iv (O_TTY_INIT) + + const_iv (S_IFIFO) + const_iv (S_IFCHR) + const_iv (S_IFBLK) + const_iv (S_IFLNK) + const_iv (S_IFREG) + const_iv (S_IFDIR) + const_iv (S_IFWHT) + 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) + const_iv (ST_NOEXEC) + const_iv (ST_SYNCHRONOUS) + const_iv (ST_MANDLOCK) + const_iv (ST_WRITE) + const_iv (ST_APPEND) + const_iv (ST_IMMUTABLE) + const_iv (ST_NOATIME) + const_iv (ST_NODIRATIME) + const_iv (ST_RELATIME) + + const_iv (PROT_NONE) + const_iv (PROT_EXEC) + const_iv (PROT_READ) + const_iv (PROT_WRITE) + + /*const_iv (MAP_FIXED)*/ + const_iv (MAP_PRIVATE) + const_iv (MAP_SHARED) + 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 (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) + + const_eio (MS_ASYNC) + const_eio (MS_INVALIDATE) + const_eio (MS_SYNC) + + const_eio (MT_MODIFY) + const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 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) @@ -594,20 +1010,25 @@ const_eio (DT_WHT) }; - for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) - newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); + 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); - create_respipe (); + 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)); - if (eio_init (want_poll, done_poll) < 0) - croak ("IO::AIO: unable to initialise eio library"); + newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); - /* atfork child called in fifo order, so before eio's handler */ - X_THREAD_ATFORK (0, 0, atfork_child); + reinit (); } void -max_poll_reqs (int nreqs) +reinit () + PROTOTYPE: + +void +max_poll_reqs (unsigned int nreqs) PROTOTYPE: $ CODE: eio_set_max_poll_reqs (nreqs); @@ -619,39 +1040,55 @@ eio_set_max_poll_time (nseconds); void -min_parallel (int nthreads) +min_parallel (unsigned int nthreads) PROTOTYPE: $ CODE: eio_set_min_parallel (nthreads); void -max_parallel (int nthreads) +max_parallel (unsigned int nthreads) PROTOTYPE: $ CODE: eio_set_max_parallel (nthreads); void -max_idle (int nthreads) +max_idle (unsigned int nthreads) PROTOTYPE: $ CODE: eio_set_max_idle (nthreads); void -max_outstanding (int maxreqs) +idle_timeout (unsigned int seconds) + PROTOTYPE: $ + CODE: + eio_set_idle_timeout (seconds); + +void +max_outstanding (unsigned int maxreqs) PROTOTYPE: $ CODE: 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) - PROTOTYPE: $$$;$ PPCODE: { dREQ; req->type = EIO_OPEN; - req->sv1 = newSVsv (pathname); - req->ptr1 = SvPVbyte_nolen (req->sv1); + req_set_path1 (req, pathname); req->int1 = flags; req->int2 = mode; @@ -660,67 +1097,104 @@ void aio_fsync (SV *fh, SV *callback=&PL_sv_undef) - PROTOTYPE: $;$ ALIAS: aio_fsync = EIO_FSYNC aio_fdatasync = EIO_FDATASYNC + aio_syncfs = EIO_SYNCFS PPCODE: { - int fd = extract_fd (fh, 0); + int fd = s_fileno_croak (fh, 0); dREQ; req->type = ix; req->sv1 = newSVsv (fh); req->int1 = fd; - REQ_SEND (req); + REQ_SEND; } void -aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) - PROTOTYPE: $$$$;$ +aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) PPCODE: { - int fd = extract_fd (fh, 0); + int fd = s_fileno_croak (fh, 0); dREQ; req->type = EIO_SYNC_FILE_RANGE; req->sv1 = newSVsv (fh); req->int1 = fd; - req->offs = SvVAL64 (offset); - req->size = SvVAL64 (nbytes); + req->offs = offset; + req->size = nbytes; req->int2 = flags; - REQ_SEND (req); + REQ_SEND; +} + +void +aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) + PPCODE: +{ + int fd = s_fileno_croak (fh, 0); + dREQ; + + req->type = EIO_FALLOCATE; + req->sv1 = newSVsv (fh); + req->int1 = fd; + req->int2 = mode; + req->offs = offset; + req->size = len; + + REQ_SEND; } void aio_close (SV *fh, SV *callback=&PL_sv_undef) - PROTOTYPE: $;$ PPCODE: { - static int close_pipe = -1; /* dummy fd to close fds via dup2 */ - int fd = extract_fd (fh, 0); + static int close_fd = -1; /* dummy fd to close fds via dup2 */ + int fd = s_fileno_croak (fh, 0); dREQ; - if (close_pipe < 0) + if (expect_false (close_fd < 0)) { int pipefd [2]; - if (pipe (pipefd) < 0 - || close (pipefd [1]) < 0 - || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) + if ( +#ifdef _WIN32 + _pipe (pipefd, 1, _O_BINARY) < 0 +#else + pipe (pipefd) < 0 + || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 +#endif + || close (pipefd [1]) < 0 + ) abort (); /*D*/ - close_pipe = pipefd [0]; + close_fd = pipefd [0]; } req->type = EIO_DUP2; - req->int1 = close_pipe; + req->int1 = close_fd; req->sv2 = newSVsv (fh); req->int2 = fd; - REQ_SEND (req); + REQ_SEND; +} + +void +aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) + PPCODE: +{ + int fd = s_fileno_croak (fh, 0); + dREQ; + + req->type = EIO_SEEK; + req->sv1 = newSVsv (fh); + req->int1 = fd; + req->offs = SvVAL64 (offset); + req->int2 = whence; + + REQ_SEND; } void @@ -728,11 +1202,10 @@ ALIAS: aio_read = EIO_READ aio_write = EIO_WRITE - PROTOTYPE: $$$$$;$ PPCODE: { STRLEN svlen; - int fd = extract_fd (fh, ix == EIO_WRITE); + int fd = s_fileno_croak (fh, ix == EIO_WRITE); char *svptr = SvPVbyte (data, svlen); UV len = SvUV (length); @@ -752,7 +1225,10 @@ { /* read: check type and grow scalar as necessary */ SvUPGRADE (data, SVt_PV); - svptr = SvGROW (data, len + dataoffset + 1); + if (SvLEN (data) >= SvCUR (data)) + svptr = SvGROW (data, len + dataoffset + 1); + else if (SvCUR (data) < len + dataoffset) + croak ("length + dataoffset outside of scalar, and cannot grow"); } { @@ -778,27 +1254,26 @@ } void -aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) - PROTOTYPE: $$;$ +aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) + ALIAS: + aio_readlink = EIO_READLINK + aio_realpath = EIO_REALPATH PPCODE: { - SV *data; dREQ; - req->type = EIO_READLINK; - req->sv1 = newSVsv (path); - req->ptr1 = SvPVbyte_nolen (req->sv1); + req->type = ix; + req_set_path1 (req, pathname); REQ_SEND; } void -aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) - PROTOTYPE: $$$$;$ +aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) PPCODE: { - int ifd = extract_fd (in_fh , 0); - int ofd = extract_fd (out_fh, 0); + int ifd = s_fileno_croak (in_fh , 0); + int ofd = s_fileno_croak (out_fh, 1); dREQ; req->type = EIO_SENDFILE; @@ -806,24 +1281,23 @@ req->int1 = ofd; req->sv2 = newSVsv (in_fh); req->int2 = ifd; - req->offs = SvVAL64 (in_offset); + req->offs = in_offset; req->size = length; REQ_SEND; } void -aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) - PROTOTYPE: $$$;$ +aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) PPCODE: { - int fd = extract_fd (fh, 0); + int fd = s_fileno_croak (fh, 0); dREQ; req->type = EIO_READAHEAD; req->sv1 = newSVsv (fh); req->int1 = fd; - req->offs = SvVAL64 (offset); + req->offs = offset; req->size = length; REQ_SEND; @@ -832,28 +1306,34 @@ void aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) ALIAS: - aio_stat = EIO_STAT - aio_lstat = EIO_LSTAT + aio_stat = EIO_STAT + aio_lstat = EIO_LSTAT + aio_statvfs = EIO_STATVFS PPCODE: { dREQ; - req->sv1 = newSVsv (fh_or_path); - - if (SvPOK (req->sv1)) - { - req->type = ix; - req->ptr1 = SvPVbyte_nolen (req->sv1); - } - else - { - req->type = 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; } +UV +major (UV dev) + ALIAS: + minor = 1 + CODE: + RETVAL = ix ? major (dev) : minor (dev); + OUTPUT: + RETVAL + +UV +makedev (UV maj, UV min) + CODE: + RETVAL = makedev (maj, min); + OUTPUT: + RETVAL + void aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) PPCODE: @@ -862,18 +1342,7 @@ 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; } @@ -884,45 +1353,20 @@ { 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; } @@ -935,18 +1379,7 @@ 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; } @@ -958,17 +1391,30 @@ 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 @@ -979,8 +1425,7 @@ dREQ; req->type = ix; - req->sv1 = newSVsv (pathname); - req->ptr1 = SvPVbyte_nolen (req->sv1); + req_set_path1 (req, pathname); REQ_SEND; } @@ -993,13 +1438,13 @@ 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; } @@ -1011,15 +1456,111 @@ 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) + ALIAS: + aio_mtouch = EIO_MTOUCH + aio_msync = EIO_MSYNC + PPCODE: +{ + STRLEN svlen; + char *svptr = SvPVbyte (data, svlen); + UV len = SvUV (length); + + if (offset < 0) + offset += svlen; + + if (offset < 0 || offset > svlen) + croak ("offset outside of scalar"); + + if (!SvOK (length) || len + offset > svlen) + len = svlen - offset; + + { + dREQ; + + req->type = ix; + req->sv2 = SvREFCNT_inc (data); + req->ptr2 = (char *)svptr + offset; + req->size = len; + req->int1 = flags; + + REQ_SEND; + } +} + +void +aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) + PPCODE: +{ + STRLEN svlen; + char *svptr = SvPVbyte (data, svlen); + UV len = SvUV (length); + + if (offset < 0) + offset += svlen; + + if (offset < 0 || offset > svlen) + croak ("offset outside of scalar"); + + if (!SvOK (length) || len + offset > svlen) + len = svlen - offset; + + { + dREQ; + + req->type = EIO_MLOCK; + req->sv2 = SvREFCNT_inc (data); + req->ptr2 = (char *)svptr + offset; + req->size = len; + + REQ_SEND; + } +} + +void +aio_mlockall (IV flags, SV *callback=&PL_sv_undef) + PPCODE: +{ + dREQ; + + req->type = EIO_MLOCKALL; + req->int1 = flags; + + REQ_SEND; +} + +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: { @@ -1033,7 +1574,6 @@ void aio_group (SV *callback=&PL_sv_undef) - PROTOTYPE: ;$ PPCODE: { dREQ; @@ -1041,7 +1581,7 @@ req->type = EIO_GROUP; req_submit (req); - XPUSHs (req_sv (req, AIO_GRP_KLASS)); + XPUSHs (req_sv (req, aio_grp_stash)); } void @@ -1060,7 +1600,6 @@ int aioreq_pri (int pri = 0) - PROTOTYPE: ;$ CODE: RETVAL = next_pri; if (items > 0) @@ -1082,7 +1621,6 @@ void flush () - PROTOTYPE: CODE: while (eio_nreqs ()) { @@ -1091,8 +1629,7 @@ } int -poll() - PROTOTYPE: +poll () CODE: poll_wait (); RETVAL = poll_cb (); @@ -1100,15 +1637,14 @@ RETVAL int -poll_fileno() - PROTOTYPE: +poll_fileno () CODE: - RETVAL = respipe [0]; + RETVAL = s_epipe_fd (&respipe); OUTPUT: RETVAL int -poll_cb(...) +poll_cb (...) PROTOTYPE: CODE: RETVAL = poll_cb (); @@ -1116,43 +1652,188 @@ RETVAL void -poll_wait() - PROTOTYPE: +poll_wait () CODE: poll_wait (); int -nreqs() - PROTOTYPE: +nreqs () CODE: RETVAL = eio_nreqs (); OUTPUT: RETVAL int -nready() - PROTOTYPE: +nready () CODE: RETVAL = eio_nready (); OUTPUT: RETVAL int -npending() - PROTOTYPE: +npending () CODE: RETVAL = eio_npending (); OUTPUT: RETVAL int -nthreads() - PROTOTYPE: +nthreads () CODE: RETVAL = eio_nthreads (); OUTPUT: RETVAL +int +fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) + CODE: + RETVAL = posix_fadvise (fh, offset, length, advice); + OUTPUT: + RETVAL + +IV +sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) + CODE: + RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); + OUTPUT: + RETVAL + +void +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); +{ + int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; + void *addr = (void *)mmap (0, length, prot, flags, fd, offset); + if (addr == (void *)-1) + XSRETURN_NO; + + sv_force_normal (scalar); + + /* we store the length in mg_obj, as namlen is I32 :/ */ + sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) + ->mg_obj = (SV *)length; + + SvUPGRADE (scalar, SVt_PV); /* nop... */ + + if (!(prot & PROT_WRITE)) + SvREADONLY_on (scalar); + + if (SvLEN (scalar)) + Safefree (SvPVX (scalar)); + + SvPVX (scalar) = (char *)addr; + SvCUR_set (scalar, length); + SvLEN_set (scalar, 0); + SvPOK_only (scalar); + + XSRETURN_YES; +} + +void +munmap (SV *scalar) + CODE: + sv_unmagic (scalar, MMAP_MAGIC); + +int +madvise (SV *scalar, off_t 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); + + if (offset < 0) + offset += svlen; + + if (offset < 0 || offset > svlen) + croak ("offset outside of scalar"); + + if (!SvOK (length) || len + offset > svlen) + len = svlen - offset; + + addr = (void *)(((intptr_t)addr) + offset); + eio_page_align (&addr, &len); + + switch (ix) + { + case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; + case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; + } +} + OUTPUT: + RETVAL + +int +munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) + CODE: +{ + STRLEN svlen; + void *addr = SvPVbyte (scalar, svlen); + size_t len = SvUV (length); + + if (offset < 0) + offset += svlen; + + if (offset < 0 || offset > svlen) + croak ("offset outside of scalar"); + + if (!SvOK (length) || len + offset > svlen) + len = svlen - offset; + + addr = (void *)(((intptr_t)addr) + offset); + eio_page_align (&addr, &len); +#if _POSIX_MEMLOCK_RANGE + RETVAL = munlock (addr, len); +#else + RETVAL = EIO_ENOSYS (); +#endif +} + OUTPUT: + RETVAL + +int +munlockall () + CODE: +#if _POSIX_MEMLOCK + munlockall (); +#else + 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); @@ -1160,6 +1841,34 @@ 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 @@ -1176,7 +1885,7 @@ 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);