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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.218 by root, Fri Jul 27 17:54:40 2012 UTC vs.
Revision 1.250 by root, Fri Sep 22 05:20:39 2017 UTC

19 19
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h> 21# include <sys/mman.h>
22#endif 22#endif
23 23
24#if __linux__ 24/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
28 */
29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
25# include <linux/fs.h> 30# include <linux/fs.h>
26# ifdef FS_IOC_FIEMAP 31# ifdef FS_IOC_FIEMAP
27# include <linux/types.h> 32# include <linux/types.h>
28# include <linux/fiemap.h> 33# include <linux/fiemap.h>
29# define HAVE_FIEMAP 1 34# define HAVE_FIEMAP 1
99#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
101 106
102/*****************************************************************************/ 107/*****************************************************************************/
103 108
109#include "libeio/config.h"
110
111#if HAVE_RLIMITS
112 #include <sys/time.h>
113 #include <sys/resource.h>
114#endif
115
104typedef SV SV8; /* byte-sv, used for argument-checking */ 116typedef SV SV8; /* byte-sv, used for argument-checking */
105typedef int aio_rfd; /* read file desriptor */ 117typedef int aio_rfd; /* read file desriptor */
106typedef int aio_wfd; /* write file descriptor */ 118typedef int aio_wfd; /* write file descriptor */
107 119
108static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; 120static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 STRLEN stroffset; \ 126 STRLEN stroffset; \
115 SV *self; 127 SV *self;
116 128
117#define EIO_NO_WRAPPERS 1 129#define EIO_NO_WRAPPERS 1
118 130
119#include "libeio/config.h"
120#include "libeio/eio.h" 131#include "libeio/eio.h"
121 132
122static int req_invoke (eio_req *req); 133static int req_invoke (eio_req *req);
123#define EIO_FINISH(req) req_invoke (req) 134#define EIO_FINISH(req) req_invoke (req)
124static void req_destroy (eio_req *grp); 135static void req_destroy (eio_req *grp);
141# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 152# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
142# endif 153# endif
143#endif 154#endif
144 155
145/* defines all sorts of constants to 0 unless they are already defined */ 156/* defines all sorts of constants to 0 unless they are already defined */
157/* also provides const_iv_ and const_niv_ macros for them */
146#include "def0.h" 158#include "def0.h"
147 159
148#ifndef makedev 160#ifndef makedev
149# define makedev(maj,min) (((maj) << 8) | (min)) 161# define makedev(maj,min) (((maj) << 8) | (min))
150#endif 162#endif
153#endif 165#endif
154#ifndef minor 166#ifndef minor
155# define minor(dev) ((dev) & 0xff) 167# define minor(dev) ((dev) & 0xff)
156#endif 168#endif
157 169
158#ifndef PAGESIZE 170#if PAGESIZE <= 0
159# define PAGESIZE sysconf (_SC_PAGESIZE) 171# define PAGESIZE sysconf (_SC_PAGESIZE)
160#endif 172#endif
161 173
162/*****************************************************************************/ 174/*****************************************************************************/
163 175
165fiemap (eio_req *req) 177fiemap (eio_req *req)
166{ 178{
167 req->result = -1; 179 req->result = -1;
168 180
169#if HAVE_FIEMAP 181#if HAVE_FIEMAP
182 /* assume some c99 */
183 struct fiemap *fiemap = 0;
184 size_t end_offset;
170 int count = req->int3; 185 int count = req->int3;
171 186
172 /* heuristic: first try with 72 extents if we don't know how many, */ 187 req->flags |= EIO_FLAG_PTR1_FREE;
173 /* as most files have (hopefully) fewer than this many extents */ 188
174 /* in fact, most should have <= 2, so the 72 below is probably overkill */ 189 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
190 /* increase in 3.5kb steps */
175 if (count < 0) 191 if (count < 0)
176 count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */ 192 count = 8;
193
194 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
195 errno = ENOMEM;
196 if (!fiemap)
197 return;
198
199 req->ptr1 = fiemap;
200
201 fiemap->fm_start = req->offs;
202 fiemap->fm_length = req->size;
203 fiemap->fm_flags = req->int2;
204 fiemap->fm_extent_count = count;
205
206 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
207 return;
208
209 if (req->int3 >= 0 /* not autosizing */
210 || !fiemap->fm_mapped_extents /* no more extents */
211 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
212 goto done;
213
214 /* else we have to loop -
215 * it would be tempting (actually I tried that first) to just query the
216 * number of extents needed, but linux often feels like not returning all
217 * extents, without telling us it left any out. this complicates
218 * this quite a bit.
219 */
220
221 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
177 222
178 for (;;) 223 for (;;)
179 { 224 {
225 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
226 char scratch[3072];
227 struct fiemap *incmap = (struct fiemap *)scratch;
228
229 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
230 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
231 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
232 incmap->fm_flags = fiemap->fm_flags;
233 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
234
235 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
236 return;
237
238 if (!incmap->fm_mapped_extents)
239 goto done;
240
241 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
180 struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 242 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
181 errno = ENOMEM; 243 errno = ENOMEM;
182 if (!fiemap) 244 if (!fiemap)
183 return; 245 return;
184 246
185 req->ptr1 = fiemap; 247 req->ptr1 = fiemap;
186 req->flags |= EIO_FLAG_PTR1_FREE;
187 248
188 fiemap->fm_start = req->offs; 249 for (count = 0; count < incmap->fm_mapped_extents; ++count)
189 fiemap->fm_length = req->size; 250 {
190 fiemap->fm_flags = req->int2; 251 struct fiemap_extent *e = incmap->fm_extents + count;
191 fiemap->fm_extent_count = count;
192 252
193 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap)) 253 if (e->fe_logical + e->fe_length >= end_offset)
194 return; 254 goto done;
195 255
196 if (req->int3 >= 0) 256 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
197 break; /* when not autosizing we are done */
198 257
199 if (!fiemap->fm_mapped_extents) 258 if (e->fe_flags & FIEMAP_EXTENT_LAST)
200 break; /* if file has no segments, we are done */ 259 goto done;
201 260
202 if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST) 261 }
203 break; /* autosizing successful, we are done */
204
205 fiemap->fm_flags = req->int2;
206 fiemap->fm_extent_count = 0;
207
208 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
209 return;
210
211 count = fiemap->fm_mapped_extents;
212
213 free (fiemap);
214 } 262 }
215 263
264done:
216 req->result = 0; 265 req->result = 0;
217 266
218#else 267#else
219 errno = ENOSYS; 268 errno = ENOSYS;
220#endif 269#endif
267} 316}
268 317
269static SV * 318static SV *
270newSVaio_wd (aio_wd wd) 319newSVaio_wd (aio_wd wd)
271{ 320{
272 return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash); 321 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
273} 322}
274 323
275static aio_req 324static aio_req
276SvAIO_REQ (SV *sv) 325SvAIO_REQ (SV *sv)
277{ 326{
296 || SvTYPE (SvRV (sv)) != SVt_PVMG 345 || SvTYPE (SvRV (sv)) != SVt_PVMG
297 || SvSTASH (SvRV (sv)) != aio_wd_stash) 346 || SvSTASH (SvRV (sv)) != aio_wd_stash)
298 croak ("IO::AIO: expected a working directory object as returned by aio_wd"); 347 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
299 348
300 return (aio_wd)(long)SvIVX (SvRV (sv)); 349 return (aio_wd)(long)SvIVX (SvRV (sv));
350}
351
352static SV *
353newmortalFH (int fd, int flags)
354{
355 if (fd < 0)
356 return &PL_sv_undef;
357
358 GV *gv = (GV *)sv_newmortal ();
359 char sym[64];
360 int symlen;
361
362 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
363 gv_init (gv, aio_stash, sym, symlen, 0);
364
365 symlen = snprintf (
366 sym,
367 sizeof (sym),
368 "%s&=%d",
369 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
370 fd
371 );
372
373 return do_open (gv, sym, symlen, 0, 0, 0, 0)
374 ? (SV *)gv : &PL_sv_undef;
301} 375}
302 376
303static void 377static void
304aio_grp_feed (aio_req grp) 378aio_grp_feed (aio_req grp)
305{ 379{
433 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 507 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
434 } 508 }
435 break; 509 break;
436 510
437 case EIO_OPEN: 511 case EIO_OPEN:
438 { 512 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
439 /* convert fd to fh */
440 SV *fh = &PL_sv_undef;
441
442 if (req->result >= 0)
443 {
444 GV *gv = (GV *)sv_newmortal ();
445 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
446 char sym [64];
447 int symlen;
448
449 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
450 gv_init (gv, aio_stash, sym, symlen, 0);
451
452 symlen = snprintf (
453 sym,
454 sizeof (sym),
455 "%s&=%d",
456 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
457 (int)req->result
458 );
459
460 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
461 fh = (SV *)gv;
462 }
463
464 PUSHs (fh);
465 }
466 break; 513 break;
467 514
468 case EIO_STATVFS: 515 case EIO_STATVFS:
469 case EIO_FSTATVFS: 516 case EIO_FSTATVFS:
470 { 517 {
473#ifndef _WIN32 520#ifndef _WIN32
474 if (req->result >= 0) 521 if (req->result >= 0)
475 { 522 {
476 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 523 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
477 HV *hv = newHV (); 524 HV *hv = newHV ();
525 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
526 * chooses to make it a struct.
527 */
528 unsigned long fsid = 0;
529 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
478 530
479 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 531 rv = sv_2mortal (newRV_noinc ((SV *)hv));
480 532
481 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 533 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
482 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 534 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
484 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 536 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
485 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 537 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
486 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 538 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
487 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 539 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
488 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 540 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
489 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 541 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
490 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 542 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
491 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 543 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
492 } 544 }
493#endif 545#endif
494 546
659{ 711{
660 while (eio_nreqs ()) 712 while (eio_nreqs ())
661 { 713 {
662 int size; 714 int size;
663 715
664 X_LOCK (reslock); 716 X_LOCK (EIO_POOL->reslock);
665 size = res_queue.size; 717 size = EIO_POOL->res_queue.size;
666 X_UNLOCK (reslock); 718 X_UNLOCK (EIO_POOL->reslock);
667 719
668 if (size) 720 if (size)
669 return; 721 return;
670 722
671 etp_maybe_start_thread (); 723 etp_maybe_start_thread (EIO_POOL);
672 724
673 s_epipe_wait (&respipe); 725 s_epipe_wait (&respipe);
674 } 726 }
675} 727}
676 728
707# define munmap(addr,length) EIO_ENOSYS () 759# define munmap(addr,length) EIO_ENOSYS ()
708#endif 760#endif
709 761
710#if !_POSIX_MEMORY_PROTECTION 762#if !_POSIX_MEMORY_PROTECTION
711# define mprotect(addr,len,prot) EIO_ENOSYS () 763# define mprotect(addr,len,prot) EIO_ENOSYS ()
712# define PROT_NONE 0
713# define PROT_WRITE 0
714# define MAP_PRIVATE 0
715# define MAP_SHARED 0
716# define MAP_FIXED 0
717#endif 764#endif
718 765
719#define MMAP_MAGIC PERL_MAGIC_ext 766#define MMAP_MAGIC PERL_MAGIC_ext
720 767
721static int ecb_cold 768static int ecb_cold
861 } *civ, const_iv[] = { 908 } *civ, const_iv[] = {
862# define const_niv(name, value) { # name, (IV) value }, 909# define const_niv(name, value) { # name, (IV) value },
863# define const_iv(name) { # name, (IV) name }, 910# define const_iv(name) { # name, (IV) name },
864# define const_eio(name) { # name, (IV) EIO_ ## name }, 911# define const_eio(name) { # name, (IV) EIO_ ## name },
865 912
866 /* you have to re-run ./gendef0 after adding/Removing any constants here */ 913 /* you have to re-run ./gendef0 after adding/removing any constants here */
867 914 /* the first block can be undef if missing */
868 const_iv (ENOSYS) 915 const_iv (ENOSYS)
869 const_iv (EXDEV) 916 const_iv (EXDEV)
870 const_iv (EBADR) 917 const_iv (EBADR)
871 918
919 /* for lseek */
920 const_iv (SEEK_DATA)
921 const_iv (SEEK_HOLE)
922
923 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
924 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
925 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
926 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
927 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
928 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
929
930 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
931 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
932 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
933 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
934 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
935
936 /* the second block will be 0 when missing */
872 const_iv (O_RDONLY) 937 const_iv (O_RDONLY)
873 const_iv (O_WRONLY) 938 const_iv (O_WRONLY)
874 const_iv (O_RDWR) 939 const_iv (O_RDWR)
875 const_iv (O_CREAT) 940 const_iv (O_CREAT)
876 const_iv (O_TRUNC) 941 const_iv (O_TRUNC)
889 const_iv (O_SEARCH) 954 const_iv (O_SEARCH)
890 const_iv (O_DIRECTORY) 955 const_iv (O_DIRECTORY)
891 const_iv (O_DSYNC) 956 const_iv (O_DSYNC)
892 const_iv (O_RSYNC) 957 const_iv (O_RSYNC)
893 const_iv (O_SYNC) 958 const_iv (O_SYNC)
959 const_iv (O_PATH)
960 const_iv (O_TMPFILE)
894 const_iv (O_TTY_INIT) 961 const_iv (O_TTY_INIT)
895 962
896 const_iv (S_IFIFO) 963 const_iv (S_IFIFO)
897 const_iv (S_IFCHR) 964 const_iv (S_IFCHR)
898 const_iv (S_IFBLK) 965 const_iv (S_IFBLK)
900 const_iv (S_IFREG) 967 const_iv (S_IFREG)
901 const_iv (S_IFDIR) 968 const_iv (S_IFDIR)
902 const_iv (S_IFWHT) 969 const_iv (S_IFWHT)
903 const_iv (S_IFSOCK) 970 const_iv (S_IFSOCK)
904 const_iv (S_IFMT) 971 const_iv (S_IFMT)
905
906 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
907 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
908 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
909 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
910 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
911 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
912
913 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
914 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
915 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
916 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
917 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
918 972
919 const_iv (ST_RDONLY) 973 const_iv (ST_RDONLY)
920 const_iv (ST_NOSUID) 974 const_iv (ST_NOSUID)
921 const_iv (ST_NODEV) 975 const_iv (ST_NODEV)
922 const_iv (ST_NOEXEC) 976 const_iv (ST_NOEXEC)
932 const_iv (PROT_NONE) 986 const_iv (PROT_NONE)
933 const_iv (PROT_EXEC) 987 const_iv (PROT_EXEC)
934 const_iv (PROT_READ) 988 const_iv (PROT_READ)
935 const_iv (PROT_WRITE) 989 const_iv (PROT_WRITE)
936 990
937 /*const_iv (MAP_FIXED)*/
938 const_iv (MAP_PRIVATE) 991 const_iv (MAP_PRIVATE)
939 const_iv (MAP_SHARED) 992 const_iv (MAP_SHARED)
993 const_iv (MAP_FIXED)
940 const_iv (MAP_ANONYMOUS) 994 const_iv (MAP_ANONYMOUS)
941 995
942 /* linuxish */ 996 /* linuxish */
943 const_iv (MAP_HUGETLB)
944 const_iv (MAP_LOCKED) 997 const_iv (MAP_LOCKED)
945 const_iv (MAP_NORESERVE) 998 const_iv (MAP_NORESERVE)
946 const_iv (MAP_POPULATE) 999 const_iv (MAP_POPULATE)
947 const_iv (MAP_NONBLOCK) 1000 const_iv (MAP_NONBLOCK)
1001 const_iv (MAP_GROWSDOWN)
1002 const_iv (MAP_32BIT)
1003 const_iv (MAP_HUGETLB)
1004 const_iv (MAP_STACK)
1005
1006 const_iv (F_DUPFD_CLOEXEC)
1007
1008 const_iv (F_OFD_GETLK)
1009 const_iv (F_OFD_SETLK)
1010 const_iv (F_OFD_GETLKW)
1011
1012 const_iv (FIFREEZE)
1013 const_iv (FITHAW)
1014 const_iv (FITRIM)
1015 const_iv (FICLONE)
1016 const_iv (FICLONERANGE)
1017 const_iv (FIDEDUPERANGE)
1018
1019 const_iv (FS_IOC_GETFLAGS)
1020 const_iv (FS_IOC_SETFLAGS)
1021 const_iv (FS_IOC_GETVERSION)
1022 const_iv (FS_IOC_SETVERSION)
1023 const_iv (FS_IOC_FIEMAP)
1024 const_iv (FS_IOC_FSGETXATTR)
1025 const_iv (FS_IOC_FSSETXATTR)
1026 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1027 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1028 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1029
1030 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1031
1032 const_iv (FS_SECRM_FL)
1033 const_iv (FS_UNRM_FL)
1034 const_iv (FS_COMPR_FL)
1035 const_iv (FS_SYNC_FL)
1036 const_iv (FS_IMMUTABLE_FL)
1037 const_iv (FS_APPEND_FL)
1038 const_iv (FS_NODUMP_FL)
1039 const_iv (FS_NOATIME_FL)
1040 const_iv (FS_DIRTY_FL)
1041 const_iv (FS_COMPRBLK_FL)
1042 const_iv (FS_NOCOMP_FL)
1043 const_iv (FS_ENCRYPT_FL)
1044 const_iv (FS_BTREE_FL)
1045 const_iv (FS_INDEX_FL)
1046 const_iv (FS_JOURNAL_DATA_FL)
1047 const_iv (FS_NOTAIL_FL)
1048 const_iv (FS_DIRSYNC_FL)
1049 const_iv (FS_TOPDIR_FL)
1050 const_iv (FS_FL_USER_MODIFIABLE)
1051
1052 const_iv (FS_XFLAG_REALTIME)
1053 const_iv (FS_XFLAG_PREALLOC)
1054 const_iv (FS_XFLAG_IMMUTABLE)
1055 const_iv (FS_XFLAG_APPEND)
1056 const_iv (FS_XFLAG_SYNC)
1057 const_iv (FS_XFLAG_NOATIME)
1058 const_iv (FS_XFLAG_NODUMP)
1059 const_iv (FS_XFLAG_RTINHERIT)
1060 const_iv (FS_XFLAG_PROJINHERIT)
1061 const_iv (FS_XFLAG_NOSYMLINKS)
1062 const_iv (FS_XFLAG_EXTSIZE)
1063 const_iv (FS_XFLAG_EXTSZINHERIT)
1064 const_iv (FS_XFLAG_NODEFRAG)
1065 const_iv (FS_XFLAG_FILESTREAM)
1066 const_iv (FS_XFLAG_DAX)
1067 const_iv (FS_XFLAG_HASATTR)
948 1068
949 const_iv (FIEMAP_FLAG_SYNC) 1069 const_iv (FIEMAP_FLAG_SYNC)
950 const_iv (FIEMAP_FLAG_XATTR) 1070 const_iv (FIEMAP_FLAG_XATTR)
951 const_iv (FIEMAP_FLAGS_COMPAT) 1071 const_iv (FIEMAP_FLAGS_COMPAT)
952 const_iv (FIEMAP_EXTENT_LAST) 1072 const_iv (FIEMAP_EXTENT_LAST)
964 const_iv (SPLICE_F_MOVE) 1084 const_iv (SPLICE_F_MOVE)
965 const_iv (SPLICE_F_NONBLOCK) 1085 const_iv (SPLICE_F_NONBLOCK)
966 const_iv (SPLICE_F_MORE) 1086 const_iv (SPLICE_F_MORE)
967 const_iv (SPLICE_F_GIFT) 1087 const_iv (SPLICE_F_GIFT)
968 1088
969 const_iv (SEEK_DATA) 1089 /* these are libeio constants, and are independent of gendef0 */
970 const_iv (SEEK_HOLE)
971
972 /* libeio constants */
973 const_eio (SEEK_SET) 1090 const_eio (SEEK_SET)
974 const_eio (SEEK_CUR) 1091 const_eio (SEEK_CUR)
975 const_eio (SEEK_END) 1092 const_eio (SEEK_END)
976 1093
977 const_eio (MCL_FUTURE) 1094 const_eio (MCL_FUTURE)
987 const_eio (SYNC_FILE_RANGE_WRITE) 1104 const_eio (SYNC_FILE_RANGE_WRITE)
988 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1105 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
989 1106
990 const_eio (FALLOC_FL_KEEP_SIZE) 1107 const_eio (FALLOC_FL_KEEP_SIZE)
991 const_eio (FALLOC_FL_PUNCH_HOLE) 1108 const_eio (FALLOC_FL_PUNCH_HOLE)
1109 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1110 const_eio (FALLOC_FL_ZERO_RANGE)
1111 const_eio (FALLOC_FL_INSERT_RANGE)
1112 const_eio (FALLOC_FL_UNSHARE_RANGE)
1113
1114 const_eio (RENAME_NOREPLACE)
1115 const_eio (RENAME_EXCHANGE)
1116 const_eio (RENAME_WHITEOUT)
992 1117
993 const_eio (READDIR_DENTS) 1118 const_eio (READDIR_DENTS)
994 const_eio (READDIR_DIRS_FIRST) 1119 const_eio (READDIR_DIRS_FIRST)
995 const_eio (READDIR_STAT_ORDER) 1120 const_eio (READDIR_STAT_ORDER)
996 const_eio (READDIR_FOUND_UNKNOWN) 1121 const_eio (READDIR_FOUND_UNKNOWN)
1064 PROTOTYPE: $ 1189 PROTOTYPE: $
1065 CODE: 1190 CODE:
1066 max_outstanding = maxreqs; 1191 max_outstanding = maxreqs;
1067 1192
1068void 1193void
1069aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) 1194aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1070 PPCODE: 1195 PPCODE:
1071{ 1196{
1072 dREQ; 1197 dREQ;
1073 1198
1074 req->type = EIO_WD_OPEN; 1199 req->type = EIO_WD_OPEN;
1076 1201
1077 REQ_SEND; 1202 REQ_SEND;
1078} 1203}
1079 1204
1080void 1205void
1081aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1206aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1082 PPCODE: 1207 PPCODE:
1083{ 1208{
1084 dREQ; 1209 dREQ;
1085 1210
1086 req->type = EIO_OPEN; 1211 req->type = EIO_OPEN;
1090 1215
1091 REQ_SEND; 1216 REQ_SEND;
1092} 1217}
1093 1218
1094void 1219void
1095aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1220aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1096 ALIAS: 1221 ALIAS:
1097 aio_fsync = EIO_FSYNC 1222 aio_fsync = EIO_FSYNC
1098 aio_fdatasync = EIO_FDATASYNC 1223 aio_fdatasync = EIO_FDATASYNC
1099 aio_syncfs = EIO_SYNCFS 1224 aio_syncfs = EIO_SYNCFS
1100 PPCODE: 1225 PPCODE:
1101{ 1226{
1102 int fd = s_fileno_croak (fh, 0); 1227 int fd = s_fileno_croak (fh, 0);
1103 dREQ; 1228 dREQ;
1104 1229
1105 req->type = ix; 1230 req->type = ix;
1106 req->sv1 = newSVsv (fh); 1231 req->sv1 = newSVsv (fh);
1107 req->int1 = fd; 1232 req->int1 = fd;
1108 1233
1109 REQ_SEND; 1234 REQ_SEND;
1110} 1235}
1111 1236
1112void 1237void
1113aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1238aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1114 PPCODE: 1239 PPCODE:
1115{ 1240{
1116 int fd = s_fileno_croak (fh, 0); 1241 int fd = s_fileno_croak (fh, 0);
1117 dREQ; 1242 dREQ;
1118 1243
1119 req->type = EIO_SYNC_FILE_RANGE; 1244 req->type = EIO_SYNC_FILE_RANGE;
1120 req->sv1 = newSVsv (fh); 1245 req->sv1 = newSVsv (fh);
1121 req->int1 = fd; 1246 req->int1 = fd;
1125 1250
1126 REQ_SEND; 1251 REQ_SEND;
1127} 1252}
1128 1253
1129void 1254void
1130aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1255aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1131 PPCODE: 1256 PPCODE:
1132{ 1257{
1133 int fd = s_fileno_croak (fh, 0); 1258 int fd = s_fileno_croak (fh, 0);
1134 dREQ; 1259 dREQ;
1135 1260
1136 req->type = EIO_FALLOCATE; 1261 req->type = EIO_FALLOCATE;
1137 req->sv1 = newSVsv (fh); 1262 req->sv1 = newSVsv (fh);
1138 req->int1 = fd; 1263 req->int1 = fd;
1142 1267
1143 REQ_SEND; 1268 REQ_SEND;
1144} 1269}
1145 1270
1146void 1271void
1147aio_close (SV *fh, SV *callback=&PL_sv_undef) 1272aio_close (SV *fh, SV *callback = &PL_sv_undef)
1148 PPCODE: 1273 PPCODE:
1149{ 1274{
1150 static int close_fd = -1; /* dummy fd to close fds via dup2 */ 1275 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1151 int fd = s_fileno_croak (fh, 0); 1276 int fd = s_fileno_croak (fh, 0);
1152 dREQ; 1277 dREQ;
1153 1278
1154 if (expect_false (close_fd < 0)) 1279 if (expect_false (close_fd < 0))
1155 { 1280 {
1156 int pipefd [2]; 1281 int pipefd [2];
1176 1301
1177 REQ_SEND; 1302 REQ_SEND;
1178} 1303}
1179 1304
1180void 1305void
1181aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) 1306aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1182 PPCODE: 1307 PPCODE:
1183{ 1308{
1184 int fd = s_fileno_croak (fh, 0); 1309 int fd = s_fileno_croak (fh, 0);
1185 dREQ; 1310 dREQ;
1186 1311
1192 1317
1193 REQ_SEND; 1318 REQ_SEND;
1194} 1319}
1195 1320
1196void 1321void
1197aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1322aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1198 ALIAS: 1323 ALIAS:
1199 aio_read = EIO_READ 1324 aio_read = EIO_READ
1200 aio_write = EIO_WRITE 1325 aio_write = EIO_WRITE
1201 PPCODE: 1326 PPCODE:
1202{ 1327{
1218 len = svlen - dataoffset; 1343 len = svlen - dataoffset;
1219 } 1344 }
1220 else 1345 else
1221 { 1346 {
1222 /* read: check type and grow scalar as necessary */ 1347 /* read: check type and grow scalar as necessary */
1223 SvUPGRADE (data, SVt_PV);
1224 if (SvLEN (data) >= SvCUR (data)) 1348 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1225 svptr = SvGROW (data, len + dataoffset + 1); 1349 svptr = sv_grow (data, len + dataoffset + 1);
1226 else if (SvCUR (data) < len + dataoffset) 1350 else if (SvCUR (data) < len + dataoffset)
1227 croak ("length + dataoffset outside of scalar, and cannot grow"); 1351 croak ("length + dataoffset outside of scalar, and cannot grow");
1228 } 1352 }
1229 1353
1230 { 1354 {
1248 REQ_SEND; 1372 REQ_SEND;
1249 } 1373 }
1250} 1374}
1251 1375
1252void 1376void
1377aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1378 ALIAS:
1379 aio_ioctl = EIO_IOCTL
1380 aio_fcntl = EIO_FCNTL
1381 PPCODE:
1382{
1383 int fd = s_fileno_croak (fh, 0);
1384 char *svptr;
1385
1386 if (SvPOK (arg) || !SvNIOK (arg))
1387 {
1388 STRLEN svlen;
1389 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1390#ifdef IOCPARM_LEN
1391 STRLEN need = IOCPARM_LEN (request);
1392#else
1393 STRLEN need = 256;
1394#endif
1395
1396 if (svlen < need)
1397 svptr = SvGROW (arg, need);
1398 }
1399 else
1400 svptr = (char *)SvIV (arg);
1401
1402 {
1403 dREQ;
1404
1405 req->type = ix;
1406 req->sv1 = newSVsv (fh);
1407 req->int1 = fd;
1408 req->int2 = (long)request;
1409 req->sv2 = SvREFCNT_inc (arg);
1410 req->ptr2 = svptr;
1411
1412 REQ_SEND;
1413 }
1414}
1415
1416void
1253aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1417aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1254 ALIAS: 1418 ALIAS:
1255 aio_readlink = EIO_READLINK 1419 aio_readlink = EIO_READLINK
1256 aio_realpath = EIO_REALPATH 1420 aio_realpath = EIO_REALPATH
1257 PPCODE: 1421 PPCODE:
1258{ 1422{
1263 1427
1264 REQ_SEND; 1428 REQ_SEND;
1265} 1429}
1266 1430
1267void 1431void
1268aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1432aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1269 PPCODE: 1433 PPCODE:
1270{ 1434{
1271 int ifd = s_fileno_croak (in_fh , 0); 1435 int ifd = s_fileno_croak (in_fh , 0);
1272 int ofd = s_fileno_croak (out_fh, 1); 1436 int ofd = s_fileno_croak (out_fh, 1);
1273 dREQ; 1437 dREQ;
1274 1438
1275 req->type = EIO_SENDFILE; 1439 req->type = EIO_SENDFILE;
1276 req->sv1 = newSVsv (out_fh); 1440 req->sv1 = newSVsv (out_fh);
1277 req->int1 = ofd; 1441 req->int1 = ofd;
1282 1446
1283 REQ_SEND; 1447 REQ_SEND;
1284} 1448}
1285 1449
1286void 1450void
1287aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1451aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1288 PPCODE: 1452 PPCODE:
1289{ 1453{
1290 int fd = s_fileno_croak (fh, 0); 1454 int fd = s_fileno_croak (fh, 0);
1291 dREQ; 1455 dREQ;
1292 1456
1293 req->type = EIO_READAHEAD; 1457 req->type = EIO_READAHEAD;
1294 req->sv1 = newSVsv (fh); 1458 req->sv1 = newSVsv (fh);
1295 req->int1 = fd; 1459 req->int1 = fd;
1298 1462
1299 REQ_SEND; 1463 REQ_SEND;
1300} 1464}
1301 1465
1302void 1466void
1303aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1467aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1304 ALIAS: 1468 ALIAS:
1305 aio_stat = EIO_STAT 1469 aio_stat = EIO_STAT
1306 aio_lstat = EIO_LSTAT 1470 aio_lstat = EIO_LSTAT
1307 aio_statvfs = EIO_STATVFS 1471 aio_statvfs = EIO_STATVFS
1308 PPCODE: 1472 PPCODE:
1317UV 1481UV
1318major (UV dev) 1482major (UV dev)
1319 ALIAS: 1483 ALIAS:
1320 minor = 1 1484 minor = 1
1321 CODE: 1485 CODE:
1322 RETVAL = ix ? major (dev) : minor (dev); 1486 RETVAL = ix ? minor (dev) : major (dev);
1323 OUTPUT: 1487 OUTPUT:
1324 RETVAL 1488 RETVAL
1325 1489
1326UV 1490UV
1327makedev (UV maj, UV min) 1491makedev (UV maj, UV min)
1329 RETVAL = makedev (maj, min); 1493 RETVAL = makedev (maj, min);
1330 OUTPUT: 1494 OUTPUT:
1331 RETVAL 1495 RETVAL
1332 1496
1333void 1497void
1334aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1498aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1335 PPCODE: 1499 PPCODE:
1336{ 1500{
1337 dREQ; 1501 dREQ;
1338 1502
1339 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1503 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1342 1506
1343 REQ_SEND; 1507 REQ_SEND;
1344} 1508}
1345 1509
1346void 1510void
1347aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1511aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1348 PPCODE: 1512 PPCODE:
1349{ 1513{
1350 dREQ; 1514 dREQ;
1351 1515
1352 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1516 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1354 1518
1355 REQ_SEND; 1519 REQ_SEND;
1356} 1520}
1357 1521
1358void 1522void
1359aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1523aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1360 PPCODE: 1524 PPCODE:
1361{ 1525{
1362 dREQ; 1526 dREQ;
1363 1527
1364 req->int2 = mode; 1528 req->int2 = mode;
1366 1530
1367 REQ_SEND; 1531 REQ_SEND;
1368} 1532}
1369 1533
1370void 1534void
1371aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1535aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1372 PPCODE: 1536 PPCODE:
1373{ 1537{
1374 dREQ; 1538 dREQ;
1375 1539
1376 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1540 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1379 1543
1380 REQ_SEND; 1544 REQ_SEND;
1381} 1545}
1382 1546
1383void 1547void
1384aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1548aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1385 PPCODE: 1549 PPCODE:
1386{ 1550{
1387 dREQ; 1551 dREQ;
1388 1552
1389 req->type = EIO_READDIR; 1553 req->type = EIO_READDIR;
1396 1560
1397 REQ_SEND; 1561 REQ_SEND;
1398} 1562}
1399 1563
1400void 1564void
1401aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) 1565aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1402 PPCODE: 1566 PPCODE:
1403{ 1567{
1404 dREQ; 1568 dREQ;
1405 1569
1406 req->type = EIO_MKDIR; 1570 req->type = EIO_MKDIR;
1409 1573
1410 REQ_SEND; 1574 REQ_SEND;
1411} 1575}
1412 1576
1413void 1577void
1414aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1578aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1415 ALIAS: 1579 ALIAS:
1416 aio_unlink = EIO_UNLINK 1580 aio_unlink = EIO_UNLINK
1417 aio_rmdir = EIO_RMDIR 1581 aio_rmdir = EIO_RMDIR
1418 aio_readdir = EIO_READDIR 1582 aio_readdir = EIO_READDIR
1419 PPCODE: 1583 PPCODE:
1425 1589
1426 REQ_SEND; 1590 REQ_SEND;
1427} 1591}
1428 1592
1429void 1593void
1430aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1594aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1431 ALIAS: 1595 ALIAS:
1432 aio_link = EIO_LINK 1596 aio_link = EIO_LINK
1433 aio_symlink = EIO_SYMLINK 1597 aio_symlink = EIO_SYMLINK
1434 aio_rename = EIO_RENAME 1598 aio_rename = EIO_RENAME
1435 PPCODE: 1599 PPCODE:
1444 1608
1445 REQ_SEND; 1609 REQ_SEND;
1446} 1610}
1447 1611
1448void 1612void
1613aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1614 PPCODE:
1615{
1616 eio_wd wd2 = 0;
1617 dREQ;
1618
1619 req->type = EIO_RENAME;
1620 req_set_path1 (req, oldpath);
1621 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1622 req->int2 = flags;
1623 req->int3 = (long)wd2;
1624
1625 REQ_SEND;
1626}
1627
1628void
1449aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1629aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1450 PPCODE: 1630 PPCODE:
1451{ 1631{
1452 dREQ; 1632 dREQ;
1453 1633
1454 req->type = EIO_MKNOD; 1634 req->type = EIO_MKNOD;
1458 1638
1459 REQ_SEND; 1639 REQ_SEND;
1460} 1640}
1461 1641
1462void 1642void
1463aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1643aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1464 ALIAS: 1644 ALIAS:
1465 aio_mtouch = EIO_MTOUCH 1645 aio_mtouch = EIO_MTOUCH
1466 aio_msync = EIO_MSYNC 1646 aio_msync = EIO_MSYNC
1467 PPCODE: 1647 PPCODE:
1468{ 1648{
1469 STRLEN svlen; 1649 STRLEN svlen;
1470 char *svptr = SvPVbyte (data, svlen); 1650 char *svptr = SvPVbyte (data, svlen);
1471 UV len = SvUV (length); 1651 UV len = SvUV (length);
1652
1653 if (flags < 0)
1654 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1472 1655
1473 if (offset < 0) 1656 if (offset < 0)
1474 offset += svlen; 1657 offset += svlen;
1475 1658
1476 if (offset < 0 || offset > svlen) 1659 if (offset < 0 || offset > svlen)
1491 REQ_SEND; 1674 REQ_SEND;
1492 } 1675 }
1493} 1676}
1494 1677
1495void 1678void
1496aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1679aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1497 PPCODE: 1680 PPCODE:
1498{ 1681{
1499 STRLEN svlen; 1682 STRLEN svlen;
1500 char *svptr = SvPVbyte (data, svlen); 1683 char *svptr = SvPVbyte (data, svlen);
1501 UV len = SvUV (length); 1684 UV len = SvUV (length);
1520 REQ_SEND; 1703 REQ_SEND;
1521 } 1704 }
1522} 1705}
1523 1706
1524void 1707void
1525aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1708aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1526 PPCODE: 1709 PPCODE:
1527{ 1710{
1528 dREQ; 1711 dREQ;
1529 1712
1530 req->type = EIO_MLOCKALL; 1713 req->type = EIO_MLOCKALL;
1532 1715
1533 REQ_SEND; 1716 REQ_SEND;
1534} 1717}
1535 1718
1536void 1719void
1537aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef) 1720aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1538 PPCODE: 1721 PPCODE:
1539{ 1722{
1540 int fd = s_fileno_croak (fh, 0); 1723 int fd = s_fileno_croak (fh, 0);
1541 dREQ; 1724 dREQ;
1542 1725
1555 1738
1556 REQ_SEND; 1739 REQ_SEND;
1557} 1740}
1558 1741
1559void 1742void
1560aio_busy (double delay, SV *callback=&PL_sv_undef) 1743aio_busy (double delay, SV *callback = &PL_sv_undef)
1561 PPCODE: 1744 PPCODE:
1562{ 1745{
1563 dREQ; 1746 dREQ;
1564 1747
1565 req->type = EIO_BUSY; 1748 req->type = EIO_BUSY;
1567 1750
1568 REQ_SEND; 1751 REQ_SEND;
1569} 1752}
1570 1753
1571void 1754void
1572aio_group (SV *callback=&PL_sv_undef) 1755aio_group (SV *callback = &PL_sv_undef)
1573 PPCODE: 1756 PPCODE:
1574{ 1757{
1575 dREQ; 1758 dREQ;
1576 1759
1577 req->type = EIO_GROUP; 1760 req->type = EIO_GROUP;
1578 1761
1762 PUTBACK;
1579 req_submit (req); 1763 req_submit (req);
1764 SPAGAIN;
1765
1580 XPUSHs (req_sv (req, aio_grp_stash)); 1766 XPUSHs (req_sv (req, aio_grp_stash));
1581} 1767}
1582 1768
1583void 1769void
1584aio_nop (SV *callback=&PL_sv_undef) 1770aio_nop (SV *callback = &PL_sv_undef)
1585 ALIAS: 1771 ALIAS:
1586 aio_nop = EIO_NOP 1772 aio_nop = EIO_NOP
1587 aio_sync = EIO_SYNC 1773 aio_sync = EIO_SYNC
1588 PPCODE: 1774 PPCODE:
1589{ 1775{
1593 1779
1594 REQ_SEND; 1780 REQ_SEND;
1595} 1781}
1596 1782
1597int 1783int
1598aioreq_pri (int pri = 0) 1784aioreq_pri (int pri = NO_INIT)
1599 CODE: 1785 CODE:
1600 RETVAL = next_pri; 1786 RETVAL = next_pri;
1601 if (items > 0) 1787 if (items > 0)
1602 { 1788 {
1603 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1789 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1693 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1879 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1694 OUTPUT: 1880 OUTPUT:
1695 RETVAL 1881 RETVAL
1696 1882
1697void 1883void
1698mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) 1884mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1699 PPCODE: 1885 PPCODE:
1700 sv_unmagic (scalar, MMAP_MAGIC); 1886 sv_unmagic (scalar, MMAP_MAGIC);
1701{ 1887{
1702 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1888 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1703 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1889 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1730munmap (SV *scalar) 1916munmap (SV *scalar)
1731 CODE: 1917 CODE:
1732 sv_unmagic (scalar, MMAP_MAGIC); 1918 sv_unmagic (scalar, MMAP_MAGIC);
1733 1919
1734int 1920int
1735madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 1921madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1736 ALIAS: 1922 ALIAS:
1737 mprotect = 1 1923 mprotect = 1
1738 CODE: 1924 CODE:
1739{ 1925{
1740 STRLEN svlen; 1926 STRLEN svlen;
1741 void *addr = SvPVbyte (scalar, svlen); 1927 void *addr = SvPVbyte (scalar, svlen);
1742 size_t len = SvUV (length); 1928 STRLEN len = SvUV (length);
1743 1929
1744 if (offset < 0) 1930 if (offset < 0)
1745 offset += svlen; 1931 offset += svlen;
1746 1932
1747 if (offset < 0 || offset > svlen) 1933 if (offset < 0 || offset > svlen)
1761} 1947}
1762 OUTPUT: 1948 OUTPUT:
1763 RETVAL 1949 RETVAL
1764 1950
1765int 1951int
1766munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 1952munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1767 CODE: 1953 CODE:
1768{ 1954{
1769 STRLEN svlen; 1955 STRLEN svlen;
1770 void *addr = SvPVbyte (scalar, svlen); 1956 void *addr = SvPVbyte (scalar, svlen);
1771 size_t len = SvUV (length); 1957 size_t len = SvUV (length);
1772 1958
1773 if (offset < 0) 1959 if (offset < 0)
1774 offset += svlen; 1960 offset += svlen;
1775 1961
1827#else 2013#else
1828 RETVAL = EIO_ENOSYS (); 2014 RETVAL = EIO_ENOSYS ();
1829#endif 2015#endif
1830 OUTPUT: 2016 OUTPUT:
1831 RETVAL 2017 RETVAL
2018
2019int
2020pipesize (aio_rfd rfh, int new_size = -1)
2021 PROTOTYPE: $;$
2022 CODE:
2023#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2024 if (new_size >= 0)
2025 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2026 else
2027 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2028#else
2029 errno = ENOSYS;
2030 RETVAL = -1;
2031#endif
2032 OUTPUT:
2033 RETVAL
2034
2035void
2036pipe2 (int flags = 0)
2037 PROTOTYPE: ;$
2038 PPCODE:
2039{
2040 int fd[2];
2041 int res;
2042
2043 if (flags)
2044#if HAVE_PIPE2
2045 res = pipe2 (fd, flags);
2046#else
2047 res = (errno = ENOSYS, -1);
2048#endif
2049 else
2050 res = pipe (fd);
2051
2052 if (!res)
2053 {
2054 EXTEND (SP, 2);
2055 PUSHs (newmortalFH (fd[0], O_RDONLY));
2056 PUSHs (newmortalFH (fd[1], O_WRONLY));
2057 }
2058}
2059
2060UV
2061get_fdlimit ()
2062 CODE:
2063#if HAVE_RLIMITS
2064 struct rlimit rl;
2065 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2066 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2067#endif
2068 XSRETURN_UNDEF;
2069 OUTPUT:
2070 RETVAL
2071
2072void
2073min_fdlimit (UV limit = 0x7fffffffU)
2074 CODE:
2075{
2076#if HAVE_RLIMITS
2077 struct rlimit rl;
2078 rlim_t orig_rlim_max;
2079 UV bit;
2080
2081 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2082 goto fail;
2083
2084 if (rl.rlim_cur == RLIM_INFINITY)
2085 XSRETURN_YES;
2086
2087 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2088
2089 if (rl.rlim_cur < limit)
2090 {
2091 rl.rlim_cur = limit;
2092
2093 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2094 rl.rlim_max = rl.rlim_cur;
2095 }
2096
2097 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2098 XSRETURN_YES;
2099
2100 if (errno == EPERM)
2101 {
2102 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2103 /* our limit overflows a system-wide limit */
2104 /* try an adaptive algorithm, but do not lower the hardlimit */
2105 rl.rlim_max = 0;
2106 for (bit = 0x40000000U; bit; bit >>= 1)
2107 {
2108 rl.rlim_max |= bit;
2109 rl.rlim_cur = rl.rlim_max;
2110
2111 /* nevr decrease the hard limit */
2112 if (rl.rlim_max < orig_rlim_max)
2113 break;
2114
2115 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2116 rl.rlim_max &= ~bit; /* too high, remove bit again */
2117 }
2118
2119 /* now, raise the soft limit to the max permitted */
2120 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2121 {
2122 rl.rlim_cur = rl.rlim_max;
2123 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2124 errno = EPERM;
2125 }
2126 }
2127#endif
2128 fail:
2129 XSRETURN_UNDEF;
2130}
1832 2131
1833void _on_next_submit (SV *cb) 2132void _on_next_submit (SV *cb)
1834 CODE: 2133 CODE:
1835 SvREFCNT_dec (on_next_submit); 2134 SvREFCNT_dec (on_next_submit);
1836 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2135 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1871cancel (aio_req_ornot req) 2170cancel (aio_req_ornot req)
1872 CODE: 2171 CODE:
1873 eio_cancel (req); 2172 eio_cancel (req);
1874 2173
1875void 2174void
1876cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2175cb (aio_req_ornot req, SV *callback = NO_INIT)
1877 PPCODE: 2176 PPCODE:
1878{ 2177{
1879 if (GIMME_V != G_VOID) 2178 if (GIMME_V != G_VOID)
1880 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2179 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1881 2180
1882 if (items > 1) 2181 if (items > 1)
1883 { 2182 {
1884 SV *cb_cv =get_cb (callback); 2183 SV *cb_cv = get_cb (callback);
1885 2184
1886 SvREFCNT_dec (req->callback); 2185 SvREFCNT_dec (req->callback);
1887 req->callback = SvREFCNT_inc (cb_cv); 2186 req->callback = SvREFCNT_inc (cb_cv);
1888 } 2187 }
1889} 2188}
1946limit (aio_req grp, int limit) 2245limit (aio_req grp, int limit)
1947 CODE: 2246 CODE:
1948 eio_grp_limit (grp, limit); 2247 eio_grp_limit (grp, limit);
1949 2248
1950void 2249void
1951feed (aio_req grp, SV *callback=&PL_sv_undef) 2250feed (aio_req grp, SV *callback = &PL_sv_undef)
1952 CODE: 2251 CODE:
1953{ 2252{
1954 SvREFCNT_dec (grp->sv2); 2253 SvREFCNT_dec (grp->sv2);
1955 grp->sv2 = newSVsv (callback); 2254 grp->sv2 = newSVsv (callback);
1956 grp->feed = aio_grp_feed; 2255 grp->feed = aio_grp_feed;

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