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/cvs/IO-AIO/AIO.xs
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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.213 by root, Tue Apr 10 05:01:33 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 64 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 maybe 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_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST) 258 if (e->fe_flags & FIEMAP_EXTENT_LAST)
200 break; /* autosizing successful, we are done */ 259 goto done;
201 260
202 fiemap->fm_flags = req->int2; 261 }
203 fiemap->fm_extent_count = 0;
204
205 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
206 return;
207
208 count = fiemap->fm_mapped_extents;
209
210 free (fiemap);
211 } 262 }
212 263
264done:
213 req->result = 0; 265 req->result = 0;
214 266
215#else 267#else
216 errno = ENOSYS; 268 errno = ENOSYS;
217#endif 269#endif
264} 316}
265 317
266static SV * 318static SV *
267newSVaio_wd (aio_wd wd) 319newSVaio_wd (aio_wd wd)
268{ 320{
269 return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash); 321 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
270} 322}
271 323
272static aio_req 324static aio_req
273SvAIO_REQ (SV *sv) 325SvAIO_REQ (SV *sv)
274{ 326{
293 || SvTYPE (SvRV (sv)) != SVt_PVMG 345 || SvTYPE (SvRV (sv)) != SVt_PVMG
294 || SvSTASH (SvRV (sv)) != aio_wd_stash) 346 || SvSTASH (SvRV (sv)) != aio_wd_stash)
295 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");
296 348
297 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;
298} 375}
299 376
300static void 377static void
301aio_grp_feed (aio_req grp) 378aio_grp_feed (aio_req grp)
302{ 379{
430 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))));
431 } 508 }
432 break; 509 break;
433 510
434 case EIO_OPEN: 511 case EIO_OPEN:
435 { 512 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
436 /* convert fd to fh */
437 SV *fh = &PL_sv_undef;
438
439 if (req->result >= 0)
440 {
441 GV *gv = (GV *)sv_newmortal ();
442 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
443 char sym [64];
444 int symlen;
445
446 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
447 gv_init (gv, aio_stash, sym, symlen, 0);
448
449 symlen = snprintf (
450 sym,
451 sizeof (sym),
452 "%s&=%d",
453 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
454 (int)req->result
455 );
456
457 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
458 fh = (SV *)gv;
459 }
460
461 PUSHs (fh);
462 }
463 break; 513 break;
464 514
465 case EIO_STATVFS: 515 case EIO_STATVFS:
466 case EIO_FSTATVFS: 516 case EIO_FSTATVFS:
467 { 517 {
470#ifndef _WIN32 520#ifndef _WIN32
471 if (req->result >= 0) 521 if (req->result >= 0)
472 { 522 {
473 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 523 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
474 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));
475 530
476 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 531 rv = sv_2mortal (newRV_noinc ((SV *)hv));
477 532
478 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);
479 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);
481 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);
482 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);
483 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);
484 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);
485 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);
486 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 541 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
487 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);
488 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);
489 } 544 }
490#endif 545#endif
491 546
656{ 711{
657 while (eio_nreqs ()) 712 while (eio_nreqs ())
658 { 713 {
659 int size; 714 int size;
660 715
661 X_LOCK (reslock); 716 X_LOCK (EIO_POOL->reslock);
662 size = res_queue.size; 717 size = EIO_POOL->res_queue.size;
663 X_UNLOCK (reslock); 718 X_UNLOCK (EIO_POOL->reslock);
664 719
665 if (size) 720 if (size)
666 return; 721 return;
667 722
668 etp_maybe_start_thread (); 723 etp_maybe_start_thread (EIO_POOL);
669 724
670 s_epipe_wait (&respipe); 725 s_epipe_wait (&respipe);
671 } 726 }
672} 727}
673 728
704# define munmap(addr,length) EIO_ENOSYS () 759# define munmap(addr,length) EIO_ENOSYS ()
705#endif 760#endif
706 761
707#if !_POSIX_MEMORY_PROTECTION 762#if !_POSIX_MEMORY_PROTECTION
708# define mprotect(addr,len,prot) EIO_ENOSYS () 763# define mprotect(addr,len,prot) EIO_ENOSYS ()
709# define PROT_NONE 0
710# define PROT_WRITE 0
711# define MAP_PRIVATE 0
712# define MAP_SHARED 0
713# define MAP_FIXED 0
714#endif 764#endif
715 765
716#define MMAP_MAGIC PERL_MAGIC_ext 766#define MMAP_MAGIC PERL_MAGIC_ext
717 767
718static int ecb_cold 768static int ecb_cold
858 } *civ, const_iv[] = { 908 } *civ, const_iv[] = {
859# define const_niv(name, value) { # name, (IV) value }, 909# define const_niv(name, value) { # name, (IV) value },
860# define const_iv(name) { # name, (IV) name }, 910# define const_iv(name) { # name, (IV) name },
861# define const_eio(name) { # name, (IV) EIO_ ## name }, 911# define const_eio(name) { # name, (IV) EIO_ ## name },
862 912
863 /* 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 */
864 914 /* the first block can be undef if missing */
865 const_iv (ENOSYS) 915 const_iv (ENOSYS)
866 const_iv (EXDEV) 916 const_iv (EXDEV)
867 const_iv (EBADR) 917 const_iv (EBADR)
868 918
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 */
869 const_iv (O_RDONLY) 937 const_iv (O_RDONLY)
870 const_iv (O_WRONLY) 938 const_iv (O_WRONLY)
871 const_iv (O_RDWR) 939 const_iv (O_RDWR)
872 const_iv (O_CREAT) 940 const_iv (O_CREAT)
873 const_iv (O_TRUNC) 941 const_iv (O_TRUNC)
886 const_iv (O_SEARCH) 954 const_iv (O_SEARCH)
887 const_iv (O_DIRECTORY) 955 const_iv (O_DIRECTORY)
888 const_iv (O_DSYNC) 956 const_iv (O_DSYNC)
889 const_iv (O_RSYNC) 957 const_iv (O_RSYNC)
890 const_iv (O_SYNC) 958 const_iv (O_SYNC)
959 const_iv (O_PATH)
960 const_iv (O_TMPFILE)
891 const_iv (O_TTY_INIT) 961 const_iv (O_TTY_INIT)
892 962
893 const_iv (S_IFIFO) 963 const_iv (S_IFIFO)
894 const_iv (S_IFCHR) 964 const_iv (S_IFCHR)
895 const_iv (S_IFBLK) 965 const_iv (S_IFBLK)
897 const_iv (S_IFREG) 967 const_iv (S_IFREG)
898 const_iv (S_IFDIR) 968 const_iv (S_IFDIR)
899 const_iv (S_IFWHT) 969 const_iv (S_IFWHT)
900 const_iv (S_IFSOCK) 970 const_iv (S_IFSOCK)
901 const_iv (S_IFMT) 971 const_iv (S_IFMT)
902
903 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
904 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
905 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
906 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
907 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
908 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
909
910 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
911 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
912 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
913 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
914 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
915 972
916 const_iv (ST_RDONLY) 973 const_iv (ST_RDONLY)
917 const_iv (ST_NOSUID) 974 const_iv (ST_NOSUID)
918 const_iv (ST_NODEV) 975 const_iv (ST_NODEV)
919 const_iv (ST_NOEXEC) 976 const_iv (ST_NOEXEC)
929 const_iv (PROT_NONE) 986 const_iv (PROT_NONE)
930 const_iv (PROT_EXEC) 987 const_iv (PROT_EXEC)
931 const_iv (PROT_READ) 988 const_iv (PROT_READ)
932 const_iv (PROT_WRITE) 989 const_iv (PROT_WRITE)
933 990
934 /*const_iv (MAP_FIXED)*/
935 const_iv (MAP_PRIVATE) 991 const_iv (MAP_PRIVATE)
936 const_iv (MAP_SHARED) 992 const_iv (MAP_SHARED)
993 const_iv (MAP_FIXED)
937 const_iv (MAP_ANONYMOUS) 994 const_iv (MAP_ANONYMOUS)
938 995
939 /* linuxish */ 996 /* linuxish */
940 const_iv (MAP_HUGETLB)
941 const_iv (MAP_LOCKED) 997 const_iv (MAP_LOCKED)
942 const_iv (MAP_NORESERVE) 998 const_iv (MAP_NORESERVE)
943 const_iv (MAP_POPULATE) 999 const_iv (MAP_POPULATE)
944 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)
945 1068
946 const_iv (FIEMAP_FLAG_SYNC) 1069 const_iv (FIEMAP_FLAG_SYNC)
947 const_iv (FIEMAP_FLAG_XATTR) 1070 const_iv (FIEMAP_FLAG_XATTR)
948 const_iv (FIEMAP_FLAGS_COMPAT) 1071 const_iv (FIEMAP_FLAGS_COMPAT)
949 const_iv (FIEMAP_EXTENT_LAST) 1072 const_iv (FIEMAP_EXTENT_LAST)
961 const_iv (SPLICE_F_MOVE) 1084 const_iv (SPLICE_F_MOVE)
962 const_iv (SPLICE_F_NONBLOCK) 1085 const_iv (SPLICE_F_NONBLOCK)
963 const_iv (SPLICE_F_MORE) 1086 const_iv (SPLICE_F_MORE)
964 const_iv (SPLICE_F_GIFT) 1087 const_iv (SPLICE_F_GIFT)
965 1088
966 const_iv (SEEK_DATA) 1089 /* these are libeio constants, and are independent of gendef0 */
967 const_iv (SEEK_HOLE)
968
969 /* libeio constants */
970 const_eio (SEEK_SET) 1090 const_eio (SEEK_SET)
971 const_eio (SEEK_CUR) 1091 const_eio (SEEK_CUR)
972 const_eio (SEEK_END) 1092 const_eio (SEEK_END)
973 1093
974 const_eio (MCL_FUTURE) 1094 const_eio (MCL_FUTURE)
983 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1103 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
984 const_eio (SYNC_FILE_RANGE_WRITE) 1104 const_eio (SYNC_FILE_RANGE_WRITE)
985 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1105 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
986 1106
987 const_eio (FALLOC_FL_KEEP_SIZE) 1107 const_eio (FALLOC_FL_KEEP_SIZE)
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)
988 1117
989 const_eio (READDIR_DENTS) 1118 const_eio (READDIR_DENTS)
990 const_eio (READDIR_DIRS_FIRST) 1119 const_eio (READDIR_DIRS_FIRST)
991 const_eio (READDIR_STAT_ORDER) 1120 const_eio (READDIR_STAT_ORDER)
992 const_eio (READDIR_FOUND_UNKNOWN) 1121 const_eio (READDIR_FOUND_UNKNOWN)
1060 PROTOTYPE: $ 1189 PROTOTYPE: $
1061 CODE: 1190 CODE:
1062 max_outstanding = maxreqs; 1191 max_outstanding = maxreqs;
1063 1192
1064void 1193void
1065aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) 1194aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1066 PPCODE: 1195 PPCODE:
1067{ 1196{
1068 dREQ; 1197 dREQ;
1069 1198
1070 req->type = EIO_WD_OPEN; 1199 req->type = EIO_WD_OPEN;
1072 1201
1073 REQ_SEND; 1202 REQ_SEND;
1074} 1203}
1075 1204
1076void 1205void
1077aio_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)
1078 PPCODE: 1207 PPCODE:
1079{ 1208{
1080 dREQ; 1209 dREQ;
1081 1210
1082 req->type = EIO_OPEN; 1211 req->type = EIO_OPEN;
1086 1215
1087 REQ_SEND; 1216 REQ_SEND;
1088} 1217}
1089 1218
1090void 1219void
1091aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1220aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1092 ALIAS: 1221 ALIAS:
1093 aio_fsync = EIO_FSYNC 1222 aio_fsync = EIO_FSYNC
1094 aio_fdatasync = EIO_FDATASYNC 1223 aio_fdatasync = EIO_FDATASYNC
1095 aio_syncfs = EIO_SYNCFS 1224 aio_syncfs = EIO_SYNCFS
1096 PPCODE: 1225 PPCODE:
1097{ 1226{
1098 int fd = s_fileno_croak (fh, 0); 1227 int fd = s_fileno_croak (fh, 0);
1099 dREQ; 1228 dREQ;
1100 1229
1101 req->type = ix; 1230 req->type = ix;
1102 req->sv1 = newSVsv (fh); 1231 req->sv1 = newSVsv (fh);
1103 req->int1 = fd; 1232 req->int1 = fd;
1104 1233
1105 REQ_SEND; 1234 REQ_SEND;
1106} 1235}
1107 1236
1108void 1237void
1109aio_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)
1110 PPCODE: 1239 PPCODE:
1111{ 1240{
1112 int fd = s_fileno_croak (fh, 0); 1241 int fd = s_fileno_croak (fh, 0);
1113 dREQ; 1242 dREQ;
1114 1243
1115 req->type = EIO_SYNC_FILE_RANGE; 1244 req->type = EIO_SYNC_FILE_RANGE;
1116 req->sv1 = newSVsv (fh); 1245 req->sv1 = newSVsv (fh);
1117 req->int1 = fd; 1246 req->int1 = fd;
1121 1250
1122 REQ_SEND; 1251 REQ_SEND;
1123} 1252}
1124 1253
1125void 1254void
1126aio_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)
1127 PPCODE: 1256 PPCODE:
1128{ 1257{
1129 int fd = s_fileno_croak (fh, 0); 1258 int fd = s_fileno_croak (fh, 0);
1130 dREQ; 1259 dREQ;
1131 1260
1132 req->type = EIO_FALLOCATE; 1261 req->type = EIO_FALLOCATE;
1133 req->sv1 = newSVsv (fh); 1262 req->sv1 = newSVsv (fh);
1134 req->int1 = fd; 1263 req->int1 = fd;
1138 1267
1139 REQ_SEND; 1268 REQ_SEND;
1140} 1269}
1141 1270
1142void 1271void
1143aio_close (SV *fh, SV *callback=&PL_sv_undef) 1272aio_close (SV *fh, SV *callback = &PL_sv_undef)
1144 PPCODE: 1273 PPCODE:
1145{ 1274{
1146 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 */
1147 int fd = s_fileno_croak (fh, 0); 1276 int fd = s_fileno_croak (fh, 0);
1148 dREQ; 1277 dREQ;
1149 1278
1150 if (expect_false (close_fd < 0)) 1279 if (expect_false (close_fd < 0))
1151 { 1280 {
1152 int pipefd [2]; 1281 int pipefd [2];
1172 1301
1173 REQ_SEND; 1302 REQ_SEND;
1174} 1303}
1175 1304
1176void 1305void
1177aio_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)
1178 PPCODE: 1307 PPCODE:
1179{ 1308{
1180 int fd = s_fileno_croak (fh, 0); 1309 int fd = s_fileno_croak (fh, 0);
1181 dREQ; 1310 dREQ;
1182 1311
1188 1317
1189 REQ_SEND; 1318 REQ_SEND;
1190} 1319}
1191 1320
1192void 1321void
1193aio_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)
1194 ALIAS: 1323 ALIAS:
1195 aio_read = EIO_READ 1324 aio_read = EIO_READ
1196 aio_write = EIO_WRITE 1325 aio_write = EIO_WRITE
1197 PPCODE: 1326 PPCODE:
1198{ 1327{
1214 len = svlen - dataoffset; 1343 len = svlen - dataoffset;
1215 } 1344 }
1216 else 1345 else
1217 { 1346 {
1218 /* read: check type and grow scalar as necessary */ 1347 /* read: check type and grow scalar as necessary */
1219 SvUPGRADE (data, SVt_PV); 1348 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1220 svptr = SvGROW (data, len + dataoffset + 1); 1349 svptr = sv_grow (data, len + dataoffset + 1);
1350 else if (SvCUR (data) < len + dataoffset)
1351 croak ("length + dataoffset outside of scalar, and cannot grow");
1221 } 1352 }
1222 1353
1223 { 1354 {
1224 dREQ; 1355 dREQ;
1225 1356
1241 REQ_SEND; 1372 REQ_SEND;
1242 } 1373 }
1243} 1374}
1244 1375
1245void 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
1246aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1417aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1247 ALIAS: 1418 ALIAS:
1248 aio_readlink = EIO_READLINK 1419 aio_readlink = EIO_READLINK
1249 aio_realpath = EIO_REALPATH 1420 aio_realpath = EIO_REALPATH
1250 PPCODE: 1421 PPCODE:
1251{ 1422{
1256 1427
1257 REQ_SEND; 1428 REQ_SEND;
1258} 1429}
1259 1430
1260void 1431void
1261aio_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)
1262 PPCODE: 1433 PPCODE:
1263{ 1434{
1264 int ifd = s_fileno_croak (in_fh , 0); 1435 int ifd = s_fileno_croak (in_fh , 0);
1265 int ofd = s_fileno_croak (out_fh, 1); 1436 int ofd = s_fileno_croak (out_fh, 1);
1266 dREQ; 1437 dREQ;
1267 1438
1268 req->type = EIO_SENDFILE; 1439 req->type = EIO_SENDFILE;
1269 req->sv1 = newSVsv (out_fh); 1440 req->sv1 = newSVsv (out_fh);
1270 req->int1 = ofd; 1441 req->int1 = ofd;
1275 1446
1276 REQ_SEND; 1447 REQ_SEND;
1277} 1448}
1278 1449
1279void 1450void
1280aio_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)
1281 PPCODE: 1452 PPCODE:
1282{ 1453{
1283 int fd = s_fileno_croak (fh, 0); 1454 int fd = s_fileno_croak (fh, 0);
1284 dREQ; 1455 dREQ;
1285 1456
1286 req->type = EIO_READAHEAD; 1457 req->type = EIO_READAHEAD;
1287 req->sv1 = newSVsv (fh); 1458 req->sv1 = newSVsv (fh);
1288 req->int1 = fd; 1459 req->int1 = fd;
1291 1462
1292 REQ_SEND; 1463 REQ_SEND;
1293} 1464}
1294 1465
1295void 1466void
1296aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1467aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1297 ALIAS: 1468 ALIAS:
1298 aio_stat = EIO_STAT 1469 aio_stat = EIO_STAT
1299 aio_lstat = EIO_LSTAT 1470 aio_lstat = EIO_LSTAT
1300 aio_statvfs = EIO_STATVFS 1471 aio_statvfs = EIO_STATVFS
1301 PPCODE: 1472 PPCODE:
1310UV 1481UV
1311major (UV dev) 1482major (UV dev)
1312 ALIAS: 1483 ALIAS:
1313 minor = 1 1484 minor = 1
1314 CODE: 1485 CODE:
1315 RETVAL = ix ? major (dev) : minor (dev); 1486 RETVAL = ix ? minor (dev) : major (dev);
1316 OUTPUT: 1487 OUTPUT:
1317 RETVAL 1488 RETVAL
1318 1489
1319UV 1490UV
1320makedev (UV maj, UV min) 1491makedev (UV maj, UV min)
1322 RETVAL = makedev (maj, min); 1493 RETVAL = makedev (maj, min);
1323 OUTPUT: 1494 OUTPUT:
1324 RETVAL 1495 RETVAL
1325 1496
1326void 1497void
1327aio_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)
1328 PPCODE: 1499 PPCODE:
1329{ 1500{
1330 dREQ; 1501 dREQ;
1331 1502
1332 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1503 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1335 1506
1336 REQ_SEND; 1507 REQ_SEND;
1337} 1508}
1338 1509
1339void 1510void
1340aio_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)
1341 PPCODE: 1512 PPCODE:
1342{ 1513{
1343 dREQ; 1514 dREQ;
1344 1515
1345 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1516 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1347 1518
1348 REQ_SEND; 1519 REQ_SEND;
1349} 1520}
1350 1521
1351void 1522void
1352aio_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)
1353 PPCODE: 1524 PPCODE:
1354{ 1525{
1355 dREQ; 1526 dREQ;
1356 1527
1357 req->int2 = mode; 1528 req->int2 = mode;
1359 1530
1360 REQ_SEND; 1531 REQ_SEND;
1361} 1532}
1362 1533
1363void 1534void
1364aio_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)
1365 PPCODE: 1536 PPCODE:
1366{ 1537{
1367 dREQ; 1538 dREQ;
1368 1539
1369 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1540 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1372 1543
1373 REQ_SEND; 1544 REQ_SEND;
1374} 1545}
1375 1546
1376void 1547void
1377aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1548aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1378 PPCODE: 1549 PPCODE:
1379{ 1550{
1380 dREQ; 1551 dREQ;
1381 1552
1382 req->type = EIO_READDIR; 1553 req->type = EIO_READDIR;
1389 1560
1390 REQ_SEND; 1561 REQ_SEND;
1391} 1562}
1392 1563
1393void 1564void
1394aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) 1565aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1395 PPCODE: 1566 PPCODE:
1396{ 1567{
1397 dREQ; 1568 dREQ;
1398 1569
1399 req->type = EIO_MKDIR; 1570 req->type = EIO_MKDIR;
1402 1573
1403 REQ_SEND; 1574 REQ_SEND;
1404} 1575}
1405 1576
1406void 1577void
1407aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1578aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1408 ALIAS: 1579 ALIAS:
1409 aio_unlink = EIO_UNLINK 1580 aio_unlink = EIO_UNLINK
1410 aio_rmdir = EIO_RMDIR 1581 aio_rmdir = EIO_RMDIR
1411 aio_readdir = EIO_READDIR 1582 aio_readdir = EIO_READDIR
1412 PPCODE: 1583 PPCODE:
1418 1589
1419 REQ_SEND; 1590 REQ_SEND;
1420} 1591}
1421 1592
1422void 1593void
1423aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1594aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1424 ALIAS: 1595 ALIAS:
1425 aio_link = EIO_LINK 1596 aio_link = EIO_LINK
1426 aio_symlink = EIO_SYMLINK 1597 aio_symlink = EIO_SYMLINK
1427 aio_rename = EIO_RENAME 1598 aio_rename = EIO_RENAME
1428 PPCODE: 1599 PPCODE:
1437 1608
1438 REQ_SEND; 1609 REQ_SEND;
1439} 1610}
1440 1611
1441void 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
1442aio_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)
1443 PPCODE: 1630 PPCODE:
1444{ 1631{
1445 dREQ; 1632 dREQ;
1446 1633
1447 req->type = EIO_MKNOD; 1634 req->type = EIO_MKNOD;
1451 1638
1452 REQ_SEND; 1639 REQ_SEND;
1453} 1640}
1454 1641
1455void 1642void
1456aio_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)
1457 ALIAS: 1644 ALIAS:
1458 aio_mtouch = EIO_MTOUCH 1645 aio_mtouch = EIO_MTOUCH
1459 aio_msync = EIO_MSYNC 1646 aio_msync = EIO_MSYNC
1460 PPCODE: 1647 PPCODE:
1461{ 1648{
1462 STRLEN svlen; 1649 STRLEN svlen;
1463 char *svptr = SvPVbyte (data, svlen); 1650 char *svptr = SvPVbyte (data, svlen);
1464 UV len = SvUV (length); 1651 UV len = SvUV (length);
1652
1653 if (flags < 0)
1654 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1465 1655
1466 if (offset < 0) 1656 if (offset < 0)
1467 offset += svlen; 1657 offset += svlen;
1468 1658
1469 if (offset < 0 || offset > svlen) 1659 if (offset < 0 || offset > svlen)
1484 REQ_SEND; 1674 REQ_SEND;
1485 } 1675 }
1486} 1676}
1487 1677
1488void 1678void
1489aio_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)
1490 PPCODE: 1680 PPCODE:
1491{ 1681{
1492 STRLEN svlen; 1682 STRLEN svlen;
1493 char *svptr = SvPVbyte (data, svlen); 1683 char *svptr = SvPVbyte (data, svlen);
1494 UV len = SvUV (length); 1684 UV len = SvUV (length);
1513 REQ_SEND; 1703 REQ_SEND;
1514 } 1704 }
1515} 1705}
1516 1706
1517void 1707void
1518aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1708aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1519 PPCODE: 1709 PPCODE:
1520{ 1710{
1521 dREQ; 1711 dREQ;
1522 1712
1523 req->type = EIO_MLOCKALL; 1713 req->type = EIO_MLOCKALL;
1525 1715
1526 REQ_SEND; 1716 REQ_SEND;
1527} 1717}
1528 1718
1529void 1719void
1530aio_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)
1531 PPCODE: 1721 PPCODE:
1532{ 1722{
1533 int fd = s_fileno_croak (fh, 0); 1723 int fd = s_fileno_croak (fh, 0);
1534 dREQ; 1724 dREQ;
1535 1725
1536 req->type = EIO_CUSTOM; 1726 req->type = EIO_CUSTOM;
1537 req->sv1 = newSVsv (fh); 1727 req->sv1 = newSVsv (fh);
1538 req->int1 = fd; 1728 req->int1 = fd;
1548 1738
1549 REQ_SEND; 1739 REQ_SEND;
1550} 1740}
1551 1741
1552void 1742void
1553aio_busy (double delay, SV *callback=&PL_sv_undef) 1743aio_busy (double delay, SV *callback = &PL_sv_undef)
1554 PPCODE: 1744 PPCODE:
1555{ 1745{
1556 dREQ; 1746 dREQ;
1557 1747
1558 req->type = EIO_BUSY; 1748 req->type = EIO_BUSY;
1560 1750
1561 REQ_SEND; 1751 REQ_SEND;
1562} 1752}
1563 1753
1564void 1754void
1565aio_group (SV *callback=&PL_sv_undef) 1755aio_group (SV *callback = &PL_sv_undef)
1566 PPCODE: 1756 PPCODE:
1567{ 1757{
1568 dREQ; 1758 dREQ;
1569 1759
1570 req->type = EIO_GROUP; 1760 req->type = EIO_GROUP;
1571 1761
1762 PUTBACK;
1572 req_submit (req); 1763 req_submit (req);
1764 SPAGAIN;
1765
1573 XPUSHs (req_sv (req, aio_grp_stash)); 1766 XPUSHs (req_sv (req, aio_grp_stash));
1574} 1767}
1575 1768
1576void 1769void
1577aio_nop (SV *callback=&PL_sv_undef) 1770aio_nop (SV *callback = &PL_sv_undef)
1578 ALIAS: 1771 ALIAS:
1579 aio_nop = EIO_NOP 1772 aio_nop = EIO_NOP
1580 aio_sync = EIO_SYNC 1773 aio_sync = EIO_SYNC
1581 PPCODE: 1774 PPCODE:
1582{ 1775{
1586 1779
1587 REQ_SEND; 1780 REQ_SEND;
1588} 1781}
1589 1782
1590int 1783int
1591aioreq_pri (int pri = 0) 1784aioreq_pri (int pri = NO_INIT)
1592 CODE: 1785 CODE:
1593 RETVAL = next_pri; 1786 RETVAL = next_pri;
1594 if (items > 0) 1787 if (items > 0)
1595 { 1788 {
1596 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1789 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1686 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1879 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1687 OUTPUT: 1880 OUTPUT:
1688 RETVAL 1881 RETVAL
1689 1882
1690void 1883void
1691mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1884mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1692 PPCODE: 1885 PPCODE:
1693 sv_unmagic (scalar, MMAP_MAGIC); 1886 sv_unmagic (scalar, MMAP_MAGIC);
1694{ 1887{
1695 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;
1696 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1889 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1723munmap (SV *scalar) 1916munmap (SV *scalar)
1724 CODE: 1917 CODE:
1725 sv_unmagic (scalar, MMAP_MAGIC); 1918 sv_unmagic (scalar, MMAP_MAGIC);
1726 1919
1727int 1920int
1728madvise (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)
1729 ALIAS: 1922 ALIAS:
1730 mprotect = 1 1923 mprotect = 1
1731 CODE: 1924 CODE:
1732{ 1925{
1733 STRLEN svlen; 1926 STRLEN svlen;
1734 void *addr = SvPVbyte (scalar, svlen); 1927 void *addr = SvPVbyte (scalar, svlen);
1735 size_t len = SvUV (length); 1928 STRLEN len = SvUV (length);
1736 1929
1737 if (offset < 0) 1930 if (offset < 0)
1738 offset += svlen; 1931 offset += svlen;
1739 1932
1740 if (offset < 0 || offset > svlen) 1933 if (offset < 0 || offset > svlen)
1754} 1947}
1755 OUTPUT: 1948 OUTPUT:
1756 RETVAL 1949 RETVAL
1757 1950
1758int 1951int
1759munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 1952munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1760 CODE: 1953 CODE:
1761{ 1954{
1762 STRLEN svlen; 1955 STRLEN svlen;
1763 void *addr = SvPVbyte (scalar, svlen); 1956 void *addr = SvPVbyte (scalar, svlen);
1764 size_t len = SvUV (length); 1957 size_t len = SvUV (length);
1765 1958
1766 if (offset < 0) 1959 if (offset < 0)
1767 offset += svlen; 1960 offset += svlen;
1768 1961
1820#else 2013#else
1821 RETVAL = EIO_ENOSYS (); 2014 RETVAL = EIO_ENOSYS ();
1822#endif 2015#endif
1823 OUTPUT: 2016 OUTPUT:
1824 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}
1825 2131
1826void _on_next_submit (SV *cb) 2132void _on_next_submit (SV *cb)
1827 CODE: 2133 CODE:
1828 SvREFCNT_dec (on_next_submit); 2134 SvREFCNT_dec (on_next_submit);
1829 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2135 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1864cancel (aio_req_ornot req) 2170cancel (aio_req_ornot req)
1865 CODE: 2171 CODE:
1866 eio_cancel (req); 2172 eio_cancel (req);
1867 2173
1868void 2174void
1869cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2175cb (aio_req_ornot req, SV *callback = NO_INIT)
1870 PPCODE: 2176 PPCODE:
1871{ 2177{
1872 if (GIMME_V != G_VOID) 2178 if (GIMME_V != G_VOID)
1873 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);
1874 2180
1875 if (items > 1) 2181 if (items > 1)
1876 { 2182 {
1877 SV *cb_cv =get_cb (callback); 2183 SV *cb_cv = get_cb (callback);
1878 2184
1879 SvREFCNT_dec (req->callback); 2185 SvREFCNT_dec (req->callback);
1880 req->callback = SvREFCNT_inc (cb_cv); 2186 req->callback = SvREFCNT_inc (cb_cv);
1881 } 2187 }
1882} 2188}
1939limit (aio_req grp, int limit) 2245limit (aio_req grp, int limit)
1940 CODE: 2246 CODE:
1941 eio_grp_limit (grp, limit); 2247 eio_grp_limit (grp, limit);
1942 2248
1943void 2249void
1944feed (aio_req grp, SV *callback=&PL_sv_undef) 2250feed (aio_req grp, SV *callback = &PL_sv_undef)
1945 CODE: 2251 CODE:
1946{ 2252{
1947 SvREFCNT_dec (grp->sv2); 2253 SvREFCNT_dec (grp->sv2);
1948 grp->sv2 = newSVsv (callback); 2254 grp->sv2 = newSVsv (callback);
1949 grp->feed = aio_grp_feed; 2255 grp->feed = aio_grp_feed;

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