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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.211 by root, Sat Apr 7 00:50:33 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
32# include <linux/types.h>
27# include <linux/fiemap.h> 33# include <linux/fiemap.h>
28# define HAVE_FIEMAP 1 34# define HAVE_FIEMAP 1
29# endif 35# endif
30#endif 36#endif
31 37
… …
98#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
99#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
100 106
101/*****************************************************************************/ 107/*****************************************************************************/
102 108
109#include "libeio/config.h"
110
111#if HAVE_RLIMITS
112 #include <sys/time.h>
113 #include <sys/resource.h>
114#endif
115
103typedef SV SV8; /* byte-sv, used for argument-checking */ 116typedef SV SV8; /* byte-sv, used for argument-checking */
104typedef int aio_rfd; /* read file desriptor */ 117typedef int aio_rfd; /* read file desriptor */
105typedef int aio_wfd; /* write file descriptor */ 118typedef int aio_wfd; /* write file descriptor */
106 119
107static 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;
… …
113 STRLEN stroffset; \ 126 STRLEN stroffset; \
114 SV *self; 127 SV *self;
115 128
116#define EIO_NO_WRAPPERS 1 129#define EIO_NO_WRAPPERS 1
117 130
118#include "libeio/config.h"
119#include "libeio/eio.h" 131#include "libeio/eio.h"
120 132
121static int req_invoke (eio_req *req); 133static int req_invoke (eio_req *req);
122#define EIO_FINISH(req) req_invoke (req) 134#define EIO_FINISH(req) req_invoke (req)
123static void req_destroy (eio_req *grp); 135static void req_destroy (eio_req *grp);
… …
140# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 152# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
141# endif 153# endif
142#endif 154#endif
143 155
144/* 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 */
145#include "def0.h" 158#include "def0.h"
146 159
147#ifndef makedev 160#ifndef makedev
148# define makedev(maj,min) (((maj) << 8) | (min)) 161# define makedev(maj,min) (((maj) << 8) | (min))
149#endif 162#endif
… …
152#endif 165#endif
153#ifndef minor 166#ifndef minor
154# define minor(dev) ((dev) & 0xff) 167# define minor(dev) ((dev) & 0xff)
155#endif 168#endif
156 169
157#ifndef PAGESIZE 170#if PAGESIZE <= 0
158# define PAGESIZE sysconf (_SC_PAGESIZE) 171# define PAGESIZE sysconf (_SC_PAGESIZE)
159#endif 172#endif
160 173
161/*****************************************************************************/ 174/*****************************************************************************/
162 175
… …
164fiemap (eio_req *req) 177fiemap (eio_req *req)
165{ 178{
166 req->result = -1; 179 req->result = -1;
167 180
168#if HAVE_FIEMAP 181#if HAVE_FIEMAP
182 /* assume some c99 */
183 struct fiemap *fiemap = 0;
184 size_t end_offset;
169 int count = req->int3; 185 int count = req->int3;
170 186
171 /* heuristic: first try with 64 extents if we don't know how many, */ 187 req->flags |= EIO_FLAG_PTR1_FREE;
172 /* as most files have (hopefully) fewer than this many extents */ 188
173 /* 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 */
174 if (count < 0) 191 if (count < 0)
175 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);
176 222
177 for (;;) 223 for (;;)
178 { 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;
179 struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 242 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
180 errno = ENOMEM; 243 errno = ENOMEM;
181 if (!fiemap) 244 if (!fiemap)
182 return; 245 return;
183 246
184 req->ptr1 = fiemap; 247 req->ptr1 = fiemap;
185 req->flags |= EIO_FLAG_PTR1_FREE;
186 248
187 fiemap->fm_start = req->offs; 249 for (count = 0; count < incmap->fm_mapped_extents; ++count)
188 fiemap->fm_length = req->size; 250 {
189 fiemap->fm_flags = req->int2; 251 struct fiemap_extent *e = incmap->fm_extents + count;
190 fiemap->fm_extent_count = count;
191 252
192 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap)) 253 if (e->fe_logical + e->fe_length >= end_offset)
193 return; 254 goto done;
194 255
195 if (req->int3 >= 0) 256 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
196 break; /* when not autosizing we are done */
197 257
198 if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST) 258 if (e->fe_flags & FIEMAP_EXTENT_LAST)
199 break; /* autosizing successful, we are done */ 259 goto done;
200 260
201 fiemap->fm_flags = req->int2; 261 }
202 fiemap->fm_extent_count = 0;
203
204 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
205 return;
206
207 count = fiemap->fm_mapped_extents;
208
209 free (fiemap);
210 } 262 }
211 263
264done:
212 req->result = 0; 265 req->result = 0;
213 266
214#else 267#else
215 errno = ENOSYS; 268 errno = ENOSYS;
216#endif 269#endif
… …
263} 316}
264 317
265static SV * 318static SV *
266newSVaio_wd (aio_wd wd) 319newSVaio_wd (aio_wd wd)
267{ 320{
268 return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash); 321 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
269} 322}
270 323
271static aio_req 324static aio_req
272SvAIO_REQ (SV *sv) 325SvAIO_REQ (SV *sv)
273{ 326{
… …
292 || SvTYPE (SvRV (sv)) != SVt_PVMG 345 || SvTYPE (SvRV (sv)) != SVt_PVMG
293 || SvSTASH (SvRV (sv)) != aio_wd_stash) 346 || SvSTASH (SvRV (sv)) != aio_wd_stash)
294 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");
295 348
296 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;
297} 375}
298 376
299static void 377static void
300aio_grp_feed (aio_req grp) 378aio_grp_feed (aio_req grp)
301{ 379{
… …
429 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))));
430 } 508 }
431 break; 509 break;
432 510
433 case EIO_OPEN: 511 case EIO_OPEN:
434 { 512 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
435 /* convert fd to fh */
436 SV *fh = &PL_sv_undef;
437
438 if (req->result >= 0)
439 {
440 GV *gv = (GV *)sv_newmortal ();
441 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
442 char sym [64];
443 int symlen;
444
445 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
446 gv_init (gv, aio_stash, sym, symlen, 0);
447
448 symlen = snprintf (
449 sym,
450 sizeof (sym),
451 "%s&=%d",
452 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
453 (int)req->result
454 );
455
456 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
457 fh = (SV *)gv;
458 }
459
460 PUSHs (fh);
461 }
462 break; 513 break;
463 514
464 case EIO_STATVFS: 515 case EIO_STATVFS:
465 case EIO_FSTATVFS: 516 case EIO_FSTATVFS:
466 { 517 {
… …
469#ifndef _WIN32 520#ifndef _WIN32
470 if (req->result >= 0) 521 if (req->result >= 0)
471 { 522 {
472 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 523 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
473 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));
474 530
475 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 531 rv = sv_2mortal (newRV_noinc ((SV *)hv));
476 532
477 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);
478 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);
… …
480 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);
481 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);
482 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);
483 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);
484 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);
485 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 541 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
486 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);
487 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);
488 } 544 }
489#endif 545#endif
490 546
… …
655{ 711{
656 while (eio_nreqs ()) 712 while (eio_nreqs ())
657 { 713 {
658 int size; 714 int size;
659 715
660 X_LOCK (reslock); 716 X_LOCK (EIO_POOL->reslock);
661 size = res_queue.size; 717 size = EIO_POOL->res_queue.size;
662 X_UNLOCK (reslock); 718 X_UNLOCK (EIO_POOL->reslock);
663 719
664 if (size) 720 if (size)
665 return; 721 return;
666 722
667 etp_maybe_start_thread (); 723 etp_maybe_start_thread (EIO_POOL);
668 724
669 s_epipe_wait (&respipe); 725 s_epipe_wait (&respipe);
670 } 726 }
671} 727}
672 728
… …
697} 753}
698 754
699/*****************************************************************************/ 755/*****************************************************************************/
700 756
701#if !_POSIX_MAPPED_FILES 757#if !_POSIX_MAPPED_FILES
702# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 758# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
703# define munmap(addr,length) (errno = ENOSYS, -1) 759# define munmap(addr,length) EIO_ENOSYS ()
704#endif 760#endif
705 761
706#if !_POSIX_MEMORY_PROTECTION 762#if !_POSIX_MEMORY_PROTECTION
707# define mprotect(addr,len,prot) (errno = ENOSYS, -1) 763# define mprotect(addr,len,prot) EIO_ENOSYS ()
708# define PROT_NONE 0
709# define PROT_WRITE 0
710# define MAP_PRIVATE 0
711# define MAP_SHARED 0
712# define MAP_FIXED 0
713#endif 764#endif
714 765
715#define MMAP_MAGIC PERL_MAGIC_ext 766#define MMAP_MAGIC PERL_MAGIC_ext
716 767
717static int ecb_cold 768static int ecb_cold
… …
857 } *civ, const_iv[] = { 908 } *civ, const_iv[] = {
858# define const_niv(name, value) { # name, (IV) value }, 909# define const_niv(name, value) { # name, (IV) value },
859# define const_iv(name) { # name, (IV) name }, 910# define const_iv(name) { # name, (IV) name },
860# define const_eio(name) { # name, (IV) EIO_ ## name }, 911# define const_eio(name) { # name, (IV) EIO_ ## name },
861 912
862 /* 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 */
863 914 /* the first block can be undef if missing */
864 const_iv (ENOSYS) 915 const_iv (ENOSYS)
865 const_iv (EXDEV) 916 const_iv (EXDEV)
866 const_iv (EBADR) 917 const_iv (EBADR)
867 918
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 */
868 const_iv (O_RDONLY) 937 const_iv (O_RDONLY)
869 const_iv (O_WRONLY) 938 const_iv (O_WRONLY)
870 const_iv (O_RDWR) 939 const_iv (O_RDWR)
871 const_iv (O_CREAT) 940 const_iv (O_CREAT)
872 const_iv (O_TRUNC) 941 const_iv (O_TRUNC)
… …
885 const_iv (O_SEARCH) 954 const_iv (O_SEARCH)
886 const_iv (O_DIRECTORY) 955 const_iv (O_DIRECTORY)
887 const_iv (O_DSYNC) 956 const_iv (O_DSYNC)
888 const_iv (O_RSYNC) 957 const_iv (O_RSYNC)
889 const_iv (O_SYNC) 958 const_iv (O_SYNC)
959 const_iv (O_PATH)
960 const_iv (O_TMPFILE)
890 const_iv (O_TTY_INIT) 961 const_iv (O_TTY_INIT)
891 962
892 const_iv (S_IFIFO) 963 const_iv (S_IFIFO)
893 const_iv (S_IFCHR) 964 const_iv (S_IFCHR)
894 const_iv (S_IFBLK) 965 const_iv (S_IFBLK)
… …
896 const_iv (S_IFREG) 967 const_iv (S_IFREG)
897 const_iv (S_IFDIR) 968 const_iv (S_IFDIR)
898 const_iv (S_IFWHT) 969 const_iv (S_IFWHT)
899 const_iv (S_IFSOCK) 970 const_iv (S_IFSOCK)
900 const_iv (S_IFMT) 971 const_iv (S_IFMT)
901
902 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
903 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
904 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
905 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
906 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
907 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
908
909 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
910 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
911 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
912 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
913 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
914 972
915 const_iv (ST_RDONLY) 973 const_iv (ST_RDONLY)
916 const_iv (ST_NOSUID) 974 const_iv (ST_NOSUID)
917 const_iv (ST_NODEV) 975 const_iv (ST_NODEV)
918 const_iv (ST_NOEXEC) 976 const_iv (ST_NOEXEC)
… …
928 const_iv (PROT_NONE) 986 const_iv (PROT_NONE)
929 const_iv (PROT_EXEC) 987 const_iv (PROT_EXEC)
930 const_iv (PROT_READ) 988 const_iv (PROT_READ)
931 const_iv (PROT_WRITE) 989 const_iv (PROT_WRITE)
932 990
933 /*const_iv (MAP_FIXED)*/
934 const_iv (MAP_PRIVATE) 991 const_iv (MAP_PRIVATE)
935 const_iv (MAP_SHARED) 992 const_iv (MAP_SHARED)
993 const_iv (MAP_FIXED)
936 const_iv (MAP_ANONYMOUS) 994 const_iv (MAP_ANONYMOUS)
937 995
938 /* linuxish */ 996 /* linuxish */
939 const_iv (MAP_HUGETLB)
940 const_iv (MAP_LOCKED) 997 const_iv (MAP_LOCKED)
941 const_iv (MAP_NORESERVE) 998 const_iv (MAP_NORESERVE)
942 const_iv (MAP_POPULATE) 999 const_iv (MAP_POPULATE)
943 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)
944 1068
945 const_iv (FIEMAP_FLAG_SYNC) 1069 const_iv (FIEMAP_FLAG_SYNC)
946 const_iv (FIEMAP_FLAG_XATTR) 1070 const_iv (FIEMAP_FLAG_XATTR)
947 const_iv (FIEMAP_FLAGS_COMPAT) 1071 const_iv (FIEMAP_FLAGS_COMPAT)
948 const_iv (FIEMAP_EXTENT_LAST) 1072 const_iv (FIEMAP_EXTENT_LAST)
… …
955 const_iv (FIEMAP_EXTENT_DATA_TAIL) 1079 const_iv (FIEMAP_EXTENT_DATA_TAIL)
956 const_iv (FIEMAP_EXTENT_UNWRITTEN) 1080 const_iv (FIEMAP_EXTENT_UNWRITTEN)
957 const_iv (FIEMAP_EXTENT_MERGED) 1081 const_iv (FIEMAP_EXTENT_MERGED)
958 const_iv (FIEMAP_EXTENT_SHARED) 1082 const_iv (FIEMAP_EXTENT_SHARED)
959 1083
1084 const_iv (SPLICE_F_MOVE)
1085 const_iv (SPLICE_F_NONBLOCK)
1086 const_iv (SPLICE_F_MORE)
1087 const_iv (SPLICE_F_GIFT)
1088
1089 /* these are libeio constants, and are independent of gendef0 */
960 const_eio (SEEK_SET) 1090 const_eio (SEEK_SET)
961 const_eio (SEEK_CUR) 1091 const_eio (SEEK_CUR)
962 const_eio (SEEK_END) 1092 const_eio (SEEK_END)
963 1093
964 const_eio (MCL_FUTURE) 1094 const_eio (MCL_FUTURE)
… …
973 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1103 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
974 const_eio (SYNC_FILE_RANGE_WRITE) 1104 const_eio (SYNC_FILE_RANGE_WRITE)
975 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1105 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
976 1106
977 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)
978 1117
979 const_eio (READDIR_DENTS) 1118 const_eio (READDIR_DENTS)
980 const_eio (READDIR_DIRS_FIRST) 1119 const_eio (READDIR_DIRS_FIRST)
981 const_eio (READDIR_STAT_ORDER) 1120 const_eio (READDIR_STAT_ORDER)
982 const_eio (READDIR_FOUND_UNKNOWN) 1121 const_eio (READDIR_FOUND_UNKNOWN)
… …
1050 PROTOTYPE: $ 1189 PROTOTYPE: $
1051 CODE: 1190 CODE:
1052 max_outstanding = maxreqs; 1191 max_outstanding = maxreqs;
1053 1192
1054void 1193void
1055aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) 1194aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1056 PPCODE: 1195 PPCODE:
1057{ 1196{
1058 dREQ; 1197 dREQ;
1059 1198
1060 req->type = EIO_WD_OPEN; 1199 req->type = EIO_WD_OPEN;
… …
1062 1201
1063 REQ_SEND; 1202 REQ_SEND;
1064} 1203}
1065 1204
1066void 1205void
1067aio_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)
1068 PPCODE: 1207 PPCODE:
1069{ 1208{
1070 dREQ; 1209 dREQ;
1071 1210
1072 req->type = EIO_OPEN; 1211 req->type = EIO_OPEN;
… …
1076 1215
1077 REQ_SEND; 1216 REQ_SEND;
1078} 1217}
1079 1218
1080void 1219void
1081aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1220aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1082 ALIAS: 1221 ALIAS:
1083 aio_fsync = EIO_FSYNC 1222 aio_fsync = EIO_FSYNC
1084 aio_fdatasync = EIO_FDATASYNC 1223 aio_fdatasync = EIO_FDATASYNC
1085 aio_syncfs = EIO_SYNCFS 1224 aio_syncfs = EIO_SYNCFS
1086 PPCODE: 1225 PPCODE:
1087{ 1226{
1088 int fd = s_fileno_croak (fh, 0); 1227 int fd = s_fileno_croak (fh, 0);
1089 dREQ; 1228 dREQ;
1090 1229
1091 req->type = ix; 1230 req->type = ix;
1092 req->sv1 = newSVsv (fh); 1231 req->sv1 = newSVsv (fh);
1093 req->int1 = fd; 1232 req->int1 = fd;
1094 1233
1095 REQ_SEND; 1234 REQ_SEND;
1096} 1235}
1097 1236
1098void 1237void
1099aio_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)
1100 PPCODE: 1239 PPCODE:
1101{ 1240{
1102 int fd = s_fileno_croak (fh, 0); 1241 int fd = s_fileno_croak (fh, 0);
1103 dREQ; 1242 dREQ;
1104 1243
1105 req->type = EIO_SYNC_FILE_RANGE; 1244 req->type = EIO_SYNC_FILE_RANGE;
1106 req->sv1 = newSVsv (fh); 1245 req->sv1 = newSVsv (fh);
1107 req->int1 = fd; 1246 req->int1 = fd;
… …
1111 1250
1112 REQ_SEND; 1251 REQ_SEND;
1113} 1252}
1114 1253
1115void 1254void
1116aio_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)
1117 PPCODE: 1256 PPCODE:
1118{ 1257{
1119 int fd = s_fileno_croak (fh, 0); 1258 int fd = s_fileno_croak (fh, 0);
1120 dREQ; 1259 dREQ;
1121 1260
1122 req->type = EIO_FALLOCATE; 1261 req->type = EIO_FALLOCATE;
1123 req->sv1 = newSVsv (fh); 1262 req->sv1 = newSVsv (fh);
1124 req->int1 = fd; 1263 req->int1 = fd;
… …
1128 1267
1129 REQ_SEND; 1268 REQ_SEND;
1130} 1269}
1131 1270
1132void 1271void
1133aio_close (SV *fh, SV *callback=&PL_sv_undef) 1272aio_close (SV *fh, SV *callback = &PL_sv_undef)
1134 PPCODE: 1273 PPCODE:
1135{ 1274{
1136 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 */
1137 int fd = s_fileno_croak (fh, 0); 1276 int fd = s_fileno_croak (fh, 0);
1138 dREQ; 1277 dREQ;
1139 1278
1140 if (expect_false (close_fd < 0)) 1279 if (expect_false (close_fd < 0))
1141 { 1280 {
1142 int pipefd [2]; 1281 int pipefd [2];
… …
1162 1301
1163 REQ_SEND; 1302 REQ_SEND;
1164} 1303}
1165 1304
1166void 1305void
1167aio_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)
1168 PPCODE: 1307 PPCODE:
1169{ 1308{
1170 int fd = s_fileno_croak (fh, 0); 1309 int fd = s_fileno_croak (fh, 0);
1171 dREQ; 1310 dREQ;
1172 1311
… …
1178 1317
1179 REQ_SEND; 1318 REQ_SEND;
1180} 1319}
1181 1320
1182void 1321void
1183aio_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)
1184 ALIAS: 1323 ALIAS:
1185 aio_read = EIO_READ 1324 aio_read = EIO_READ
1186 aio_write = EIO_WRITE 1325 aio_write = EIO_WRITE
1187 PPCODE: 1326 PPCODE:
1188{ 1327{
… …
1204 len = svlen - dataoffset; 1343 len = svlen - dataoffset;
1205 } 1344 }
1206 else 1345 else
1207 { 1346 {
1208 /* read: check type and grow scalar as necessary */ 1347 /* read: check type and grow scalar as necessary */
1209 SvUPGRADE (data, SVt_PV); 1348 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1210 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");
1211 } 1352 }
1212 1353
1213 { 1354 {
1214 dREQ; 1355 dREQ;
1215 1356
… …
1231 REQ_SEND; 1372 REQ_SEND;
1232 } 1373 }
1233} 1374}
1234 1375
1235void 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
1236aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1417aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1237 ALIAS: 1418 ALIAS:
1238 aio_readlink = EIO_READLINK 1419 aio_readlink = EIO_READLINK
1239 aio_realpath = EIO_REALPATH 1420 aio_realpath = EIO_REALPATH
1240 PPCODE: 1421 PPCODE:
1241{ 1422{
… …
1246 1427
1247 REQ_SEND; 1428 REQ_SEND;
1248} 1429}
1249 1430
1250void 1431void
1251aio_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)
1252 PPCODE: 1433 PPCODE:
1253{ 1434{
1254 int ifd = s_fileno_croak (in_fh , 0); 1435 int ifd = s_fileno_croak (in_fh , 0);
1255 int ofd = s_fileno_croak (out_fh, 1); 1436 int ofd = s_fileno_croak (out_fh, 1);
1256 dREQ; 1437 dREQ;
1257 1438
1258 req->type = EIO_SENDFILE; 1439 req->type = EIO_SENDFILE;
1259 req->sv1 = newSVsv (out_fh); 1440 req->sv1 = newSVsv (out_fh);
1260 req->int1 = ofd; 1441 req->int1 = ofd;
… …
1265 1446
1266 REQ_SEND; 1447 REQ_SEND;
1267} 1448}
1268 1449
1269void 1450void
1270aio_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)
1271 PPCODE: 1452 PPCODE:
1272{ 1453{
1273 int fd = s_fileno_croak (fh, 0); 1454 int fd = s_fileno_croak (fh, 0);
1274 dREQ; 1455 dREQ;
1275 1456
1276 req->type = EIO_READAHEAD; 1457 req->type = EIO_READAHEAD;
1277 req->sv1 = newSVsv (fh); 1458 req->sv1 = newSVsv (fh);
1278 req->int1 = fd; 1459 req->int1 = fd;
… …
1281 1462
1282 REQ_SEND; 1463 REQ_SEND;
1283} 1464}
1284 1465
1285void 1466void
1286aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1467aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1287 ALIAS: 1468 ALIAS:
1288 aio_stat = EIO_STAT 1469 aio_stat = EIO_STAT
1289 aio_lstat = EIO_LSTAT 1470 aio_lstat = EIO_LSTAT
1290 aio_statvfs = EIO_STATVFS 1471 aio_statvfs = EIO_STATVFS
1291 PPCODE: 1472 PPCODE:
… …
1300UV 1481UV
1301major (UV dev) 1482major (UV dev)
1302 ALIAS: 1483 ALIAS:
1303 minor = 1 1484 minor = 1
1304 CODE: 1485 CODE:
1305 RETVAL = ix ? major (dev) : minor (dev); 1486 RETVAL = ix ? minor (dev) : major (dev);
1306 OUTPUT: 1487 OUTPUT:
1307 RETVAL 1488 RETVAL
1308 1489
1309UV 1490UV
1310makedev (UV maj, UV min) 1491makedev (UV maj, UV min)
… …
1312 RETVAL = makedev (maj, min); 1493 RETVAL = makedev (maj, min);
1313 OUTPUT: 1494 OUTPUT:
1314 RETVAL 1495 RETVAL
1315 1496
1316void 1497void
1317aio_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)
1318 PPCODE: 1499 PPCODE:
1319{ 1500{
1320 dREQ; 1501 dREQ;
1321 1502
1322 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1503 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
… …
1325 1506
1326 REQ_SEND; 1507 REQ_SEND;
1327} 1508}
1328 1509
1329void 1510void
1330aio_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)
1331 PPCODE: 1512 PPCODE:
1332{ 1513{
1333 dREQ; 1514 dREQ;
1334 1515
1335 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1516 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
… …
1337 1518
1338 REQ_SEND; 1519 REQ_SEND;
1339} 1520}
1340 1521
1341void 1522void
1342aio_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)
1343 PPCODE: 1524 PPCODE:
1344{ 1525{
1345 dREQ; 1526 dREQ;
1346 1527
1347 req->int2 = mode; 1528 req->int2 = mode;
… …
1349 1530
1350 REQ_SEND; 1531 REQ_SEND;
1351} 1532}
1352 1533
1353void 1534void
1354aio_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)
1355 PPCODE: 1536 PPCODE:
1356{ 1537{
1357 dREQ; 1538 dREQ;
1358 1539
1359 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1540 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
… …
1362 1543
1363 REQ_SEND; 1544 REQ_SEND;
1364} 1545}
1365 1546
1366void 1547void
1367aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1548aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1368 PPCODE: 1549 PPCODE:
1369{ 1550{
1370 dREQ; 1551 dREQ;
1371 1552
1372 req->type = EIO_READDIR; 1553 req->type = EIO_READDIR;
… …
1379 1560
1380 REQ_SEND; 1561 REQ_SEND;
1381} 1562}
1382 1563
1383void 1564void
1384aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) 1565aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1385 PPCODE: 1566 PPCODE:
1386{ 1567{
1387 dREQ; 1568 dREQ;
1388 1569
1389 req->type = EIO_MKDIR; 1570 req->type = EIO_MKDIR;
… …
1392 1573
1393 REQ_SEND; 1574 REQ_SEND;
1394} 1575}
1395 1576
1396void 1577void
1397aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1578aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1398 ALIAS: 1579 ALIAS:
1399 aio_unlink = EIO_UNLINK 1580 aio_unlink = EIO_UNLINK
1400 aio_rmdir = EIO_RMDIR 1581 aio_rmdir = EIO_RMDIR
1401 aio_readdir = EIO_READDIR 1582 aio_readdir = EIO_READDIR
1402 PPCODE: 1583 PPCODE:
… …
1408 1589
1409 REQ_SEND; 1590 REQ_SEND;
1410} 1591}
1411 1592
1412void 1593void
1413aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1594aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1414 ALIAS: 1595 ALIAS:
1415 aio_link = EIO_LINK 1596 aio_link = EIO_LINK
1416 aio_symlink = EIO_SYMLINK 1597 aio_symlink = EIO_SYMLINK
1417 aio_rename = EIO_RENAME 1598 aio_rename = EIO_RENAME
1418 PPCODE: 1599 PPCODE:
… …
1427 1608
1428 REQ_SEND; 1609 REQ_SEND;
1429} 1610}
1430 1611
1431void 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
1432aio_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)
1433 PPCODE: 1630 PPCODE:
1434{ 1631{
1435 dREQ; 1632 dREQ;
1436 1633
1437 req->type = EIO_MKNOD; 1634 req->type = EIO_MKNOD;
… …
1441 1638
1442 REQ_SEND; 1639 REQ_SEND;
1443} 1640}
1444 1641
1445void 1642void
1446aio_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)
1447 ALIAS: 1644 ALIAS:
1448 aio_mtouch = EIO_MTOUCH 1645 aio_mtouch = EIO_MTOUCH
1449 aio_msync = EIO_MSYNC 1646 aio_msync = EIO_MSYNC
1450 PPCODE: 1647 PPCODE:
1451{ 1648{
1452 STRLEN svlen; 1649 STRLEN svlen;
1453 char *svptr = SvPVbyte (data, svlen); 1650 char *svptr = SvPVbyte (data, svlen);
1454 UV len = SvUV (length); 1651 UV len = SvUV (length);
1652
1653 if (flags < 0)
1654 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1455 1655
1456 if (offset < 0) 1656 if (offset < 0)
1457 offset += svlen; 1657 offset += svlen;
1458 1658
1459 if (offset < 0 || offset > svlen) 1659 if (offset < 0 || offset > svlen)
… …
1474 REQ_SEND; 1674 REQ_SEND;
1475 } 1675 }
1476} 1676}
1477 1677
1478void 1678void
1479aio_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)
1480 PPCODE: 1680 PPCODE:
1481{ 1681{
1482 STRLEN svlen; 1682 STRLEN svlen;
1483 char *svptr = SvPVbyte (data, svlen); 1683 char *svptr = SvPVbyte (data, svlen);
1484 UV len = SvUV (length); 1684 UV len = SvUV (length);
… …
1503 REQ_SEND; 1703 REQ_SEND;
1504 } 1704 }
1505} 1705}
1506 1706
1507void 1707void
1508aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1708aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1509 PPCODE: 1709 PPCODE:
1510{ 1710{
1511 dREQ; 1711 dREQ;
1512 1712
1513 req->type = EIO_MLOCKALL; 1713 req->type = EIO_MLOCKALL;
… …
1515 1715
1516 REQ_SEND; 1716 REQ_SEND;
1517} 1717}
1518 1718
1519void 1719void
1520aio_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)
1521 PPCODE: 1721 PPCODE:
1522{ 1722{
1523 int fd = s_fileno_croak (fh, 0); 1723 int fd = s_fileno_croak (fh, 0);
1524 dREQ; 1724 dREQ;
1525 1725
1526 req->type = EIO_CUSTOM; 1726 req->type = EIO_CUSTOM;
1527 req->sv1 = newSVsv (fh); 1727 req->sv1 = newSVsv (fh);
1528 req->int1 = fd; 1728 req->int1 = fd;
… …
1538 1738
1539 REQ_SEND; 1739 REQ_SEND;
1540} 1740}
1541 1741
1542void 1742void
1543aio_busy (double delay, SV *callback=&PL_sv_undef) 1743aio_busy (double delay, SV *callback = &PL_sv_undef)
1544 PPCODE: 1744 PPCODE:
1545{ 1745{
1546 dREQ; 1746 dREQ;
1547 1747
1548 req->type = EIO_BUSY; 1748 req->type = EIO_BUSY;
… …
1550 1750
1551 REQ_SEND; 1751 REQ_SEND;
1552} 1752}
1553 1753
1554void 1754void
1555aio_group (SV *callback=&PL_sv_undef) 1755aio_group (SV *callback = &PL_sv_undef)
1556 PPCODE: 1756 PPCODE:
1557{ 1757{
1558 dREQ; 1758 dREQ;
1559 1759
1560 req->type = EIO_GROUP; 1760 req->type = EIO_GROUP;
1561 1761
1762 PUTBACK;
1562 req_submit (req); 1763 req_submit (req);
1764 SPAGAIN;
1765
1563 XPUSHs (req_sv (req, aio_grp_stash)); 1766 XPUSHs (req_sv (req, aio_grp_stash));
1564} 1767}
1565 1768
1566void 1769void
1567aio_nop (SV *callback=&PL_sv_undef) 1770aio_nop (SV *callback = &PL_sv_undef)
1568 ALIAS: 1771 ALIAS:
1569 aio_nop = EIO_NOP 1772 aio_nop = EIO_NOP
1570 aio_sync = EIO_SYNC 1773 aio_sync = EIO_SYNC
1571 PPCODE: 1774 PPCODE:
1572{ 1775{
… …
1576 1779
1577 REQ_SEND; 1780 REQ_SEND;
1578} 1781}
1579 1782
1580int 1783int
1581aioreq_pri (int pri = 0) 1784aioreq_pri (int pri = NO_INIT)
1582 CODE: 1785 CODE:
1583 RETVAL = next_pri; 1786 RETVAL = next_pri;
1584 if (items > 0) 1787 if (items > 0)
1585 { 1788 {
1586 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1789 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1676 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1879 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1677 OUTPUT: 1880 OUTPUT:
1678 RETVAL 1881 RETVAL
1679 1882
1680void 1883void
1681mmap (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)
1682 PPCODE: 1885 PPCODE:
1683 sv_unmagic (scalar, MMAP_MAGIC); 1886 sv_unmagic (scalar, MMAP_MAGIC);
1684{ 1887{
1685 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;
1686 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1889 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
… …
1713munmap (SV *scalar) 1916munmap (SV *scalar)
1714 CODE: 1917 CODE:
1715 sv_unmagic (scalar, MMAP_MAGIC); 1918 sv_unmagic (scalar, MMAP_MAGIC);
1716 1919
1717int 1920int
1718madvise (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)
1719 ALIAS: 1922 ALIAS:
1720 mprotect = 1 1923 mprotect = 1
1721 CODE: 1924 CODE:
1722{ 1925{
1723 STRLEN svlen; 1926 STRLEN svlen;
1724 void *addr = SvPVbyte (scalar, svlen); 1927 void *addr = SvPVbyte (scalar, svlen);
1725 size_t len = SvUV (length); 1928 STRLEN len = SvUV (length);
1726 1929
1727 if (offset < 0) 1930 if (offset < 0)
1728 offset += svlen; 1931 offset += svlen;
1729 1932
1730 if (offset < 0 || offset > svlen) 1933 if (offset < 0 || offset > svlen)
… …
1744} 1947}
1745 OUTPUT: 1948 OUTPUT:
1746 RETVAL 1949 RETVAL
1747 1950
1748int 1951int
1749munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 1952munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1750 CODE: 1953 CODE:
1751{ 1954{
1752 STRLEN svlen; 1955 STRLEN svlen;
1753 void *addr = SvPVbyte (scalar, svlen); 1956 void *addr = SvPVbyte (scalar, svlen);
1754 size_t len = SvUV (length); 1957 size_t len = SvUV (length);
1755 1958
1756 if (offset < 0) 1959 if (offset < 0)
1757 offset += svlen; 1960 offset += svlen;
1758 1961
… …
1765 addr = (void *)(((intptr_t)addr) + offset); 1968 addr = (void *)(((intptr_t)addr) + offset);
1766 eio_page_align (&addr, &len); 1969 eio_page_align (&addr, &len);
1767#if _POSIX_MEMLOCK_RANGE 1970#if _POSIX_MEMLOCK_RANGE
1768 RETVAL = munlock (addr, len); 1971 RETVAL = munlock (addr, len);
1769#else 1972#else
1770 RETVAL = ((errno = ENOSYS), -1); 1973 RETVAL = EIO_ENOSYS ();
1771#endif 1974#endif
1772} 1975}
1773 OUTPUT: 1976 OUTPUT:
1774 RETVAL 1977 RETVAL
1775 1978
… …
1777munlockall () 1980munlockall ()
1778 CODE: 1981 CODE:
1779#if _POSIX_MEMLOCK 1982#if _POSIX_MEMLOCK
1780 munlockall (); 1983 munlockall ();
1781#else 1984#else
1782 RETVAL = -1; 1985 RETVAL = EIO_ENOSYS ();
1783 errno = ENOSYS;
1784#endif 1986#endif
1785 OUTPUT: 1987 OUTPUT:
1786 RETVAL 1988 RETVAL
1989
1990int
1991splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1992 CODE:
1993{
1994#if HAVE_LINUX_SPLICE
1995 loff_t off_in_, off_out_;
1996 RETVAL = splice (
1997 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1998 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1999 length, flags
2000 );
2001#else
2002 RETVAL = EIO_ENOSYS ();
2003#endif
2004}
2005 OUTPUT:
2006 RETVAL
2007
2008int
2009tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2010 CODE:
2011#if HAVE_LINUX_SPLICE
2012 RETVAL = tee (rfh, wfh, length, flags);
2013#else
2014 RETVAL = EIO_ENOSYS ();
2015#endif
2016 OUTPUT:
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}
1787 2131
1788void _on_next_submit (SV *cb) 2132void _on_next_submit (SV *cb)
1789 CODE: 2133 CODE:
1790 SvREFCNT_dec (on_next_submit); 2134 SvREFCNT_dec (on_next_submit);
1791 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2135 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1826cancel (aio_req_ornot req) 2170cancel (aio_req_ornot req)
1827 CODE: 2171 CODE:
1828 eio_cancel (req); 2172 eio_cancel (req);
1829 2173
1830void 2174void
1831cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2175cb (aio_req_ornot req, SV *callback = NO_INIT)
1832 PPCODE: 2176 PPCODE:
1833{ 2177{
1834 if (GIMME_V != G_VOID) 2178 if (GIMME_V != G_VOID)
1835 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);
1836 2180
1837 if (items > 1) 2181 if (items > 1)
1838 { 2182 {
1839 SV *cb_cv =get_cb (callback); 2183 SV *cb_cv = get_cb (callback);
1840 2184
1841 SvREFCNT_dec (req->callback); 2185 SvREFCNT_dec (req->callback);
1842 req->callback = SvREFCNT_inc (cb_cv); 2186 req->callback = SvREFCNT_inc (cb_cv);
1843 } 2187 }
1844} 2188}
… …
1901limit (aio_req grp, int limit) 2245limit (aio_req grp, int limit)
1902 CODE: 2246 CODE:
1903 eio_grp_limit (grp, limit); 2247 eio_grp_limit (grp, limit);
1904 2248
1905void 2249void
1906feed (aio_req grp, SV *callback=&PL_sv_undef) 2250feed (aio_req grp, SV *callback = &PL_sv_undef)
1907 CODE: 2251 CODE:
1908{ 2252{
1909 SvREFCNT_dec (grp->sv2); 2253 SvREFCNT_dec (grp->sv2);
1910 grp->sv2 = newSVsv (callback); 2254 grp->sv2 = newSVsv (callback);
1911 grp->feed = aio_grp_feed; 2255 grp->feed = aio_grp_feed;

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