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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.256 by root, Tue Feb 20 06:54:46 2018 UTC vs.
Revision 1.285 by root, Tue Dec 29 15:16:28 2020 UTC

… …
3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8#include "perliol.h"
9
10#if !defined mg_findext
11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
12#endif
8 13
9#include <stddef.h> 14#include <stddef.h>
10#include <stdlib.h> 15#include <stdlib.h>
11#include <errno.h> 16#include <errno.h>
12#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
13#include <sys/stat.h> 19#include <sys/stat.h>
14#include <limits.h> 20#include <limits.h>
15#include <fcntl.h> 21#include <fcntl.h>
16#include <sched.h> 22#include <sched.h>
17
18#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
19# include <sys/mman.h>
20#endif
21 23
22/* the incompetent fool that created musl keeps __linux__, refuses 24/* the incompetent fool that created musl keeps __linux__, refuses
23 * to implement any linux standard apis, and also has no way to test 25 * to implement any linux standard apis, and also has no way to test
24 * for his broken iplementation. don't complain to me if this fails 26 * for his broken iplementation. don't complain to me if this fails
25 * for you. 27 * for you.
… …
73 #undef fchmod 75 #undef fchmod
74 #undef dup 76 #undef dup
75 #undef dup2 77 #undef dup2
76 #undef abort 78 #undef abort
77 #undef pipe 79 #undef pipe
80 #undef utime
78 81
79 #define EIO_STRUCT_STAT struct _stati64 82 #define EIO_STRUCT_STAT struct _stati64
80 #define EIO_STRUCT_STATI64 83 #define EIO_STRUCT_STATI64
81 84
82#else 85#else
… …
102#define expect_false(expr) expect ((expr) != 0, 0) 105#define expect_false(expr) expect ((expr) != 0, 0)
103#define expect_true(expr) expect ((expr) != 0, 1) 106#define expect_true(expr) expect ((expr) != 0, 1)
104 107
105/*****************************************************************************/ 108/*****************************************************************************/
106 109
107#include "libeio/config.h" 110#include "config.h"
111
112#if HAVE_SYS_MKDEV_H
113# include <sys/mkdev.h>
114#elif HAVE_SYS_SYSMACROS_H
115# include <sys/sysmacros.h>
116#endif
117
118#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
119# include <sys/mman.h>
120#endif
121
122#if HAVE_SYS_UIO_H
123# include <sys/uio.h>
124#endif
125
126#if HAVE_ST_XTIMENSEC
127# define ATIMENSEC PL_statcache.st_atimensec
128# define MTIMENSEC PL_statcache.st_mtimensec
129# define CTIMENSEC PL_statcache.st_ctimensec
130#elif HAVE_ST_XTIMESPEC
131# define ATIMENSEC PL_statcache.st_atim.tv_nsec
132# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
133# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
134#else
135# define ATIMENSEC 0
136# define MTIMENSEC 0
137# define CTIMENSEC 0
138#endif
139
140#if HAVE_ST_BIRTHTIMENSEC
141# define BTIMESEC PL_statcache.st_birthtime
142# define BTIMENSEC PL_statcache.st_birthtimensec
143#elif HAVE_ST_BIRTHTIMESPEC
144# define BTIMESEC PL_statcache.st_birthtim.tv_sec
145# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
146#else
147# define BTIMESEC 0
148# define BTIMENSEC 0
149#endif
150
151#if HAVE_ST_GEN
152# define ST_GEN PL_statcache.st_gen
153#else
154# define ST_GEN 0
155#endif
108 156
109#include "schmorp.h" 157#include "schmorp.h"
110 158
111#if HAVE_EVENTFD 159#if HAVE_EVENTFD
112# include <sys/eventfd.h> 160# include <sys/eventfd.h>
… …
159# else 207# else
160# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 208# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
161# endif 209# endif
162#endif 210#endif
163 211
164/* defines all sorts of constants to 0 unless they are already defined */
165/* also provides const_iv_ and const_niv_ macros for them */
166#include "def0.h"
167
168#ifndef makedev 212#ifndef makedev
169# define makedev(maj,min) (((maj) << 8) | (min)) 213# define makedev(maj,min) (((maj) << 8) | (min))
170#endif 214#endif
171#ifndef major 215#ifndef major
172# define major(dev) ((dev) >> 8) 216# define major(dev) ((dev) >> 8)
173#endif 217#endif
174#ifndef minor 218#ifndef minor
175# define minor(dev) ((dev) & 0xff) 219# define minor(dev) ((dev) & 0xff)
176#endif 220#endif
177 221
222/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
223#ifdef __sun
224# undef PAGESIZE
225#endif
226
178#if PAGESIZE <= 0 227#if PAGESIZE <= 0
179# define PAGESIZE sysconf (_SC_PAGESIZE) 228# define PAGESIZE sysconf (_SC_PAGESIZE)
180#endif 229#endif
181 230
231#if HAVE_SYSCALL
232#include <sys/syscall.h>
233#else
234# define syscall(nr,...) (errno = ENOSYS, -1)
235#endif
236
182/*****************************************************************************/ 237/*****************************************************************************/
183 238
184#if !_POSIX_MAPPED_FILES 239#if !_POSIX_MAPPED_FILES
185# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () 240# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
186# define munmap(addr,length) EIO_ENOSYS () 241# define munmap(addr,length) EIO_ENOSYS ()
187#endif 242#endif
188 243
189#if !_POSIX_MEMORY_PROTECTION 244#if !_POSIX_MEMORY_PROTECTION
190# define mprotect(addr,len,prot) EIO_ENOSYS () 245# define mprotect(addr,len,prot) EIO_ENOSYS ()
246#endif
247
248#if !MREMAP_MAYMOVE
249# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
191#endif 250#endif
192 251
193#define FOREIGN_MAGIC PERL_MAGIC_ext 252#define FOREIGN_MAGIC PERL_MAGIC_ext
194 253
195static int ecb_cold 254static int ecb_cold
… …
240}; 299};
241 300
242/*****************************************************************************/ 301/*****************************************************************************/
243 302
244/* helper: set scalar to foreign ptr with custom free */ 303/* helper: set scalar to foreign ptr with custom free */
304ecb_noinline
245static void 305static void
246sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length) 306sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
247{ 307{
248 sv_force_normal (sv); 308 sv_force_normal (sv);
249 309
… …
267{ 327{
268 /* todo: iterate over magic and only free ours, but of course */ 328 /* todo: iterate over magic and only free ours, but of course */
269 /* the perl5porters will call that (correct) behaviour buggy */ 329 /* the perl5porters will call that (correct) behaviour buggy */
270 sv_unmagic (sv, FOREIGN_MAGIC); 330 sv_unmagic (sv, FOREIGN_MAGIC);
271} 331}
332
333/*****************************************************************************/
334
335/* defines all sorts of constants to 0 unless they are already defined */
336/* also provides const_iv_ and const_niv_ macros for them */
337#include "def0.h"
272 338
273/*****************************************************************************/ 339/*****************************************************************************/
274 340
275static void 341static void
276fiemap (eio_req *req) 342fiemap (eio_req *req)
… …
284 int count = req->int3; 350 int count = req->int3;
285 351
286 req->flags |= EIO_FLAG_PTR1_FREE; 352 req->flags |= EIO_FLAG_PTR1_FREE;
287 353
288 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ 354 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
289 /* increase in 3.5kb steps */ 355 /* increase in fixed steps */
290 if (count < 0) 356 if (count < 0)
291 count = 8; 357 count = 8;
292 358
293 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 359 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
294 errno = ENOMEM; 360 errno = ENOMEM;
… …
347 413
348 for (count = 0; count < incmap->fm_mapped_extents; ++count) 414 for (count = 0; count < incmap->fm_mapped_extents; ++count)
349 { 415 {
350 struct fiemap_extent *e = incmap->fm_extents + count; 416 struct fiemap_extent *e = incmap->fm_extents + count;
351 417
418 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
419
352 if (e->fe_logical + e->fe_length >= end_offset) 420 if (e->fe_logical >= end_offset)
353 goto done; 421 goto done;
354
355 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
356 422
357 if (e->fe_flags & FIEMAP_EXTENT_LAST) 423 if (e->fe_flags & FIEMAP_EXTENT_LAST)
358 goto done; 424 goto done;
359 425
360 } 426 }
… …
367 errno = ENOSYS; 433 errno = ENOSYS;
368#endif 434#endif
369} 435}
370 436
371/*****************************************************************************/ 437/*****************************************************************************/
438
439static int close_fd; /* dummy fd to close fds via dup2 */
440
441#if HAVE_STATX
442static struct statx stx;
443#define statx_offsetof(member) offsetof (struct statx, member)
444#define eio__statx statx
445#else
446#define statx_offsetof(member) 0
447#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
448#endif
372 449
373enum { 450enum {
374 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 451 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
375}; 452};
376 453
… …
400 /* read any signals sent by the worker threads */ 477 /* read any signals sent by the worker threads */
401 s_epipe_drain (&respipe); 478 s_epipe_drain (&respipe);
402} 479}
403 480
404/* must be called at most once */ 481/* must be called at most once */
482ecb_noinline
405static SV * 483static SV *
406req_sv (aio_req req, HV *stash) 484req_sv (aio_req req, HV *stash)
407{ 485{
408 if (!req->self) 486 if (!req->self)
409 { 487 {
… …
418newSVaio_wd (aio_wd wd) 496newSVaio_wd (aio_wd wd)
419{ 497{
420 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); 498 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
421} 499}
422 500
501ecb_noinline
423static aio_req 502static aio_req
424SvAIO_REQ (SV *sv) 503SvAIO_REQ (SV *sv)
425{ 504{
426 MAGIC *mg; 505 MAGIC *mg;
427 506
… …
490 FREETMPS; 569 FREETMPS;
491 LEAVE; 570 LEAVE;
492 } 571 }
493} 572}
494 573
574ecb_noinline
495static void 575static void
496req_submit (eio_req *req) 576req_submit (eio_req *req)
497{ 577{
498 eio_submit (req); 578 eio_submit (req);
499 579
… …
760 } 840 }
761 else 841 else
762 PUSHs (sv_result); 842 PUSHs (sv_result);
763 break; 843 break;
764 844
845#if 0
846 case EIO_CLOSE:
847 PerlIOUnix_refcnt_dec (req->int1);
848 break;
849#endif
850
765 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 851 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
766 if (req->result > 0) 852 if (req->result > 0)
767 SvIV_set (sv_result, 0); 853 SvIV_set (sv_result, 0);
768 /* FALLTHROUGH */ 854 /* FALLTHROUGH */
769 855
… …
820 grp->sv2 = 0; 906 grp->sv2 = 0;
821 907
822 eio_grp_cancel (grp); 908 eio_grp_cancel (grp);
823} 909}
824 910
825static void ecb_cold 911ecb_cold
912static void
826create_respipe (void) 913create_respipe (void)
827{ 914{
828 if (s_epipe_renew (&respipe)) 915 if (s_epipe_renew (&respipe))
829 croak ("IO::AIO: unable to initialize result pipe"); 916 croak ("IO::AIO: unable to initialize result pipe");
830} 917}
… …
864 951
865 poll_wait (); 952 poll_wait ();
866 } 953 }
867} 954}
868 955
869static void ecb_cold 956ecb_cold
957static void
870reinit (void) 958reinit (void)
871{ 959{
872 create_respipe (); 960 create_respipe ();
873 961
874 if (eio_init (want_poll, done_poll) < 0) 962 if (eio_init (want_poll, done_poll) < 0)
… …
882{ 970{
883 SvGETMAGIC (cb_sv); 971 SvGETMAGIC (cb_sv);
884 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 972 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
885} 973}
886 974
975ecb_noinline
887static aio_req ecb_noinline 976static aio_req ecb_noinline
888dreq (SV *callback) 977dreq (SV *callback)
889{ 978{
890 SV *cb_cv; 979 SV *cb_cv;
891 aio_req req; 980 aio_req req;
… …
913 SPAGAIN; \ 1002 SPAGAIN; \
914 \ 1003 \
915 if (GIMME_V != G_VOID) \ 1004 if (GIMME_V != G_VOID) \
916 XPUSHs (req_sv (req, aio_req_stash)); 1005 XPUSHs (req_sv (req, aio_req_stash));
917 1006
1007/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
918ecb_inline void 1008ecb_inline
1009void
919req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) 1010req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
920{ 1011{
921 if (expect_false (SvROK (path))) 1012 if (expect_false (SvROK (path)))
922 { 1013 {
923 SV *rv = SvRV (path); 1014 SV *rv = SvRV (path);
924 SV *wdob; 1015 SV *wdob;
… …
949 1040
950 *pathsv = newSVsv (path); 1041 *pathsv = newSVsv (path);
951 *ptr = SvPVbyte_nolen (*pathsv); 1042 *ptr = SvPVbyte_nolen (*pathsv);
952} 1043}
953 1044
954static void ecb_noinline 1045ecb_noinline
1046static void
955req_set_path1 (aio_req req, SV *path) 1047req_set_path1 (aio_req req, SV *path)
956{ 1048{
957 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); 1049 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
958} 1050}
959 1051
960static void ecb_noinline 1052ecb_noinline
1053static void
961req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) 1054req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
962{ 1055{
963 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; 1056 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
964 1057
965 switch (SvTYPE (rv)) 1058 switch (SvTYPE (rv))
… …
1034 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) 1127 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1035 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) 1128 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1036 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) 1129 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1037 1130
1038 /* the second block will be 0 when missing */ 1131 /* the second block will be 0 when missing */
1132 const_iv (O_ACCMODE)
1133
1039 const_iv (O_RDONLY) 1134 const_iv (O_RDONLY)
1040 const_iv (O_WRONLY) 1135 const_iv (O_WRONLY)
1041 const_iv (O_RDWR) 1136 const_iv (O_RDWR)
1042 const_iv (O_CREAT) 1137 const_iv (O_CREAT)
1043 const_iv (O_TRUNC) 1138 const_iv (O_TRUNC)
… …
1103 const_iv (MAP_GROWSDOWN) 1198 const_iv (MAP_GROWSDOWN)
1104 const_iv (MAP_32BIT) 1199 const_iv (MAP_32BIT)
1105 const_iv (MAP_HUGETLB) 1200 const_iv (MAP_HUGETLB)
1106 const_iv (MAP_STACK) 1201 const_iv (MAP_STACK)
1107 1202
1203 const_iv (MREMAP_MAYMOVE)
1204 const_iv (MREMAP_FIXED)
1205
1206 const_iv (MSG_CMSG_CLOEXEC)
1207 const_iv (SOCK_CLOEXEC)
1208
1108 const_iv (F_DUPFD_CLOEXEC) 1209 const_iv (F_DUPFD_CLOEXEC)
1210
1211 const_iv (F_ADD_SEALS)
1212 const_iv (F_GET_SEALS)
1213 const_iv (F_SEAL_SEAL)
1214 const_iv (F_SEAL_SHRINK)
1215 const_iv (F_SEAL_GROW)
1216 const_iv (F_SEAL_WRITE)
1109 1217
1110 const_iv (F_OFD_GETLK) 1218 const_iv (F_OFD_GETLK)
1111 const_iv (F_OFD_SETLK) 1219 const_iv (F_OFD_SETLK)
1112 const_iv (F_OFD_GETLKW) 1220 const_iv (F_OFD_GETLKW)
1113 1221
… …
1190 1298
1191 const_iv (EFD_CLOEXEC) 1299 const_iv (EFD_CLOEXEC)
1192 const_iv (EFD_NONBLOCK) 1300 const_iv (EFD_NONBLOCK)
1193 const_iv (EFD_SEMAPHORE) 1301 const_iv (EFD_SEMAPHORE)
1194 1302
1303 const_iv (MFD_CLOEXEC)
1304 const_iv (MFD_ALLOW_SEALING)
1305 const_iv (MFD_HUGETLB)
1306
1195 const_iv (CLOCK_REALTIME) 1307 const_iv (CLOCK_REALTIME)
1196 const_iv (CLOCK_MONOTONIC) 1308 const_iv (CLOCK_MONOTONIC)
1197 const_iv (CLOCK_BOOTTIME) 1309 const_iv (CLOCK_BOOTTIME)
1198 const_iv (CLOCK_REALTIME_ALARM) 1310 const_iv (CLOCK_REALTIME_ALARM)
1199 const_iv (CLOCK_BOOTTIME_ALARM) 1311 const_iv (CLOCK_BOOTTIME_ALARM)
… …
1202 const_iv (TFD_CLOEXEC) 1314 const_iv (TFD_CLOEXEC)
1203 1315
1204 const_iv (TFD_TIMER_ABSTIME) 1316 const_iv (TFD_TIMER_ABSTIME)
1205 const_iv (TFD_TIMER_CANCEL_ON_SET) 1317 const_iv (TFD_TIMER_CANCEL_ON_SET)
1206 1318
1319 const_iv (STATX_TYPE)
1320 const_iv (STATX_MODE)
1321 const_iv (STATX_NLINK)
1322 const_iv (STATX_UID)
1323 const_iv (STATX_GID)
1324 const_iv (STATX_ATIME)
1325 const_iv (STATX_MTIME)
1326 const_iv (STATX_CTIME)
1327 const_iv (STATX_INO)
1328 const_iv (STATX_SIZE)
1329 const_iv (STATX_BLOCKS)
1330 const_iv (STATX_BASIC_STATS)
1331 const_iv (STATX_ALL)
1332 const_iv (STATX_BTIME)
1333 const_iv (STATX_ATTR_COMPRESSED)
1334 const_iv (STATX_ATTR_IMMUTABLE)
1335 const_iv (STATX_ATTR_APPEND)
1336 const_iv (STATX_ATTR_NODUMP)
1337 const_iv (STATX_ATTR_ENCRYPTED)
1338 const_iv (STATX_ATTR_AUTOMOUNT)
1339
1340 const_iv (AT_FDCWD)
1341 const_iv (AT_SYMLINK_NOFOLLOW)
1342 const_iv (AT_EACCESS)
1343 const_iv (AT_REMOVEDIR)
1344 const_iv (AT_SYMLINK_FOLLOW)
1345 const_iv (AT_NO_AUTOMOUNT)
1346 const_iv (AT_EMPTY_PATH)
1347 const_iv (AT_STATX_SYNC_TYPE)
1348 const_iv (AT_STATX_AS_STAT)
1349 const_iv (AT_STATX_FORCE_SYNC)
1350 const_iv (AT_STATX_DONT_SYNC)
1351 const_iv (AT_RECURSIVE)
1352
1353 const_iv (OPEN_TREE_CLONE)
1354
1355 const_iv (MOVE_MOUNT_F_SYMLINKS)
1356 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1357 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1358 const_iv (MOVE_MOUNT_T_SYMLINKS)
1359 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1360 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1361
1207 /* these are libeio constants, and are independent of gendef0 */ 1362 /* these are libeio constants, and are independent of gendef0 */
1208 const_eio (SEEK_SET) 1363 const_eio (SEEK_SET)
1209 const_eio (SEEK_CUR) 1364 const_eio (SEEK_CUR)
1210 const_eio (SEEK_END) 1365 const_eio (SEEK_END)
1211 1366
1212 const_eio (MCL_FUTURE) 1367 const_eio (MCL_FUTURE)
1213 const_eio (MCL_CURRENT) 1368 const_eio (MCL_CURRENT)
1369 const_eio (MCL_ONFAULT)
1214 1370
1215 const_eio (MS_ASYNC) 1371 const_eio (MS_ASYNC)
1216 const_eio (MS_INVALIDATE) 1372 const_eio (MS_INVALIDATE)
1217 const_eio (MS_SYNC) 1373 const_eio (MS_SYNC)
1218 1374
… …
1257 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1413 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1258 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1414 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1259 1415
1260 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1416 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1261 1417
1418 /* allocate dummy pipe fd for aio_close */
1419 {
1420 int pipefd [2];
1421
1422 if (
1423#ifdef _WIN32
1424 _pipe (pipefd, 1, _O_BINARY) < 0
1425#else
1426 pipe (pipefd) < 0
1427 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1428#endif
1429 || close (pipefd [1]) < 0
1430 )
1431 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1432
1433 close_fd = pipefd [0];
1434 }
1435
1262 reinit (); 1436 reinit ();
1263} 1437}
1264 1438
1265void 1439void
1266reinit () 1440reinit ()
… …
1388 1562
1389void 1563void
1390aio_close (SV *fh, SV *callback = &PL_sv_undef) 1564aio_close (SV *fh, SV *callback = &PL_sv_undef)
1391 PPCODE: 1565 PPCODE:
1392{ 1566{
1393 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1394 int fd = s_fileno_croak (fh, 0); 1567 int fd = s_fileno_croak (fh, 0);
1395 dREQ; 1568 dREQ;
1569#if 0
1570 /* partially duplicate logic in s_fileno */
1571 SvGETMAGIC (fh);
1396 1572
1397 if (expect_false (close_fd < 0)) 1573 if (SvROK (fh))
1574 {
1575 fh = SvRV (fh);
1576 SvGETMAGIC (fh);
1577 }
1578
1579 if (SvTYPE (fh) == SVt_PVGV)
1398 { 1580 {
1399 int pipefd [2]; 1581 /* perl filehandle */
1582 PerlIOUnix_refcnt_inc (fd);
1583 do_close ((GV *)fh, 1);
1400 1584
1401 if ( 1585 req->type = EIO_CLOSE;
1402#ifdef _WIN32 1586 req->int1 = fd;
1403 _pipe (pipefd, 1, _O_BINARY) < 0 1587 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1404#else
1405 pipe (pipefd) < 0
1406 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1407#endif
1408 || close (pipefd [1]) < 0
1409 )
1410 abort (); /*D*/
1411
1412 close_fd = pipefd [0];
1413 } 1588 }
1414 1589 else
1590#endif
1591 {
1592 /* fd number */
1415 req->type = EIO_DUP2; 1593 req->type = EIO_DUP2;
1416 req->int1 = close_fd; 1594 req->int1 = close_fd;
1417 req->sv2 = newSVsv (fh); 1595 req->sv2 = newSVsv (fh);
1418 req->int2 = fd; 1596 req->int2 = fd;
1597 }
1419 1598
1420 REQ_SEND; 1599 REQ_SEND;
1421} 1600}
1422 1601
1423void 1602void
… …
1594 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1773 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1595 1774
1596 REQ_SEND; 1775 REQ_SEND;
1597} 1776}
1598 1777
1778void
1779st_xtime ()
1780 ALIAS:
1781 st_atime = 0x01
1782 st_mtime = 0x02
1783 st_ctime = 0x04
1784 st_btime = 0x08
1785 st_xtime = 0x0f
1786 PPCODE:
1787 EXTEND (SP, 4);
1788 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1789 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1790 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1791 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1792
1793void
1794st_xtimensec ()
1795 ALIAS:
1796 st_atimensec = 0x01
1797 st_mtimensec = 0x02
1798 st_ctimensec = 0x04
1799 st_btimensec = 0x08
1800 st_xtimensec = 0x0f
1801 st_btimesec = 0x10
1802 st_gen = 0x20
1803 PPCODE:
1804 EXTEND (SP, 4);
1805 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1806 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1807 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1808 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1809 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1810 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1811
1599UV 1812UV
1600major (UV dev) 1813major (UV dev)
1601 ALIAS: 1814 ALIAS:
1602 minor = 1 1815 minor = 1
1603 CODE: 1816 CODE:
… …
1719 eio_wd wd2 = 0; 1932 eio_wd wd2 = 0;
1720 dREQ; 1933 dREQ;
1721 1934
1722 req->type = ix; 1935 req->type = ix;
1723 req_set_path1 (req, oldpath); 1936 req_set_path1 (req, oldpath);
1724 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1937 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1725 req->int3 = (long)wd2; 1938 req->int3 = (long)wd2;
1726 1939
1727 REQ_SEND; 1940 REQ_SEND;
1728} 1941}
1729 1942
… …
1734 eio_wd wd2 = 0; 1947 eio_wd wd2 = 0;
1735 dREQ; 1948 dREQ;
1736 1949
1737 req->type = EIO_RENAME; 1950 req->type = EIO_RENAME;
1738 req_set_path1 (req, oldpath); 1951 req_set_path1 (req, oldpath);
1739 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1952 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1740 req->int2 = flags; 1953 req->int2 = flags;
1741 req->int3 = (long)wd2; 1954 req->int3 = (long)wd2;
1742 1955
1743 REQ_SEND; 1956 REQ_SEND;
1744} 1957}
… …
2057void 2270void
2058munmap (SV *scalar) 2271munmap (SV *scalar)
2059 CODE: 2272 CODE:
2060 sv_clear_foreign (scalar); 2273 sv_clear_foreign (scalar);
2061 2274
2275SV *
2276mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2277 CODE:
2278{
2279 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2280 void *new;
2281
2282 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2283 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2284
2285 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2286
2287 RETVAL = &PL_sv_no;
2288
2289 if (new != (void *)-1)
2290 {
2291 RETVAL = new == (void *)mg->mg_ptr
2292 ? newSVpvn ("0 but true", 10)
2293 : &PL_sv_yes;
2294
2295 mg->mg_ptr = (char *)new;
2296 mg->mg_obj = (SV *)new_length;
2297
2298 SvPVX (scalar) = mg->mg_ptr;
2299 SvCUR_set (scalar, new_length);
2300 }
2301}
2302 OUTPUT:
2303 RETVAL
2304
2062int 2305int
2063madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2306madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2064 ALIAS: 2307 ALIAS:
2065 mprotect = 1 2308 mprotect = 1
2066 CODE: 2309 CODE:
2067{ 2310{
2068 STRLEN svlen; 2311 STRLEN svlen;
… …
2089} 2332}
2090 OUTPUT: 2333 OUTPUT:
2091 RETVAL 2334 RETVAL
2092 2335
2093int 2336int
2094munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) 2337munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2095 CODE: 2338 CODE:
2096{ 2339{
2097 STRLEN svlen; 2340 STRLEN svlen;
2098 void *addr = SvPVbyte (scalar, svlen); 2341 void *addr = SvPVbyte (scalar, svlen);
2099 size_t len = SvUV (length); 2342 size_t len = SvUV (length);
… …
2114#else 2357#else
2115 RETVAL = EIO_ENOSYS (); 2358 RETVAL = EIO_ENOSYS ();
2116#endif 2359#endif
2117} 2360}
2118 OUTPUT: 2361 OUTPUT:
2362 RETVAL
2363
2364int
2365mlockall (int flags)
2366 PROTOTYPE: $;
2367 CODE:
2368 RETVAL = eio_mlockall_sync (flags);
2369 OUTPUT:
2119 RETVAL 2370 RETVAL
2120 2371
2121int 2372int
2122munlockall () 2373munlockall ()
2123 CODE: 2374 CODE:
… …
2128#endif 2379#endif
2129 OUTPUT: 2380 OUTPUT:
2130 RETVAL 2381 RETVAL
2131 2382
2132int 2383int
2384statx (SV8 *pathname, int flags, UV mask)
2385 CODE:
2386{
2387 /* undocumented, and might go away, and anyway, should use eio_statx */
2388 SV *wdsv = 0;
2389 SV *pathsv = 0;
2390 eio_wd wd = EIO_CWD;
2391 void *ptr;
2392 int res;
2393
2394 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2395 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2396
2397 SvREFCNT_dec (pathsv);
2398 SvREFCNT_dec (wdsv);
2399}
2400 OUTPUT:
2401 RETVAL
2402
2403U32
2404stx_mode ()
2405 PROTOTYPE:
2406 CODE:
2407#if HAVE_STATX
2408 RETVAL = stx.stx_mode;
2409#else
2410 XSRETURN_UNDEF;
2411#endif
2412 OUTPUT:
2413 RETVAL
2414
2415#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2416#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2417#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2418#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2419#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2420#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2421#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2422#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2423#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2424#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2425#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2426#define STATX_OFFSET_size statx_offsetof (stx_size)
2427#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2428#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2429#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2430#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2431#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2432#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2433
2434U32
2435stx_mask ()
2436 PROTOTYPE:
2437 ALIAS:
2438 stx_mask = STATX_OFFSET_mask
2439 stx_blksize = STATX_OFFSET_blksize
2440 stx_nlink = STATX_OFFSET_nlink
2441 stx_uid = STATX_OFFSET_uid
2442 stx_gid = STATX_OFFSET_gid
2443 stx_rdev_major = STATX_OFFSET_rdev_major
2444 stx_rdev_minor = STATX_OFFSET_rdev_minor
2445 stx_dev_major = STATX_OFFSET_dev_major
2446 stx_dev_minor = STATX_OFFSET_dev_minor
2447 CODE:
2448#if HAVE_STATX
2449 RETVAL = *(__u32 *)((char *)&stx + ix);
2450#else
2451 XSRETURN_UNDEF;
2452#endif
2453 OUTPUT:
2454 RETVAL
2455
2456VAL64
2457stx_attributes ()
2458 PROTOTYPE:
2459 ALIAS:
2460 stx_attributes = STATX_OFFSET_attributes
2461 stx_ino = STATX_OFFSET_ino
2462 stx_size = STATX_OFFSET_size
2463 stx_blocks = STATX_OFFSET_blocks
2464 stx_attributes_mask = STATX_OFFSET_attributes_mask
2465 CODE:
2466#if HAVE_STATX
2467 RETVAL = *(__u64 *)((char *)&stx + ix);
2468#else
2469 XSRETURN_UNDEF;
2470#endif
2471 OUTPUT:
2472 RETVAL
2473
2474NV
2475stx_atime ()
2476 PROTOTYPE:
2477 ALIAS:
2478 stx_atime = STATX_OFFSET_atime
2479 stx_btime = STATX_OFFSET_btime
2480 stx_ctime = STATX_OFFSET_ctime
2481 stx_mtime = STATX_OFFSET_mtime
2482 CODE:
2483#if HAVE_STATX
2484 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2485 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2486#else
2487 XSRETURN_UNDEF;
2488#endif
2489 OUTPUT:
2490 RETVAL
2491
2492VAL64
2493stx_atimesec ()
2494 PROTOTYPE:
2495 ALIAS:
2496 stx_atimesec = STATX_OFFSET_atime
2497 stx_btimesec = STATX_OFFSET_btime
2498 stx_ctimesec = STATX_OFFSET_ctime
2499 stx_mtimesec = STATX_OFFSET_mtime
2500 CODE:
2501#if HAVE_STATX
2502 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2503 RETVAL = ts->tv_sec;
2504#else
2505 XSRETURN_UNDEF;
2506#endif
2507 OUTPUT:
2508 RETVAL
2509
2510U32
2511stx_atimensec ()
2512 PROTOTYPE:
2513 ALIAS:
2514 stx_atimensec = STATX_OFFSET_atime
2515 stx_btimensec = STATX_OFFSET_btime
2516 stx_ctimensec = STATX_OFFSET_ctime
2517 stx_mtimensec = STATX_OFFSET_mtime
2518 CODE:
2519#if HAVE_STATX
2520 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2521 RETVAL = ts->tv_nsec;
2522#else
2523 RETVAL = 0;
2524#endif
2525 OUTPUT:
2526 RETVAL
2527
2528void
2529accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2530 PPCODE:
2531{
2532 SV *retval;
2533#if HAVE_ACCEPT4
2534 socklen_t salen_ = salen ? salen + 1 : 0;
2535
2536 if (salen)
2537 {
2538 sv_upgrade (sockaddr, SVt_PV);
2539 sv_grow (sockaddr, salen_);
2540 }
2541
2542 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2543
2544 retval = newmortalFH (res, O_RDWR);
2545
2546 if (res >= 0 && salen > 0)
2547 {
2548 if (salen_ > salen + 1)
2549 salen_ = salen + 1;
2550
2551 SvPOK_only (sockaddr);
2552 SvCUR_set (sockaddr, salen_);
2553 }
2554#else
2555 errno = ENOSYS;
2556 retval = &PL_sv_undef;
2557#endif
2558 XPUSHs (retval);
2559}
2560
2561ssize_t
2133splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) 2562splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2134 CODE: 2563 CODE:
2135{ 2564{
2136#if HAVE_LINUX_SPLICE 2565#if HAVE_LINUX_SPLICE
2137 loff_t off_in_, off_out_; 2566 loff_t off_in_, off_out_;
… …
2145#endif 2574#endif
2146} 2575}
2147 OUTPUT: 2576 OUTPUT:
2148 RETVAL 2577 RETVAL
2149 2578
2150int 2579ssize_t
2151tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) 2580tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2152 CODE: 2581 CODE:
2153#if HAVE_LINUX_SPLICE 2582#if HAVE_LINUX_SPLICE
2154 RETVAL = tee (rfh, wfh, length, flags); 2583 RETVAL = tee (rfh, wfh, length, flags);
2155#else 2584#else
… …
2198 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2627 PUSHs (newmortalFH (fd[1], O_WRONLY));
2199 } 2628 }
2200} 2629}
2201 2630
2202void 2631void
2632pidfd_open (int pid, unsigned int flags = 0)
2633 PPCODE:
2634{
2635 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2636 int fd = syscall (SYS_pidfd_open, pid, flags);
2637 XPUSHs (newmortalFH (fd, O_RDWR));
2638}
2639
2640int
2641pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2642 PPCODE:
2643{
2644 int res;
2645 siginfo_t si = { 0 };
2646
2647 if (SvOK (siginfo))
2648 {
2649 HV *hv;
2650 SV **svp;
2651
2652 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2653 croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
2654
2655 hv = (HV *)SvRV (siginfo);
2656
2657 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2658 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2659 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2660 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2661 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2662 }
2663
2664 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2665 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2666
2667 XPUSHs (sv_2mortal (newSViv (res)));
2668}
2669
2670void
2671pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2672 PPCODE:
2673{
2674 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2675 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2676 XPUSHs (newmortalFH (fd, O_RDWR));
2677}
2678
2679void
2203eventfd (unsigned int initval = 0, int flags = 0) 2680eventfd (unsigned int initval = 0, int flags = 0)
2204 PPCODE: 2681 PPCODE:
2205{ 2682{
2206 int fd; 2683 int fd;
2207#if HAVE_EVENTFD 2684#if HAVE_EVENTFD
… …
2270#else 2747#else
2271 errno = ENOSYS; 2748 errno = ENOSYS;
2272#endif 2749#endif
2273} 2750}
2274 2751
2752void
2753memfd_create (SV8 *pathname, int flags = 0)
2754 PPCODE:
2755{
2756 int fd;
2757#if HAVE_MEMFD_CREATE
2758 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2759#else
2760 fd = (errno = ENOSYS, -1);
2761#endif
2762
2763 XPUSHs (newmortalFH (fd, O_RDWR));
2764}
2765
2275UV 2766UV
2276get_fdlimit () 2767get_fdlimit ()
2277 CODE: 2768 CODE:
2278#if HAVE_RLIMITS 2769#if HAVE_RLIMITS
2279 struct rlimit rl; 2770 struct rlimit rl;
… …
2312 if (0 == setrlimit (RLIMIT_NOFILE, &rl)) 2803 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2313 XSRETURN_YES; 2804 XSRETURN_YES;
2314 2805
2315 if (errno == EPERM) 2806 if (errno == EPERM)
2316 { 2807 {
2317 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ 2808 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2318 /* our limit overflows a system-wide limit */ 2809 /* our limit overflows a system-wide limit */
2319 /* try an adaptive algorithm, but do not lower the hardlimit */ 2810 /* try an adaptive algorithm, but do not lower the hardlimit */
2320 rl.rlim_max = 0; 2811 rl.rlim_max = 0;
2321 for (bit = 0x40000000U; bit; bit >>= 1) 2812 for (bit = 0x40000000U; bit; bit >>= 1)
2322 { 2813 {
2323 rl.rlim_max |= bit; 2814 rl.rlim_max |= bit;
2324 rl.rlim_cur = rl.rlim_max; 2815 rl.rlim_cur = rl.rlim_max;
2325 2816
2326 /* nevr decrease the hard limit */ 2817 /* never decrease the hard limit */
2327 if (rl.rlim_max < orig_rlim_max) 2818 if (rl.rlim_max < orig_rlim_max)
2328 break; 2819 break;
2329 2820
2330 if (0 != setrlimit (RLIMIT_NOFILE, &rl)) 2821 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2331 rl.rlim_max &= ~bit; /* too high, remove bit again */ 2822 rl.rlim_max &= ~bit; /* too high, remove bit again */

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