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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.273 by root, Mon Mar 4 10:28:38 2019 UTC vs.
Revision 1.296 by root, Mon Sep 5 08:43:58 2022 UTC

… …
18#include <sys/socket.h> 18#include <sys/socket.h>
19#include <sys/stat.h> 19#include <sys/stat.h>
20#include <limits.h> 20#include <limits.h>
21#include <fcntl.h> 21#include <fcntl.h>
22#include <sched.h> 22#include <sched.h>
23
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__)
30# include <linux/fs.h>
31# ifdef FS_IOC_FIEMAP
32# include <linux/types.h>
33# include <linux/fiemap.h>
34# define HAVE_FIEMAP 1
35# endif
36#endif
37 23
38/* perl namespace pollution */ 24/* perl namespace pollution */
39#undef VERSION 25#undef VERSION
40 26
41/* perl stupidly overrides readdir and maybe others */ 27/* perl stupidly overrides readdir and maybe others */
… …
84 70
85#else 71#else
86 72
87 #include <sys/time.h> 73 #include <sys/time.h>
88 #include <sys/select.h> 74 #include <sys/select.h>
75 #include <sys/wait.h>
89 #include <unistd.h> 76 #include <unistd.h>
90 #include <utime.h> 77 #include <utime.h>
91 #include <signal.h> 78 #include <signal.h>
92 79
93 #define EIO_STRUCT_STAT Stat_t 80 #define EIO_STRUCT_STAT Stat_t
… …
115# include <sys/sysmacros.h> 102# include <sys/sysmacros.h>
116#endif 103#endif
117 104
118#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 105#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
119# include <sys/mman.h> 106# include <sys/mman.h>
107#endif
108
109#if HAVE_SYS_UIO_H
110# include <sys/uio.h>
111#endif
112
113/* MUST be included before linux/fs.h, as the latter includes
114 * linux/mount.h, which is incompatible to sys/mount.h
115 */
116#if HAVE_SYS_MOUNT_H
117# include <sys/mount.h>
118#endif
119
120/* the incompetent fool that created musl keeps __linux__, refuses
121 * to implement any linux standard apis, and also has no way to test
122 * for his broken implementation. don't complain to me if this fails
123 * for you.
124 */
125#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
126# include <linux/fs.h> /* MUST be included after sys/mount.h */
127# ifdef FS_IOC_FIEMAP
128# include <linux/types.h>
129# include <linux/fiemap.h>
130# undef HAVE_FIEMAP
131# define HAVE_FIEMAP 1
132# endif
120#endif 133#endif
121 134
122#if HAVE_ST_XTIMENSEC 135#if HAVE_ST_XTIMENSEC
123# define ATIMENSEC PL_statcache.st_atimensec 136# define ATIMENSEC PL_statcache.st_atimensec
124# define MTIMENSEC PL_statcache.st_mtimensec 137# define MTIMENSEC PL_statcache.st_mtimensec
… …
164 #include <sys/time.h> 177 #include <sys/time.h>
165 #include <sys/resource.h> 178 #include <sys/resource.h>
166#endif 179#endif
167 180
168typedef SV SV8; /* byte-sv, used for argument-checking */ 181typedef SV SV8; /* byte-sv, used for argument-checking */
182typedef char *octet_string;
183typedef char *octet_string_ornull;
169typedef int aio_rfd; /* read file desriptor */ 184typedef int aio_rfd; /* read file desriptor */
170typedef int aio_wfd; /* write file descriptor */ 185typedef int aio_wfd; /* write file descriptor */
171 186
172static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; 187static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
173 188
… …
222 237
223#if PAGESIZE <= 0 238#if PAGESIZE <= 0
224# define PAGESIZE sysconf (_SC_PAGESIZE) 239# define PAGESIZE sysconf (_SC_PAGESIZE)
225#endif 240#endif
226 241
242/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
243#ifdef __sun
244# undef HAVE_SYSCALL
245#endif
246
247#if HAVE_SYSCALL
248#include <sys/syscall.h>
249#else
250# define syscall(nr,...) (errno = ENOSYS, -1)
251#endif
252
227/*****************************************************************************/ 253/*****************************************************************************/
228 254
229#if !_POSIX_MAPPED_FILES 255#if !_POSIX_MAPPED_FILES
230# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1) 256# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
231# define munmap(addr,length) EIO_ENOSYS () 257# define munmap(addr,length) EIO_ENOSYS ()
… …
289}; 315};
290 316
291/*****************************************************************************/ 317/*****************************************************************************/
292 318
293/* helper: set scalar to foreign ptr with custom free */ 319/* helper: set scalar to foreign ptr with custom free */
320ecb_noinline
294static void 321static void
295sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length) 322sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
296{ 323{
297 sv_force_normal (sv); 324 sv_force_normal (sv);
298 325
… …
339 int count = req->int3; 366 int count = req->int3;
340 367
341 req->flags |= EIO_FLAG_PTR1_FREE; 368 req->flags |= EIO_FLAG_PTR1_FREE;
342 369
343 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ 370 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
344 /* increase in 3.5kb steps */ 371 /* increase in fixed steps */
345 if (count < 0) 372 if (count < 0)
346 count = 8; 373 count = 8;
347 374
348 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 375 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
349 errno = ENOMEM; 376 errno = ENOMEM;
… …
402 429
403 for (count = 0; count < incmap->fm_mapped_extents; ++count) 430 for (count = 0; count < incmap->fm_mapped_extents; ++count)
404 { 431 {
405 struct fiemap_extent *e = incmap->fm_extents + count; 432 struct fiemap_extent *e = incmap->fm_extents + count;
406 433
434 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
435
407 if (e->fe_logical + e->fe_length >= end_offset) 436 if (e->fe_logical >= end_offset)
408 goto done; 437 goto done;
409
410 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
411 438
412 if (e->fe_flags & FIEMAP_EXTENT_LAST) 439 if (e->fe_flags & FIEMAP_EXTENT_LAST)
413 goto done; 440 goto done;
414 441
415 } 442 }
… …
424} 451}
425 452
426/*****************************************************************************/ 453/*****************************************************************************/
427 454
428static int close_fd; /* dummy fd to close fds via dup2 */ 455static int close_fd; /* dummy fd to close fds via dup2 */
456
457#if HAVE_STATX
458static struct statx stx;
459#define statx_offsetof(member) offsetof (struct statx, member)
460#define eio__statx statx
461#else
462#define statx_offsetof(member) 0
463#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
464#endif
429 465
430enum { 466enum {
431 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 467 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
432}; 468};
433 469
… …
457 /* read any signals sent by the worker threads */ 493 /* read any signals sent by the worker threads */
458 s_epipe_drain (&respipe); 494 s_epipe_drain (&respipe);
459} 495}
460 496
461/* must be called at most once */ 497/* must be called at most once */
498ecb_noinline
462static SV * 499static SV *
463req_sv (aio_req req, HV *stash) 500req_sv (aio_req req, HV *stash)
464{ 501{
465 if (!req->self) 502 if (!req->self)
466 { 503 {
… …
475newSVaio_wd (aio_wd wd) 512newSVaio_wd (aio_wd wd)
476{ 513{
477 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); 514 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
478} 515}
479 516
517ecb_noinline
480static aio_req 518static aio_req
481SvAIO_REQ (SV *sv) 519SvAIO_REQ (SV *sv)
482{ 520{
483 MAGIC *mg; 521 MAGIC *mg;
484 522
… …
547 FREETMPS; 585 FREETMPS;
548 LEAVE; 586 LEAVE;
549 } 587 }
550} 588}
551 589
590ecb_noinline
552static void 591static void
553req_submit (eio_req *req) 592req_submit (eio_req *req)
554{ 593{
555 eio_submit (req); 594 eio_submit (req);
556 595
… …
883 grp->sv2 = 0; 922 grp->sv2 = 0;
884 923
885 eio_grp_cancel (grp); 924 eio_grp_cancel (grp);
886} 925}
887 926
888static void ecb_cold 927ecb_cold
928static void
889create_respipe (void) 929create_respipe (void)
890{ 930{
891 if (s_epipe_renew (&respipe)) 931 if (s_epipe_renew (&respipe))
892 croak ("IO::AIO: unable to initialize result pipe"); 932 croak ("IO::AIO: unable to initialize result pipe");
893} 933}
… …
927 967
928 poll_wait (); 968 poll_wait ();
929 } 969 }
930} 970}
931 971
932static void ecb_cold 972ecb_cold
973static void
933reinit (void) 974reinit (void)
934{ 975{
935 create_respipe (); 976 create_respipe ();
936 977
937 if (eio_init (want_poll, done_poll) < 0) 978 if (eio_init (want_poll, done_poll) < 0)
… …
945{ 986{
946 SvGETMAGIC (cb_sv); 987 SvGETMAGIC (cb_sv);
947 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 988 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
948} 989}
949 990
991ecb_noinline
950static aio_req ecb_noinline 992static aio_req ecb_noinline
951dreq (SV *callback) 993dreq (SV *callback)
952{ 994{
953 SV *cb_cv; 995 SV *cb_cv;
954 aio_req req; 996 aio_req req;
… …
976 SPAGAIN; \ 1018 SPAGAIN; \
977 \ 1019 \
978 if (GIMME_V != G_VOID) \ 1020 if (GIMME_V != G_VOID) \
979 XPUSHs (req_sv (req, aio_req_stash)); 1021 XPUSHs (req_sv (req, aio_req_stash));
980 1022
1023/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
981ecb_inline void 1024ecb_inline
1025void
982req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) 1026req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
983{ 1027{
984 if (expect_false (SvROK (path))) 1028 if (expect_false (SvROK (path)))
985 { 1029 {
986 SV *rv = SvRV (path); 1030 SV *rv = SvRV (path);
987 SV *wdob; 1031 SV *wdob;
… …
1012 1056
1013 *pathsv = newSVsv (path); 1057 *pathsv = newSVsv (path);
1014 *ptr = SvPVbyte_nolen (*pathsv); 1058 *ptr = SvPVbyte_nolen (*pathsv);
1015} 1059}
1016 1060
1017static void ecb_noinline 1061ecb_noinline
1062static void
1018req_set_path1 (aio_req req, SV *path) 1063req_set_path1 (aio_req req, SV *path)
1019{ 1064{
1020 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); 1065 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1021} 1066}
1022 1067
1023static void ecb_noinline 1068ecb_noinline
1069static void
1024req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) 1070req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1025{ 1071{
1026 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; 1072 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1027 1073
1028 switch (SvTYPE (rv)) 1074 switch (SvTYPE (rv))
… …
1053 1099
1054static NV 1100static NV
1055ts_get (const struct timespec *ts) 1101ts_get (const struct timespec *ts)
1056{ 1102{
1057 return ts->tv_sec + ts->tv_nsec * 1e-9; 1103 return ts->tv_sec + ts->tv_nsec * 1e-9;
1104}
1105
1106/*****************************************************************************/
1107
1108/* extract a ref-to-array of strings into a temporary c style string vector */
1109static char **
1110extract_stringvec (SV *sv, const char *croakmsg)
1111{
1112 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
1113 croak (croakmsg);
1114
1115 AV *av = (AV *)SvRV (sv);
1116 int i, nelem = av_len (av) + 1;
1117 char **vecp = (char **)SvPVX (sv_2mortal (newSV (sizeof (char *) * (nelem + 1))));
1118
1119 for (i = 0; i < nelem; ++i)
1120 {
1121 SV **e = av_fetch (av, i, 0);
1122
1123 if (e && *e)
1124 vecp[i] = SvPVbyte_nolen (*e);
1125 else
1126 vecp[i] = "";
1127 }
1128
1129 vecp[nelem] = 0;
1130
1131 return vecp;
1058} 1132}
1059 1133
1060/*****************************************************************************/ 1134/*****************************************************************************/
1061 1135
1062XS(boot_IO__AIO) ecb_cold; 1136XS(boot_IO__AIO) ecb_cold;
… …
1167 const_iv (MAP_NONBLOCK) 1241 const_iv (MAP_NONBLOCK)
1168 const_iv (MAP_GROWSDOWN) 1242 const_iv (MAP_GROWSDOWN)
1169 const_iv (MAP_32BIT) 1243 const_iv (MAP_32BIT)
1170 const_iv (MAP_HUGETLB) 1244 const_iv (MAP_HUGETLB)
1171 const_iv (MAP_STACK) 1245 const_iv (MAP_STACK)
1246 const_iv (MAP_FIXED_NOREPLACE)
1247 const_iv (MAP_SHARED_VALIDATE)
1248 const_iv (MAP_SYNC)
1249 const_iv (MAP_UNINITIALIZED)
1172 1250
1173 const_iv (MREMAP_MAYMOVE) 1251 const_iv (MREMAP_MAYMOVE)
1174 const_iv (MREMAP_FIXED) 1252 const_iv (MREMAP_FIXED)
1175 1253
1176 const_iv (F_DUPFD_CLOEXEC)
1177
1178 const_iv (MSG_CMSG_CLOEXEC) 1254 const_iv (MSG_CMSG_CLOEXEC)
1179 const_iv (SOCK_CLOEXEC) 1255 const_iv (SOCK_CLOEXEC)
1256
1257 const_iv (F_DUPFD_CLOEXEC)
1258
1259 const_iv (F_ADD_SEALS)
1260 const_iv (F_GET_SEALS)
1261 const_iv (F_SEAL_SEAL)
1262 const_iv (F_SEAL_SHRINK)
1263 const_iv (F_SEAL_GROW)
1264 const_iv (F_SEAL_WRITE)
1180 1265
1181 const_iv (F_OFD_GETLK) 1266 const_iv (F_OFD_GETLK)
1182 const_iv (F_OFD_SETLK) 1267 const_iv (F_OFD_SETLK)
1183 const_iv (F_OFD_GETLKW) 1268 const_iv (F_OFD_GETLKW)
1184 1269
… …
1261 1346
1262 const_iv (EFD_CLOEXEC) 1347 const_iv (EFD_CLOEXEC)
1263 const_iv (EFD_NONBLOCK) 1348 const_iv (EFD_NONBLOCK)
1264 const_iv (EFD_SEMAPHORE) 1349 const_iv (EFD_SEMAPHORE)
1265 1350
1351 const_iv (MFD_CLOEXEC)
1352 const_iv (MFD_ALLOW_SEALING)
1353 const_iv (MFD_HUGETLB)
1354 const_iv (MFD_HUGETLB_2MB)
1355 const_iv (MFD_HUGETLB_1GB)
1356
1266 const_iv (CLOCK_REALTIME) 1357 const_iv (CLOCK_REALTIME)
1267 const_iv (CLOCK_MONOTONIC) 1358 const_iv (CLOCK_MONOTONIC)
1268 const_iv (CLOCK_BOOTTIME) 1359 const_iv (CLOCK_BOOTTIME)
1269 const_iv (CLOCK_REALTIME_ALARM) 1360 const_iv (CLOCK_REALTIME_ALARM)
1270 const_iv (CLOCK_BOOTTIME_ALARM) 1361 const_iv (CLOCK_BOOTTIME_ALARM)
… …
1272 const_iv (TFD_NONBLOCK) 1363 const_iv (TFD_NONBLOCK)
1273 const_iv (TFD_CLOEXEC) 1364 const_iv (TFD_CLOEXEC)
1274 1365
1275 const_iv (TFD_TIMER_ABSTIME) 1366 const_iv (TFD_TIMER_ABSTIME)
1276 const_iv (TFD_TIMER_CANCEL_ON_SET) 1367 const_iv (TFD_TIMER_CANCEL_ON_SET)
1368
1369 const_iv (STATX_TYPE)
1370 const_iv (STATX_MODE)
1371 const_iv (STATX_NLINK)
1372 const_iv (STATX_UID)
1373 const_iv (STATX_GID)
1374 const_iv (STATX_ATIME)
1375 const_iv (STATX_MTIME)
1376 const_iv (STATX_CTIME)
1377 const_iv (STATX_INO)
1378 const_iv (STATX_SIZE)
1379 const_iv (STATX_BLOCKS)
1380 const_iv (STATX_BASIC_STATS)
1381 const_iv (STATX_ALL)
1382 const_iv (STATX_BTIME)
1383 const_iv (STATX_ATTR_COMPRESSED)
1384 const_iv (STATX_ATTR_IMMUTABLE)
1385 const_iv (STATX_ATTR_APPEND)
1386 const_iv (STATX_ATTR_NODUMP)
1387 const_iv (STATX_ATTR_ENCRYPTED)
1388 const_iv (STATX_ATTR_AUTOMOUNT)
1389
1390 const_iv (AT_FDCWD)
1391 const_iv (AT_SYMLINK_NOFOLLOW)
1392 const_iv (AT_EACCESS)
1393 const_iv (AT_REMOVEDIR)
1394 const_iv (AT_SYMLINK_FOLLOW)
1395 const_iv (AT_NO_AUTOMOUNT)
1396 const_iv (AT_EMPTY_PATH)
1397 const_iv (AT_STATX_SYNC_TYPE)
1398 const_iv (AT_STATX_AS_STAT)
1399 const_iv (AT_STATX_FORCE_SYNC)
1400 const_iv (AT_STATX_DONT_SYNC)
1401 const_iv (AT_RECURSIVE)
1402
1403 const_iv (OPEN_TREE_CLONE)
1404
1405 const_iv (FSOPEN_CLOEXEC)
1406
1407 const_iv (FSPICK_CLOEXEC)
1408 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1409 const_iv (FSPICK_NO_AUTOMOUNT)
1410 const_iv (FSPICK_EMPTY_PATH)
1411
1412 const_iv (MOVE_MOUNT_F_SYMLINKS)
1413 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1414 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1415 const_iv (MOVE_MOUNT_T_SYMLINKS)
1416 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1417 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1418
1419 /* waitid */
1420 const_iv (P_PID)
1421 const_iv (P_PIDFD)
1422 const_iv (P_PGID)
1423 const_iv (P_ALL)
1424
1425 const_iv (FSCONFIG_SET_FLAG)
1426 const_iv (FSCONFIG_SET_STRING)
1427 const_iv (FSCONFIG_SET_BINARY)
1428 const_iv (FSCONFIG_SET_PATH)
1429 const_iv (FSCONFIG_SET_PATH_EMPTY)
1430 const_iv (FSCONFIG_SET_FD)
1431 const_iv (FSCONFIG_CMD_CREATE)
1432 const_iv (FSCONFIG_CMD_RECONFIGURE)
1433
1434 const_iv (MOUNT_ATTR_RDONLY)
1435 const_iv (MOUNT_ATTR_NOSUID)
1436 const_iv (MOUNT_ATTR_NODEV)
1437 const_iv (MOUNT_ATTR_NOEXEC)
1438 const_iv (MOUNT_ATTR__ATIME)
1439 const_iv (MOUNT_ATTR_RELATIME)
1440 const_iv (MOUNT_ATTR_NOATIME)
1441 const_iv (MOUNT_ATTR_STRICTATIME)
1442 const_iv (MOUNT_ATTR_NODIRATIME)
1443
1444 /* sys/mount.h */
1445 const_iv (MS_RDONLY)
1446 const_iv (MS_NOSUID)
1447 const_iv (MS_NODEV)
1448 const_iv (MS_NOEXEC)
1449 const_iv (MS_SYNCHRONOUS)
1450 const_iv (MS_REMOUNT)
1451 const_iv (MS_MANDLOCK)
1452 const_iv (MS_DIRSYNC)
1453 const_iv (MS_NOATIME)
1454 const_iv (MS_NODIRATIME)
1455 const_iv (MS_BIND)
1456 const_iv (MS_MOVE)
1457 const_iv (MS_REC)
1458 const_iv (MS_SILENT)
1459 const_iv (MS_POSIXACL)
1460 const_iv (MS_UNBINDABLE)
1461 const_iv (MS_PRIVATE)
1462 const_iv (MS_SLAVE)
1463 const_iv (MS_SHARED)
1464 const_iv (MS_RELATIME)
1465 const_iv (MS_KERNMOUNT)
1466 const_iv (MS_I_VERSION)
1467 const_iv (MS_STRICTATIME)
1468 const_iv (MS_LAZYTIME)
1469 const_iv (MS_ACTIVE)
1470 const_iv (MS_NOUSER)
1471 const_iv (MS_RMT_MASK)
1472 const_iv (MS_MGC_VAL)
1473 const_iv (MS_MGC_MSK)
1474
1475 const_iv (MNT_FORCE)
1476 const_iv (MNT_DETACH)
1477 const_iv (MNT_EXPIRE)
1478 const_iv (UMOUNT_NOFOLLOW)
1479
1480 const_iv (BLKROSET)
1481 const_iv (BLKROGET)
1482 const_iv (BLKRRPART)
1483 const_iv (BLKGETSIZE)
1484 const_iv (BLKFLSBUF)
1485 const_iv (BLKRASET)
1486 const_iv (BLKRAGET)
1487 const_iv (BLKFRASET)
1488 const_iv (BLKFRAGET)
1489 const_iv (BLKSECTSET)
1490 const_iv (BLKSECTGET)
1491 const_iv (BLKSSZGET)
1492 const_iv (BLKBSZGET)
1493 const_iv (BLKBSZSET)
1494 const_iv (BLKGETSIZE64)
1277 1495
1278 /* these are libeio constants, and are independent of gendef0 */ 1496 /* these are libeio constants, and are independent of gendef0 */
1279 const_eio (SEEK_SET) 1497 const_eio (SEEK_SET)
1280 const_eio (SEEK_CUR) 1498 const_eio (SEEK_CUR)
1281 const_eio (SEEK_END) 1499 const_eio (SEEK_END)
… …
1848 eio_wd wd2 = 0; 2066 eio_wd wd2 = 0;
1849 dREQ; 2067 dREQ;
1850 2068
1851 req->type = ix; 2069 req->type = ix;
1852 req_set_path1 (req, oldpath); 2070 req_set_path1 (req, oldpath);
1853 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 2071 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1854 req->int3 = (long)wd2; 2072 req->int3 = (long)wd2;
1855 2073
1856 REQ_SEND; 2074 REQ_SEND;
1857} 2075}
1858 2076
… …
1863 eio_wd wd2 = 0; 2081 eio_wd wd2 = 0;
1864 dREQ; 2082 dREQ;
1865 2083
1866 req->type = EIO_RENAME; 2084 req->type = EIO_RENAME;
1867 req_set_path1 (req, oldpath); 2085 req_set_path1 (req, oldpath);
1868 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 2086 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1869 req->int2 = flags; 2087 req->int2 = flags;
1870 req->int3 = (long)wd2; 2088 req->int3 = (long)wd2;
1871 2089
1872 REQ_SEND; 2090 REQ_SEND;
1873} 2091}
… …
2295#endif 2513#endif
2296 OUTPUT: 2514 OUTPUT:
2297 RETVAL 2515 RETVAL
2298 2516
2299int 2517int
2518statx (SV8 *pathname, int flags, UV mask)
2519 CODE:
2520{
2521 /* undocumented, and might go away, and anyway, should use eio_statx */
2522 SV *wdsv = 0;
2523 SV *pathsv = 0;
2524 eio_wd wd = EIO_CWD;
2525 void *ptr;
2526 int res;
2527
2528 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2529 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2530
2531 SvREFCNT_dec (pathsv);
2532 SvREFCNT_dec (wdsv);
2533}
2534 OUTPUT:
2535 RETVAL
2536
2537U32
2538stx_mode ()
2539 PROTOTYPE:
2540 CODE:
2541#if HAVE_STATX
2542 RETVAL = stx.stx_mode;
2543#else
2544 XSRETURN_UNDEF;
2545#endif
2546 OUTPUT:
2547 RETVAL
2548
2549#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2550#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2551#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2552#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2553#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2554#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2555#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2556#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2557#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2558#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2559#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2560#define STATX_OFFSET_size statx_offsetof (stx_size)
2561#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2562#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2563#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2564#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2565#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2566#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2567
2568U32
2569stx_mask ()
2570 PROTOTYPE:
2571 ALIAS:
2572 stx_mask = STATX_OFFSET_mask
2573 stx_blksize = STATX_OFFSET_blksize
2574 stx_nlink = STATX_OFFSET_nlink
2575 stx_uid = STATX_OFFSET_uid
2576 stx_gid = STATX_OFFSET_gid
2577 stx_rdev_major = STATX_OFFSET_rdev_major
2578 stx_rdev_minor = STATX_OFFSET_rdev_minor
2579 stx_dev_major = STATX_OFFSET_dev_major
2580 stx_dev_minor = STATX_OFFSET_dev_minor
2581 CODE:
2582#if HAVE_STATX
2583 RETVAL = *(__u32 *)((char *)&stx + ix);
2584#else
2585 XSRETURN_UNDEF;
2586#endif
2587 OUTPUT:
2588 RETVAL
2589
2590VAL64
2591stx_attributes ()
2592 PROTOTYPE:
2593 ALIAS:
2594 stx_attributes = STATX_OFFSET_attributes
2595 stx_ino = STATX_OFFSET_ino
2596 stx_size = STATX_OFFSET_size
2597 stx_blocks = STATX_OFFSET_blocks
2598 stx_attributes_mask = STATX_OFFSET_attributes_mask
2599 CODE:
2600#if HAVE_STATX
2601 RETVAL = *(__u64 *)((char *)&stx + ix);
2602#else
2603 XSRETURN_UNDEF;
2604#endif
2605 OUTPUT:
2606 RETVAL
2607
2608NV
2609stx_atime ()
2610 PROTOTYPE:
2611 ALIAS:
2612 stx_atime = STATX_OFFSET_atime
2613 stx_btime = STATX_OFFSET_btime
2614 stx_ctime = STATX_OFFSET_ctime
2615 stx_mtime = STATX_OFFSET_mtime
2616 CODE:
2617#if HAVE_STATX
2618 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2619 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2620#else
2621 XSRETURN_UNDEF;
2622#endif
2623 OUTPUT:
2624 RETVAL
2625
2626VAL64
2627stx_atimesec ()
2628 PROTOTYPE:
2629 ALIAS:
2630 stx_atimesec = STATX_OFFSET_atime
2631 stx_btimesec = STATX_OFFSET_btime
2632 stx_ctimesec = STATX_OFFSET_ctime
2633 stx_mtimesec = STATX_OFFSET_mtime
2634 CODE:
2635#if HAVE_STATX
2636 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2637 RETVAL = ts->tv_sec;
2638#else
2639 XSRETURN_UNDEF;
2640#endif
2641 OUTPUT:
2642 RETVAL
2643
2644U32
2645stx_atimensec ()
2646 PROTOTYPE:
2647 ALIAS:
2648 stx_atimensec = STATX_OFFSET_atime
2649 stx_btimensec = STATX_OFFSET_btime
2650 stx_ctimensec = STATX_OFFSET_ctime
2651 stx_mtimensec = STATX_OFFSET_mtime
2652 CODE:
2653#if HAVE_STATX
2654 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2655 RETVAL = ts->tv_nsec;
2656#else
2657 RETVAL = 0;
2658#endif
2659 OUTPUT:
2660 RETVAL
2661
2662void
2663accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2664 PPCODE:
2665{
2666 SV *retval;
2667#if HAVE_ACCEPT4
2668 socklen_t salen_ = salen ? salen + 1 : 0;
2669
2670 if (salen)
2671 {
2672 sv_upgrade (sockaddr, SVt_PV);
2673 sv_grow (sockaddr, salen_);
2674 }
2675
2676 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2677
2678 retval = newmortalFH (res, O_RDWR);
2679
2680 if (res >= 0 && salen > 0)
2681 {
2682 if (salen_ > salen + 1)
2683 salen_ = salen + 1;
2684
2685 SvPOK_only (sockaddr);
2686 SvCUR_set (sockaddr, salen_);
2687 }
2688#else
2689 errno = ENOSYS;
2690 retval = &PL_sv_undef;
2691#endif
2692 XPUSHs (retval);
2693}
2694
2695ssize_t
2300splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) 2696splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2301 CODE: 2697 CODE:
2302{ 2698{
2303#if HAVE_LINUX_SPLICE 2699#if HAVE_LINUX_SPLICE
2304 loff_t off_in_, off_out_; 2700 loff_t off_in_, off_out_;
… …
2312#endif 2708#endif
2313} 2709}
2314 OUTPUT: 2710 OUTPUT:
2315 RETVAL 2711 RETVAL
2316 2712
2317int 2713ssize_t
2318tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) 2714tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2319 CODE: 2715 CODE:
2320#if HAVE_LINUX_SPLICE 2716#if HAVE_LINUX_SPLICE
2321 RETVAL = tee (rfh, wfh, length, flags); 2717 RETVAL = tee (rfh, wfh, length, flags);
2322#else 2718#else
… …
2365 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2761 PUSHs (newmortalFH (fd[1], O_WRONLY));
2366 } 2762 }
2367} 2763}
2368 2764
2369void 2765void
2766pidfd_open (int pid, unsigned int flags = 0)
2767 PPCODE:
2768{
2769 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2770 int fd = syscall (SYS_pidfd_open, pid, flags);
2771 XPUSHs (newmortalFH (fd, O_RDWR));
2772}
2773
2774int
2775pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2776 PPCODE:
2777{
2778 int res;
2779#if HAVE_SIGINFO_T
2780 siginfo_t si = { 0 };
2781
2782 if (SvOK (siginfo))
2783 {
2784 HV *hv;
2785 SV **svp;
2786
2787 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2788 croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught");
2789
2790 hv = (HV *)SvRV (siginfo);
2791
2792 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2793 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2794 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2795 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2796 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2797 }
2798
2799 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2800 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2801#else
2802 res = (errno = ENOSYS, -1);
2803#endif
2804
2805 XPUSHs (sv_2mortal (newSViv (res)));
2806}
2807
2808void
2809pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2810 PPCODE:
2811{
2812 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2813 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2814 XPUSHs (newmortalFH (fd, O_RDWR));
2815}
2816
2817void
2370eventfd (unsigned int initval = 0, int flags = 0) 2818eventfd (unsigned int initval = 0, int flags = 0)
2371 PPCODE: 2819 PPCODE:
2372{ 2820{
2373 int fd; 2821 int fd;
2374#if HAVE_EVENTFD 2822#if HAVE_EVENTFD
… …
2437#else 2885#else
2438 errno = ENOSYS; 2886 errno = ENOSYS;
2439#endif 2887#endif
2440} 2888}
2441 2889
2890void
2891memfd_create (octet_string pathname, int flags = 0)
2892 PPCODE:
2893{
2894 int fd;
2895#if HAVE_MEMFD_CREATE
2896 fd = memfd_create (pathname, flags);
2897#else
2898 fd = (errno = ENOSYS, -1);
2899#endif
2900
2901 XPUSHs (newmortalFH (fd, O_RDWR));
2902}
2903
2904int
2905fexecve (SV *fh, SV *args, SV *envs = &PL_sv_undef)
2906 CODE:
2907{
2908 int fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
2909 char **envp, **argv;
2910 argv = extract_stringvec (args, "IO::AIO::fexecve: args must be an array of strings");
2911 if (!SvOK (envs))
2912 {
2913 extern char **environ;
2914 envp = environ;
2915 }
2916 else
2917 envp = extract_stringvec (envs, "IO::AIO::fexecve: envs must be an array of strings");
2918#if _POSIX_VERSION >= 200809L
2919 RETVAL = fexecve (fd, argv, envp);
2920#else
2921 RETVAL = (errno = ENOSYS, -1);
2922#endif
2923}
2924 OUTPUT: RETVAL
2925
2926int
2927mount (octet_string special, octet_string path, octet_string fstype, UV flags = 0, octet_string_ornull data = 0)
2928 OUTPUT: RETVAL
2929
2930int
2931umount (octet_string path, int flags = 0)
2932 CODE:
2933 if (flags)
2934#if HAVE_UMOUNT2
2935 RETVAL = umount2 (path, flags);
2936#else
2937 RETVAL = (errno = ENOSYS, -1);
2938#endif
2939 else
2940 RETVAL = umount (path);
2941 OUTPUT: RETVAL
2942
2442UV 2943UV
2443get_fdlimit () 2944get_fdlimit ()
2444 CODE: 2945 CODE:
2445#if HAVE_RLIMITS 2946#if HAVE_RLIMITS
2446 struct rlimit rl; 2947 struct rlimit rl;
… …
2479 if (0 == setrlimit (RLIMIT_NOFILE, &rl)) 2980 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2480 XSRETURN_YES; 2981 XSRETURN_YES;
2481 2982
2482 if (errno == EPERM) 2983 if (errno == EPERM)
2483 { 2984 {
2484 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ 2985 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2485 /* our limit overflows a system-wide limit */ 2986 /* our limit overflows a system-wide limit */
2486 /* try an adaptive algorithm, but do not lower the hardlimit */ 2987 /* try an adaptive algorithm, but do not lower the hardlimit */
2487 rl.rlim_max = 0; 2988 rl.rlim_max = 0;
2488 for (bit = 0x40000000U; bit; bit >>= 1) 2989 for (bit = 0x40000000U; bit; bit >>= 1)
2489 { 2990 {
2490 rl.rlim_max |= bit; 2991 rl.rlim_max |= bit;
2491 rl.rlim_cur = rl.rlim_max; 2992 rl.rlim_cur = rl.rlim_max;
2492 2993
2493 /* nevr decrease the hard limit */ 2994 /* never decrease the hard limit */
2494 if (rl.rlim_max < orig_rlim_max) 2995 if (rl.rlim_max < orig_rlim_max)
2495 break; 2996 break;
2496 2997
2497 if (0 != setrlimit (RLIMIT_NOFILE, &rl)) 2998 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2498 rl.rlim_max &= ~bit; /* too high, remove bit again */ 2999 rl.rlim_max &= ~bit; /* too high, remove bit again */

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