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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.270 by root, Thu Nov 29 21:51:22 2018 UTC vs.
Revision 1.288 by root, Tue Dec 29 18:00:40 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"
8 9
9#if !defined mg_findext 10#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type) 11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif 12#endif
12 13
… …
83 84
84#else 85#else
85 86
86 #include <sys/time.h> 87 #include <sys/time.h>
87 #include <sys/select.h> 88 #include <sys/select.h>
89 #include <sys/wait.h>
88 #include <unistd.h> 90 #include <unistd.h>
89 #include <utime.h> 91 #include <utime.h>
90 #include <signal.h> 92 #include <signal.h>
91 93
92 #define EIO_STRUCT_STAT Stat_t 94 #define EIO_STRUCT_STAT Stat_t
… …
114# include <sys/sysmacros.h> 116# include <sys/sysmacros.h>
115#endif 117#endif
116 118
117#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 119#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
118# include <sys/mman.h> 120# include <sys/mman.h>
121#endif
122
123#if HAVE_SYS_UIO_H
124# include <sys/uio.h>
119#endif 125#endif
120 126
121#if HAVE_ST_XTIMENSEC 127#if HAVE_ST_XTIMENSEC
122# define ATIMENSEC PL_statcache.st_atimensec 128# define ATIMENSEC PL_statcache.st_atimensec
123# define MTIMENSEC PL_statcache.st_mtimensec 129# define MTIMENSEC PL_statcache.st_mtimensec
… …
221 227
222#if PAGESIZE <= 0 228#if PAGESIZE <= 0
223# define PAGESIZE sysconf (_SC_PAGESIZE) 229# define PAGESIZE sysconf (_SC_PAGESIZE)
224#endif 230#endif
225 231
232#if HAVE_SYSCALL
233#include <sys/syscall.h>
234#else
235# define syscall(nr,...) (errno = ENOSYS, -1)
236#endif
237
226/*****************************************************************************/ 238/*****************************************************************************/
227 239
228#if !_POSIX_MAPPED_FILES 240#if !_POSIX_MAPPED_FILES
229# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1) 241# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
230# define munmap(addr,length) EIO_ENOSYS () 242# define munmap(addr,length) EIO_ENOSYS ()
… …
288}; 300};
289 301
290/*****************************************************************************/ 302/*****************************************************************************/
291 303
292/* helper: set scalar to foreign ptr with custom free */ 304/* helper: set scalar to foreign ptr with custom free */
305ecb_noinline
293static void 306static void
294sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length) 307sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
295{ 308{
296 sv_force_normal (sv); 309 sv_force_normal (sv);
297 310
… …
338 int count = req->int3; 351 int count = req->int3;
339 352
340 req->flags |= EIO_FLAG_PTR1_FREE; 353 req->flags |= EIO_FLAG_PTR1_FREE;
341 354
342 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ 355 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
343 /* increase in 3.5kb steps */ 356 /* increase in fixed steps */
344 if (count < 0) 357 if (count < 0)
345 count = 8; 358 count = 8;
346 359
347 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 360 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
348 errno = ENOMEM; 361 errno = ENOMEM;
… …
401 414
402 for (count = 0; count < incmap->fm_mapped_extents; ++count) 415 for (count = 0; count < incmap->fm_mapped_extents; ++count)
403 { 416 {
404 struct fiemap_extent *e = incmap->fm_extents + count; 417 struct fiemap_extent *e = incmap->fm_extents + count;
405 418
419 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
420
406 if (e->fe_logical + e->fe_length >= end_offset) 421 if (e->fe_logical >= end_offset)
407 goto done; 422 goto done;
408
409 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
410 423
411 if (e->fe_flags & FIEMAP_EXTENT_LAST) 424 if (e->fe_flags & FIEMAP_EXTENT_LAST)
412 goto done; 425 goto done;
413 426
414 } 427 }
… …
423} 436}
424 437
425/*****************************************************************************/ 438/*****************************************************************************/
426 439
427static int close_fd; /* dummy fd to close fds via dup2 */ 440static int close_fd; /* dummy fd to close fds via dup2 */
441
442#if HAVE_STATX
443static struct statx stx;
444#define statx_offsetof(member) offsetof (struct statx, member)
445#define eio__statx statx
446#else
447#define statx_offsetof(member) 0
448#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
449#endif
428 450
429enum { 451enum {
430 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 452 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
431}; 453};
432 454
… …
456 /* read any signals sent by the worker threads */ 478 /* read any signals sent by the worker threads */
457 s_epipe_drain (&respipe); 479 s_epipe_drain (&respipe);
458} 480}
459 481
460/* must be called at most once */ 482/* must be called at most once */
483ecb_noinline
461static SV * 484static SV *
462req_sv (aio_req req, HV *stash) 485req_sv (aio_req req, HV *stash)
463{ 486{
464 if (!req->self) 487 if (!req->self)
465 { 488 {
… …
474newSVaio_wd (aio_wd wd) 497newSVaio_wd (aio_wd wd)
475{ 498{
476 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); 499 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
477} 500}
478 501
502ecb_noinline
479static aio_req 503static aio_req
480SvAIO_REQ (SV *sv) 504SvAIO_REQ (SV *sv)
481{ 505{
482 MAGIC *mg; 506 MAGIC *mg;
483 507
… …
546 FREETMPS; 570 FREETMPS;
547 LEAVE; 571 LEAVE;
548 } 572 }
549} 573}
550 574
575ecb_noinline
551static void 576static void
552req_submit (eio_req *req) 577req_submit (eio_req *req)
553{ 578{
554 eio_submit (req); 579 eio_submit (req);
555 580
… …
816 } 841 }
817 else 842 else
818 PUSHs (sv_result); 843 PUSHs (sv_result);
819 break; 844 break;
820 845
846#if 0
847 case EIO_CLOSE:
848 PerlIOUnix_refcnt_dec (req->int1);
849 break;
850#endif
851
821 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 852 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
822 if (req->result > 0) 853 if (req->result > 0)
823 SvIV_set (sv_result, 0); 854 SvIV_set (sv_result, 0);
824 /* FALLTHROUGH */ 855 /* FALLTHROUGH */
825 856
… …
876 grp->sv2 = 0; 907 grp->sv2 = 0;
877 908
878 eio_grp_cancel (grp); 909 eio_grp_cancel (grp);
879} 910}
880 911
881static void ecb_cold 912ecb_cold
913static void
882create_respipe (void) 914create_respipe (void)
883{ 915{
884 if (s_epipe_renew (&respipe)) 916 if (s_epipe_renew (&respipe))
885 croak ("IO::AIO: unable to initialize result pipe"); 917 croak ("IO::AIO: unable to initialize result pipe");
886} 918}
… …
920 952
921 poll_wait (); 953 poll_wait ();
922 } 954 }
923} 955}
924 956
925static void ecb_cold 957ecb_cold
958static void
926reinit (void) 959reinit (void)
927{ 960{
928 create_respipe (); 961 create_respipe ();
929 962
930 if (eio_init (want_poll, done_poll) < 0) 963 if (eio_init (want_poll, done_poll) < 0)
… …
938{ 971{
939 SvGETMAGIC (cb_sv); 972 SvGETMAGIC (cb_sv);
940 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 973 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
941} 974}
942 975
976ecb_noinline
943static aio_req ecb_noinline 977static aio_req ecb_noinline
944dreq (SV *callback) 978dreq (SV *callback)
945{ 979{
946 SV *cb_cv; 980 SV *cb_cv;
947 aio_req req; 981 aio_req req;
… …
969 SPAGAIN; \ 1003 SPAGAIN; \
970 \ 1004 \
971 if (GIMME_V != G_VOID) \ 1005 if (GIMME_V != G_VOID) \
972 XPUSHs (req_sv (req, aio_req_stash)); 1006 XPUSHs (req_sv (req, aio_req_stash));
973 1007
1008/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
974ecb_inline void 1009ecb_inline
1010void
975req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) 1011req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
976{ 1012{
977 if (expect_false (SvROK (path))) 1013 if (expect_false (SvROK (path)))
978 { 1014 {
979 SV *rv = SvRV (path); 1015 SV *rv = SvRV (path);
980 SV *wdob; 1016 SV *wdob;
… …
1005 1041
1006 *pathsv = newSVsv (path); 1042 *pathsv = newSVsv (path);
1007 *ptr = SvPVbyte_nolen (*pathsv); 1043 *ptr = SvPVbyte_nolen (*pathsv);
1008} 1044}
1009 1045
1010static void ecb_noinline 1046ecb_noinline
1047static void
1011req_set_path1 (aio_req req, SV *path) 1048req_set_path1 (aio_req req, SV *path)
1012{ 1049{
1013 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); 1050 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1014} 1051}
1015 1052
1016static void ecb_noinline 1053ecb_noinline
1054static void
1017req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) 1055req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1018{ 1056{
1019 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; 1057 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1020 1058
1021 switch (SvTYPE (rv)) 1059 switch (SvTYPE (rv))
… …
1164 const_iv (MAP_STACK) 1202 const_iv (MAP_STACK)
1165 1203
1166 const_iv (MREMAP_MAYMOVE) 1204 const_iv (MREMAP_MAYMOVE)
1167 const_iv (MREMAP_FIXED) 1205 const_iv (MREMAP_FIXED)
1168 1206
1169 const_iv (F_DUPFD_CLOEXEC)
1170
1171 const_iv (MSG_CMSG_CLOEXEC) 1207 const_iv (MSG_CMSG_CLOEXEC)
1172 const_iv (SOCK_CLOEXEC) 1208 const_iv (SOCK_CLOEXEC)
1209
1210 const_iv (F_DUPFD_CLOEXEC)
1211
1212 const_iv (F_ADD_SEALS)
1213 const_iv (F_GET_SEALS)
1214 const_iv (F_SEAL_SEAL)
1215 const_iv (F_SEAL_SHRINK)
1216 const_iv (F_SEAL_GROW)
1217 const_iv (F_SEAL_WRITE)
1173 1218
1174 const_iv (F_OFD_GETLK) 1219 const_iv (F_OFD_GETLK)
1175 const_iv (F_OFD_SETLK) 1220 const_iv (F_OFD_SETLK)
1176 const_iv (F_OFD_GETLKW) 1221 const_iv (F_OFD_GETLKW)
1177 1222
… …
1254 1299
1255 const_iv (EFD_CLOEXEC) 1300 const_iv (EFD_CLOEXEC)
1256 const_iv (EFD_NONBLOCK) 1301 const_iv (EFD_NONBLOCK)
1257 const_iv (EFD_SEMAPHORE) 1302 const_iv (EFD_SEMAPHORE)
1258 1303
1304 const_iv (MFD_CLOEXEC)
1305 const_iv (MFD_ALLOW_SEALING)
1306 const_iv (MFD_HUGETLB)
1307
1259 const_iv (CLOCK_REALTIME) 1308 const_iv (CLOCK_REALTIME)
1260 const_iv (CLOCK_MONOTONIC) 1309 const_iv (CLOCK_MONOTONIC)
1261 const_iv (CLOCK_BOOTTIME) 1310 const_iv (CLOCK_BOOTTIME)
1262 const_iv (CLOCK_REALTIME_ALARM) 1311 const_iv (CLOCK_REALTIME_ALARM)
1263 const_iv (CLOCK_BOOTTIME_ALARM) 1312 const_iv (CLOCK_BOOTTIME_ALARM)
… …
1265 const_iv (TFD_NONBLOCK) 1314 const_iv (TFD_NONBLOCK)
1266 const_iv (TFD_CLOEXEC) 1315 const_iv (TFD_CLOEXEC)
1267 1316
1268 const_iv (TFD_TIMER_ABSTIME) 1317 const_iv (TFD_TIMER_ABSTIME)
1269 const_iv (TFD_TIMER_CANCEL_ON_SET) 1318 const_iv (TFD_TIMER_CANCEL_ON_SET)
1319
1320 const_iv (STATX_TYPE)
1321 const_iv (STATX_MODE)
1322 const_iv (STATX_NLINK)
1323 const_iv (STATX_UID)
1324 const_iv (STATX_GID)
1325 const_iv (STATX_ATIME)
1326 const_iv (STATX_MTIME)
1327 const_iv (STATX_CTIME)
1328 const_iv (STATX_INO)
1329 const_iv (STATX_SIZE)
1330 const_iv (STATX_BLOCKS)
1331 const_iv (STATX_BASIC_STATS)
1332 const_iv (STATX_ALL)
1333 const_iv (STATX_BTIME)
1334 const_iv (STATX_ATTR_COMPRESSED)
1335 const_iv (STATX_ATTR_IMMUTABLE)
1336 const_iv (STATX_ATTR_APPEND)
1337 const_iv (STATX_ATTR_NODUMP)
1338 const_iv (STATX_ATTR_ENCRYPTED)
1339 const_iv (STATX_ATTR_AUTOMOUNT)
1340
1341 const_iv (AT_FDCWD)
1342 const_iv (AT_SYMLINK_NOFOLLOW)
1343 const_iv (AT_EACCESS)
1344 const_iv (AT_REMOVEDIR)
1345 const_iv (AT_SYMLINK_FOLLOW)
1346 const_iv (AT_NO_AUTOMOUNT)
1347 const_iv (AT_EMPTY_PATH)
1348 const_iv (AT_STATX_SYNC_TYPE)
1349 const_iv (AT_STATX_AS_STAT)
1350 const_iv (AT_STATX_FORCE_SYNC)
1351 const_iv (AT_STATX_DONT_SYNC)
1352 const_iv (AT_RECURSIVE)
1353
1354 const_iv (OPEN_TREE_CLONE)
1355
1356 const_iv (FSOPEN_CLOEXEC)
1357
1358 const_iv (FSPICK_CLOEXEC)
1359 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1360 const_iv (FSPICK_NO_AUTOMOUNT)
1361 const_iv (FSPICK_EMPTY_PATH)
1362
1363 const_iv (MOVE_MOUNT_F_SYMLINKS)
1364 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1365 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1366 const_iv (MOVE_MOUNT_T_SYMLINKS)
1367 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1368 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1369
1370 /* waitid */
1371 const_iv (P_PID)
1372 const_iv (P_PIDFD)
1373 const_iv (P_PGID)
1374 const_iv (P_ALL)
1375
1376 const_iv (FSCONFIG_SET_FLAG)
1377 const_iv (FSCONFIG_SET_STRING)
1378 const_iv (FSCONFIG_SET_BINARY)
1379 const_iv (FSCONFIG_SET_PATH)
1380 const_iv (FSCONFIG_SET_PATH_EMPTY)
1381 const_iv (FSCONFIG_SET_FD)
1382 const_iv (FSCONFIG_CMD_CREATE)
1383 const_iv (FSCONFIG_CMD_RECONFIGURE)
1384
1385 const_iv (MOUNT_ATTR_RDONLY)
1386 const_iv (MOUNT_ATTR_NOSUID)
1387 const_iv (MOUNT_ATTR_NODEV)
1388 const_iv (MOUNT_ATTR_NOEXEC)
1389 const_iv (MOUNT_ATTR__ATIME)
1390 const_iv (MOUNT_ATTR_RELATIME)
1391 const_iv (MOUNT_ATTR_NOATIME)
1392 const_iv (MOUNT_ATTR_STRICTATIME)
1393 const_iv (MOUNT_ATTR_NODIRATIME)
1270 1394
1271 /* these are libeio constants, and are independent of gendef0 */ 1395 /* these are libeio constants, and are independent of gendef0 */
1272 const_eio (SEEK_SET) 1396 const_eio (SEEK_SET)
1273 const_eio (SEEK_CUR) 1397 const_eio (SEEK_CUR)
1274 const_eio (SEEK_END) 1398 const_eio (SEEK_END)
… …
1473aio_close (SV *fh, SV *callback = &PL_sv_undef) 1597aio_close (SV *fh, SV *callback = &PL_sv_undef)
1474 PPCODE: 1598 PPCODE:
1475{ 1599{
1476 int fd = s_fileno_croak (fh, 0); 1600 int fd = s_fileno_croak (fh, 0);
1477 dREQ; 1601 dREQ;
1602#if 0
1603 /* partially duplicate logic in s_fileno */
1604 SvGETMAGIC (fh);
1478 1605
1606 if (SvROK (fh))
1607 {
1608 fh = SvRV (fh);
1609 SvGETMAGIC (fh);
1610 }
1611
1612 if (SvTYPE (fh) == SVt_PVGV)
1613 {
1614 /* perl filehandle */
1615 PerlIOUnix_refcnt_inc (fd);
1616 do_close ((GV *)fh, 1);
1617
1618 req->type = EIO_CLOSE;
1619 req->int1 = fd;
1620 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1621 }
1622 else
1623#endif
1624 {
1625 /* fd number */
1479 req->type = EIO_DUP2; 1626 req->type = EIO_DUP2;
1480 req->int1 = close_fd; 1627 req->int1 = close_fd;
1481 req->sv2 = newSVsv (fh); 1628 req->sv2 = newSVsv (fh);
1482 req->int2 = fd; 1629 req->int2 = fd;
1630 }
1483 1631
1484 REQ_SEND; 1632 REQ_SEND;
1485} 1633}
1486 1634
1487void 1635void
… …
1817 eio_wd wd2 = 0; 1965 eio_wd wd2 = 0;
1818 dREQ; 1966 dREQ;
1819 1967
1820 req->type = ix; 1968 req->type = ix;
1821 req_set_path1 (req, oldpath); 1969 req_set_path1 (req, oldpath);
1822 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1970 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1823 req->int3 = (long)wd2; 1971 req->int3 = (long)wd2;
1824 1972
1825 REQ_SEND; 1973 REQ_SEND;
1826} 1974}
1827 1975
… …
1832 eio_wd wd2 = 0; 1980 eio_wd wd2 = 0;
1833 dREQ; 1981 dREQ;
1834 1982
1835 req->type = EIO_RENAME; 1983 req->type = EIO_RENAME;
1836 req_set_path1 (req, oldpath); 1984 req_set_path1 (req, oldpath);
1837 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1985 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1838 req->int2 = flags; 1986 req->int2 = flags;
1839 req->int3 = (long)wd2; 1987 req->int3 = (long)wd2;
1840 1988
1841 REQ_SEND; 1989 REQ_SEND;
1842} 1990}
… …
2264#endif 2412#endif
2265 OUTPUT: 2413 OUTPUT:
2266 RETVAL 2414 RETVAL
2267 2415
2268int 2416int
2417statx (SV8 *pathname, int flags, UV mask)
2418 CODE:
2419{
2420 /* undocumented, and might go away, and anyway, should use eio_statx */
2421 SV *wdsv = 0;
2422 SV *pathsv = 0;
2423 eio_wd wd = EIO_CWD;
2424 void *ptr;
2425 int res;
2426
2427 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2428 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2429
2430 SvREFCNT_dec (pathsv);
2431 SvREFCNT_dec (wdsv);
2432}
2433 OUTPUT:
2434 RETVAL
2435
2436U32
2437stx_mode ()
2438 PROTOTYPE:
2439 CODE:
2440#if HAVE_STATX
2441 RETVAL = stx.stx_mode;
2442#else
2443 XSRETURN_UNDEF;
2444#endif
2445 OUTPUT:
2446 RETVAL
2447
2448#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2449#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2450#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2451#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2452#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2453#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2454#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2455#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2456#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2457#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2458#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2459#define STATX_OFFSET_size statx_offsetof (stx_size)
2460#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2461#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2462#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2463#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2464#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2465#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2466
2467U32
2468stx_mask ()
2469 PROTOTYPE:
2470 ALIAS:
2471 stx_mask = STATX_OFFSET_mask
2472 stx_blksize = STATX_OFFSET_blksize
2473 stx_nlink = STATX_OFFSET_nlink
2474 stx_uid = STATX_OFFSET_uid
2475 stx_gid = STATX_OFFSET_gid
2476 stx_rdev_major = STATX_OFFSET_rdev_major
2477 stx_rdev_minor = STATX_OFFSET_rdev_minor
2478 stx_dev_major = STATX_OFFSET_dev_major
2479 stx_dev_minor = STATX_OFFSET_dev_minor
2480 CODE:
2481#if HAVE_STATX
2482 RETVAL = *(__u32 *)((char *)&stx + ix);
2483#else
2484 XSRETURN_UNDEF;
2485#endif
2486 OUTPUT:
2487 RETVAL
2488
2489VAL64
2490stx_attributes ()
2491 PROTOTYPE:
2492 ALIAS:
2493 stx_attributes = STATX_OFFSET_attributes
2494 stx_ino = STATX_OFFSET_ino
2495 stx_size = STATX_OFFSET_size
2496 stx_blocks = STATX_OFFSET_blocks
2497 stx_attributes_mask = STATX_OFFSET_attributes_mask
2498 CODE:
2499#if HAVE_STATX
2500 RETVAL = *(__u64 *)((char *)&stx + ix);
2501#else
2502 XSRETURN_UNDEF;
2503#endif
2504 OUTPUT:
2505 RETVAL
2506
2507NV
2508stx_atime ()
2509 PROTOTYPE:
2510 ALIAS:
2511 stx_atime = STATX_OFFSET_atime
2512 stx_btime = STATX_OFFSET_btime
2513 stx_ctime = STATX_OFFSET_ctime
2514 stx_mtime = STATX_OFFSET_mtime
2515 CODE:
2516#if HAVE_STATX
2517 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2518 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2519#else
2520 XSRETURN_UNDEF;
2521#endif
2522 OUTPUT:
2523 RETVAL
2524
2525VAL64
2526stx_atimesec ()
2527 PROTOTYPE:
2528 ALIAS:
2529 stx_atimesec = STATX_OFFSET_atime
2530 stx_btimesec = STATX_OFFSET_btime
2531 stx_ctimesec = STATX_OFFSET_ctime
2532 stx_mtimesec = STATX_OFFSET_mtime
2533 CODE:
2534#if HAVE_STATX
2535 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2536 RETVAL = ts->tv_sec;
2537#else
2538 XSRETURN_UNDEF;
2539#endif
2540 OUTPUT:
2541 RETVAL
2542
2543U32
2544stx_atimensec ()
2545 PROTOTYPE:
2546 ALIAS:
2547 stx_atimensec = STATX_OFFSET_atime
2548 stx_btimensec = STATX_OFFSET_btime
2549 stx_ctimensec = STATX_OFFSET_ctime
2550 stx_mtimensec = STATX_OFFSET_mtime
2551 CODE:
2552#if HAVE_STATX
2553 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2554 RETVAL = ts->tv_nsec;
2555#else
2556 RETVAL = 0;
2557#endif
2558 OUTPUT:
2559 RETVAL
2560
2561void
2562accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2563 PPCODE:
2564{
2565 SV *retval;
2566#if HAVE_ACCEPT4
2567 socklen_t salen_ = salen ? salen + 1 : 0;
2568
2569 if (salen)
2570 {
2571 sv_upgrade (sockaddr, SVt_PV);
2572 sv_grow (sockaddr, salen_);
2573 }
2574
2575 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2576
2577 retval = newmortalFH (res, O_RDWR);
2578
2579 if (res >= 0 && salen > 0)
2580 {
2581 if (salen_ > salen + 1)
2582 salen_ = salen + 1;
2583
2584 SvPOK_only (sockaddr);
2585 SvCUR_set (sockaddr, salen_);
2586 }
2587#else
2588 errno = ENOSYS;
2589 retval = &PL_sv_undef;
2590#endif
2591 XPUSHs (retval);
2592}
2593
2594ssize_t
2269splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) 2595splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2270 CODE: 2596 CODE:
2271{ 2597{
2272#if HAVE_LINUX_SPLICE 2598#if HAVE_LINUX_SPLICE
2273 loff_t off_in_, off_out_; 2599 loff_t off_in_, off_out_;
… …
2281#endif 2607#endif
2282} 2608}
2283 OUTPUT: 2609 OUTPUT:
2284 RETVAL 2610 RETVAL
2285 2611
2286int 2612ssize_t
2287tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) 2613tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2288 CODE: 2614 CODE:
2289#if HAVE_LINUX_SPLICE 2615#if HAVE_LINUX_SPLICE
2290 RETVAL = tee (rfh, wfh, length, flags); 2616 RETVAL = tee (rfh, wfh, length, flags);
2291#else 2617#else
… …
2334 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2660 PUSHs (newmortalFH (fd[1], O_WRONLY));
2335 } 2661 }
2336} 2662}
2337 2663
2338void 2664void
2665pidfd_open (int pid, unsigned int flags = 0)
2666 PPCODE:
2667{
2668 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2669 int fd = syscall (SYS_pidfd_open, pid, flags);
2670 XPUSHs (newmortalFH (fd, O_RDWR));
2671}
2672
2673int
2674pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2675 PPCODE:
2676{
2677 int res;
2678 siginfo_t si = { 0 };
2679
2680 if (SvOK (siginfo))
2681 {
2682 HV *hv;
2683 SV **svp;
2684
2685 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2686 croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
2687
2688 hv = (HV *)SvRV (siginfo);
2689
2690 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2691 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2692 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2693 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2694 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2695 }
2696
2697 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2698 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2699
2700 XPUSHs (sv_2mortal (newSViv (res)));
2701}
2702
2703void
2704pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2705 PPCODE:
2706{
2707 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2708 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2709 XPUSHs (newmortalFH (fd, O_RDWR));
2710}
2711
2712void
2339eventfd (unsigned int initval = 0, int flags = 0) 2713eventfd (unsigned int initval = 0, int flags = 0)
2340 PPCODE: 2714 PPCODE:
2341{ 2715{
2342 int fd; 2716 int fd;
2343#if HAVE_EVENTFD 2717#if HAVE_EVENTFD
… …
2406#else 2780#else
2407 errno = ENOSYS; 2781 errno = ENOSYS;
2408#endif 2782#endif
2409} 2783}
2410 2784
2785void
2786memfd_create (SV8 *pathname, int flags = 0)
2787 PPCODE:
2788{
2789 int fd;
2790#if HAVE_MEMFD_CREATE
2791 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2792#else
2793 fd = (errno = ENOSYS, -1);
2794#endif
2795
2796 XPUSHs (newmortalFH (fd, O_RDWR));
2797}
2798
2411UV 2799UV
2412get_fdlimit () 2800get_fdlimit ()
2413 CODE: 2801 CODE:
2414#if HAVE_RLIMITS 2802#if HAVE_RLIMITS
2415 struct rlimit rl; 2803 struct rlimit rl;
… …
2448 if (0 == setrlimit (RLIMIT_NOFILE, &rl)) 2836 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2449 XSRETURN_YES; 2837 XSRETURN_YES;
2450 2838
2451 if (errno == EPERM) 2839 if (errno == EPERM)
2452 { 2840 {
2453 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ 2841 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2454 /* our limit overflows a system-wide limit */ 2842 /* our limit overflows a system-wide limit */
2455 /* try an adaptive algorithm, but do not lower the hardlimit */ 2843 /* try an adaptive algorithm, but do not lower the hardlimit */
2456 rl.rlim_max = 0; 2844 rl.rlim_max = 0;
2457 for (bit = 0x40000000U; bit; bit >>= 1) 2845 for (bit = 0x40000000U; bit; bit >>= 1)
2458 { 2846 {
2459 rl.rlim_max |= bit; 2847 rl.rlim_max |= bit;
2460 rl.rlim_cur = rl.rlim_max; 2848 rl.rlim_cur = rl.rlim_max;
2461 2849
2462 /* nevr decrease the hard limit */ 2850 /* never decrease the hard limit */
2463 if (rl.rlim_max < orig_rlim_max) 2851 if (rl.rlim_max < orig_rlim_max)
2464 break; 2852 break;
2465 2853
2466 if (0 != setrlimit (RLIMIT_NOFILE, &rl)) 2854 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2467 rl.rlim_max &= ~bit; /* too high, remove bit again */ 2855 rl.rlim_max &= ~bit; /* too high, remove bit again */

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