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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.272 by root, Wed Jan 2 16:32:57 2019 UTC vs.
Revision 1.286 by root, Tue Dec 29 15:25:26 2020 UTC

… …
117 117
118#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 118#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
119# include <sys/mman.h> 119# include <sys/mman.h>
120#endif 120#endif
121 121
122#if HAVE_SYS_UIO_H
123# include <sys/uio.h>
124#endif
125
122#if HAVE_ST_XTIMENSEC 126#if HAVE_ST_XTIMENSEC
123# define ATIMENSEC PL_statcache.st_atimensec 127# define ATIMENSEC PL_statcache.st_atimensec
124# define MTIMENSEC PL_statcache.st_mtimensec 128# define MTIMENSEC PL_statcache.st_mtimensec
125# define CTIMENSEC PL_statcache.st_ctimensec 129# define CTIMENSEC PL_statcache.st_ctimensec
126#elif HAVE_ST_XTIMESPEC 130#elif HAVE_ST_XTIMESPEC
… …
222 226
223#if PAGESIZE <= 0 227#if PAGESIZE <= 0
224# define PAGESIZE sysconf (_SC_PAGESIZE) 228# define PAGESIZE sysconf (_SC_PAGESIZE)
225#endif 229#endif
226 230
231#if HAVE_SYSCALL
232#include <sys/syscall.h>
233#else
234# define syscall(nr,...) (errno = ENOSYS, -1)
235#endif
236
227/*****************************************************************************/ 237/*****************************************************************************/
228 238
229#if !_POSIX_MAPPED_FILES 239#if !_POSIX_MAPPED_FILES
230# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1) 240# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
231# define munmap(addr,length) EIO_ENOSYS () 241# define munmap(addr,length) EIO_ENOSYS ()
… …
289}; 299};
290 300
291/*****************************************************************************/ 301/*****************************************************************************/
292 302
293/* helper: set scalar to foreign ptr with custom free */ 303/* helper: set scalar to foreign ptr with custom free */
304ecb_noinline
294static void 305static void
295sv_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)
296{ 307{
297 sv_force_normal (sv); 308 sv_force_normal (sv);
298 309
… …
339 int count = req->int3; 350 int count = req->int3;
340 351
341 req->flags |= EIO_FLAG_PTR1_FREE; 352 req->flags |= EIO_FLAG_PTR1_FREE;
342 353
343 /* 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, */
344 /* increase in 3.5kb steps */ 355 /* increase in fixed steps */
345 if (count < 0) 356 if (count < 0)
346 count = 8; 357 count = 8;
347 358
348 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 359 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
349 errno = ENOMEM; 360 errno = ENOMEM;
… …
402 413
403 for (count = 0; count < incmap->fm_mapped_extents; ++count) 414 for (count = 0; count < incmap->fm_mapped_extents; ++count)
404 { 415 {
405 struct fiemap_extent *e = incmap->fm_extents + count; 416 struct fiemap_extent *e = incmap->fm_extents + count;
406 417
418 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
419
407 if (e->fe_logical + e->fe_length >= end_offset) 420 if (e->fe_logical >= end_offset)
408 goto done; 421 goto done;
409
410 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
411 422
412 if (e->fe_flags & FIEMAP_EXTENT_LAST) 423 if (e->fe_flags & FIEMAP_EXTENT_LAST)
413 goto done; 424 goto done;
414 425
415 } 426 }
… …
424} 435}
425 436
426/*****************************************************************************/ 437/*****************************************************************************/
427 438
428static int close_fd; /* dummy fd to close fds via dup2 */ 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
429 449
430enum { 450enum {
431 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 451 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
432}; 452};
433 453
… …
457 /* read any signals sent by the worker threads */ 477 /* read any signals sent by the worker threads */
458 s_epipe_drain (&respipe); 478 s_epipe_drain (&respipe);
459} 479}
460 480
461/* must be called at most once */ 481/* must be called at most once */
482ecb_noinline
462static SV * 483static SV *
463req_sv (aio_req req, HV *stash) 484req_sv (aio_req req, HV *stash)
464{ 485{
465 if (!req->self) 486 if (!req->self)
466 { 487 {
… …
475newSVaio_wd (aio_wd wd) 496newSVaio_wd (aio_wd wd)
476{ 497{
477 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);
478} 499}
479 500
501ecb_noinline
480static aio_req 502static aio_req
481SvAIO_REQ (SV *sv) 503SvAIO_REQ (SV *sv)
482{ 504{
483 MAGIC *mg; 505 MAGIC *mg;
484 506
… …
547 FREETMPS; 569 FREETMPS;
548 LEAVE; 570 LEAVE;
549 } 571 }
550} 572}
551 573
574ecb_noinline
552static void 575static void
553req_submit (eio_req *req) 576req_submit (eio_req *req)
554{ 577{
555 eio_submit (req); 578 eio_submit (req);
556 579
… …
817 } 840 }
818 else 841 else
819 PUSHs (sv_result); 842 PUSHs (sv_result);
820 break; 843 break;
821 844
845#if 0
846 case EIO_CLOSE:
847 PerlIOUnix_refcnt_dec (req->int1);
848 break;
849#endif
850
822 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 */
823 if (req->result > 0) 852 if (req->result > 0)
824 SvIV_set (sv_result, 0); 853 SvIV_set (sv_result, 0);
825 /* FALLTHROUGH */ 854 /* FALLTHROUGH */
826 855
… …
877 grp->sv2 = 0; 906 grp->sv2 = 0;
878 907
879 eio_grp_cancel (grp); 908 eio_grp_cancel (grp);
880} 909}
881 910
882static void ecb_cold 911ecb_cold
912static void
883create_respipe (void) 913create_respipe (void)
884{ 914{
885 if (s_epipe_renew (&respipe)) 915 if (s_epipe_renew (&respipe))
886 croak ("IO::AIO: unable to initialize result pipe"); 916 croak ("IO::AIO: unable to initialize result pipe");
887} 917}
… …
921 951
922 poll_wait (); 952 poll_wait ();
923 } 953 }
924} 954}
925 955
926static void ecb_cold 956ecb_cold
957static void
927reinit (void) 958reinit (void)
928{ 959{
929 create_respipe (); 960 create_respipe ();
930 961
931 if (eio_init (want_poll, done_poll) < 0) 962 if (eio_init (want_poll, done_poll) < 0)
… …
939{ 970{
940 SvGETMAGIC (cb_sv); 971 SvGETMAGIC (cb_sv);
941 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 972 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
942} 973}
943 974
975ecb_noinline
944static aio_req ecb_noinline 976static aio_req ecb_noinline
945dreq (SV *callback) 977dreq (SV *callback)
946{ 978{
947 SV *cb_cv; 979 SV *cb_cv;
948 aio_req req; 980 aio_req req;
… …
970 SPAGAIN; \ 1002 SPAGAIN; \
971 \ 1003 \
972 if (GIMME_V != G_VOID) \ 1004 if (GIMME_V != G_VOID) \
973 XPUSHs (req_sv (req, aio_req_stash)); 1005 XPUSHs (req_sv (req, aio_req_stash));
974 1006
1007/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
975ecb_inline void 1008ecb_inline
1009void
976req_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)
977{ 1011{
978 if (expect_false (SvROK (path))) 1012 if (expect_false (SvROK (path)))
979 { 1013 {
980 SV *rv = SvRV (path); 1014 SV *rv = SvRV (path);
981 SV *wdob; 1015 SV *wdob;
… …
1006 1040
1007 *pathsv = newSVsv (path); 1041 *pathsv = newSVsv (path);
1008 *ptr = SvPVbyte_nolen (*pathsv); 1042 *ptr = SvPVbyte_nolen (*pathsv);
1009} 1043}
1010 1044
1011static void ecb_noinline 1045ecb_noinline
1046static void
1012req_set_path1 (aio_req req, SV *path) 1047req_set_path1 (aio_req req, SV *path)
1013{ 1048{
1014 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);
1015} 1050}
1016 1051
1017static void ecb_noinline 1052ecb_noinline
1053static void
1018req_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)
1019{ 1055{
1020 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;
1021 1057
1022 switch (SvTYPE (rv)) 1058 switch (SvTYPE (rv))
… …
1165 const_iv (MAP_STACK) 1201 const_iv (MAP_STACK)
1166 1202
1167 const_iv (MREMAP_MAYMOVE) 1203 const_iv (MREMAP_MAYMOVE)
1168 const_iv (MREMAP_FIXED) 1204 const_iv (MREMAP_FIXED)
1169 1205
1170 const_iv (F_DUPFD_CLOEXEC)
1171
1172 const_iv (MSG_CMSG_CLOEXEC) 1206 const_iv (MSG_CMSG_CLOEXEC)
1173 const_iv (SOCK_CLOEXEC) 1207 const_iv (SOCK_CLOEXEC)
1208
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)
1174 1217
1175 const_iv (F_OFD_GETLK) 1218 const_iv (F_OFD_GETLK)
1176 const_iv (F_OFD_SETLK) 1219 const_iv (F_OFD_SETLK)
1177 const_iv (F_OFD_GETLKW) 1220 const_iv (F_OFD_GETLKW)
1178 1221
… …
1255 1298
1256 const_iv (EFD_CLOEXEC) 1299 const_iv (EFD_CLOEXEC)
1257 const_iv (EFD_NONBLOCK) 1300 const_iv (EFD_NONBLOCK)
1258 const_iv (EFD_SEMAPHORE) 1301 const_iv (EFD_SEMAPHORE)
1259 1302
1303 const_iv (MFD_CLOEXEC)
1304 const_iv (MFD_ALLOW_SEALING)
1305 const_iv (MFD_HUGETLB)
1306
1260 const_iv (CLOCK_REALTIME) 1307 const_iv (CLOCK_REALTIME)
1261 const_iv (CLOCK_MONOTONIC) 1308 const_iv (CLOCK_MONOTONIC)
1262 const_iv (CLOCK_BOOTTIME) 1309 const_iv (CLOCK_BOOTTIME)
1263 const_iv (CLOCK_REALTIME_ALARM) 1310 const_iv (CLOCK_REALTIME_ALARM)
1264 const_iv (CLOCK_BOOTTIME_ALARM) 1311 const_iv (CLOCK_BOOTTIME_ALARM)
… …
1266 const_iv (TFD_NONBLOCK) 1313 const_iv (TFD_NONBLOCK)
1267 const_iv (TFD_CLOEXEC) 1314 const_iv (TFD_CLOEXEC)
1268 1315
1269 const_iv (TFD_TIMER_ABSTIME) 1316 const_iv (TFD_TIMER_ABSTIME)
1270 const_iv (TFD_TIMER_CANCEL_ON_SET) 1317 const_iv (TFD_TIMER_CANCEL_ON_SET)
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 (FSOPEN_CLOEXEC)
1356
1357 const_iv (FSPICK_CLOEXEC)
1358 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1359 const_iv (FSPICK_NO_AUTOMOUNT)
1360 const_iv (FSPICK_EMPTY_PATH)
1361
1362 const_iv (MOVE_MOUNT_F_SYMLINKS)
1363 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1364 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1365 const_iv (MOVE_MOUNT_T_SYMLINKS)
1366 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1367 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1271 1368
1272 /* these are libeio constants, and are independent of gendef0 */ 1369 /* these are libeio constants, and are independent of gendef0 */
1273 const_eio (SEEK_SET) 1370 const_eio (SEEK_SET)
1274 const_eio (SEEK_CUR) 1371 const_eio (SEEK_CUR)
1275 const_eio (SEEK_END) 1372 const_eio (SEEK_END)
… …
1472 1569
1473void 1570void
1474aio_close (SV *fh, SV *callback = &PL_sv_undef) 1571aio_close (SV *fh, SV *callback = &PL_sv_undef)
1475 PPCODE: 1572 PPCODE:
1476{ 1573{
1574 int fd = s_fileno_croak (fh, 0);
1477 dREQ; 1575 dREQ;
1478 int fd = s_fileno_croak (fh, 0); 1576#if 0
1479
1480 /* partially duplicate logic in s_fileno */ 1577 /* partially duplicate logic in s_fileno */
1481 SvGETMAGIC (fh); 1578 SvGETMAGIC (fh);
1482 1579
1483 if (SvROK (fh)) 1580 if (SvROK (fh))
1484 { 1581 {
… …
1495 req->type = EIO_CLOSE; 1592 req->type = EIO_CLOSE;
1496 req->int1 = fd; 1593 req->int1 = fd;
1497 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */ 1594 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1498 } 1595 }
1499 else 1596 else
1597#endif
1500 { 1598 {
1501 /* fd number */ 1599 /* fd number */
1502 req->type = EIO_DUP2; 1600 req->type = EIO_DUP2;
1503 req->int1 = close_fd; 1601 req->int1 = close_fd;
1504 req->sv2 = newSVsv (fh); 1602 req->sv2 = newSVsv (fh);
… …
1841 eio_wd wd2 = 0; 1939 eio_wd wd2 = 0;
1842 dREQ; 1940 dREQ;
1843 1941
1844 req->type = ix; 1942 req->type = ix;
1845 req_set_path1 (req, oldpath); 1943 req_set_path1 (req, oldpath);
1846 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1944 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1847 req->int3 = (long)wd2; 1945 req->int3 = (long)wd2;
1848 1946
1849 REQ_SEND; 1947 REQ_SEND;
1850} 1948}
1851 1949
… …
1856 eio_wd wd2 = 0; 1954 eio_wd wd2 = 0;
1857 dREQ; 1955 dREQ;
1858 1956
1859 req->type = EIO_RENAME; 1957 req->type = EIO_RENAME;
1860 req_set_path1 (req, oldpath); 1958 req_set_path1 (req, oldpath);
1861 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1959 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1862 req->int2 = flags; 1960 req->int2 = flags;
1863 req->int3 = (long)wd2; 1961 req->int3 = (long)wd2;
1864 1962
1865 REQ_SEND; 1963 REQ_SEND;
1866} 1964}
… …
2288#endif 2386#endif
2289 OUTPUT: 2387 OUTPUT:
2290 RETVAL 2388 RETVAL
2291 2389
2292int 2390int
2391statx (SV8 *pathname, int flags, UV mask)
2392 CODE:
2393{
2394 /* undocumented, and might go away, and anyway, should use eio_statx */
2395 SV *wdsv = 0;
2396 SV *pathsv = 0;
2397 eio_wd wd = EIO_CWD;
2398 void *ptr;
2399 int res;
2400
2401 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2402 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2403
2404 SvREFCNT_dec (pathsv);
2405 SvREFCNT_dec (wdsv);
2406}
2407 OUTPUT:
2408 RETVAL
2409
2410U32
2411stx_mode ()
2412 PROTOTYPE:
2413 CODE:
2414#if HAVE_STATX
2415 RETVAL = stx.stx_mode;
2416#else
2417 XSRETURN_UNDEF;
2418#endif
2419 OUTPUT:
2420 RETVAL
2421
2422#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2423#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2424#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2425#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2426#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2427#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2428#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2429#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2430#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2431#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2432#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2433#define STATX_OFFSET_size statx_offsetof (stx_size)
2434#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2435#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2436#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2437#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2438#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2439#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2440
2441U32
2442stx_mask ()
2443 PROTOTYPE:
2444 ALIAS:
2445 stx_mask = STATX_OFFSET_mask
2446 stx_blksize = STATX_OFFSET_blksize
2447 stx_nlink = STATX_OFFSET_nlink
2448 stx_uid = STATX_OFFSET_uid
2449 stx_gid = STATX_OFFSET_gid
2450 stx_rdev_major = STATX_OFFSET_rdev_major
2451 stx_rdev_minor = STATX_OFFSET_rdev_minor
2452 stx_dev_major = STATX_OFFSET_dev_major
2453 stx_dev_minor = STATX_OFFSET_dev_minor
2454 CODE:
2455#if HAVE_STATX
2456 RETVAL = *(__u32 *)((char *)&stx + ix);
2457#else
2458 XSRETURN_UNDEF;
2459#endif
2460 OUTPUT:
2461 RETVAL
2462
2463VAL64
2464stx_attributes ()
2465 PROTOTYPE:
2466 ALIAS:
2467 stx_attributes = STATX_OFFSET_attributes
2468 stx_ino = STATX_OFFSET_ino
2469 stx_size = STATX_OFFSET_size
2470 stx_blocks = STATX_OFFSET_blocks
2471 stx_attributes_mask = STATX_OFFSET_attributes_mask
2472 CODE:
2473#if HAVE_STATX
2474 RETVAL = *(__u64 *)((char *)&stx + ix);
2475#else
2476 XSRETURN_UNDEF;
2477#endif
2478 OUTPUT:
2479 RETVAL
2480
2481NV
2482stx_atime ()
2483 PROTOTYPE:
2484 ALIAS:
2485 stx_atime = STATX_OFFSET_atime
2486 stx_btime = STATX_OFFSET_btime
2487 stx_ctime = STATX_OFFSET_ctime
2488 stx_mtime = STATX_OFFSET_mtime
2489 CODE:
2490#if HAVE_STATX
2491 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2492 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2493#else
2494 XSRETURN_UNDEF;
2495#endif
2496 OUTPUT:
2497 RETVAL
2498
2499VAL64
2500stx_atimesec ()
2501 PROTOTYPE:
2502 ALIAS:
2503 stx_atimesec = STATX_OFFSET_atime
2504 stx_btimesec = STATX_OFFSET_btime
2505 stx_ctimesec = STATX_OFFSET_ctime
2506 stx_mtimesec = STATX_OFFSET_mtime
2507 CODE:
2508#if HAVE_STATX
2509 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2510 RETVAL = ts->tv_sec;
2511#else
2512 XSRETURN_UNDEF;
2513#endif
2514 OUTPUT:
2515 RETVAL
2516
2517U32
2518stx_atimensec ()
2519 PROTOTYPE:
2520 ALIAS:
2521 stx_atimensec = STATX_OFFSET_atime
2522 stx_btimensec = STATX_OFFSET_btime
2523 stx_ctimensec = STATX_OFFSET_ctime
2524 stx_mtimensec = STATX_OFFSET_mtime
2525 CODE:
2526#if HAVE_STATX
2527 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2528 RETVAL = ts->tv_nsec;
2529#else
2530 RETVAL = 0;
2531#endif
2532 OUTPUT:
2533 RETVAL
2534
2535void
2536accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2537 PPCODE:
2538{
2539 SV *retval;
2540#if HAVE_ACCEPT4
2541 socklen_t salen_ = salen ? salen + 1 : 0;
2542
2543 if (salen)
2544 {
2545 sv_upgrade (sockaddr, SVt_PV);
2546 sv_grow (sockaddr, salen_);
2547 }
2548
2549 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2550
2551 retval = newmortalFH (res, O_RDWR);
2552
2553 if (res >= 0 && salen > 0)
2554 {
2555 if (salen_ > salen + 1)
2556 salen_ = salen + 1;
2557
2558 SvPOK_only (sockaddr);
2559 SvCUR_set (sockaddr, salen_);
2560 }
2561#else
2562 errno = ENOSYS;
2563 retval = &PL_sv_undef;
2564#endif
2565 XPUSHs (retval);
2566}
2567
2568ssize_t
2293splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) 2569splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2294 CODE: 2570 CODE:
2295{ 2571{
2296#if HAVE_LINUX_SPLICE 2572#if HAVE_LINUX_SPLICE
2297 loff_t off_in_, off_out_; 2573 loff_t off_in_, off_out_;
… …
2305#endif 2581#endif
2306} 2582}
2307 OUTPUT: 2583 OUTPUT:
2308 RETVAL 2584 RETVAL
2309 2585
2310int 2586ssize_t
2311tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) 2587tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2312 CODE: 2588 CODE:
2313#if HAVE_LINUX_SPLICE 2589#if HAVE_LINUX_SPLICE
2314 RETVAL = tee (rfh, wfh, length, flags); 2590 RETVAL = tee (rfh, wfh, length, flags);
2315#else 2591#else
… …
2358 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2634 PUSHs (newmortalFH (fd[1], O_WRONLY));
2359 } 2635 }
2360} 2636}
2361 2637
2362void 2638void
2639pidfd_open (int pid, unsigned int flags = 0)
2640 PPCODE:
2641{
2642 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2643 int fd = syscall (SYS_pidfd_open, pid, flags);
2644 XPUSHs (newmortalFH (fd, O_RDWR));
2645}
2646
2647int
2648pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2649 PPCODE:
2650{
2651 int res;
2652 siginfo_t si = { 0 };
2653
2654 if (SvOK (siginfo))
2655 {
2656 HV *hv;
2657 SV **svp;
2658
2659 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2660 croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
2661
2662 hv = (HV *)SvRV (siginfo);
2663
2664 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2665 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2666 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2667 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2668 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2669 }
2670
2671 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2672 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2673
2674 XPUSHs (sv_2mortal (newSViv (res)));
2675}
2676
2677void
2678pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2679 PPCODE:
2680{
2681 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2682 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2683 XPUSHs (newmortalFH (fd, O_RDWR));
2684}
2685
2686void
2363eventfd (unsigned int initval = 0, int flags = 0) 2687eventfd (unsigned int initval = 0, int flags = 0)
2364 PPCODE: 2688 PPCODE:
2365{ 2689{
2366 int fd; 2690 int fd;
2367#if HAVE_EVENTFD 2691#if HAVE_EVENTFD
… …
2430#else 2754#else
2431 errno = ENOSYS; 2755 errno = ENOSYS;
2432#endif 2756#endif
2433} 2757}
2434 2758
2759void
2760memfd_create (SV8 *pathname, int flags = 0)
2761 PPCODE:
2762{
2763 int fd;
2764#if HAVE_MEMFD_CREATE
2765 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2766#else
2767 fd = (errno = ENOSYS, -1);
2768#endif
2769
2770 XPUSHs (newmortalFH (fd, O_RDWR));
2771}
2772
2435UV 2773UV
2436get_fdlimit () 2774get_fdlimit ()
2437 CODE: 2775 CODE:
2438#if HAVE_RLIMITS 2776#if HAVE_RLIMITS
2439 struct rlimit rl; 2777 struct rlimit rl;
… …
2472 if (0 == setrlimit (RLIMIT_NOFILE, &rl)) 2810 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2473 XSRETURN_YES; 2811 XSRETURN_YES;
2474 2812
2475 if (errno == EPERM) 2813 if (errno == EPERM)
2476 { 2814 {
2477 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ 2815 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2478 /* our limit overflows a system-wide limit */ 2816 /* our limit overflows a system-wide limit */
2479 /* try an adaptive algorithm, but do not lower the hardlimit */ 2817 /* try an adaptive algorithm, but do not lower the hardlimit */
2480 rl.rlim_max = 0; 2818 rl.rlim_max = 0;
2481 for (bit = 0x40000000U; bit; bit >>= 1) 2819 for (bit = 0x40000000U; bit; bit >>= 1)
2482 { 2820 {
2483 rl.rlim_max |= bit; 2821 rl.rlim_max |= bit;
2484 rl.rlim_cur = rl.rlim_max; 2822 rl.rlim_cur = rl.rlim_max;
2485 2823
2486 /* nevr decrease the hard limit */ 2824 /* never decrease the hard limit */
2487 if (rl.rlim_max < orig_rlim_max) 2825 if (rl.rlim_max < orig_rlim_max)
2488 break; 2826 break;
2489 2827
2490 if (0 != setrlimit (RLIMIT_NOFILE, &rl)) 2828 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2491 rl.rlim_max &= ~bit; /* too high, remove bit again */ 2829 rl.rlim_max &= ~bit; /* too high, remove bit again */

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