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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.274 by root, Sun Mar 10 12:16:48 2019 UTC vs.
Revision 1.295 by root, Mon Sep 5 00:03:32 2022 UTC

… …
84 84
85#else 85#else
86 86
87 #include <sys/time.h> 87 #include <sys/time.h>
88 #include <sys/select.h> 88 #include <sys/select.h>
89 #include <sys/wait.h>
89 #include <unistd.h> 90 #include <unistd.h>
90 #include <utime.h> 91 #include <utime.h>
91 #include <signal.h> 92 #include <signal.h>
92 93
93 #define EIO_STRUCT_STAT Stat_t 94 #define EIO_STRUCT_STAT Stat_t
… …
226 227
227#if PAGESIZE <= 0 228#if PAGESIZE <= 0
228# define PAGESIZE sysconf (_SC_PAGESIZE) 229# define PAGESIZE sysconf (_SC_PAGESIZE)
229#endif 230#endif
230 231
232/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
233#ifdef __sun
234# undef HAVE_SYSCALL
235#endif
236
237#if HAVE_SYSCALL
238#include <sys/syscall.h>
239#else
240# define syscall(nr,...) (errno = ENOSYS, -1)
241#endif
242
231/*****************************************************************************/ 243/*****************************************************************************/
232 244
233#if !_POSIX_MAPPED_FILES 245#if !_POSIX_MAPPED_FILES
234# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1) 246# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
235# define munmap(addr,length) EIO_ENOSYS () 247# define munmap(addr,length) EIO_ENOSYS ()
… …
293}; 305};
294 306
295/*****************************************************************************/ 307/*****************************************************************************/
296 308
297/* helper: set scalar to foreign ptr with custom free */ 309/* helper: set scalar to foreign ptr with custom free */
310ecb_noinline
298static void 311static void
299sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length) 312sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
300{ 313{
301 sv_force_normal (sv); 314 sv_force_normal (sv);
302 315
… …
343 int count = req->int3; 356 int count = req->int3;
344 357
345 req->flags |= EIO_FLAG_PTR1_FREE; 358 req->flags |= EIO_FLAG_PTR1_FREE;
346 359
347 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ 360 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
348 /* increase in 3.5kb steps */ 361 /* increase in fixed steps */
349 if (count < 0) 362 if (count < 0)
350 count = 8; 363 count = 8;
351 364
352 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 365 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
353 errno = ENOMEM; 366 errno = ENOMEM;
… …
406 419
407 for (count = 0; count < incmap->fm_mapped_extents; ++count) 420 for (count = 0; count < incmap->fm_mapped_extents; ++count)
408 { 421 {
409 struct fiemap_extent *e = incmap->fm_extents + count; 422 struct fiemap_extent *e = incmap->fm_extents + count;
410 423
424 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
425
411 if (e->fe_logical + e->fe_length >= end_offset) 426 if (e->fe_logical >= end_offset)
412 goto done; 427 goto done;
413
414 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
415 428
416 if (e->fe_flags & FIEMAP_EXTENT_LAST) 429 if (e->fe_flags & FIEMAP_EXTENT_LAST)
417 goto done; 430 goto done;
418 431
419 } 432 }
… …
428} 441}
429 442
430/*****************************************************************************/ 443/*****************************************************************************/
431 444
432static int close_fd; /* dummy fd to close fds via dup2 */ 445static int close_fd; /* dummy fd to close fds via dup2 */
446
447#if HAVE_STATX
448static struct statx stx;
449#define statx_offsetof(member) offsetof (struct statx, member)
450#define eio__statx statx
451#else
452#define statx_offsetof(member) 0
453#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
454#endif
433 455
434enum { 456enum {
435 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 457 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
436}; 458};
437 459
… …
461 /* read any signals sent by the worker threads */ 483 /* read any signals sent by the worker threads */
462 s_epipe_drain (&respipe); 484 s_epipe_drain (&respipe);
463} 485}
464 486
465/* must be called at most once */ 487/* must be called at most once */
488ecb_noinline
466static SV * 489static SV *
467req_sv (aio_req req, HV *stash) 490req_sv (aio_req req, HV *stash)
468{ 491{
469 if (!req->self) 492 if (!req->self)
470 { 493 {
… …
479newSVaio_wd (aio_wd wd) 502newSVaio_wd (aio_wd wd)
480{ 503{
481 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); 504 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
482} 505}
483 506
507ecb_noinline
484static aio_req 508static aio_req
485SvAIO_REQ (SV *sv) 509SvAIO_REQ (SV *sv)
486{ 510{
487 MAGIC *mg; 511 MAGIC *mg;
488 512
… …
551 FREETMPS; 575 FREETMPS;
552 LEAVE; 576 LEAVE;
553 } 577 }
554} 578}
555 579
580ecb_noinline
556static void 581static void
557req_submit (eio_req *req) 582req_submit (eio_req *req)
558{ 583{
559 eio_submit (req); 584 eio_submit (req);
560 585
… …
887 grp->sv2 = 0; 912 grp->sv2 = 0;
888 913
889 eio_grp_cancel (grp); 914 eio_grp_cancel (grp);
890} 915}
891 916
892static void ecb_cold 917ecb_cold
918static void
893create_respipe (void) 919create_respipe (void)
894{ 920{
895 if (s_epipe_renew (&respipe)) 921 if (s_epipe_renew (&respipe))
896 croak ("IO::AIO: unable to initialize result pipe"); 922 croak ("IO::AIO: unable to initialize result pipe");
897} 923}
… …
931 957
932 poll_wait (); 958 poll_wait ();
933 } 959 }
934} 960}
935 961
936static void ecb_cold 962ecb_cold
963static void
937reinit (void) 964reinit (void)
938{ 965{
939 create_respipe (); 966 create_respipe ();
940 967
941 if (eio_init (want_poll, done_poll) < 0) 968 if (eio_init (want_poll, done_poll) < 0)
… …
949{ 976{
950 SvGETMAGIC (cb_sv); 977 SvGETMAGIC (cb_sv);
951 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 978 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
952} 979}
953 980
981ecb_noinline
954static aio_req ecb_noinline 982static aio_req ecb_noinline
955dreq (SV *callback) 983dreq (SV *callback)
956{ 984{
957 SV *cb_cv; 985 SV *cb_cv;
958 aio_req req; 986 aio_req req;
… …
980 SPAGAIN; \ 1008 SPAGAIN; \
981 \ 1009 \
982 if (GIMME_V != G_VOID) \ 1010 if (GIMME_V != G_VOID) \
983 XPUSHs (req_sv (req, aio_req_stash)); 1011 XPUSHs (req_sv (req, aio_req_stash));
984 1012
1013/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
985ecb_inline void 1014ecb_inline
1015void
986req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) 1016req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
987{ 1017{
988 if (expect_false (SvROK (path))) 1018 if (expect_false (SvROK (path)))
989 { 1019 {
990 SV *rv = SvRV (path); 1020 SV *rv = SvRV (path);
991 SV *wdob; 1021 SV *wdob;
… …
1016 1046
1017 *pathsv = newSVsv (path); 1047 *pathsv = newSVsv (path);
1018 *ptr = SvPVbyte_nolen (*pathsv); 1048 *ptr = SvPVbyte_nolen (*pathsv);
1019} 1049}
1020 1050
1021static void ecb_noinline 1051ecb_noinline
1052static void
1022req_set_path1 (aio_req req, SV *path) 1053req_set_path1 (aio_req req, SV *path)
1023{ 1054{
1024 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); 1055 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1025} 1056}
1026 1057
1027static void ecb_noinline 1058ecb_noinline
1059static void
1028req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) 1060req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1029{ 1061{
1030 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; 1062 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1031 1063
1032 switch (SvTYPE (rv)) 1064 switch (SvTYPE (rv))
… …
1057 1089
1058static NV 1090static NV
1059ts_get (const struct timespec *ts) 1091ts_get (const struct timespec *ts)
1060{ 1092{
1061 return ts->tv_sec + ts->tv_nsec * 1e-9; 1093 return ts->tv_sec + ts->tv_nsec * 1e-9;
1094}
1095
1096/*****************************************************************************/
1097
1098/* extract a ref-to-array of strings into a temporary c style string vector */
1099static char **
1100extract_stringvec (SV *sv, const char *croakmsg)
1101{
1102 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
1103 croak (croakmsg);
1104
1105 AV *av = (AV *)SvRV (sv);
1106 int i, nelem = av_len (av) + 1;
1107 char **vecp = (char **)SvPVX (sv_2mortal (newSV (sizeof (char *) * (nelem + 1))));
1108
1109 for (i = 0; i < nelem; ++i)
1110 {
1111 SV **e = av_fetch (av, i, 0);
1112
1113 if (e && *e)
1114 vecp[i] = SvPVbyte_nolen (*e);
1115 else
1116 vecp[i] = "";
1117 }
1118
1119 vecp[nelem] = 0;
1120
1121 return vecp;
1062} 1122}
1063 1123
1064/*****************************************************************************/ 1124/*****************************************************************************/
1065 1125
1066XS(boot_IO__AIO) ecb_cold; 1126XS(boot_IO__AIO) ecb_cold;
… …
1171 const_iv (MAP_NONBLOCK) 1231 const_iv (MAP_NONBLOCK)
1172 const_iv (MAP_GROWSDOWN) 1232 const_iv (MAP_GROWSDOWN)
1173 const_iv (MAP_32BIT) 1233 const_iv (MAP_32BIT)
1174 const_iv (MAP_HUGETLB) 1234 const_iv (MAP_HUGETLB)
1175 const_iv (MAP_STACK) 1235 const_iv (MAP_STACK)
1236 const_iv (MAP_FIXED_NOREPLACE)
1237 const_iv (MAP_SHARED_VALIDATE)
1238 const_iv (MAP_SYNC)
1239 const_iv (MAP_UNINITIALIZED)
1176 1240
1177 const_iv (MREMAP_MAYMOVE) 1241 const_iv (MREMAP_MAYMOVE)
1178 const_iv (MREMAP_FIXED) 1242 const_iv (MREMAP_FIXED)
1179 1243
1180 const_iv (F_DUPFD_CLOEXEC)
1181
1182 const_iv (MSG_CMSG_CLOEXEC) 1244 const_iv (MSG_CMSG_CLOEXEC)
1183 const_iv (SOCK_CLOEXEC) 1245 const_iv (SOCK_CLOEXEC)
1246
1247 const_iv (F_DUPFD_CLOEXEC)
1248
1249 const_iv (F_ADD_SEALS)
1250 const_iv (F_GET_SEALS)
1251 const_iv (F_SEAL_SEAL)
1252 const_iv (F_SEAL_SHRINK)
1253 const_iv (F_SEAL_GROW)
1254 const_iv (F_SEAL_WRITE)
1184 1255
1185 const_iv (F_OFD_GETLK) 1256 const_iv (F_OFD_GETLK)
1186 const_iv (F_OFD_SETLK) 1257 const_iv (F_OFD_SETLK)
1187 const_iv (F_OFD_GETLKW) 1258 const_iv (F_OFD_GETLKW)
1188 1259
… …
1265 1336
1266 const_iv (EFD_CLOEXEC) 1337 const_iv (EFD_CLOEXEC)
1267 const_iv (EFD_NONBLOCK) 1338 const_iv (EFD_NONBLOCK)
1268 const_iv (EFD_SEMAPHORE) 1339 const_iv (EFD_SEMAPHORE)
1269 1340
1341 const_iv (MFD_CLOEXEC)
1342 const_iv (MFD_ALLOW_SEALING)
1343 const_iv (MFD_HUGETLB)
1344 const_iv (MFD_HUGETLB_2MB)
1345 const_iv (MFD_HUGETLB_1GB)
1346
1270 const_iv (CLOCK_REALTIME) 1347 const_iv (CLOCK_REALTIME)
1271 const_iv (CLOCK_MONOTONIC) 1348 const_iv (CLOCK_MONOTONIC)
1272 const_iv (CLOCK_BOOTTIME) 1349 const_iv (CLOCK_BOOTTIME)
1273 const_iv (CLOCK_REALTIME_ALARM) 1350 const_iv (CLOCK_REALTIME_ALARM)
1274 const_iv (CLOCK_BOOTTIME_ALARM) 1351 const_iv (CLOCK_BOOTTIME_ALARM)
… …
1276 const_iv (TFD_NONBLOCK) 1353 const_iv (TFD_NONBLOCK)
1277 const_iv (TFD_CLOEXEC) 1354 const_iv (TFD_CLOEXEC)
1278 1355
1279 const_iv (TFD_TIMER_ABSTIME) 1356 const_iv (TFD_TIMER_ABSTIME)
1280 const_iv (TFD_TIMER_CANCEL_ON_SET) 1357 const_iv (TFD_TIMER_CANCEL_ON_SET)
1358
1359 const_iv (STATX_TYPE)
1360 const_iv (STATX_MODE)
1361 const_iv (STATX_NLINK)
1362 const_iv (STATX_UID)
1363 const_iv (STATX_GID)
1364 const_iv (STATX_ATIME)
1365 const_iv (STATX_MTIME)
1366 const_iv (STATX_CTIME)
1367 const_iv (STATX_INO)
1368 const_iv (STATX_SIZE)
1369 const_iv (STATX_BLOCKS)
1370 const_iv (STATX_BASIC_STATS)
1371 const_iv (STATX_ALL)
1372 const_iv (STATX_BTIME)
1373 const_iv (STATX_ATTR_COMPRESSED)
1374 const_iv (STATX_ATTR_IMMUTABLE)
1375 const_iv (STATX_ATTR_APPEND)
1376 const_iv (STATX_ATTR_NODUMP)
1377 const_iv (STATX_ATTR_ENCRYPTED)
1378 const_iv (STATX_ATTR_AUTOMOUNT)
1379
1380 const_iv (AT_FDCWD)
1381 const_iv (AT_SYMLINK_NOFOLLOW)
1382 const_iv (AT_EACCESS)
1383 const_iv (AT_REMOVEDIR)
1384 const_iv (AT_SYMLINK_FOLLOW)
1385 const_iv (AT_NO_AUTOMOUNT)
1386 const_iv (AT_EMPTY_PATH)
1387 const_iv (AT_STATX_SYNC_TYPE)
1388 const_iv (AT_STATX_AS_STAT)
1389 const_iv (AT_STATX_FORCE_SYNC)
1390 const_iv (AT_STATX_DONT_SYNC)
1391 const_iv (AT_RECURSIVE)
1392
1393 const_iv (OPEN_TREE_CLONE)
1394
1395 const_iv (FSOPEN_CLOEXEC)
1396
1397 const_iv (FSPICK_CLOEXEC)
1398 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1399 const_iv (FSPICK_NO_AUTOMOUNT)
1400 const_iv (FSPICK_EMPTY_PATH)
1401
1402 const_iv (MOVE_MOUNT_F_SYMLINKS)
1403 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1404 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1405 const_iv (MOVE_MOUNT_T_SYMLINKS)
1406 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1407 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1408
1409 /* waitid */
1410 const_iv (P_PID)
1411 const_iv (P_PIDFD)
1412 const_iv (P_PGID)
1413 const_iv (P_ALL)
1414
1415 const_iv (FSCONFIG_SET_FLAG)
1416 const_iv (FSCONFIG_SET_STRING)
1417 const_iv (FSCONFIG_SET_BINARY)
1418 const_iv (FSCONFIG_SET_PATH)
1419 const_iv (FSCONFIG_SET_PATH_EMPTY)
1420 const_iv (FSCONFIG_SET_FD)
1421 const_iv (FSCONFIG_CMD_CREATE)
1422 const_iv (FSCONFIG_CMD_RECONFIGURE)
1423
1424 const_iv (MOUNT_ATTR_RDONLY)
1425 const_iv (MOUNT_ATTR_NOSUID)
1426 const_iv (MOUNT_ATTR_NODEV)
1427 const_iv (MOUNT_ATTR_NOEXEC)
1428 const_iv (MOUNT_ATTR__ATIME)
1429 const_iv (MOUNT_ATTR_RELATIME)
1430 const_iv (MOUNT_ATTR_NOATIME)
1431 const_iv (MOUNT_ATTR_STRICTATIME)
1432 const_iv (MOUNT_ATTR_NODIRATIME)
1281 1433
1282 /* these are libeio constants, and are independent of gendef0 */ 1434 /* these are libeio constants, and are independent of gendef0 */
1283 const_eio (SEEK_SET) 1435 const_eio (SEEK_SET)
1284 const_eio (SEEK_CUR) 1436 const_eio (SEEK_CUR)
1285 const_eio (SEEK_END) 1437 const_eio (SEEK_END)
… …
1852 eio_wd wd2 = 0; 2004 eio_wd wd2 = 0;
1853 dREQ; 2005 dREQ;
1854 2006
1855 req->type = ix; 2007 req->type = ix;
1856 req_set_path1 (req, oldpath); 2008 req_set_path1 (req, oldpath);
1857 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 2009 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1858 req->int3 = (long)wd2; 2010 req->int3 = (long)wd2;
1859 2011
1860 REQ_SEND; 2012 REQ_SEND;
1861} 2013}
1862 2014
… …
1867 eio_wd wd2 = 0; 2019 eio_wd wd2 = 0;
1868 dREQ; 2020 dREQ;
1869 2021
1870 req->type = EIO_RENAME; 2022 req->type = EIO_RENAME;
1871 req_set_path1 (req, oldpath); 2023 req_set_path1 (req, oldpath);
1872 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 2024 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1873 req->int2 = flags; 2025 req->int2 = flags;
1874 req->int3 = (long)wd2; 2026 req->int3 = (long)wd2;
1875 2027
1876 REQ_SEND; 2028 REQ_SEND;
1877} 2029}
… …
2299#endif 2451#endif
2300 OUTPUT: 2452 OUTPUT:
2301 RETVAL 2453 RETVAL
2302 2454
2303int 2455int
2456statx (SV8 *pathname, int flags, UV mask)
2457 CODE:
2458{
2459 /* undocumented, and might go away, and anyway, should use eio_statx */
2460 SV *wdsv = 0;
2461 SV *pathsv = 0;
2462 eio_wd wd = EIO_CWD;
2463 void *ptr;
2464 int res;
2465
2466 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2467 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2468
2469 SvREFCNT_dec (pathsv);
2470 SvREFCNT_dec (wdsv);
2471}
2472 OUTPUT:
2473 RETVAL
2474
2475U32
2476stx_mode ()
2477 PROTOTYPE:
2478 CODE:
2479#if HAVE_STATX
2480 RETVAL = stx.stx_mode;
2481#else
2482 XSRETURN_UNDEF;
2483#endif
2484 OUTPUT:
2485 RETVAL
2486
2487#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2488#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2489#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2490#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2491#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2492#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2493#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2494#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2495#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2496#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2497#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2498#define STATX_OFFSET_size statx_offsetof (stx_size)
2499#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2500#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2501#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2502#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2503#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2504#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2505
2506U32
2507stx_mask ()
2508 PROTOTYPE:
2509 ALIAS:
2510 stx_mask = STATX_OFFSET_mask
2511 stx_blksize = STATX_OFFSET_blksize
2512 stx_nlink = STATX_OFFSET_nlink
2513 stx_uid = STATX_OFFSET_uid
2514 stx_gid = STATX_OFFSET_gid
2515 stx_rdev_major = STATX_OFFSET_rdev_major
2516 stx_rdev_minor = STATX_OFFSET_rdev_minor
2517 stx_dev_major = STATX_OFFSET_dev_major
2518 stx_dev_minor = STATX_OFFSET_dev_minor
2519 CODE:
2520#if HAVE_STATX
2521 RETVAL = *(__u32 *)((char *)&stx + ix);
2522#else
2523 XSRETURN_UNDEF;
2524#endif
2525 OUTPUT:
2526 RETVAL
2527
2528VAL64
2529stx_attributes ()
2530 PROTOTYPE:
2531 ALIAS:
2532 stx_attributes = STATX_OFFSET_attributes
2533 stx_ino = STATX_OFFSET_ino
2534 stx_size = STATX_OFFSET_size
2535 stx_blocks = STATX_OFFSET_blocks
2536 stx_attributes_mask = STATX_OFFSET_attributes_mask
2537 CODE:
2538#if HAVE_STATX
2539 RETVAL = *(__u64 *)((char *)&stx + ix);
2540#else
2541 XSRETURN_UNDEF;
2542#endif
2543 OUTPUT:
2544 RETVAL
2545
2546NV
2547stx_atime ()
2548 PROTOTYPE:
2549 ALIAS:
2550 stx_atime = STATX_OFFSET_atime
2551 stx_btime = STATX_OFFSET_btime
2552 stx_ctime = STATX_OFFSET_ctime
2553 stx_mtime = STATX_OFFSET_mtime
2554 CODE:
2555#if HAVE_STATX
2556 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2557 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2558#else
2559 XSRETURN_UNDEF;
2560#endif
2561 OUTPUT:
2562 RETVAL
2563
2564VAL64
2565stx_atimesec ()
2566 PROTOTYPE:
2567 ALIAS:
2568 stx_atimesec = STATX_OFFSET_atime
2569 stx_btimesec = STATX_OFFSET_btime
2570 stx_ctimesec = STATX_OFFSET_ctime
2571 stx_mtimesec = STATX_OFFSET_mtime
2572 CODE:
2573#if HAVE_STATX
2574 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2575 RETVAL = ts->tv_sec;
2576#else
2577 XSRETURN_UNDEF;
2578#endif
2579 OUTPUT:
2580 RETVAL
2581
2582U32
2583stx_atimensec ()
2584 PROTOTYPE:
2585 ALIAS:
2586 stx_atimensec = STATX_OFFSET_atime
2587 stx_btimensec = STATX_OFFSET_btime
2588 stx_ctimensec = STATX_OFFSET_ctime
2589 stx_mtimensec = STATX_OFFSET_mtime
2590 CODE:
2591#if HAVE_STATX
2592 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2593 RETVAL = ts->tv_nsec;
2594#else
2595 RETVAL = 0;
2596#endif
2597 OUTPUT:
2598 RETVAL
2599
2600void
2601accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2602 PPCODE:
2603{
2604 SV *retval;
2605#if HAVE_ACCEPT4
2606 socklen_t salen_ = salen ? salen + 1 : 0;
2607
2608 if (salen)
2609 {
2610 sv_upgrade (sockaddr, SVt_PV);
2611 sv_grow (sockaddr, salen_);
2612 }
2613
2614 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2615
2616 retval = newmortalFH (res, O_RDWR);
2617
2618 if (res >= 0 && salen > 0)
2619 {
2620 if (salen_ > salen + 1)
2621 salen_ = salen + 1;
2622
2623 SvPOK_only (sockaddr);
2624 SvCUR_set (sockaddr, salen_);
2625 }
2626#else
2627 errno = ENOSYS;
2628 retval = &PL_sv_undef;
2629#endif
2630 XPUSHs (retval);
2631}
2632
2633ssize_t
2304splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) 2634splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2305 CODE: 2635 CODE:
2306{ 2636{
2307#if HAVE_LINUX_SPLICE 2637#if HAVE_LINUX_SPLICE
2308 loff_t off_in_, off_out_; 2638 loff_t off_in_, off_out_;
… …
2316#endif 2646#endif
2317} 2647}
2318 OUTPUT: 2648 OUTPUT:
2319 RETVAL 2649 RETVAL
2320 2650
2321int 2651ssize_t
2322tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) 2652tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2323 CODE: 2653 CODE:
2324#if HAVE_LINUX_SPLICE 2654#if HAVE_LINUX_SPLICE
2325 RETVAL = tee (rfh, wfh, length, flags); 2655 RETVAL = tee (rfh, wfh, length, flags);
2326#else 2656#else
… …
2369 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2699 PUSHs (newmortalFH (fd[1], O_WRONLY));
2370 } 2700 }
2371} 2701}
2372 2702
2373void 2703void
2704pidfd_open (int pid, unsigned int flags = 0)
2705 PPCODE:
2706{
2707 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2708 int fd = syscall (SYS_pidfd_open, pid, flags);
2709 XPUSHs (newmortalFH (fd, O_RDWR));
2710}
2711
2712int
2713pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2714 PPCODE:
2715{
2716 int res;
2717#if HAVE_SIGINFO_T
2718 siginfo_t si = { 0 };
2719
2720 if (SvOK (siginfo))
2721 {
2722 HV *hv;
2723 SV **svp;
2724
2725 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2726 croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught");
2727
2728 hv = (HV *)SvRV (siginfo);
2729
2730 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2731 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2732 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2733 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2734 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2735 }
2736
2737 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2738 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2739#else
2740 res = (errno = ENOSYS, -1);
2741#endif
2742
2743 XPUSHs (sv_2mortal (newSViv (res)));
2744}
2745
2746void
2747pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2748 PPCODE:
2749{
2750 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2751 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2752 XPUSHs (newmortalFH (fd, O_RDWR));
2753}
2754
2755void
2374eventfd (unsigned int initval = 0, int flags = 0) 2756eventfd (unsigned int initval = 0, int flags = 0)
2375 PPCODE: 2757 PPCODE:
2376{ 2758{
2377 int fd; 2759 int fd;
2378#if HAVE_EVENTFD 2760#if HAVE_EVENTFD
… …
2441#else 2823#else
2442 errno = ENOSYS; 2824 errno = ENOSYS;
2443#endif 2825#endif
2444} 2826}
2445 2827
2828void
2829memfd_create (SV8 *pathname, int flags = 0)
2830 PPCODE:
2831{
2832 int fd;
2833#if HAVE_MEMFD_CREATE
2834 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2835#else
2836 fd = (errno = ENOSYS, -1);
2837#endif
2838
2839 XPUSHs (newmortalFH (fd, O_RDWR));
2840}
2841
2842int
2843fexecve (SV *fh, SV *args, SV *envs = &PL_sv_undef)
2844 CODE:
2845{
2846 int fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
2847 char **envp, **argv;
2848 argv = extract_stringvec (args, "IO::AIO::fexecve: args must be an array of strings");
2849 if (!SvOK (envs))
2850 {
2851 extern char **environ;
2852 envp = environ;
2853 }
2854 else
2855 envp = extract_stringvec (envs, "IO::AIO::fexecve: envs must be an array of strings");
2856#if _POSIX_VERSION >= 200809L
2857 RETVAL = fexecve (fd, argv, envp);
2858#else
2859 RETVAL = (errno = ENOSYS, -1);
2860#endif
2861}
2862 OUTPUT: RETVAL
2863
2446UV 2864UV
2447get_fdlimit () 2865get_fdlimit ()
2448 CODE: 2866 CODE:
2449#if HAVE_RLIMITS 2867#if HAVE_RLIMITS
2450 struct rlimit rl; 2868 struct rlimit rl;
… …
2483 if (0 == setrlimit (RLIMIT_NOFILE, &rl)) 2901 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2484 XSRETURN_YES; 2902 XSRETURN_YES;
2485 2903
2486 if (errno == EPERM) 2904 if (errno == EPERM)
2487 { 2905 {
2488 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ 2906 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2489 /* our limit overflows a system-wide limit */ 2907 /* our limit overflows a system-wide limit */
2490 /* try an adaptive algorithm, but do not lower the hardlimit */ 2908 /* try an adaptive algorithm, but do not lower the hardlimit */
2491 rl.rlim_max = 0; 2909 rl.rlim_max = 0;
2492 for (bit = 0x40000000U; bit; bit >>= 1) 2910 for (bit = 0x40000000U; bit; bit >>= 1)
2493 { 2911 {
2494 rl.rlim_max |= bit; 2912 rl.rlim_max |= bit;
2495 rl.rlim_cur = rl.rlim_max; 2913 rl.rlim_cur = rl.rlim_max;
2496 2914
2497 /* nevr decrease the hard limit */ 2915 /* never decrease the hard limit */
2498 if (rl.rlim_max < orig_rlim_max) 2916 if (rl.rlim_max < orig_rlim_max)
2499 break; 2917 break;
2500 2918
2501 if (0 != setrlimit (RLIMIT_NOFILE, &rl)) 2919 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2502 rl.rlim_max &= ~bit; /* too high, remove bit again */ 2920 rl.rlim_max &= ~bit; /* too high, remove bit again */

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