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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.267 by root, Sat Aug 25 19:25:32 2018 UTC vs.
Revision 1.286 by root, Tue Dec 29 15:25:26 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
… …
17#include <sys/socket.h> 18#include <sys/socket.h>
18#include <sys/stat.h> 19#include <sys/stat.h>
19#include <limits.h> 20#include <limits.h>
20#include <fcntl.h> 21#include <fcntl.h>
21#include <sched.h> 22#include <sched.h>
22
23#if HAVE_SYS_MKDEV_H
24# include <sys/mkdev.h>
25#elif HAVE_SYS_SYSMACROS_H
26# include <sys/sysmacros.h>
27#endif
28
29#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
30# include <sys/mman.h>
31#endif
32 23
33/* the incompetent fool that created musl keeps __linux__, refuses 24/* the incompetent fool that created musl keeps __linux__, refuses
34 * to implement any linux standard apis, and also has no way to test 25 * to implement any linux standard apis, and also has no way to test
35 * for his broken iplementation. don't complain to me if this fails 26 * for his broken iplementation. don't complain to me if this fails
36 * for you. 27 * for you.
… …
116 107
117/*****************************************************************************/ 108/*****************************************************************************/
118 109
119#include "config.h" 110#include "config.h"
120 111
112#if HAVE_SYS_MKDEV_H
113# include <sys/mkdev.h>
114#elif HAVE_SYS_SYSMACROS_H
115# include <sys/sysmacros.h>
116#endif
117
118#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
119# include <sys/mman.h>
120#endif
121
122#if HAVE_SYS_UIO_H
123# include <sys/uio.h>
124#endif
125
121#if HAVE_ST_XTIMENSEC 126#if HAVE_ST_XTIMENSEC
122# define ATIMENSEC PL_statcache.st_atimensec 127# define ATIMENSEC PL_statcache.st_atimensec
123# define MTIMENSEC PL_statcache.st_mtimensec 128# define MTIMENSEC PL_statcache.st_mtimensec
124# define CTIMENSEC PL_statcache.st_ctimensec 129# define CTIMENSEC PL_statcache.st_ctimensec
125#elif HAVE_ST_XTIMESPEC 130#elif HAVE_ST_XTIMESPEC
… …
221 226
222#if PAGESIZE <= 0 227#if PAGESIZE <= 0
223# define PAGESIZE sysconf (_SC_PAGESIZE) 228# define PAGESIZE sysconf (_SC_PAGESIZE)
224#endif 229#endif
225 230
231#if HAVE_SYSCALL
232#include <sys/syscall.h>
233#else
234# define syscall(nr,...) (errno = ENOSYS, -1)
235#endif
236
226/*****************************************************************************/ 237/*****************************************************************************/
227 238
228#if !_POSIX_MAPPED_FILES 239#if !_POSIX_MAPPED_FILES
229# 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)
230# define munmap(addr,length) EIO_ENOSYS () 241# define munmap(addr,length) EIO_ENOSYS ()
… …
288}; 299};
289 300
290/*****************************************************************************/ 301/*****************************************************************************/
291 302
292/* helper: set scalar to foreign ptr with custom free */ 303/* helper: set scalar to foreign ptr with custom free */
304ecb_noinline
293static void 305static void
294sv_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)
295{ 307{
296 sv_force_normal (sv); 308 sv_force_normal (sv);
297 309
… …
338 int count = req->int3; 350 int count = req->int3;
339 351
340 req->flags |= EIO_FLAG_PTR1_FREE; 352 req->flags |= EIO_FLAG_PTR1_FREE;
341 353
342 /* 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, */
343 /* increase in 3.5kb steps */ 355 /* increase in fixed steps */
344 if (count < 0) 356 if (count < 0)
345 count = 8; 357 count = 8;
346 358
347 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 359 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
348 errno = ENOMEM; 360 errno = ENOMEM;
… …
401 413
402 for (count = 0; count < incmap->fm_mapped_extents; ++count) 414 for (count = 0; count < incmap->fm_mapped_extents; ++count)
403 { 415 {
404 struct fiemap_extent *e = incmap->fm_extents + count; 416 struct fiemap_extent *e = incmap->fm_extents + count;
405 417
418 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
419
406 if (e->fe_logical + e->fe_length >= end_offset) 420 if (e->fe_logical >= end_offset)
407 goto done; 421 goto done;
408
409 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
410 422
411 if (e->fe_flags & FIEMAP_EXTENT_LAST) 423 if (e->fe_flags & FIEMAP_EXTENT_LAST)
412 goto done; 424 goto done;
413 425
414 } 426 }
… …
423} 435}
424 436
425/*****************************************************************************/ 437/*****************************************************************************/
426 438
427static 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
428 449
429enum { 450enum {
430 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 451 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
431}; 452};
432 453
… …
456 /* read any signals sent by the worker threads */ 477 /* read any signals sent by the worker threads */
457 s_epipe_drain (&respipe); 478 s_epipe_drain (&respipe);
458} 479}
459 480
460/* must be called at most once */ 481/* must be called at most once */
482ecb_noinline
461static SV * 483static SV *
462req_sv (aio_req req, HV *stash) 484req_sv (aio_req req, HV *stash)
463{ 485{
464 if (!req->self) 486 if (!req->self)
465 { 487 {
… …
474newSVaio_wd (aio_wd wd) 496newSVaio_wd (aio_wd wd)
475{ 497{
476 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);
477} 499}
478 500
501ecb_noinline
479static aio_req 502static aio_req
480SvAIO_REQ (SV *sv) 503SvAIO_REQ (SV *sv)
481{ 504{
482 MAGIC *mg; 505 MAGIC *mg;
483 506
… …
546 FREETMPS; 569 FREETMPS;
547 LEAVE; 570 LEAVE;
548 } 571 }
549} 572}
550 573
574ecb_noinline
551static void 575static void
552req_submit (eio_req *req) 576req_submit (eio_req *req)
553{ 577{
554 eio_submit (req); 578 eio_submit (req);
555 579
… …
816 } 840 }
817 else 841 else
818 PUSHs (sv_result); 842 PUSHs (sv_result);
819 break; 843 break;
820 844
845#if 0
846 case EIO_CLOSE:
847 PerlIOUnix_refcnt_dec (req->int1);
848 break;
849#endif
850
821 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 */
822 if (req->result > 0) 852 if (req->result > 0)
823 SvIV_set (sv_result, 0); 853 SvIV_set (sv_result, 0);
824 /* FALLTHROUGH */ 854 /* FALLTHROUGH */
825 855
… …
876 grp->sv2 = 0; 906 grp->sv2 = 0;
877 907
878 eio_grp_cancel (grp); 908 eio_grp_cancel (grp);
879} 909}
880 910
881static void ecb_cold 911ecb_cold
912static void
882create_respipe (void) 913create_respipe (void)
883{ 914{
884 if (s_epipe_renew (&respipe)) 915 if (s_epipe_renew (&respipe))
885 croak ("IO::AIO: unable to initialize result pipe"); 916 croak ("IO::AIO: unable to initialize result pipe");
886} 917}
… …
920 951
921 poll_wait (); 952 poll_wait ();
922 } 953 }
923} 954}
924 955
925static void ecb_cold 956ecb_cold
957static void
926reinit (void) 958reinit (void)
927{ 959{
928 create_respipe (); 960 create_respipe ();
929 961
930 if (eio_init (want_poll, done_poll) < 0) 962 if (eio_init (want_poll, done_poll) < 0)
… …
938{ 970{
939 SvGETMAGIC (cb_sv); 971 SvGETMAGIC (cb_sv);
940 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 972 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
941} 973}
942 974
975ecb_noinline
943static aio_req ecb_noinline 976static aio_req ecb_noinline
944dreq (SV *callback) 977dreq (SV *callback)
945{ 978{
946 SV *cb_cv; 979 SV *cb_cv;
947 aio_req req; 980 aio_req req;
… …
969 SPAGAIN; \ 1002 SPAGAIN; \
970 \ 1003 \
971 if (GIMME_V != G_VOID) \ 1004 if (GIMME_V != G_VOID) \
972 XPUSHs (req_sv (req, aio_req_stash)); 1005 XPUSHs (req_sv (req, aio_req_stash));
973 1006
1007/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
974ecb_inline void 1008ecb_inline
1009void
975req_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)
976{ 1011{
977 if (expect_false (SvROK (path))) 1012 if (expect_false (SvROK (path)))
978 { 1013 {
979 SV *rv = SvRV (path); 1014 SV *rv = SvRV (path);
980 SV *wdob; 1015 SV *wdob;
… …
1005 1040
1006 *pathsv = newSVsv (path); 1041 *pathsv = newSVsv (path);
1007 *ptr = SvPVbyte_nolen (*pathsv); 1042 *ptr = SvPVbyte_nolen (*pathsv);
1008} 1043}
1009 1044
1010static void ecb_noinline 1045ecb_noinline
1046static void
1011req_set_path1 (aio_req req, SV *path) 1047req_set_path1 (aio_req req, SV *path)
1012{ 1048{
1013 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);
1014} 1050}
1015 1051
1016static void ecb_noinline 1052ecb_noinline
1053static void
1017req_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)
1018{ 1055{
1019 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;
1020 1057
1021 switch (SvTYPE (rv)) 1058 switch (SvTYPE (rv))
… …
1164 const_iv (MAP_STACK) 1201 const_iv (MAP_STACK)
1165 1202
1166 const_iv (MREMAP_MAYMOVE) 1203 const_iv (MREMAP_MAYMOVE)
1167 const_iv (MREMAP_FIXED) 1204 const_iv (MREMAP_FIXED)
1168 1205
1169 const_iv (F_DUPFD_CLOEXEC)
1170
1171 const_iv (MSG_CMSG_CLOEXEC) 1206 const_iv (MSG_CMSG_CLOEXEC)
1172 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)
1173 1217
1174 const_iv (F_OFD_GETLK) 1218 const_iv (F_OFD_GETLK)
1175 const_iv (F_OFD_SETLK) 1219 const_iv (F_OFD_SETLK)
1176 const_iv (F_OFD_GETLKW) 1220 const_iv (F_OFD_GETLKW)
1177 1221
… …
1254 1298
1255 const_iv (EFD_CLOEXEC) 1299 const_iv (EFD_CLOEXEC)
1256 const_iv (EFD_NONBLOCK) 1300 const_iv (EFD_NONBLOCK)
1257 const_iv (EFD_SEMAPHORE) 1301 const_iv (EFD_SEMAPHORE)
1258 1302
1303 const_iv (MFD_CLOEXEC)
1304 const_iv (MFD_ALLOW_SEALING)
1305 const_iv (MFD_HUGETLB)
1306
1259 const_iv (CLOCK_REALTIME) 1307 const_iv (CLOCK_REALTIME)
1260 const_iv (CLOCK_MONOTONIC) 1308 const_iv (CLOCK_MONOTONIC)
1261 const_iv (CLOCK_BOOTTIME) 1309 const_iv (CLOCK_BOOTTIME)
1262 const_iv (CLOCK_REALTIME_ALARM) 1310 const_iv (CLOCK_REALTIME_ALARM)
1263 const_iv (CLOCK_BOOTTIME_ALARM) 1311 const_iv (CLOCK_BOOTTIME_ALARM)
… …
1266 const_iv (TFD_CLOEXEC) 1314 const_iv (TFD_CLOEXEC)
1267 1315
1268 const_iv (TFD_TIMER_ABSTIME) 1316 const_iv (TFD_TIMER_ABSTIME)
1269 const_iv (TFD_TIMER_CANCEL_ON_SET) 1317 const_iv (TFD_TIMER_CANCEL_ON_SET)
1270 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)
1368
1271 /* these are libeio constants, and are independent of gendef0 */ 1369 /* these are libeio constants, and are independent of gendef0 */
1272 const_eio (SEEK_SET) 1370 const_eio (SEEK_SET)
1273 const_eio (SEEK_CUR) 1371 const_eio (SEEK_CUR)
1274 const_eio (SEEK_END) 1372 const_eio (SEEK_END)
1275 1373
1276 const_eio (MCL_FUTURE) 1374 const_eio (MCL_FUTURE)
1277 const_eio (MCL_CURRENT) 1375 const_eio (MCL_CURRENT)
1376 const_eio (MCL_ONFAULT)
1278 1377
1279 const_eio (MS_ASYNC) 1378 const_eio (MS_ASYNC)
1280 const_eio (MS_INVALIDATE) 1379 const_eio (MS_INVALIDATE)
1281 const_eio (MS_SYNC) 1380 const_eio (MS_SYNC)
1282 1381
… …
1472aio_close (SV *fh, SV *callback = &PL_sv_undef) 1571aio_close (SV *fh, SV *callback = &PL_sv_undef)
1473 PPCODE: 1572 PPCODE:
1474{ 1573{
1475 int fd = s_fileno_croak (fh, 0); 1574 int fd = s_fileno_croak (fh, 0);
1476 dREQ; 1575 dREQ;
1576#if 0
1577 /* partially duplicate logic in s_fileno */
1578 SvGETMAGIC (fh);
1477 1579
1580 if (SvROK (fh))
1581 {
1582 fh = SvRV (fh);
1583 SvGETMAGIC (fh);
1584 }
1585
1586 if (SvTYPE (fh) == SVt_PVGV)
1587 {
1588 /* perl filehandle */
1589 PerlIOUnix_refcnt_inc (fd);
1590 do_close ((GV *)fh, 1);
1591
1592 req->type = EIO_CLOSE;
1593 req->int1 = fd;
1594 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1595 }
1596 else
1597#endif
1598 {
1599 /* fd number */
1478 req->type = EIO_DUP2; 1600 req->type = EIO_DUP2;
1479 req->int1 = close_fd; 1601 req->int1 = close_fd;
1480 req->sv2 = newSVsv (fh); 1602 req->sv2 = newSVsv (fh);
1481 req->int2 = fd; 1603 req->int2 = fd;
1604 }
1482 1605
1483 REQ_SEND; 1606 REQ_SEND;
1484} 1607}
1485 1608
1486void 1609void
… …
1816 eio_wd wd2 = 0; 1939 eio_wd wd2 = 0;
1817 dREQ; 1940 dREQ;
1818 1941
1819 req->type = ix; 1942 req->type = ix;
1820 req_set_path1 (req, oldpath); 1943 req_set_path1 (req, oldpath);
1821 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1944 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1822 req->int3 = (long)wd2; 1945 req->int3 = (long)wd2;
1823 1946
1824 REQ_SEND; 1947 REQ_SEND;
1825} 1948}
1826 1949
… …
1831 eio_wd wd2 = 0; 1954 eio_wd wd2 = 0;
1832 dREQ; 1955 dREQ;
1833 1956
1834 req->type = EIO_RENAME; 1957 req->type = EIO_RENAME;
1835 req_set_path1 (req, oldpath); 1958 req_set_path1 (req, oldpath);
1836 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1959 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1837 req->int2 = flags; 1960 req->int2 = flags;
1838 req->int3 = (long)wd2; 1961 req->int3 = (long)wd2;
1839 1962
1840 REQ_SEND; 1963 REQ_SEND;
1841} 1964}
… …
2244} 2367}
2245 OUTPUT: 2368 OUTPUT:
2246 RETVAL 2369 RETVAL
2247 2370
2248int 2371int
2372mlockall (int flags)
2373 PROTOTYPE: $;
2374 CODE:
2375 RETVAL = eio_mlockall_sync (flags);
2376 OUTPUT:
2377 RETVAL
2378
2379int
2249munlockall () 2380munlockall ()
2250 CODE: 2381 CODE:
2251#if _POSIX_MEMLOCK 2382#if _POSIX_MEMLOCK
2252 munlockall (); 2383 munlockall ();
2253#else 2384#else
… …
2255#endif 2386#endif
2256 OUTPUT: 2387 OUTPUT:
2257 RETVAL 2388 RETVAL
2258 2389
2259int 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
2260splice (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)
2261 CODE: 2570 CODE:
2262{ 2571{
2263#if HAVE_LINUX_SPLICE 2572#if HAVE_LINUX_SPLICE
2264 loff_t off_in_, off_out_; 2573 loff_t off_in_, off_out_;
… …
2272#endif 2581#endif
2273} 2582}
2274 OUTPUT: 2583 OUTPUT:
2275 RETVAL 2584 RETVAL
2276 2585
2277int 2586ssize_t
2278tee (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)
2279 CODE: 2588 CODE:
2280#if HAVE_LINUX_SPLICE 2589#if HAVE_LINUX_SPLICE
2281 RETVAL = tee (rfh, wfh, length, flags); 2590 RETVAL = tee (rfh, wfh, length, flags);
2282#else 2591#else
… …
2325 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2634 PUSHs (newmortalFH (fd[1], O_WRONLY));
2326 } 2635 }
2327} 2636}
2328 2637
2329void 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
2330eventfd (unsigned int initval = 0, int flags = 0) 2687eventfd (unsigned int initval = 0, int flags = 0)
2331 PPCODE: 2688 PPCODE:
2332{ 2689{
2333 int fd; 2690 int fd;
2334#if HAVE_EVENTFD 2691#if HAVE_EVENTFD
… …
2397#else 2754#else
2398 errno = ENOSYS; 2755 errno = ENOSYS;
2399#endif 2756#endif
2400} 2757}
2401 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
2402UV 2773UV
2403get_fdlimit () 2774get_fdlimit ()
2404 CODE: 2775 CODE:
2405#if HAVE_RLIMITS 2776#if HAVE_RLIMITS
2406 struct rlimit rl; 2777 struct rlimit rl;
… …
2439 if (0 == setrlimit (RLIMIT_NOFILE, &rl)) 2810 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2440 XSRETURN_YES; 2811 XSRETURN_YES;
2441 2812
2442 if (errno == EPERM) 2813 if (errno == EPERM)
2443 { 2814 {
2444 /* 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 */
2445 /* our limit overflows a system-wide limit */ 2816 /* our limit overflows a system-wide limit */
2446 /* try an adaptive algorithm, but do not lower the hardlimit */ 2817 /* try an adaptive algorithm, but do not lower the hardlimit */
2447 rl.rlim_max = 0; 2818 rl.rlim_max = 0;
2448 for (bit = 0x40000000U; bit; bit >>= 1) 2819 for (bit = 0x40000000U; bit; bit >>= 1)
2449 { 2820 {
2450 rl.rlim_max |= bit; 2821 rl.rlim_max |= bit;
2451 rl.rlim_cur = rl.rlim_max; 2822 rl.rlim_cur = rl.rlim_max;
2452 2823
2453 /* nevr decrease the hard limit */ 2824 /* never decrease the hard limit */
2454 if (rl.rlim_max < orig_rlim_max) 2825 if (rl.rlim_max < orig_rlim_max)
2455 break; 2826 break;
2456 2827
2457 if (0 != setrlimit (RLIMIT_NOFILE, &rl)) 2828 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2458 rl.rlim_max &= ~bit; /* too high, remove bit again */ 2829 rl.rlim_max &= ~bit; /* too high, remove bit again */

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