ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/IO-AIO/AIO.xs
(Generate patch)

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.270 by root, Thu Nov 29 21:51:22 2018 UTC vs.
Revision 1.285 by root, Tue Dec 29 15:16:28 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
… …
116 117
117#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 118#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
118# include <sys/mman.h> 119# include <sys/mman.h>
119#endif 120#endif
120 121
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)
… …
1265 const_iv (TFD_NONBLOCK) 1313 const_iv (TFD_NONBLOCK)
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)
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 (MOVE_MOUNT_F_SYMLINKS)
1356 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1357 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1358 const_iv (MOVE_MOUNT_T_SYMLINKS)
1359 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1360 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1270 1361
1271 /* these are libeio constants, and are independent of gendef0 */ 1362 /* these are libeio constants, and are independent of gendef0 */
1272 const_eio (SEEK_SET) 1363 const_eio (SEEK_SET)
1273 const_eio (SEEK_CUR) 1364 const_eio (SEEK_CUR)
1274 const_eio (SEEK_END) 1365 const_eio (SEEK_END)
… …
1473aio_close (SV *fh, SV *callback = &PL_sv_undef) 1564aio_close (SV *fh, SV *callback = &PL_sv_undef)
1474 PPCODE: 1565 PPCODE:
1475{ 1566{
1476 int fd = s_fileno_croak (fh, 0); 1567 int fd = s_fileno_croak (fh, 0);
1477 dREQ; 1568 dREQ;
1569#if 0
1570 /* partially duplicate logic in s_fileno */
1571 SvGETMAGIC (fh);
1478 1572
1573 if (SvROK (fh))
1574 {
1575 fh = SvRV (fh);
1576 SvGETMAGIC (fh);
1577 }
1578
1579 if (SvTYPE (fh) == SVt_PVGV)
1580 {
1581 /* perl filehandle */
1582 PerlIOUnix_refcnt_inc (fd);
1583 do_close ((GV *)fh, 1);
1584
1585 req->type = EIO_CLOSE;
1586 req->int1 = fd;
1587 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1588 }
1589 else
1590#endif
1591 {
1592 /* fd number */
1479 req->type = EIO_DUP2; 1593 req->type = EIO_DUP2;
1480 req->int1 = close_fd; 1594 req->int1 = close_fd;
1481 req->sv2 = newSVsv (fh); 1595 req->sv2 = newSVsv (fh);
1482 req->int2 = fd; 1596 req->int2 = fd;
1597 }
1483 1598
1484 REQ_SEND; 1599 REQ_SEND;
1485} 1600}
1486 1601
1487void 1602void
… …
1817 eio_wd wd2 = 0; 1932 eio_wd wd2 = 0;
1818 dREQ; 1933 dREQ;
1819 1934
1820 req->type = ix; 1935 req->type = ix;
1821 req_set_path1 (req, oldpath); 1936 req_set_path1 (req, oldpath);
1822 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1937 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1823 req->int3 = (long)wd2; 1938 req->int3 = (long)wd2;
1824 1939
1825 REQ_SEND; 1940 REQ_SEND;
1826} 1941}
1827 1942
… …
1832 eio_wd wd2 = 0; 1947 eio_wd wd2 = 0;
1833 dREQ; 1948 dREQ;
1834 1949
1835 req->type = EIO_RENAME; 1950 req->type = EIO_RENAME;
1836 req_set_path1 (req, oldpath); 1951 req_set_path1 (req, oldpath);
1837 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1952 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1838 req->int2 = flags; 1953 req->int2 = flags;
1839 req->int3 = (long)wd2; 1954 req->int3 = (long)wd2;
1840 1955
1841 REQ_SEND; 1956 REQ_SEND;
1842} 1957}
… …
2264#endif 2379#endif
2265 OUTPUT: 2380 OUTPUT:
2266 RETVAL 2381 RETVAL
2267 2382
2268int 2383int
2384statx (SV8 *pathname, int flags, UV mask)
2385 CODE:
2386{
2387 /* undocumented, and might go away, and anyway, should use eio_statx */
2388 SV *wdsv = 0;
2389 SV *pathsv = 0;
2390 eio_wd wd = EIO_CWD;
2391 void *ptr;
2392 int res;
2393
2394 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2395 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2396
2397 SvREFCNT_dec (pathsv);
2398 SvREFCNT_dec (wdsv);
2399}
2400 OUTPUT:
2401 RETVAL
2402
2403U32
2404stx_mode ()
2405 PROTOTYPE:
2406 CODE:
2407#if HAVE_STATX
2408 RETVAL = stx.stx_mode;
2409#else
2410 XSRETURN_UNDEF;
2411#endif
2412 OUTPUT:
2413 RETVAL
2414
2415#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2416#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2417#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2418#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2419#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2420#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2421#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2422#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2423#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2424#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2425#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2426#define STATX_OFFSET_size statx_offsetof (stx_size)
2427#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2428#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2429#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2430#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2431#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2432#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2433
2434U32
2435stx_mask ()
2436 PROTOTYPE:
2437 ALIAS:
2438 stx_mask = STATX_OFFSET_mask
2439 stx_blksize = STATX_OFFSET_blksize
2440 stx_nlink = STATX_OFFSET_nlink
2441 stx_uid = STATX_OFFSET_uid
2442 stx_gid = STATX_OFFSET_gid
2443 stx_rdev_major = STATX_OFFSET_rdev_major
2444 stx_rdev_minor = STATX_OFFSET_rdev_minor
2445 stx_dev_major = STATX_OFFSET_dev_major
2446 stx_dev_minor = STATX_OFFSET_dev_minor
2447 CODE:
2448#if HAVE_STATX
2449 RETVAL = *(__u32 *)((char *)&stx + ix);
2450#else
2451 XSRETURN_UNDEF;
2452#endif
2453 OUTPUT:
2454 RETVAL
2455
2456VAL64
2457stx_attributes ()
2458 PROTOTYPE:
2459 ALIAS:
2460 stx_attributes = STATX_OFFSET_attributes
2461 stx_ino = STATX_OFFSET_ino
2462 stx_size = STATX_OFFSET_size
2463 stx_blocks = STATX_OFFSET_blocks
2464 stx_attributes_mask = STATX_OFFSET_attributes_mask
2465 CODE:
2466#if HAVE_STATX
2467 RETVAL = *(__u64 *)((char *)&stx + ix);
2468#else
2469 XSRETURN_UNDEF;
2470#endif
2471 OUTPUT:
2472 RETVAL
2473
2474NV
2475stx_atime ()
2476 PROTOTYPE:
2477 ALIAS:
2478 stx_atime = STATX_OFFSET_atime
2479 stx_btime = STATX_OFFSET_btime
2480 stx_ctime = STATX_OFFSET_ctime
2481 stx_mtime = STATX_OFFSET_mtime
2482 CODE:
2483#if HAVE_STATX
2484 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2485 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2486#else
2487 XSRETURN_UNDEF;
2488#endif
2489 OUTPUT:
2490 RETVAL
2491
2492VAL64
2493stx_atimesec ()
2494 PROTOTYPE:
2495 ALIAS:
2496 stx_atimesec = STATX_OFFSET_atime
2497 stx_btimesec = STATX_OFFSET_btime
2498 stx_ctimesec = STATX_OFFSET_ctime
2499 stx_mtimesec = STATX_OFFSET_mtime
2500 CODE:
2501#if HAVE_STATX
2502 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2503 RETVAL = ts->tv_sec;
2504#else
2505 XSRETURN_UNDEF;
2506#endif
2507 OUTPUT:
2508 RETVAL
2509
2510U32
2511stx_atimensec ()
2512 PROTOTYPE:
2513 ALIAS:
2514 stx_atimensec = STATX_OFFSET_atime
2515 stx_btimensec = STATX_OFFSET_btime
2516 stx_ctimensec = STATX_OFFSET_ctime
2517 stx_mtimensec = STATX_OFFSET_mtime
2518 CODE:
2519#if HAVE_STATX
2520 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2521 RETVAL = ts->tv_nsec;
2522#else
2523 RETVAL = 0;
2524#endif
2525 OUTPUT:
2526 RETVAL
2527
2528void
2529accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2530 PPCODE:
2531{
2532 SV *retval;
2533#if HAVE_ACCEPT4
2534 socklen_t salen_ = salen ? salen + 1 : 0;
2535
2536 if (salen)
2537 {
2538 sv_upgrade (sockaddr, SVt_PV);
2539 sv_grow (sockaddr, salen_);
2540 }
2541
2542 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2543
2544 retval = newmortalFH (res, O_RDWR);
2545
2546 if (res >= 0 && salen > 0)
2547 {
2548 if (salen_ > salen + 1)
2549 salen_ = salen + 1;
2550
2551 SvPOK_only (sockaddr);
2552 SvCUR_set (sockaddr, salen_);
2553 }
2554#else
2555 errno = ENOSYS;
2556 retval = &PL_sv_undef;
2557#endif
2558 XPUSHs (retval);
2559}
2560
2561ssize_t
2269splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) 2562splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2270 CODE: 2563 CODE:
2271{ 2564{
2272#if HAVE_LINUX_SPLICE 2565#if HAVE_LINUX_SPLICE
2273 loff_t off_in_, off_out_; 2566 loff_t off_in_, off_out_;
… …
2281#endif 2574#endif
2282} 2575}
2283 OUTPUT: 2576 OUTPUT:
2284 RETVAL 2577 RETVAL
2285 2578
2286int 2579ssize_t
2287tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) 2580tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2288 CODE: 2581 CODE:
2289#if HAVE_LINUX_SPLICE 2582#if HAVE_LINUX_SPLICE
2290 RETVAL = tee (rfh, wfh, length, flags); 2583 RETVAL = tee (rfh, wfh, length, flags);
2291#else 2584#else
… …
2334 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2627 PUSHs (newmortalFH (fd[1], O_WRONLY));
2335 } 2628 }
2336} 2629}
2337 2630
2338void 2631void
2632pidfd_open (int pid, unsigned int flags = 0)
2633 PPCODE:
2634{
2635 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2636 int fd = syscall (SYS_pidfd_open, pid, flags);
2637 XPUSHs (newmortalFH (fd, O_RDWR));
2638}
2639
2640int
2641pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2642 PPCODE:
2643{
2644 int res;
2645 siginfo_t si = { 0 };
2646
2647 if (SvOK (siginfo))
2648 {
2649 HV *hv;
2650 SV **svp;
2651
2652 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2653 croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
2654
2655 hv = (HV *)SvRV (siginfo);
2656
2657 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2658 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2659 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2660 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2661 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2662 }
2663
2664 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2665 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2666
2667 XPUSHs (sv_2mortal (newSViv (res)));
2668}
2669
2670void
2671pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2672 PPCODE:
2673{
2674 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2675 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2676 XPUSHs (newmortalFH (fd, O_RDWR));
2677}
2678
2679void
2339eventfd (unsigned int initval = 0, int flags = 0) 2680eventfd (unsigned int initval = 0, int flags = 0)
2340 PPCODE: 2681 PPCODE:
2341{ 2682{
2342 int fd; 2683 int fd;
2343#if HAVE_EVENTFD 2684#if HAVE_EVENTFD
… …
2406#else 2747#else
2407 errno = ENOSYS; 2748 errno = ENOSYS;
2408#endif 2749#endif
2409} 2750}
2410 2751
2752void
2753memfd_create (SV8 *pathname, int flags = 0)
2754 PPCODE:
2755{
2756 int fd;
2757#if HAVE_MEMFD_CREATE
2758 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2759#else
2760 fd = (errno = ENOSYS, -1);
2761#endif
2762
2763 XPUSHs (newmortalFH (fd, O_RDWR));
2764}
2765
2411UV 2766UV
2412get_fdlimit () 2767get_fdlimit ()
2413 CODE: 2768 CODE:
2414#if HAVE_RLIMITS 2769#if HAVE_RLIMITS
2415 struct rlimit rl; 2770 struct rlimit rl;
… …
2448 if (0 == setrlimit (RLIMIT_NOFILE, &rl)) 2803 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2449 XSRETURN_YES; 2804 XSRETURN_YES;
2450 2805
2451 if (errno == EPERM) 2806 if (errno == EPERM)
2452 { 2807 {
2453 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ 2808 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2454 /* our limit overflows a system-wide limit */ 2809 /* our limit overflows a system-wide limit */
2455 /* try an adaptive algorithm, but do not lower the hardlimit */ 2810 /* try an adaptive algorithm, but do not lower the hardlimit */
2456 rl.rlim_max = 0; 2811 rl.rlim_max = 0;
2457 for (bit = 0x40000000U; bit; bit >>= 1) 2812 for (bit = 0x40000000U; bit; bit >>= 1)
2458 { 2813 {
2459 rl.rlim_max |= bit; 2814 rl.rlim_max |= bit;
2460 rl.rlim_cur = rl.rlim_max; 2815 rl.rlim_cur = rl.rlim_max;
2461 2816
2462 /* nevr decrease the hard limit */ 2817 /* never decrease the hard limit */
2463 if (rl.rlim_max < orig_rlim_max) 2818 if (rl.rlim_max < orig_rlim_max)
2464 break; 2819 break;
2465 2820
2466 if (0 != setrlimit (RLIMIT_NOFILE, &rl)) 2821 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2467 rl.rlim_max &= ~bit; /* too high, remove bit again */ 2822 rl.rlim_max &= ~bit; /* too high, remove bit again */

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines