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/cvs/IO-AIO/AIO.xs
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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.270 by root, Thu Nov 29 21:51:22 2018 UTC vs.
Revision 1.292 by root, Tue Jul 27 07:59:33 2021 UTC

… …
3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8#include "perliol.h"
8 9
9#if !defined mg_findext 10#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type) 11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif 12#endif
12 13
… …
83 84
84#else 85#else
85 86
86 #include <sys/time.h> 87 #include <sys/time.h>
87 #include <sys/select.h> 88 #include <sys/select.h>
89 #include <sys/wait.h>
88 #include <unistd.h> 90 #include <unistd.h>
89 #include <utime.h> 91 #include <utime.h>
90 #include <signal.h> 92 #include <signal.h>
91 93
92 #define EIO_STRUCT_STAT Stat_t 94 #define EIO_STRUCT_STAT Stat_t
… …
114# include <sys/sysmacros.h> 116# include <sys/sysmacros.h>
115#endif 117#endif
116 118
117#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 119#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
118# include <sys/mman.h> 120# include <sys/mman.h>
121#endif
122
123#if HAVE_SYS_UIO_H
124# include <sys/uio.h>
119#endif 125#endif
120 126
121#if HAVE_ST_XTIMENSEC 127#if HAVE_ST_XTIMENSEC
122# define ATIMENSEC PL_statcache.st_atimensec 128# define ATIMENSEC PL_statcache.st_atimensec
123# define MTIMENSEC PL_statcache.st_mtimensec 129# define MTIMENSEC PL_statcache.st_mtimensec
… …
221 227
222#if PAGESIZE <= 0 228#if PAGESIZE <= 0
223# define PAGESIZE sysconf (_SC_PAGESIZE) 229# define PAGESIZE sysconf (_SC_PAGESIZE)
224#endif 230#endif
225 231
232/* 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
226/*****************************************************************************/ 243/*****************************************************************************/
227 244
228#if !_POSIX_MAPPED_FILES 245#if !_POSIX_MAPPED_FILES
229# 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)
230# define munmap(addr,length) EIO_ENOSYS () 247# define munmap(addr,length) EIO_ENOSYS ()
… …
288}; 305};
289 306
290/*****************************************************************************/ 307/*****************************************************************************/
291 308
292/* helper: set scalar to foreign ptr with custom free */ 309/* helper: set scalar to foreign ptr with custom free */
310ecb_noinline
293static void 311static void
294sv_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)
295{ 313{
296 sv_force_normal (sv); 314 sv_force_normal (sv);
297 315
… …
338 int count = req->int3; 356 int count = req->int3;
339 357
340 req->flags |= EIO_FLAG_PTR1_FREE; 358 req->flags |= EIO_FLAG_PTR1_FREE;
341 359
342 /* 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, */
343 /* increase in 3.5kb steps */ 361 /* increase in fixed steps */
344 if (count < 0) 362 if (count < 0)
345 count = 8; 363 count = 8;
346 364
347 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 365 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
348 errno = ENOMEM; 366 errno = ENOMEM;
… …
401 419
402 for (count = 0; count < incmap->fm_mapped_extents; ++count) 420 for (count = 0; count < incmap->fm_mapped_extents; ++count)
403 { 421 {
404 struct fiemap_extent *e = incmap->fm_extents + count; 422 struct fiemap_extent *e = incmap->fm_extents + count;
405 423
424 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
425
406 if (e->fe_logical + e->fe_length >= end_offset) 426 if (e->fe_logical >= end_offset)
407 goto done; 427 goto done;
408
409 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
410 428
411 if (e->fe_flags & FIEMAP_EXTENT_LAST) 429 if (e->fe_flags & FIEMAP_EXTENT_LAST)
412 goto done; 430 goto done;
413 431
414 } 432 }
… …
423} 441}
424 442
425/*****************************************************************************/ 443/*****************************************************************************/
426 444
427static 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
428 455
429enum { 456enum {
430 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 457 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
431}; 458};
432 459
… …
456 /* read any signals sent by the worker threads */ 483 /* read any signals sent by the worker threads */
457 s_epipe_drain (&respipe); 484 s_epipe_drain (&respipe);
458} 485}
459 486
460/* must be called at most once */ 487/* must be called at most once */
488ecb_noinline
461static SV * 489static SV *
462req_sv (aio_req req, HV *stash) 490req_sv (aio_req req, HV *stash)
463{ 491{
464 if (!req->self) 492 if (!req->self)
465 { 493 {
… …
474newSVaio_wd (aio_wd wd) 502newSVaio_wd (aio_wd wd)
475{ 503{
476 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);
477} 505}
478 506
507ecb_noinline
479static aio_req 508static aio_req
480SvAIO_REQ (SV *sv) 509SvAIO_REQ (SV *sv)
481{ 510{
482 MAGIC *mg; 511 MAGIC *mg;
483 512
… …
546 FREETMPS; 575 FREETMPS;
547 LEAVE; 576 LEAVE;
548 } 577 }
549} 578}
550 579
580ecb_noinline
551static void 581static void
552req_submit (eio_req *req) 582req_submit (eio_req *req)
553{ 583{
554 eio_submit (req); 584 eio_submit (req);
555 585
… …
816 } 846 }
817 else 847 else
818 PUSHs (sv_result); 848 PUSHs (sv_result);
819 break; 849 break;
820 850
851#if 0
852 case EIO_CLOSE:
853 PerlIOUnix_refcnt_dec (req->int1);
854 break;
855#endif
856
821 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 857 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
822 if (req->result > 0) 858 if (req->result > 0)
823 SvIV_set (sv_result, 0); 859 SvIV_set (sv_result, 0);
824 /* FALLTHROUGH */ 860 /* FALLTHROUGH */
825 861
… …
876 grp->sv2 = 0; 912 grp->sv2 = 0;
877 913
878 eio_grp_cancel (grp); 914 eio_grp_cancel (grp);
879} 915}
880 916
881static void ecb_cold 917ecb_cold
918static void
882create_respipe (void) 919create_respipe (void)
883{ 920{
884 if (s_epipe_renew (&respipe)) 921 if (s_epipe_renew (&respipe))
885 croak ("IO::AIO: unable to initialize result pipe"); 922 croak ("IO::AIO: unable to initialize result pipe");
886} 923}
… …
920 957
921 poll_wait (); 958 poll_wait ();
922 } 959 }
923} 960}
924 961
925static void ecb_cold 962ecb_cold
963static void
926reinit (void) 964reinit (void)
927{ 965{
928 create_respipe (); 966 create_respipe ();
929 967
930 if (eio_init (want_poll, done_poll) < 0) 968 if (eio_init (want_poll, done_poll) < 0)
… …
938{ 976{
939 SvGETMAGIC (cb_sv); 977 SvGETMAGIC (cb_sv);
940 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 978 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
941} 979}
942 980
981ecb_noinline
943static aio_req ecb_noinline 982static aio_req ecb_noinline
944dreq (SV *callback) 983dreq (SV *callback)
945{ 984{
946 SV *cb_cv; 985 SV *cb_cv;
947 aio_req req; 986 aio_req req;
… …
969 SPAGAIN; \ 1008 SPAGAIN; \
970 \ 1009 \
971 if (GIMME_V != G_VOID) \ 1010 if (GIMME_V != G_VOID) \
972 XPUSHs (req_sv (req, aio_req_stash)); 1011 XPUSHs (req_sv (req, aio_req_stash));
973 1012
1013/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
974ecb_inline void 1014ecb_inline
1015void
975req_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)
976{ 1017{
977 if (expect_false (SvROK (path))) 1018 if (expect_false (SvROK (path)))
978 { 1019 {
979 SV *rv = SvRV (path); 1020 SV *rv = SvRV (path);
980 SV *wdob; 1021 SV *wdob;
… …
1005 1046
1006 *pathsv = newSVsv (path); 1047 *pathsv = newSVsv (path);
1007 *ptr = SvPVbyte_nolen (*pathsv); 1048 *ptr = SvPVbyte_nolen (*pathsv);
1008} 1049}
1009 1050
1010static void ecb_noinline 1051ecb_noinline
1052static void
1011req_set_path1 (aio_req req, SV *path) 1053req_set_path1 (aio_req req, SV *path)
1012{ 1054{
1013 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);
1014} 1056}
1015 1057
1016static void ecb_noinline 1058ecb_noinline
1059static void
1017req_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)
1018{ 1061{
1019 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;
1020 1063
1021 switch (SvTYPE (rv)) 1064 switch (SvTYPE (rv))
… …
1160 const_iv (MAP_NONBLOCK) 1203 const_iv (MAP_NONBLOCK)
1161 const_iv (MAP_GROWSDOWN) 1204 const_iv (MAP_GROWSDOWN)
1162 const_iv (MAP_32BIT) 1205 const_iv (MAP_32BIT)
1163 const_iv (MAP_HUGETLB) 1206 const_iv (MAP_HUGETLB)
1164 const_iv (MAP_STACK) 1207 const_iv (MAP_STACK)
1208 const_iv (MAP_FIXED_NOREPLACE)
1209 const_iv (MAP_SHARED_VALIDATE)
1210 const_iv (MAP_SYNC)
1211 const_iv (MAP_UNINITIALIZED)
1165 1212
1166 const_iv (MREMAP_MAYMOVE) 1213 const_iv (MREMAP_MAYMOVE)
1167 const_iv (MREMAP_FIXED) 1214 const_iv (MREMAP_FIXED)
1168 1215
1169 const_iv (F_DUPFD_CLOEXEC)
1170
1171 const_iv (MSG_CMSG_CLOEXEC) 1216 const_iv (MSG_CMSG_CLOEXEC)
1172 const_iv (SOCK_CLOEXEC) 1217 const_iv (SOCK_CLOEXEC)
1218
1219 const_iv (F_DUPFD_CLOEXEC)
1220
1221 const_iv (F_ADD_SEALS)
1222 const_iv (F_GET_SEALS)
1223 const_iv (F_SEAL_SEAL)
1224 const_iv (F_SEAL_SHRINK)
1225 const_iv (F_SEAL_GROW)
1226 const_iv (F_SEAL_WRITE)
1173 1227
1174 const_iv (F_OFD_GETLK) 1228 const_iv (F_OFD_GETLK)
1175 const_iv (F_OFD_SETLK) 1229 const_iv (F_OFD_SETLK)
1176 const_iv (F_OFD_GETLKW) 1230 const_iv (F_OFD_GETLKW)
1177 1231
… …
1254 1308
1255 const_iv (EFD_CLOEXEC) 1309 const_iv (EFD_CLOEXEC)
1256 const_iv (EFD_NONBLOCK) 1310 const_iv (EFD_NONBLOCK)
1257 const_iv (EFD_SEMAPHORE) 1311 const_iv (EFD_SEMAPHORE)
1258 1312
1313 const_iv (MFD_CLOEXEC)
1314 const_iv (MFD_ALLOW_SEALING)
1315 const_iv (MFD_HUGETLB)
1316
1259 const_iv (CLOCK_REALTIME) 1317 const_iv (CLOCK_REALTIME)
1260 const_iv (CLOCK_MONOTONIC) 1318 const_iv (CLOCK_MONOTONIC)
1261 const_iv (CLOCK_BOOTTIME) 1319 const_iv (CLOCK_BOOTTIME)
1262 const_iv (CLOCK_REALTIME_ALARM) 1320 const_iv (CLOCK_REALTIME_ALARM)
1263 const_iv (CLOCK_BOOTTIME_ALARM) 1321 const_iv (CLOCK_BOOTTIME_ALARM)
… …
1265 const_iv (TFD_NONBLOCK) 1323 const_iv (TFD_NONBLOCK)
1266 const_iv (TFD_CLOEXEC) 1324 const_iv (TFD_CLOEXEC)
1267 1325
1268 const_iv (TFD_TIMER_ABSTIME) 1326 const_iv (TFD_TIMER_ABSTIME)
1269 const_iv (TFD_TIMER_CANCEL_ON_SET) 1327 const_iv (TFD_TIMER_CANCEL_ON_SET)
1328
1329 const_iv (STATX_TYPE)
1330 const_iv (STATX_MODE)
1331 const_iv (STATX_NLINK)
1332 const_iv (STATX_UID)
1333 const_iv (STATX_GID)
1334 const_iv (STATX_ATIME)
1335 const_iv (STATX_MTIME)
1336 const_iv (STATX_CTIME)
1337 const_iv (STATX_INO)
1338 const_iv (STATX_SIZE)
1339 const_iv (STATX_BLOCKS)
1340 const_iv (STATX_BASIC_STATS)
1341 const_iv (STATX_ALL)
1342 const_iv (STATX_BTIME)
1343 const_iv (STATX_ATTR_COMPRESSED)
1344 const_iv (STATX_ATTR_IMMUTABLE)
1345 const_iv (STATX_ATTR_APPEND)
1346 const_iv (STATX_ATTR_NODUMP)
1347 const_iv (STATX_ATTR_ENCRYPTED)
1348 const_iv (STATX_ATTR_AUTOMOUNT)
1349
1350 const_iv (AT_FDCWD)
1351 const_iv (AT_SYMLINK_NOFOLLOW)
1352 const_iv (AT_EACCESS)
1353 const_iv (AT_REMOVEDIR)
1354 const_iv (AT_SYMLINK_FOLLOW)
1355 const_iv (AT_NO_AUTOMOUNT)
1356 const_iv (AT_EMPTY_PATH)
1357 const_iv (AT_STATX_SYNC_TYPE)
1358 const_iv (AT_STATX_AS_STAT)
1359 const_iv (AT_STATX_FORCE_SYNC)
1360 const_iv (AT_STATX_DONT_SYNC)
1361 const_iv (AT_RECURSIVE)
1362
1363 const_iv (OPEN_TREE_CLONE)
1364
1365 const_iv (FSOPEN_CLOEXEC)
1366
1367 const_iv (FSPICK_CLOEXEC)
1368 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1369 const_iv (FSPICK_NO_AUTOMOUNT)
1370 const_iv (FSPICK_EMPTY_PATH)
1371
1372 const_iv (MOVE_MOUNT_F_SYMLINKS)
1373 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1374 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1375 const_iv (MOVE_MOUNT_T_SYMLINKS)
1376 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1377 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1378
1379 /* waitid */
1380 const_iv (P_PID)
1381 const_iv (P_PIDFD)
1382 const_iv (P_PGID)
1383 const_iv (P_ALL)
1384
1385 const_iv (FSCONFIG_SET_FLAG)
1386 const_iv (FSCONFIG_SET_STRING)
1387 const_iv (FSCONFIG_SET_BINARY)
1388 const_iv (FSCONFIG_SET_PATH)
1389 const_iv (FSCONFIG_SET_PATH_EMPTY)
1390 const_iv (FSCONFIG_SET_FD)
1391 const_iv (FSCONFIG_CMD_CREATE)
1392 const_iv (FSCONFIG_CMD_RECONFIGURE)
1393
1394 const_iv (MOUNT_ATTR_RDONLY)
1395 const_iv (MOUNT_ATTR_NOSUID)
1396 const_iv (MOUNT_ATTR_NODEV)
1397 const_iv (MOUNT_ATTR_NOEXEC)
1398 const_iv (MOUNT_ATTR__ATIME)
1399 const_iv (MOUNT_ATTR_RELATIME)
1400 const_iv (MOUNT_ATTR_NOATIME)
1401 const_iv (MOUNT_ATTR_STRICTATIME)
1402 const_iv (MOUNT_ATTR_NODIRATIME)
1270 1403
1271 /* these are libeio constants, and are independent of gendef0 */ 1404 /* these are libeio constants, and are independent of gendef0 */
1272 const_eio (SEEK_SET) 1405 const_eio (SEEK_SET)
1273 const_eio (SEEK_CUR) 1406 const_eio (SEEK_CUR)
1274 const_eio (SEEK_END) 1407 const_eio (SEEK_END)
… …
1473aio_close (SV *fh, SV *callback = &PL_sv_undef) 1606aio_close (SV *fh, SV *callback = &PL_sv_undef)
1474 PPCODE: 1607 PPCODE:
1475{ 1608{
1476 int fd = s_fileno_croak (fh, 0); 1609 int fd = s_fileno_croak (fh, 0);
1477 dREQ; 1610 dREQ;
1611#if 0
1612 /* partially duplicate logic in s_fileno */
1613 SvGETMAGIC (fh);
1478 1614
1615 if (SvROK (fh))
1616 {
1617 fh = SvRV (fh);
1618 SvGETMAGIC (fh);
1619 }
1620
1621 if (SvTYPE (fh) == SVt_PVGV)
1622 {
1623 /* perl filehandle */
1624 PerlIOUnix_refcnt_inc (fd);
1625 do_close ((GV *)fh, 1);
1626
1627 req->type = EIO_CLOSE;
1628 req->int1 = fd;
1629 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1630 }
1631 else
1632#endif
1633 {
1634 /* fd number */
1479 req->type = EIO_DUP2; 1635 req->type = EIO_DUP2;
1480 req->int1 = close_fd; 1636 req->int1 = close_fd;
1481 req->sv2 = newSVsv (fh); 1637 req->sv2 = newSVsv (fh);
1482 req->int2 = fd; 1638 req->int2 = fd;
1639 }
1483 1640
1484 REQ_SEND; 1641 REQ_SEND;
1485} 1642}
1486 1643
1487void 1644void
… …
1817 eio_wd wd2 = 0; 1974 eio_wd wd2 = 0;
1818 dREQ; 1975 dREQ;
1819 1976
1820 req->type = ix; 1977 req->type = ix;
1821 req_set_path1 (req, oldpath); 1978 req_set_path1 (req, oldpath);
1822 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1979 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1823 req->int3 = (long)wd2; 1980 req->int3 = (long)wd2;
1824 1981
1825 REQ_SEND; 1982 REQ_SEND;
1826} 1983}
1827 1984
… …
1832 eio_wd wd2 = 0; 1989 eio_wd wd2 = 0;
1833 dREQ; 1990 dREQ;
1834 1991
1835 req->type = EIO_RENAME; 1992 req->type = EIO_RENAME;
1836 req_set_path1 (req, oldpath); 1993 req_set_path1 (req, oldpath);
1837 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1994 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1838 req->int2 = flags; 1995 req->int2 = flags;
1839 req->int3 = (long)wd2; 1996 req->int3 = (long)wd2;
1840 1997
1841 REQ_SEND; 1998 REQ_SEND;
1842} 1999}
… …
2264#endif 2421#endif
2265 OUTPUT: 2422 OUTPUT:
2266 RETVAL 2423 RETVAL
2267 2424
2268int 2425int
2426statx (SV8 *pathname, int flags, UV mask)
2427 CODE:
2428{
2429 /* undocumented, and might go away, and anyway, should use eio_statx */
2430 SV *wdsv = 0;
2431 SV *pathsv = 0;
2432 eio_wd wd = EIO_CWD;
2433 void *ptr;
2434 int res;
2435
2436 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2437 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2438
2439 SvREFCNT_dec (pathsv);
2440 SvREFCNT_dec (wdsv);
2441}
2442 OUTPUT:
2443 RETVAL
2444
2445U32
2446stx_mode ()
2447 PROTOTYPE:
2448 CODE:
2449#if HAVE_STATX
2450 RETVAL = stx.stx_mode;
2451#else
2452 XSRETURN_UNDEF;
2453#endif
2454 OUTPUT:
2455 RETVAL
2456
2457#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2458#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2459#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2460#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2461#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2462#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2463#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2464#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2465#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2466#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2467#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2468#define STATX_OFFSET_size statx_offsetof (stx_size)
2469#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2470#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2471#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2472#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2473#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2474#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2475
2476U32
2477stx_mask ()
2478 PROTOTYPE:
2479 ALIAS:
2480 stx_mask = STATX_OFFSET_mask
2481 stx_blksize = STATX_OFFSET_blksize
2482 stx_nlink = STATX_OFFSET_nlink
2483 stx_uid = STATX_OFFSET_uid
2484 stx_gid = STATX_OFFSET_gid
2485 stx_rdev_major = STATX_OFFSET_rdev_major
2486 stx_rdev_minor = STATX_OFFSET_rdev_minor
2487 stx_dev_major = STATX_OFFSET_dev_major
2488 stx_dev_minor = STATX_OFFSET_dev_minor
2489 CODE:
2490#if HAVE_STATX
2491 RETVAL = *(__u32 *)((char *)&stx + ix);
2492#else
2493 XSRETURN_UNDEF;
2494#endif
2495 OUTPUT:
2496 RETVAL
2497
2498VAL64
2499stx_attributes ()
2500 PROTOTYPE:
2501 ALIAS:
2502 stx_attributes = STATX_OFFSET_attributes
2503 stx_ino = STATX_OFFSET_ino
2504 stx_size = STATX_OFFSET_size
2505 stx_blocks = STATX_OFFSET_blocks
2506 stx_attributes_mask = STATX_OFFSET_attributes_mask
2507 CODE:
2508#if HAVE_STATX
2509 RETVAL = *(__u64 *)((char *)&stx + ix);
2510#else
2511 XSRETURN_UNDEF;
2512#endif
2513 OUTPUT:
2514 RETVAL
2515
2516NV
2517stx_atime ()
2518 PROTOTYPE:
2519 ALIAS:
2520 stx_atime = STATX_OFFSET_atime
2521 stx_btime = STATX_OFFSET_btime
2522 stx_ctime = STATX_OFFSET_ctime
2523 stx_mtime = STATX_OFFSET_mtime
2524 CODE:
2525#if HAVE_STATX
2526 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2527 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2528#else
2529 XSRETURN_UNDEF;
2530#endif
2531 OUTPUT:
2532 RETVAL
2533
2534VAL64
2535stx_atimesec ()
2536 PROTOTYPE:
2537 ALIAS:
2538 stx_atimesec = STATX_OFFSET_atime
2539 stx_btimesec = STATX_OFFSET_btime
2540 stx_ctimesec = STATX_OFFSET_ctime
2541 stx_mtimesec = STATX_OFFSET_mtime
2542 CODE:
2543#if HAVE_STATX
2544 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2545 RETVAL = ts->tv_sec;
2546#else
2547 XSRETURN_UNDEF;
2548#endif
2549 OUTPUT:
2550 RETVAL
2551
2552U32
2553stx_atimensec ()
2554 PROTOTYPE:
2555 ALIAS:
2556 stx_atimensec = STATX_OFFSET_atime
2557 stx_btimensec = STATX_OFFSET_btime
2558 stx_ctimensec = STATX_OFFSET_ctime
2559 stx_mtimensec = STATX_OFFSET_mtime
2560 CODE:
2561#if HAVE_STATX
2562 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2563 RETVAL = ts->tv_nsec;
2564#else
2565 RETVAL = 0;
2566#endif
2567 OUTPUT:
2568 RETVAL
2569
2570void
2571accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2572 PPCODE:
2573{
2574 SV *retval;
2575#if HAVE_ACCEPT4
2576 socklen_t salen_ = salen ? salen + 1 : 0;
2577
2578 if (salen)
2579 {
2580 sv_upgrade (sockaddr, SVt_PV);
2581 sv_grow (sockaddr, salen_);
2582 }
2583
2584 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2585
2586 retval = newmortalFH (res, O_RDWR);
2587
2588 if (res >= 0 && salen > 0)
2589 {
2590 if (salen_ > salen + 1)
2591 salen_ = salen + 1;
2592
2593 SvPOK_only (sockaddr);
2594 SvCUR_set (sockaddr, salen_);
2595 }
2596#else
2597 errno = ENOSYS;
2598 retval = &PL_sv_undef;
2599#endif
2600 XPUSHs (retval);
2601}
2602
2603ssize_t
2269splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) 2604splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2270 CODE: 2605 CODE:
2271{ 2606{
2272#if HAVE_LINUX_SPLICE 2607#if HAVE_LINUX_SPLICE
2273 loff_t off_in_, off_out_; 2608 loff_t off_in_, off_out_;
… …
2281#endif 2616#endif
2282} 2617}
2283 OUTPUT: 2618 OUTPUT:
2284 RETVAL 2619 RETVAL
2285 2620
2286int 2621ssize_t
2287tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) 2622tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2288 CODE: 2623 CODE:
2289#if HAVE_LINUX_SPLICE 2624#if HAVE_LINUX_SPLICE
2290 RETVAL = tee (rfh, wfh, length, flags); 2625 RETVAL = tee (rfh, wfh, length, flags);
2291#else 2626#else
… …
2334 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2669 PUSHs (newmortalFH (fd[1], O_WRONLY));
2335 } 2670 }
2336} 2671}
2337 2672
2338void 2673void
2674pidfd_open (int pid, unsigned int flags = 0)
2675 PPCODE:
2676{
2677 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2678 int fd = syscall (SYS_pidfd_open, pid, flags);
2679 XPUSHs (newmortalFH (fd, O_RDWR));
2680}
2681
2682int
2683pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2684 PPCODE:
2685{
2686 #if HAVE_SIGINFO_T
2687 int res;
2688 siginfo_t si = { 0 };
2689
2690 if (SvOK (siginfo))
2691 {
2692 HV *hv;
2693 SV **svp;
2694
2695 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2696 croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught");
2697
2698 hv = (HV *)SvRV (siginfo);
2699
2700 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2701 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2702 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2703 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2704 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2705 }
2706
2707 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2708 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2709 #else
2710 res = (errno = ENOSYS, -1);
2711 #endif
2712
2713 XPUSHs (sv_2mortal (newSViv (res)));
2714}
2715
2716void
2717pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2718 PPCODE:
2719{
2720 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2721 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2722 XPUSHs (newmortalFH (fd, O_RDWR));
2723}
2724
2725void
2339eventfd (unsigned int initval = 0, int flags = 0) 2726eventfd (unsigned int initval = 0, int flags = 0)
2340 PPCODE: 2727 PPCODE:
2341{ 2728{
2342 int fd; 2729 int fd;
2343#if HAVE_EVENTFD 2730#if HAVE_EVENTFD
… …
2406#else 2793#else
2407 errno = ENOSYS; 2794 errno = ENOSYS;
2408#endif 2795#endif
2409} 2796}
2410 2797
2798void
2799memfd_create (SV8 *pathname, int flags = 0)
2800 PPCODE:
2801{
2802 int fd;
2803#if HAVE_MEMFD_CREATE
2804 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2805#else
2806 fd = (errno = ENOSYS, -1);
2807#endif
2808
2809 XPUSHs (newmortalFH (fd, O_RDWR));
2810}
2811
2411UV 2812UV
2412get_fdlimit () 2813get_fdlimit ()
2413 CODE: 2814 CODE:
2414#if HAVE_RLIMITS 2815#if HAVE_RLIMITS
2415 struct rlimit rl; 2816 struct rlimit rl;
… …
2448 if (0 == setrlimit (RLIMIT_NOFILE, &rl)) 2849 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2449 XSRETURN_YES; 2850 XSRETURN_YES;
2450 2851
2451 if (errno == EPERM) 2852 if (errno == EPERM)
2452 { 2853 {
2453 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ 2854 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2454 /* our limit overflows a system-wide limit */ 2855 /* our limit overflows a system-wide limit */
2455 /* try an adaptive algorithm, but do not lower the hardlimit */ 2856 /* try an adaptive algorithm, but do not lower the hardlimit */
2456 rl.rlim_max = 0; 2857 rl.rlim_max = 0;
2457 for (bit = 0x40000000U; bit; bit >>= 1) 2858 for (bit = 0x40000000U; bit; bit >>= 1)
2458 { 2859 {
2459 rl.rlim_max |= bit; 2860 rl.rlim_max |= bit;
2460 rl.rlim_cur = rl.rlim_max; 2861 rl.rlim_cur = rl.rlim_max;
2461 2862
2462 /* nevr decrease the hard limit */ 2863 /* never decrease the hard limit */
2463 if (rl.rlim_max < orig_rlim_max) 2864 if (rl.rlim_max < orig_rlim_max)
2464 break; 2865 break;
2465 2866
2466 if (0 != setrlimit (RLIMIT_NOFILE, &rl)) 2867 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2467 rl.rlim_max &= ~bit; /* too high, remove bit again */ 2868 rl.rlim_max &= ~bit; /* too high, remove bit again */

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