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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.266 by root, Tue Aug 14 14:03:14 2018 UTC vs.
Revision 1.290 by root, Sun Feb 7 13:13:44 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
… …
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.
… …
84 #undef fchmod 75 #undef fchmod
85 #undef dup 76 #undef dup
86 #undef dup2 77 #undef dup2
87 #undef abort 78 #undef abort
88 #undef pipe 79 #undef pipe
80 #undef utime
89 81
90 #define EIO_STRUCT_STAT struct _stati64 82 #define EIO_STRUCT_STAT struct _stati64
91 #define EIO_STRUCT_STATI64 83 #define EIO_STRUCT_STATI64
92 84
93#else 85#else
94 86
95 #include <sys/time.h> 87 #include <sys/time.h>
96 #include <sys/select.h> 88 #include <sys/select.h>
89 #include <sys/wait.h>
97 #include <unistd.h> 90 #include <unistd.h>
98 #include <utime.h> 91 #include <utime.h>
99 #include <signal.h> 92 #include <signal.h>
100 93
101 #define EIO_STRUCT_STAT Stat_t 94 #define EIO_STRUCT_STAT Stat_t
… …
114#define expect_true(expr) expect ((expr) != 0, 1) 107#define expect_true(expr) expect ((expr) != 0, 1)
115 108
116/*****************************************************************************/ 109/*****************************************************************************/
117 110
118#include "config.h" 111#include "config.h"
112
113#if HAVE_SYS_MKDEV_H
114# include <sys/mkdev.h>
115#elif HAVE_SYS_SYSMACROS_H
116# include <sys/sysmacros.h>
117#endif
118
119#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
120# include <sys/mman.h>
121#endif
122
123#if HAVE_SYS_UIO_H
124# include <sys/uio.h>
125#endif
119 126
120#if HAVE_ST_XTIMENSEC 127#if HAVE_ST_XTIMENSEC
121# define ATIMENSEC PL_statcache.st_atimensec 128# define ATIMENSEC PL_statcache.st_atimensec
122# define MTIMENSEC PL_statcache.st_mtimensec 129# define MTIMENSEC PL_statcache.st_mtimensec
123# define CTIMENSEC PL_statcache.st_ctimensec 130# define CTIMENSEC PL_statcache.st_ctimensec
… …
129# define ATIMENSEC 0 136# define ATIMENSEC 0
130# define MTIMENSEC 0 137# define MTIMENSEC 0
131# define CTIMENSEC 0 138# define CTIMENSEC 0
132#endif 139#endif
133 140
141#if HAVE_ST_BIRTHTIMENSEC
142# define BTIMESEC PL_statcache.st_birthtime
143# define BTIMENSEC PL_statcache.st_birthtimensec
144#elif HAVE_ST_BIRTHTIMESPEC
145# define BTIMESEC PL_statcache.st_birthtim.tv_sec
146# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
147#else
148# define BTIMESEC 0
149# define BTIMENSEC 0
150#endif
151
152#if HAVE_ST_GEN
153# define ST_GEN PL_statcache.st_gen
154#else
155# define ST_GEN 0
156#endif
157
134#include "schmorp.h" 158#include "schmorp.h"
135 159
136#if HAVE_EVENTFD 160#if HAVE_EVENTFD
137# include <sys/eventfd.h> 161# include <sys/eventfd.h>
138#endif 162#endif
… …
203 227
204#if PAGESIZE <= 0 228#if PAGESIZE <= 0
205# define PAGESIZE sysconf (_SC_PAGESIZE) 229# define PAGESIZE sysconf (_SC_PAGESIZE)
206#endif 230#endif
207 231
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
208/*****************************************************************************/ 243/*****************************************************************************/
209 244
210#if !_POSIX_MAPPED_FILES 245#if !_POSIX_MAPPED_FILES
211# 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)
212# define munmap(addr,length) EIO_ENOSYS () 247# define munmap(addr,length) EIO_ENOSYS ()
… …
270}; 305};
271 306
272/*****************************************************************************/ 307/*****************************************************************************/
273 308
274/* helper: set scalar to foreign ptr with custom free */ 309/* helper: set scalar to foreign ptr with custom free */
310ecb_noinline
275static void 311static void
276sv_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)
277{ 313{
278 sv_force_normal (sv); 314 sv_force_normal (sv);
279 315
… …
320 int count = req->int3; 356 int count = req->int3;
321 357
322 req->flags |= EIO_FLAG_PTR1_FREE; 358 req->flags |= EIO_FLAG_PTR1_FREE;
323 359
324 /* 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, */
325 /* increase in 3.5kb steps */ 361 /* increase in fixed steps */
326 if (count < 0) 362 if (count < 0)
327 count = 8; 363 count = 8;
328 364
329 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 365 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
330 errno = ENOMEM; 366 errno = ENOMEM;
… …
383 419
384 for (count = 0; count < incmap->fm_mapped_extents; ++count) 420 for (count = 0; count < incmap->fm_mapped_extents; ++count)
385 { 421 {
386 struct fiemap_extent *e = incmap->fm_extents + count; 422 struct fiemap_extent *e = incmap->fm_extents + count;
387 423
424 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
425
388 if (e->fe_logical + e->fe_length >= end_offset) 426 if (e->fe_logical >= end_offset)
389 goto done; 427 goto done;
390
391 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
392 428
393 if (e->fe_flags & FIEMAP_EXTENT_LAST) 429 if (e->fe_flags & FIEMAP_EXTENT_LAST)
394 goto done; 430 goto done;
395 431
396 } 432 }
… …
403 errno = ENOSYS; 439 errno = ENOSYS;
404#endif 440#endif
405} 441}
406 442
407/*****************************************************************************/ 443/*****************************************************************************/
444
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
408 455
409enum { 456enum {
410 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 457 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
411}; 458};
412 459
… …
436 /* read any signals sent by the worker threads */ 483 /* read any signals sent by the worker threads */
437 s_epipe_drain (&respipe); 484 s_epipe_drain (&respipe);
438} 485}
439 486
440/* must be called at most once */ 487/* must be called at most once */
488ecb_noinline
441static SV * 489static SV *
442req_sv (aio_req req, HV *stash) 490req_sv (aio_req req, HV *stash)
443{ 491{
444 if (!req->self) 492 if (!req->self)
445 { 493 {
… …
454newSVaio_wd (aio_wd wd) 502newSVaio_wd (aio_wd wd)
455{ 503{
456 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);
457} 505}
458 506
507ecb_noinline
459static aio_req 508static aio_req
460SvAIO_REQ (SV *sv) 509SvAIO_REQ (SV *sv)
461{ 510{
462 MAGIC *mg; 511 MAGIC *mg;
463 512
… …
526 FREETMPS; 575 FREETMPS;
527 LEAVE; 576 LEAVE;
528 } 577 }
529} 578}
530 579
580ecb_noinline
531static void 581static void
532req_submit (eio_req *req) 582req_submit (eio_req *req)
533{ 583{
534 eio_submit (req); 584 eio_submit (req);
535 585
… …
796 } 846 }
797 else 847 else
798 PUSHs (sv_result); 848 PUSHs (sv_result);
799 break; 849 break;
800 850
851#if 0
852 case EIO_CLOSE:
853 PerlIOUnix_refcnt_dec (req->int1);
854 break;
855#endif
856
801 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 */
802 if (req->result > 0) 858 if (req->result > 0)
803 SvIV_set (sv_result, 0); 859 SvIV_set (sv_result, 0);
804 /* FALLTHROUGH */ 860 /* FALLTHROUGH */
805 861
… …
856 grp->sv2 = 0; 912 grp->sv2 = 0;
857 913
858 eio_grp_cancel (grp); 914 eio_grp_cancel (grp);
859} 915}
860 916
861static void ecb_cold 917ecb_cold
918static void
862create_respipe (void) 919create_respipe (void)
863{ 920{
864 if (s_epipe_renew (&respipe)) 921 if (s_epipe_renew (&respipe))
865 croak ("IO::AIO: unable to initialize result pipe"); 922 croak ("IO::AIO: unable to initialize result pipe");
866} 923}
… …
900 957
901 poll_wait (); 958 poll_wait ();
902 } 959 }
903} 960}
904 961
905static void ecb_cold 962ecb_cold
963static void
906reinit (void) 964reinit (void)
907{ 965{
908 create_respipe (); 966 create_respipe ();
909 967
910 if (eio_init (want_poll, done_poll) < 0) 968 if (eio_init (want_poll, done_poll) < 0)
… …
918{ 976{
919 SvGETMAGIC (cb_sv); 977 SvGETMAGIC (cb_sv);
920 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 978 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
921} 979}
922 980
981ecb_noinline
923static aio_req ecb_noinline 982static aio_req ecb_noinline
924dreq (SV *callback) 983dreq (SV *callback)
925{ 984{
926 SV *cb_cv; 985 SV *cb_cv;
927 aio_req req; 986 aio_req req;
… …
949 SPAGAIN; \ 1008 SPAGAIN; \
950 \ 1009 \
951 if (GIMME_V != G_VOID) \ 1010 if (GIMME_V != G_VOID) \
952 XPUSHs (req_sv (req, aio_req_stash)); 1011 XPUSHs (req_sv (req, aio_req_stash));
953 1012
1013/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
954ecb_inline void 1014ecb_inline
1015void
955req_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)
956{ 1017{
957 if (expect_false (SvROK (path))) 1018 if (expect_false (SvROK (path)))
958 { 1019 {
959 SV *rv = SvRV (path); 1020 SV *rv = SvRV (path);
960 SV *wdob; 1021 SV *wdob;
… …
985 1046
986 *pathsv = newSVsv (path); 1047 *pathsv = newSVsv (path);
987 *ptr = SvPVbyte_nolen (*pathsv); 1048 *ptr = SvPVbyte_nolen (*pathsv);
988} 1049}
989 1050
990static void ecb_noinline 1051ecb_noinline
1052static void
991req_set_path1 (aio_req req, SV *path) 1053req_set_path1 (aio_req req, SV *path)
992{ 1054{
993 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);
994} 1056}
995 1057
996static void ecb_noinline 1058ecb_noinline
1059static void
997req_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)
998{ 1061{
999 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;
1000 1063
1001 switch (SvTYPE (rv)) 1064 switch (SvTYPE (rv))
… …
1140 const_iv (MAP_NONBLOCK) 1203 const_iv (MAP_NONBLOCK)
1141 const_iv (MAP_GROWSDOWN) 1204 const_iv (MAP_GROWSDOWN)
1142 const_iv (MAP_32BIT) 1205 const_iv (MAP_32BIT)
1143 const_iv (MAP_HUGETLB) 1206 const_iv (MAP_HUGETLB)
1144 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)
1145 1212
1146 const_iv (MREMAP_MAYMOVE) 1213 const_iv (MREMAP_MAYMOVE)
1147 const_iv (MREMAP_FIXED) 1214 const_iv (MREMAP_FIXED)
1148 1215
1149 const_iv (F_DUPFD_CLOEXEC)
1150
1151 const_iv (MSG_CMSG_CLOEXEC) 1216 const_iv (MSG_CMSG_CLOEXEC)
1152 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)
1153 1227
1154 const_iv (F_OFD_GETLK) 1228 const_iv (F_OFD_GETLK)
1155 const_iv (F_OFD_SETLK) 1229 const_iv (F_OFD_SETLK)
1156 const_iv (F_OFD_GETLKW) 1230 const_iv (F_OFD_GETLKW)
1157 1231
… …
1234 1308
1235 const_iv (EFD_CLOEXEC) 1309 const_iv (EFD_CLOEXEC)
1236 const_iv (EFD_NONBLOCK) 1310 const_iv (EFD_NONBLOCK)
1237 const_iv (EFD_SEMAPHORE) 1311 const_iv (EFD_SEMAPHORE)
1238 1312
1313 const_iv (MFD_CLOEXEC)
1314 const_iv (MFD_ALLOW_SEALING)
1315 const_iv (MFD_HUGETLB)
1316
1239 const_iv (CLOCK_REALTIME) 1317 const_iv (CLOCK_REALTIME)
1240 const_iv (CLOCK_MONOTONIC) 1318 const_iv (CLOCK_MONOTONIC)
1241 const_iv (CLOCK_BOOTTIME) 1319 const_iv (CLOCK_BOOTTIME)
1242 const_iv (CLOCK_REALTIME_ALARM) 1320 const_iv (CLOCK_REALTIME_ALARM)
1243 const_iv (CLOCK_BOOTTIME_ALARM) 1321 const_iv (CLOCK_BOOTTIME_ALARM)
… …
1246 const_iv (TFD_CLOEXEC) 1324 const_iv (TFD_CLOEXEC)
1247 1325
1248 const_iv (TFD_TIMER_ABSTIME) 1326 const_iv (TFD_TIMER_ABSTIME)
1249 const_iv (TFD_TIMER_CANCEL_ON_SET) 1327 const_iv (TFD_TIMER_CANCEL_ON_SET)
1250 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)
1403
1251 /* these are libeio constants, and are independent of gendef0 */ 1404 /* these are libeio constants, and are independent of gendef0 */
1252 const_eio (SEEK_SET) 1405 const_eio (SEEK_SET)
1253 const_eio (SEEK_CUR) 1406 const_eio (SEEK_CUR)
1254 const_eio (SEEK_END) 1407 const_eio (SEEK_END)
1255 1408
1256 const_eio (MCL_FUTURE) 1409 const_eio (MCL_FUTURE)
1257 const_eio (MCL_CURRENT) 1410 const_eio (MCL_CURRENT)
1411 const_eio (MCL_ONFAULT)
1258 1412
1259 const_eio (MS_ASYNC) 1413 const_eio (MS_ASYNC)
1260 const_eio (MS_INVALIDATE) 1414 const_eio (MS_INVALIDATE)
1261 const_eio (MS_SYNC) 1415 const_eio (MS_SYNC)
1262 1416
… …
1301 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1455 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1302 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1456 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1303 1457
1304 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1458 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1305 1459
1460 /* allocate dummy pipe fd for aio_close */
1461 {
1462 int pipefd [2];
1463
1464 if (
1465#ifdef _WIN32
1466 _pipe (pipefd, 1, _O_BINARY) < 0
1467#else
1468 pipe (pipefd) < 0
1469 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1470#endif
1471 || close (pipefd [1]) < 0
1472 )
1473 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1474
1475 close_fd = pipefd [0];
1476 }
1477
1306 reinit (); 1478 reinit ();
1307} 1479}
1308 1480
1309void 1481void
1310reinit () 1482reinit ()
… …
1432 1604
1433void 1605void
1434aio_close (SV *fh, SV *callback = &PL_sv_undef) 1606aio_close (SV *fh, SV *callback = &PL_sv_undef)
1435 PPCODE: 1607 PPCODE:
1436{ 1608{
1437 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1438 int fd = s_fileno_croak (fh, 0); 1609 int fd = s_fileno_croak (fh, 0);
1439 dREQ; 1610 dREQ;
1611#if 0
1612 /* partially duplicate logic in s_fileno */
1613 SvGETMAGIC (fh);
1440 1614
1441 if (expect_false (close_fd < 0)) 1615 if (SvROK (fh))
1616 {
1617 fh = SvRV (fh);
1618 SvGETMAGIC (fh);
1619 }
1620
1621 if (SvTYPE (fh) == SVt_PVGV)
1442 { 1622 {
1443 int pipefd [2]; 1623 /* perl filehandle */
1624 PerlIOUnix_refcnt_inc (fd);
1625 do_close ((GV *)fh, 1);
1444 1626
1445 if ( 1627 req->type = EIO_CLOSE;
1446#ifdef _WIN32 1628 req->int1 = fd;
1447 _pipe (pipefd, 1, _O_BINARY) < 0 1629 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1448#else
1449 pipe (pipefd) < 0
1450 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1451#endif
1452 || close (pipefd [1]) < 0
1453 )
1454 abort (); /*D*/
1455
1456 close_fd = pipefd [0];
1457 } 1630 }
1458 1631 else
1632#endif
1633 {
1634 /* fd number */
1459 req->type = EIO_DUP2; 1635 req->type = EIO_DUP2;
1460 req->int1 = close_fd; 1636 req->int1 = close_fd;
1461 req->sv2 = newSVsv (fh); 1637 req->sv2 = newSVsv (fh);
1462 req->int2 = fd; 1638 req->int2 = fd;
1639 }
1463 1640
1464 REQ_SEND; 1641 REQ_SEND;
1465} 1642}
1466 1643
1467void 1644void
… …
1641} 1818}
1642 1819
1643void 1820void
1644st_xtime () 1821st_xtime ()
1645 ALIAS: 1822 ALIAS:
1646 st_atime = 1 1823 st_atime = 0x01
1647 st_mtime = 2 1824 st_mtime = 0x02
1648 st_ctime = 4 1825 st_ctime = 0x04
1826 st_btime = 0x08
1649 st_xtime = 7 1827 st_xtime = 0x0f
1650 PPCODE: 1828 PPCODE:
1651 EXTEND (SP, 3); 1829 EXTEND (SP, 4);
1652 if (ix & 1) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC)); 1830 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1653 if (ix & 2) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC)); 1831 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1654 if (ix & 4) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC)); 1832 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1833 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1655 1834
1656void 1835void
1657st_xtimensec () 1836st_xtimensec ()
1658 ALIAS: 1837 ALIAS:
1659 st_atimensec = 1 1838 st_atimensec = 0x01
1660 st_mtimensec = 2 1839 st_mtimensec = 0x02
1661 st_ctimensec = 4 1840 st_ctimensec = 0x04
1841 st_btimensec = 0x08
1662 st_xtimensec = 7 1842 st_xtimensec = 0x0f
1843 st_btimesec = 0x10
1844 st_gen = 0x20
1663 PPCODE: 1845 PPCODE:
1664 EXTEND (SP, 3); 1846 EXTEND (SP, 4);
1665 if (ix & 1) PUSHs (newSViv (ATIMENSEC)); 1847 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1666 if (ix & 2) PUSHs (newSViv (MTIMENSEC)); 1848 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1667 if (ix & 4) PUSHs (newSViv (CTIMENSEC)); 1849 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1850 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1851 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1852 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1668 1853
1669UV 1854UV
1670major (UV dev) 1855major (UV dev)
1671 ALIAS: 1856 ALIAS:
1672 minor = 1 1857 minor = 1
… …
1789 eio_wd wd2 = 0; 1974 eio_wd wd2 = 0;
1790 dREQ; 1975 dREQ;
1791 1976
1792 req->type = ix; 1977 req->type = ix;
1793 req_set_path1 (req, oldpath); 1978 req_set_path1 (req, oldpath);
1794 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1979 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1795 req->int3 = (long)wd2; 1980 req->int3 = (long)wd2;
1796 1981
1797 REQ_SEND; 1982 REQ_SEND;
1798} 1983}
1799 1984
… …
1804 eio_wd wd2 = 0; 1989 eio_wd wd2 = 0;
1805 dREQ; 1990 dREQ;
1806 1991
1807 req->type = EIO_RENAME; 1992 req->type = EIO_RENAME;
1808 req_set_path1 (req, oldpath); 1993 req_set_path1 (req, oldpath);
1809 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1994 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1810 req->int2 = flags; 1995 req->int2 = flags;
1811 req->int3 = (long)wd2; 1996 req->int3 = (long)wd2;
1812 1997
1813 REQ_SEND; 1998 REQ_SEND;
1814} 1999}
… …
2158} 2343}
2159 OUTPUT: 2344 OUTPUT:
2160 RETVAL 2345 RETVAL
2161 2346
2162int 2347int
2163madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2348madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2164 ALIAS: 2349 ALIAS:
2165 mprotect = 1 2350 mprotect = 1
2166 CODE: 2351 CODE:
2167{ 2352{
2168 STRLEN svlen; 2353 STRLEN svlen;
… …
2189} 2374}
2190 OUTPUT: 2375 OUTPUT:
2191 RETVAL 2376 RETVAL
2192 2377
2193int 2378int
2194munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) 2379munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2195 CODE: 2380 CODE:
2196{ 2381{
2197 STRLEN svlen; 2382 STRLEN svlen;
2198 void *addr = SvPVbyte (scalar, svlen); 2383 void *addr = SvPVbyte (scalar, svlen);
2199 size_t len = SvUV (length); 2384 size_t len = SvUV (length);
… …
2214#else 2399#else
2215 RETVAL = EIO_ENOSYS (); 2400 RETVAL = EIO_ENOSYS ();
2216#endif 2401#endif
2217} 2402}
2218 OUTPUT: 2403 OUTPUT:
2404 RETVAL
2405
2406int
2407mlockall (int flags)
2408 PROTOTYPE: $;
2409 CODE:
2410 RETVAL = eio_mlockall_sync (flags);
2411 OUTPUT:
2219 RETVAL 2412 RETVAL
2220 2413
2221int 2414int
2222munlockall () 2415munlockall ()
2223 CODE: 2416 CODE:
… …
2228#endif 2421#endif
2229 OUTPUT: 2422 OUTPUT:
2230 RETVAL 2423 RETVAL
2231 2424
2232int 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
2233splice (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)
2234 CODE: 2605 CODE:
2235{ 2606{
2236#if HAVE_LINUX_SPLICE 2607#if HAVE_LINUX_SPLICE
2237 loff_t off_in_, off_out_; 2608 loff_t off_in_, off_out_;
… …
2245#endif 2616#endif
2246} 2617}
2247 OUTPUT: 2618 OUTPUT:
2248 RETVAL 2619 RETVAL
2249 2620
2250int 2621ssize_t
2251tee (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)
2252 CODE: 2623 CODE:
2253#if HAVE_LINUX_SPLICE 2624#if HAVE_LINUX_SPLICE
2254 RETVAL = tee (rfh, wfh, length, flags); 2625 RETVAL = tee (rfh, wfh, length, flags);
2255#else 2626#else
… …
2298 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2669 PUSHs (newmortalFH (fd[1], O_WRONLY));
2299 } 2670 }
2300} 2671}
2301 2672
2302void 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 int res;
2687 siginfo_t si = { 0 };
2688
2689 if (SvOK (siginfo))
2690 {
2691 HV *hv;
2692 SV **svp;
2693
2694 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2695 croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
2696
2697 hv = (HV *)SvRV (siginfo);
2698
2699 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2700 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2701 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2702 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2703 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2704 }
2705
2706 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2707 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2708
2709 XPUSHs (sv_2mortal (newSViv (res)));
2710}
2711
2712void
2713pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2714 PPCODE:
2715{
2716 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2717 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2718 XPUSHs (newmortalFH (fd, O_RDWR));
2719}
2720
2721void
2303eventfd (unsigned int initval = 0, int flags = 0) 2722eventfd (unsigned int initval = 0, int flags = 0)
2304 PPCODE: 2723 PPCODE:
2305{ 2724{
2306 int fd; 2725 int fd;
2307#if HAVE_EVENTFD 2726#if HAVE_EVENTFD
… …
2370#else 2789#else
2371 errno = ENOSYS; 2790 errno = ENOSYS;
2372#endif 2791#endif
2373} 2792}
2374 2793
2794void
2795memfd_create (SV8 *pathname, int flags = 0)
2796 PPCODE:
2797{
2798 int fd;
2799#if HAVE_MEMFD_CREATE
2800 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2801#else
2802 fd = (errno = ENOSYS, -1);
2803#endif
2804
2805 XPUSHs (newmortalFH (fd, O_RDWR));
2806}
2807
2375UV 2808UV
2376get_fdlimit () 2809get_fdlimit ()
2377 CODE: 2810 CODE:
2378#if HAVE_RLIMITS 2811#if HAVE_RLIMITS
2379 struct rlimit rl; 2812 struct rlimit rl;
… …
2412 if (0 == setrlimit (RLIMIT_NOFILE, &rl)) 2845 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2413 XSRETURN_YES; 2846 XSRETURN_YES;
2414 2847
2415 if (errno == EPERM) 2848 if (errno == EPERM)
2416 { 2849 {
2417 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ 2850 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2418 /* our limit overflows a system-wide limit */ 2851 /* our limit overflows a system-wide limit */
2419 /* try an adaptive algorithm, but do not lower the hardlimit */ 2852 /* try an adaptive algorithm, but do not lower the hardlimit */
2420 rl.rlim_max = 0; 2853 rl.rlim_max = 0;
2421 for (bit = 0x40000000U; bit; bit >>= 1) 2854 for (bit = 0x40000000U; bit; bit >>= 1)
2422 { 2855 {
2423 rl.rlim_max |= bit; 2856 rl.rlim_max |= bit;
2424 rl.rlim_cur = rl.rlim_max; 2857 rl.rlim_cur = rl.rlim_max;
2425 2858
2426 /* nevr decrease the hard limit */ 2859 /* never decrease the hard limit */
2427 if (rl.rlim_max < orig_rlim_max) 2860 if (rl.rlim_max < orig_rlim_max)
2428 break; 2861 break;
2429 2862
2430 if (0 != setrlimit (RLIMIT_NOFILE, &rl)) 2863 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2431 rl.rlim_max &= ~bit; /* too high, remove bit again */ 2864 rl.rlim_max &= ~bit; /* too high, remove bit again */

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