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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.259 by root, Sun Jul 22 20:39:19 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
13#include <stddef.h> 14#include <stddef.h>
14#include <stdlib.h> 15#include <stdlib.h>
15#include <errno.h> 16#include <errno.h>
16#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
17#include <sys/stat.h> 19#include <sys/stat.h>
18#include <limits.h> 20#include <limits.h>
19#include <fcntl.h> 21#include <fcntl.h>
20#include <sched.h> 22#include <sched.h>
21
22#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
23# include <sys/mman.h>
24#endif
25 23
26/* the incompetent fool that created musl keeps __linux__, refuses 24/* the incompetent fool that created musl keeps __linux__, refuses
27 * 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
28 * 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
29 * for you. 27 * for you.
… …
77 #undef fchmod 75 #undef fchmod
78 #undef dup 76 #undef dup
79 #undef dup2 77 #undef dup2
80 #undef abort 78 #undef abort
81 #undef pipe 79 #undef pipe
80 #undef utime
82 81
83 #define EIO_STRUCT_STAT struct _stati64 82 #define EIO_STRUCT_STAT struct _stati64
84 #define EIO_STRUCT_STATI64 83 #define EIO_STRUCT_STATI64
85 84
86#else 85#else
87 86
88 #include <sys/time.h> 87 #include <sys/time.h>
89 #include <sys/select.h> 88 #include <sys/select.h>
89 #include <sys/wait.h>
90 #include <unistd.h> 90 #include <unistd.h>
91 #include <utime.h> 91 #include <utime.h>
92 #include <signal.h> 92 #include <signal.h>
93 93
94 #define EIO_STRUCT_STAT Stat_t 94 #define EIO_STRUCT_STAT Stat_t
… …
106#define expect_false(expr) expect ((expr) != 0, 0) 106#define expect_false(expr) expect ((expr) != 0, 0)
107#define expect_true(expr) expect ((expr) != 0, 1) 107#define expect_true(expr) expect ((expr) != 0, 1)
108 108
109/*****************************************************************************/ 109/*****************************************************************************/
110 110
111#include "libeio/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
126
127#if HAVE_ST_XTIMENSEC
128# define ATIMENSEC PL_statcache.st_atimensec
129# define MTIMENSEC PL_statcache.st_mtimensec
130# define CTIMENSEC PL_statcache.st_ctimensec
131#elif HAVE_ST_XTIMESPEC
132# define ATIMENSEC PL_statcache.st_atim.tv_nsec
133# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
134# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
135#else
136# define ATIMENSEC 0
137# define MTIMENSEC 0
138# define CTIMENSEC 0
139#endif
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
112 157
113#include "schmorp.h" 158#include "schmorp.h"
114 159
115#if HAVE_EVENTFD 160#if HAVE_EVENTFD
116# include <sys/eventfd.h> 161# include <sys/eventfd.h>
… …
163# else 208# else
164# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 209# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
165# endif 210# endif
166#endif 211#endif
167 212
168/* defines all sorts of constants to 0 unless they are already defined */
169/* also provides const_iv_ and const_niv_ macros for them */
170#include "def0.h"
171
172#ifndef makedev 213#ifndef makedev
173# define makedev(maj,min) (((maj) << 8) | (min)) 214# define makedev(maj,min) (((maj) << 8) | (min))
174#endif 215#endif
175#ifndef major 216#ifndef major
176# define major(dev) ((dev) >> 8) 217# define major(dev) ((dev) >> 8)
177#endif 218#endif
178#ifndef minor 219#ifndef minor
179# define minor(dev) ((dev) & 0xff) 220# define minor(dev) ((dev) & 0xff)
180#endif 221#endif
181 222
223/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
224#ifdef __sun
225# undef PAGESIZE
226#endif
227
182#if PAGESIZE <= 0 228#if PAGESIZE <= 0
183# define PAGESIZE sysconf (_SC_PAGESIZE) 229# define PAGESIZE sysconf (_SC_PAGESIZE)
184#endif 230#endif
185 231
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
186/*****************************************************************************/ 243/*****************************************************************************/
187 244
188#if !_POSIX_MAPPED_FILES 245#if !_POSIX_MAPPED_FILES
189# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () 246# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
190# define munmap(addr,length) EIO_ENOSYS () 247# define munmap(addr,length) EIO_ENOSYS ()
191#endif 248#endif
192 249
193#if !_POSIX_MEMORY_PROTECTION 250#if !_POSIX_MEMORY_PROTECTION
194# define mprotect(addr,len,prot) EIO_ENOSYS () 251# define mprotect(addr,len,prot) EIO_ENOSYS ()
… …
248}; 305};
249 306
250/*****************************************************************************/ 307/*****************************************************************************/
251 308
252/* helper: set scalar to foreign ptr with custom free */ 309/* helper: set scalar to foreign ptr with custom free */
310ecb_noinline
253static void 311static void
254sv_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)
255{ 313{
256 sv_force_normal (sv); 314 sv_force_normal (sv);
257 315
… …
275{ 333{
276 /* todo: iterate over magic and only free ours, but of course */ 334 /* todo: iterate over magic and only free ours, but of course */
277 /* the perl5porters will call that (correct) behaviour buggy */ 335 /* the perl5porters will call that (correct) behaviour buggy */
278 sv_unmagic (sv, FOREIGN_MAGIC); 336 sv_unmagic (sv, FOREIGN_MAGIC);
279} 337}
338
339/*****************************************************************************/
340
341/* defines all sorts of constants to 0 unless they are already defined */
342/* also provides const_iv_ and const_niv_ macros for them */
343#include "def0.h"
280 344
281/*****************************************************************************/ 345/*****************************************************************************/
282 346
283static void 347static void
284fiemap (eio_req *req) 348fiemap (eio_req *req)
… …
292 int count = req->int3; 356 int count = req->int3;
293 357
294 req->flags |= EIO_FLAG_PTR1_FREE; 358 req->flags |= EIO_FLAG_PTR1_FREE;
295 359
296 /* 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, */
297 /* increase in 3.5kb steps */ 361 /* increase in fixed steps */
298 if (count < 0) 362 if (count < 0)
299 count = 8; 363 count = 8;
300 364
301 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 365 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
302 errno = ENOMEM; 366 errno = ENOMEM;
… …
355 419
356 for (count = 0; count < incmap->fm_mapped_extents; ++count) 420 for (count = 0; count < incmap->fm_mapped_extents; ++count)
357 { 421 {
358 struct fiemap_extent *e = incmap->fm_extents + count; 422 struct fiemap_extent *e = incmap->fm_extents + count;
359 423
424 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
425
360 if (e->fe_logical + e->fe_length >= end_offset) 426 if (e->fe_logical >= end_offset)
361 goto done; 427 goto done;
362
363 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
364 428
365 if (e->fe_flags & FIEMAP_EXTENT_LAST) 429 if (e->fe_flags & FIEMAP_EXTENT_LAST)
366 goto done; 430 goto done;
367 431
368 } 432 }
… …
375 errno = ENOSYS; 439 errno = ENOSYS;
376#endif 440#endif
377} 441}
378 442
379/*****************************************************************************/ 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
380 455
381enum { 456enum {
382 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 457 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
383}; 458};
384 459
… …
408 /* read any signals sent by the worker threads */ 483 /* read any signals sent by the worker threads */
409 s_epipe_drain (&respipe); 484 s_epipe_drain (&respipe);
410} 485}
411 486
412/* must be called at most once */ 487/* must be called at most once */
488ecb_noinline
413static SV * 489static SV *
414req_sv (aio_req req, HV *stash) 490req_sv (aio_req req, HV *stash)
415{ 491{
416 if (!req->self) 492 if (!req->self)
417 { 493 {
… …
426newSVaio_wd (aio_wd wd) 502newSVaio_wd (aio_wd wd)
427{ 503{
428 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);
429} 505}
430 506
507ecb_noinline
431static aio_req 508static aio_req
432SvAIO_REQ (SV *sv) 509SvAIO_REQ (SV *sv)
433{ 510{
434 MAGIC *mg; 511 MAGIC *mg;
435 512
… …
498 FREETMPS; 575 FREETMPS;
499 LEAVE; 576 LEAVE;
500 } 577 }
501} 578}
502 579
580ecb_noinline
503static void 581static void
504req_submit (eio_req *req) 582req_submit (eio_req *req)
505{ 583{
506 eio_submit (req); 584 eio_submit (req);
507 585
… …
768 } 846 }
769 else 847 else
770 PUSHs (sv_result); 848 PUSHs (sv_result);
771 break; 849 break;
772 850
851#if 0
852 case EIO_CLOSE:
853 PerlIOUnix_refcnt_dec (req->int1);
854 break;
855#endif
856
773 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 */
774 if (req->result > 0) 858 if (req->result > 0)
775 SvIV_set (sv_result, 0); 859 SvIV_set (sv_result, 0);
776 /* FALLTHROUGH */ 860 /* FALLTHROUGH */
777 861
… …
828 grp->sv2 = 0; 912 grp->sv2 = 0;
829 913
830 eio_grp_cancel (grp); 914 eio_grp_cancel (grp);
831} 915}
832 916
833static void ecb_cold 917ecb_cold
918static void
834create_respipe (void) 919create_respipe (void)
835{ 920{
836 if (s_epipe_renew (&respipe)) 921 if (s_epipe_renew (&respipe))
837 croak ("IO::AIO: unable to initialize result pipe"); 922 croak ("IO::AIO: unable to initialize result pipe");
838} 923}
… …
872 957
873 poll_wait (); 958 poll_wait ();
874 } 959 }
875} 960}
876 961
877static void ecb_cold 962ecb_cold
963static void
878reinit (void) 964reinit (void)
879{ 965{
880 create_respipe (); 966 create_respipe ();
881 967
882 if (eio_init (want_poll, done_poll) < 0) 968 if (eio_init (want_poll, done_poll) < 0)
… …
890{ 976{
891 SvGETMAGIC (cb_sv); 977 SvGETMAGIC (cb_sv);
892 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 978 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
893} 979}
894 980
981ecb_noinline
895static aio_req ecb_noinline 982static aio_req ecb_noinline
896dreq (SV *callback) 983dreq (SV *callback)
897{ 984{
898 SV *cb_cv; 985 SV *cb_cv;
899 aio_req req; 986 aio_req req;
… …
921 SPAGAIN; \ 1008 SPAGAIN; \
922 \ 1009 \
923 if (GIMME_V != G_VOID) \ 1010 if (GIMME_V != G_VOID) \
924 XPUSHs (req_sv (req, aio_req_stash)); 1011 XPUSHs (req_sv (req, aio_req_stash));
925 1012
1013/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
926ecb_inline void 1014ecb_inline
1015void
927req_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)
928{ 1017{
929 if (expect_false (SvROK (path))) 1018 if (expect_false (SvROK (path)))
930 { 1019 {
931 SV *rv = SvRV (path); 1020 SV *rv = SvRV (path);
932 SV *wdob; 1021 SV *wdob;
… …
957 1046
958 *pathsv = newSVsv (path); 1047 *pathsv = newSVsv (path);
959 *ptr = SvPVbyte_nolen (*pathsv); 1048 *ptr = SvPVbyte_nolen (*pathsv);
960} 1049}
961 1050
962static void ecb_noinline 1051ecb_noinline
1052static void
963req_set_path1 (aio_req req, SV *path) 1053req_set_path1 (aio_req req, SV *path)
964{ 1054{
965 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);
966} 1056}
967 1057
968static void ecb_noinline 1058ecb_noinline
1059static void
969req_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)
970{ 1061{
971 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;
972 1063
973 switch (SvTYPE (rv)) 1064 switch (SvTYPE (rv))
… …
1112 const_iv (MAP_NONBLOCK) 1203 const_iv (MAP_NONBLOCK)
1113 const_iv (MAP_GROWSDOWN) 1204 const_iv (MAP_GROWSDOWN)
1114 const_iv (MAP_32BIT) 1205 const_iv (MAP_32BIT)
1115 const_iv (MAP_HUGETLB) 1206 const_iv (MAP_HUGETLB)
1116 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)
1117 1212
1118 const_iv (MREMAP_MAYMOVE) 1213 const_iv (MREMAP_MAYMOVE)
1119 const_iv (MREMAP_FIXED) 1214 const_iv (MREMAP_FIXED)
1120 1215
1216 const_iv (MSG_CMSG_CLOEXEC)
1217 const_iv (SOCK_CLOEXEC)
1218
1121 const_iv (F_DUPFD_CLOEXEC) 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)
1122 1227
1123 const_iv (F_OFD_GETLK) 1228 const_iv (F_OFD_GETLK)
1124 const_iv (F_OFD_SETLK) 1229 const_iv (F_OFD_SETLK)
1125 const_iv (F_OFD_GETLKW) 1230 const_iv (F_OFD_GETLKW)
1126 1231
… …
1203 1308
1204 const_iv (EFD_CLOEXEC) 1309 const_iv (EFD_CLOEXEC)
1205 const_iv (EFD_NONBLOCK) 1310 const_iv (EFD_NONBLOCK)
1206 const_iv (EFD_SEMAPHORE) 1311 const_iv (EFD_SEMAPHORE)
1207 1312
1313 const_iv (MFD_CLOEXEC)
1314 const_iv (MFD_ALLOW_SEALING)
1315 const_iv (MFD_HUGETLB)
1316
1208 const_iv (CLOCK_REALTIME) 1317 const_iv (CLOCK_REALTIME)
1209 const_iv (CLOCK_MONOTONIC) 1318 const_iv (CLOCK_MONOTONIC)
1210 const_iv (CLOCK_BOOTTIME) 1319 const_iv (CLOCK_BOOTTIME)
1211 const_iv (CLOCK_REALTIME_ALARM) 1320 const_iv (CLOCK_REALTIME_ALARM)
1212 const_iv (CLOCK_BOOTTIME_ALARM) 1321 const_iv (CLOCK_BOOTTIME_ALARM)
… …
1215 const_iv (TFD_CLOEXEC) 1324 const_iv (TFD_CLOEXEC)
1216 1325
1217 const_iv (TFD_TIMER_ABSTIME) 1326 const_iv (TFD_TIMER_ABSTIME)
1218 const_iv (TFD_TIMER_CANCEL_ON_SET) 1327 const_iv (TFD_TIMER_CANCEL_ON_SET)
1219 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
1220 /* these are libeio constants, and are independent of gendef0 */ 1404 /* these are libeio constants, and are independent of gendef0 */
1221 const_eio (SEEK_SET) 1405 const_eio (SEEK_SET)
1222 const_eio (SEEK_CUR) 1406 const_eio (SEEK_CUR)
1223 const_eio (SEEK_END) 1407 const_eio (SEEK_END)
1224 1408
1225 const_eio (MCL_FUTURE) 1409 const_eio (MCL_FUTURE)
1226 const_eio (MCL_CURRENT) 1410 const_eio (MCL_CURRENT)
1411 const_eio (MCL_ONFAULT)
1227 1412
1228 const_eio (MS_ASYNC) 1413 const_eio (MS_ASYNC)
1229 const_eio (MS_INVALIDATE) 1414 const_eio (MS_INVALIDATE)
1230 const_eio (MS_SYNC) 1415 const_eio (MS_SYNC)
1231 1416
… …
1270 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--)
1271 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1456 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1272 1457
1273 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1458 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1274 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
1275 reinit (); 1478 reinit ();
1276} 1479}
1277 1480
1278void 1481void
1279reinit () 1482reinit ()
… …
1401 1604
1402void 1605void
1403aio_close (SV *fh, SV *callback = &PL_sv_undef) 1606aio_close (SV *fh, SV *callback = &PL_sv_undef)
1404 PPCODE: 1607 PPCODE:
1405{ 1608{
1406 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1407 int fd = s_fileno_croak (fh, 0); 1609 int fd = s_fileno_croak (fh, 0);
1408 dREQ; 1610 dREQ;
1611#if 0
1612 /* partially duplicate logic in s_fileno */
1613 SvGETMAGIC (fh);
1409 1614
1410 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)
1411 { 1622 {
1412 int pipefd [2]; 1623 /* perl filehandle */
1624 PerlIOUnix_refcnt_inc (fd);
1625 do_close ((GV *)fh, 1);
1413 1626
1414 if ( 1627 req->type = EIO_CLOSE;
1415#ifdef _WIN32 1628 req->int1 = fd;
1416 _pipe (pipefd, 1, _O_BINARY) < 0 1629 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1417#else
1418 pipe (pipefd) < 0
1419 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1420#endif
1421 || close (pipefd [1]) < 0
1422 )
1423 abort (); /*D*/
1424
1425 close_fd = pipefd [0];
1426 } 1630 }
1427 1631 else
1632#endif
1633 {
1634 /* fd number */
1428 req->type = EIO_DUP2; 1635 req->type = EIO_DUP2;
1429 req->int1 = close_fd; 1636 req->int1 = close_fd;
1430 req->sv2 = newSVsv (fh); 1637 req->sv2 = newSVsv (fh);
1431 req->int2 = fd; 1638 req->int2 = fd;
1639 }
1432 1640
1433 REQ_SEND; 1641 REQ_SEND;
1434} 1642}
1435 1643
1436void 1644void
… …
1607 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1815 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1608 1816
1609 REQ_SEND; 1817 REQ_SEND;
1610} 1818}
1611 1819
1820void
1821st_xtime ()
1822 ALIAS:
1823 st_atime = 0x01
1824 st_mtime = 0x02
1825 st_ctime = 0x04
1826 st_btime = 0x08
1827 st_xtime = 0x0f
1828 PPCODE:
1829 EXTEND (SP, 4);
1830 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1831 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1832 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1833 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1834
1835void
1836st_xtimensec ()
1837 ALIAS:
1838 st_atimensec = 0x01
1839 st_mtimensec = 0x02
1840 st_ctimensec = 0x04
1841 st_btimensec = 0x08
1842 st_xtimensec = 0x0f
1843 st_btimesec = 0x10
1844 st_gen = 0x20
1845 PPCODE:
1846 EXTEND (SP, 4);
1847 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1848 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
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));
1853
1612UV 1854UV
1613major (UV dev) 1855major (UV dev)
1614 ALIAS: 1856 ALIAS:
1615 minor = 1 1857 minor = 1
1616 CODE: 1858 CODE:
… …
1732 eio_wd wd2 = 0; 1974 eio_wd wd2 = 0;
1733 dREQ; 1975 dREQ;
1734 1976
1735 req->type = ix; 1977 req->type = ix;
1736 req_set_path1 (req, oldpath); 1978 req_set_path1 (req, oldpath);
1737 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1979 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1738 req->int3 = (long)wd2; 1980 req->int3 = (long)wd2;
1739 1981
1740 REQ_SEND; 1982 REQ_SEND;
1741} 1983}
1742 1984
… …
1747 eio_wd wd2 = 0; 1989 eio_wd wd2 = 0;
1748 dREQ; 1990 dREQ;
1749 1991
1750 req->type = EIO_RENAME; 1992 req->type = EIO_RENAME;
1751 req_set_path1 (req, oldpath); 1993 req_set_path1 (req, oldpath);
1752 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1994 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1753 req->int2 = flags; 1995 req->int2 = flags;
1754 req->int3 = (long)wd2; 1996 req->int3 = (long)wd2;
1755 1997
1756 REQ_SEND; 1998 REQ_SEND;
1757} 1999}
… …
2071munmap (SV *scalar) 2313munmap (SV *scalar)
2072 CODE: 2314 CODE:
2073 sv_clear_foreign (scalar); 2315 sv_clear_foreign (scalar);
2074 2316
2075SV * 2317SV *
2076mremap (SV *scalar, STRLEN new_length, int flags = 0, IV new_address = 0) 2318mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2077 CODE: 2319 CODE:
2078{ 2320{
2079 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl); 2321 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2080 void *new; 2322 void *new;
2081 2323
… …
2101} 2343}
2102 OUTPUT: 2344 OUTPUT:
2103 RETVAL 2345 RETVAL
2104 2346
2105int 2347int
2106madvise (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)
2107 ALIAS: 2349 ALIAS:
2108 mprotect = 1 2350 mprotect = 1
2109 CODE: 2351 CODE:
2110{ 2352{
2111 STRLEN svlen; 2353 STRLEN svlen;
… …
2132} 2374}
2133 OUTPUT: 2375 OUTPUT:
2134 RETVAL 2376 RETVAL
2135 2377
2136int 2378int
2137munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) 2379munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2138 CODE: 2380 CODE:
2139{ 2381{
2140 STRLEN svlen; 2382 STRLEN svlen;
2141 void *addr = SvPVbyte (scalar, svlen); 2383 void *addr = SvPVbyte (scalar, svlen);
2142 size_t len = SvUV (length); 2384 size_t len = SvUV (length);
… …
2157#else 2399#else
2158 RETVAL = EIO_ENOSYS (); 2400 RETVAL = EIO_ENOSYS ();
2159#endif 2401#endif
2160} 2402}
2161 OUTPUT: 2403 OUTPUT:
2404 RETVAL
2405
2406int
2407mlockall (int flags)
2408 PROTOTYPE: $;
2409 CODE:
2410 RETVAL = eio_mlockall_sync (flags);
2411 OUTPUT:
2162 RETVAL 2412 RETVAL
2163 2413
2164int 2414int
2165munlockall () 2415munlockall ()
2166 CODE: 2416 CODE:
… …
2171#endif 2421#endif
2172 OUTPUT: 2422 OUTPUT:
2173 RETVAL 2423 RETVAL
2174 2424
2175int 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
2176splice (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)
2177 CODE: 2605 CODE:
2178{ 2606{
2179#if HAVE_LINUX_SPLICE 2607#if HAVE_LINUX_SPLICE
2180 loff_t off_in_, off_out_; 2608 loff_t off_in_, off_out_;
… …
2188#endif 2616#endif
2189} 2617}
2190 OUTPUT: 2618 OUTPUT:
2191 RETVAL 2619 RETVAL
2192 2620
2193int 2621ssize_t
2194tee (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)
2195 CODE: 2623 CODE:
2196#if HAVE_LINUX_SPLICE 2624#if HAVE_LINUX_SPLICE
2197 RETVAL = tee (rfh, wfh, length, flags); 2625 RETVAL = tee (rfh, wfh, length, flags);
2198#else 2626#else
… …
2241 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2669 PUSHs (newmortalFH (fd[1], O_WRONLY));
2242 } 2670 }
2243} 2671}
2244 2672
2245void 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
2246eventfd (unsigned int initval = 0, int flags = 0) 2722eventfd (unsigned int initval = 0, int flags = 0)
2247 PPCODE: 2723 PPCODE:
2248{ 2724{
2249 int fd; 2725 int fd;
2250#if HAVE_EVENTFD 2726#if HAVE_EVENTFD
… …
2313#else 2789#else
2314 errno = ENOSYS; 2790 errno = ENOSYS;
2315#endif 2791#endif
2316} 2792}
2317 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
2318UV 2808UV
2319get_fdlimit () 2809get_fdlimit ()
2320 CODE: 2810 CODE:
2321#if HAVE_RLIMITS 2811#if HAVE_RLIMITS
2322 struct rlimit rl; 2812 struct rlimit rl;
… …
2355 if (0 == setrlimit (RLIMIT_NOFILE, &rl)) 2845 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2356 XSRETURN_YES; 2846 XSRETURN_YES;
2357 2847
2358 if (errno == EPERM) 2848 if (errno == EPERM)
2359 { 2849 {
2360 /* 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 */
2361 /* our limit overflows a system-wide limit */ 2851 /* our limit overflows a system-wide limit */
2362 /* try an adaptive algorithm, but do not lower the hardlimit */ 2852 /* try an adaptive algorithm, but do not lower the hardlimit */
2363 rl.rlim_max = 0; 2853 rl.rlim_max = 0;
2364 for (bit = 0x40000000U; bit; bit >>= 1) 2854 for (bit = 0x40000000U; bit; bit >>= 1)
2365 { 2855 {
2366 rl.rlim_max |= bit; 2856 rl.rlim_max |= bit;
2367 rl.rlim_cur = rl.rlim_max; 2857 rl.rlim_cur = rl.rlim_max;
2368 2858
2369 /* nevr decrease the hard limit */ 2859 /* never decrease the hard limit */
2370 if (rl.rlim_max < orig_rlim_max) 2860 if (rl.rlim_max < orig_rlim_max)
2371 break; 2861 break;
2372 2862
2373 if (0 != setrlimit (RLIMIT_NOFILE, &rl)) 2863 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2374 rl.rlim_max &= ~bit; /* too high, remove bit again */ 2864 rl.rlim_max &= ~bit; /* too high, remove bit again */

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