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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.255 by root, Tue Feb 20 06:05:19 2018 UTC vs.
Revision 1.289 by root, Mon Jan 4 22:19:06 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"
9
10#if !defined mg_findext
11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
12#endif
8 13
9#include <stddef.h> 14#include <stddef.h>
10#include <stdlib.h> 15#include <stdlib.h>
11#include <errno.h> 16#include <errno.h>
12#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
13#include <sys/stat.h> 19#include <sys/stat.h>
14#include <limits.h> 20#include <limits.h>
15#include <fcntl.h> 21#include <fcntl.h>
16#include <sched.h> 22#include <sched.h>
17
18#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
19# include <sys/mman.h>
20#endif
21 23
22/* the incompetent fool that created musl keeps __linux__, refuses 24/* the incompetent fool that created musl keeps __linux__, refuses
23 * 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
24 * 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
25 * for you. 27 * for you.
… …
73 #undef fchmod 75 #undef fchmod
74 #undef dup 76 #undef dup
75 #undef dup2 77 #undef dup2
76 #undef abort 78 #undef abort
77 #undef pipe 79 #undef pipe
80 #undef utime
78 81
79 #define EIO_STRUCT_STAT struct _stati64 82 #define EIO_STRUCT_STAT struct _stati64
80 #define EIO_STRUCT_STATI64 83 #define EIO_STRUCT_STATI64
81 84
82#else 85#else
83 86
84 #include <sys/time.h> 87 #include <sys/time.h>
85 #include <sys/select.h> 88 #include <sys/select.h>
89 #include <sys/wait.h>
86 #include <unistd.h> 90 #include <unistd.h>
87 #include <utime.h> 91 #include <utime.h>
88 #include <signal.h> 92 #include <signal.h>
89 93
90 #define EIO_STRUCT_STAT Stat_t 94 #define EIO_STRUCT_STAT Stat_t
… …
102#define expect_false(expr) expect ((expr) != 0, 0) 106#define expect_false(expr) expect ((expr) != 0, 0)
103#define expect_true(expr) expect ((expr) != 0, 1) 107#define expect_true(expr) expect ((expr) != 0, 1)
104 108
105/*****************************************************************************/ 109/*****************************************************************************/
106 110
107#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
108 157
109#include "schmorp.h" 158#include "schmorp.h"
110 159
111#if HAVE_EVENTFD 160#if HAVE_EVENTFD
112# include <sys/eventfd.h> 161# include <sys/eventfd.h>
… …
159# else 208# else
160# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 209# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
161# endif 210# endif
162#endif 211#endif
163 212
164/* defines all sorts of constants to 0 unless they are already defined */
165/* also provides const_iv_ and const_niv_ macros for them */
166#include "def0.h"
167
168#ifndef makedev 213#ifndef makedev
169# define makedev(maj,min) (((maj) << 8) | (min)) 214# define makedev(maj,min) (((maj) << 8) | (min))
170#endif 215#endif
171#ifndef major 216#ifndef major
172# define major(dev) ((dev) >> 8) 217# define major(dev) ((dev) >> 8)
173#endif 218#endif
174#ifndef minor 219#ifndef minor
175# define minor(dev) ((dev) & 0xff) 220# define minor(dev) ((dev) & 0xff)
176#endif 221#endif
177 222
223/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
224#ifdef __sun
225# undef PAGESIZE
226#endif
227
178#if PAGESIZE <= 0 228#if PAGESIZE <= 0
179# define PAGESIZE sysconf (_SC_PAGESIZE) 229# define PAGESIZE sysconf (_SC_PAGESIZE)
180#endif 230#endif
181 231
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
182/*****************************************************************************/ 243/*****************************************************************************/
183 244
184#if !_POSIX_MAPPED_FILES 245#if !_POSIX_MAPPED_FILES
185# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () 246# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
186# define munmap(addr,length) EIO_ENOSYS () 247# define munmap(addr,length) EIO_ENOSYS ()
187#endif 248#endif
188 249
189#if !_POSIX_MEMORY_PROTECTION 250#if !_POSIX_MEMORY_PROTECTION
190# define mprotect(addr,len,prot) EIO_ENOSYS () 251# define mprotect(addr,len,prot) EIO_ENOSYS ()
252#endif
253
254#if !MREMAP_MAYMOVE
255# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
191#endif 256#endif
192 257
193#define FOREIGN_MAGIC PERL_MAGIC_ext 258#define FOREIGN_MAGIC PERL_MAGIC_ext
194 259
195static int ecb_cold 260static int ecb_cold
… …
240}; 305};
241 306
242/*****************************************************************************/ 307/*****************************************************************************/
243 308
244/* helper: set scalar to foreign ptr with custom free */ 309/* helper: set scalar to foreign ptr with custom free */
310ecb_noinline
245static void 311static void
246sv_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)
247{ 313{
248 sv_force_normal (sv); 314 sv_force_normal (sv);
249 315
… …
267{ 333{
268 /* todo: iterate over magic and only free ours, but of course */ 334 /* todo: iterate over magic and only free ours, but of course */
269 /* the perl5porters will call that (correct) behaviour buggy */ 335 /* the perl5porters will call that (correct) behaviour buggy */
270 sv_unmagic (sv, FOREIGN_MAGIC); 336 sv_unmagic (sv, FOREIGN_MAGIC);
271} 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"
272 344
273/*****************************************************************************/ 345/*****************************************************************************/
274 346
275static void 347static void
276fiemap (eio_req *req) 348fiemap (eio_req *req)
… …
284 int count = req->int3; 356 int count = req->int3;
285 357
286 req->flags |= EIO_FLAG_PTR1_FREE; 358 req->flags |= EIO_FLAG_PTR1_FREE;
287 359
288 /* 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, */
289 /* increase in 3.5kb steps */ 361 /* increase in fixed steps */
290 if (count < 0) 362 if (count < 0)
291 count = 8; 363 count = 8;
292 364
293 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 365 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
294 errno = ENOMEM; 366 errno = ENOMEM;
… …
347 419
348 for (count = 0; count < incmap->fm_mapped_extents; ++count) 420 for (count = 0; count < incmap->fm_mapped_extents; ++count)
349 { 421 {
350 struct fiemap_extent *e = incmap->fm_extents + count; 422 struct fiemap_extent *e = incmap->fm_extents + count;
351 423
424 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
425
352 if (e->fe_logical + e->fe_length >= end_offset) 426 if (e->fe_logical >= end_offset)
353 goto done; 427 goto done;
354
355 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
356 428
357 if (e->fe_flags & FIEMAP_EXTENT_LAST) 429 if (e->fe_flags & FIEMAP_EXTENT_LAST)
358 goto done; 430 goto done;
359 431
360 } 432 }
… …
367 errno = ENOSYS; 439 errno = ENOSYS;
368#endif 440#endif
369} 441}
370 442
371/*****************************************************************************/ 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
372 455
373enum { 456enum {
374 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 457 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
375}; 458};
376 459
… …
400 /* read any signals sent by the worker threads */ 483 /* read any signals sent by the worker threads */
401 s_epipe_drain (&respipe); 484 s_epipe_drain (&respipe);
402} 485}
403 486
404/* must be called at most once */ 487/* must be called at most once */
488ecb_noinline
405static SV * 489static SV *
406req_sv (aio_req req, HV *stash) 490req_sv (aio_req req, HV *stash)
407{ 491{
408 if (!req->self) 492 if (!req->self)
409 { 493 {
… …
418newSVaio_wd (aio_wd wd) 502newSVaio_wd (aio_wd wd)
419{ 503{
420 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);
421} 505}
422 506
507ecb_noinline
423static aio_req 508static aio_req
424SvAIO_REQ (SV *sv) 509SvAIO_REQ (SV *sv)
425{ 510{
426 MAGIC *mg; 511 MAGIC *mg;
427 512
… …
490 FREETMPS; 575 FREETMPS;
491 LEAVE; 576 LEAVE;
492 } 577 }
493} 578}
494 579
580ecb_noinline
495static void 581static void
496req_submit (eio_req *req) 582req_submit (eio_req *req)
497{ 583{
498 eio_submit (req); 584 eio_submit (req);
499 585
… …
760 } 846 }
761 else 847 else
762 PUSHs (sv_result); 848 PUSHs (sv_result);
763 break; 849 break;
764 850
851#if 0
852 case EIO_CLOSE:
853 PerlIOUnix_refcnt_dec (req->int1);
854 break;
855#endif
856
765 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 */
766 if (req->result > 0) 858 if (req->result > 0)
767 SvIV_set (sv_result, 0); 859 SvIV_set (sv_result, 0);
768 /* FALLTHROUGH */ 860 /* FALLTHROUGH */
769 861
… …
820 grp->sv2 = 0; 912 grp->sv2 = 0;
821 913
822 eio_grp_cancel (grp); 914 eio_grp_cancel (grp);
823} 915}
824 916
825static void ecb_cold 917ecb_cold
918static void
826create_respipe (void) 919create_respipe (void)
827{ 920{
828 if (s_epipe_renew (&respipe)) 921 if (s_epipe_renew (&respipe))
829 croak ("IO::AIO: unable to initialize result pipe"); 922 croak ("IO::AIO: unable to initialize result pipe");
830} 923}
… …
864 957
865 poll_wait (); 958 poll_wait ();
866 } 959 }
867} 960}
868 961
869static void ecb_cold 962ecb_cold
963static void
870reinit (void) 964reinit (void)
871{ 965{
872 create_respipe (); 966 create_respipe ();
873 967
874 if (eio_init (want_poll, done_poll) < 0) 968 if (eio_init (want_poll, done_poll) < 0)
… …
882{ 976{
883 SvGETMAGIC (cb_sv); 977 SvGETMAGIC (cb_sv);
884 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 978 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
885} 979}
886 980
981ecb_noinline
887static aio_req ecb_noinline 982static aio_req ecb_noinline
888dreq (SV *callback) 983dreq (SV *callback)
889{ 984{
890 SV *cb_cv; 985 SV *cb_cv;
891 aio_req req; 986 aio_req req;
… …
913 SPAGAIN; \ 1008 SPAGAIN; \
914 \ 1009 \
915 if (GIMME_V != G_VOID) \ 1010 if (GIMME_V != G_VOID) \
916 XPUSHs (req_sv (req, aio_req_stash)); 1011 XPUSHs (req_sv (req, aio_req_stash));
917 1012
1013/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
918ecb_inline void 1014ecb_inline
1015void
919req_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)
920{ 1017{
921 if (expect_false (SvROK (path))) 1018 if (expect_false (SvROK (path)))
922 { 1019 {
923 SV *rv = SvRV (path); 1020 SV *rv = SvRV (path);
924 SV *wdob; 1021 SV *wdob;
… …
949 1046
950 *pathsv = newSVsv (path); 1047 *pathsv = newSVsv (path);
951 *ptr = SvPVbyte_nolen (*pathsv); 1048 *ptr = SvPVbyte_nolen (*pathsv);
952} 1049}
953 1050
954static void ecb_noinline 1051ecb_noinline
1052static void
955req_set_path1 (aio_req req, SV *path) 1053req_set_path1 (aio_req req, SV *path)
956{ 1054{
957 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);
958} 1056}
959 1057
960static void ecb_noinline 1058ecb_noinline
1059static void
961req_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)
962{ 1061{
963 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;
964 1063
965 switch (SvTYPE (rv)) 1064 switch (SvTYPE (rv))
… …
1034 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) 1133 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1035 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) 1134 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1036 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) 1135 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1037 1136
1038 /* the second block will be 0 when missing */ 1137 /* the second block will be 0 when missing */
1138 const_iv (O_ACCMODE)
1139
1039 const_iv (O_RDONLY) 1140 const_iv (O_RDONLY)
1040 const_iv (O_WRONLY) 1141 const_iv (O_WRONLY)
1041 const_iv (O_RDWR) 1142 const_iv (O_RDWR)
1042 const_iv (O_CREAT) 1143 const_iv (O_CREAT)
1043 const_iv (O_TRUNC) 1144 const_iv (O_TRUNC)
… …
1103 const_iv (MAP_GROWSDOWN) 1204 const_iv (MAP_GROWSDOWN)
1104 const_iv (MAP_32BIT) 1205 const_iv (MAP_32BIT)
1105 const_iv (MAP_HUGETLB) 1206 const_iv (MAP_HUGETLB)
1106 const_iv (MAP_STACK) 1207 const_iv (MAP_STACK)
1107 1208
1209 const_iv (MREMAP_MAYMOVE)
1210 const_iv (MREMAP_FIXED)
1211
1212 const_iv (MSG_CMSG_CLOEXEC)
1213 const_iv (SOCK_CLOEXEC)
1214
1108 const_iv (F_DUPFD_CLOEXEC) 1215 const_iv (F_DUPFD_CLOEXEC)
1216
1217 const_iv (F_ADD_SEALS)
1218 const_iv (F_GET_SEALS)
1219 const_iv (F_SEAL_SEAL)
1220 const_iv (F_SEAL_SHRINK)
1221 const_iv (F_SEAL_GROW)
1222 const_iv (F_SEAL_WRITE)
1109 1223
1110 const_iv (F_OFD_GETLK) 1224 const_iv (F_OFD_GETLK)
1111 const_iv (F_OFD_SETLK) 1225 const_iv (F_OFD_SETLK)
1112 const_iv (F_OFD_GETLKW) 1226 const_iv (F_OFD_GETLKW)
1113 1227
… …
1190 1304
1191 const_iv (EFD_CLOEXEC) 1305 const_iv (EFD_CLOEXEC)
1192 const_iv (EFD_NONBLOCK) 1306 const_iv (EFD_NONBLOCK)
1193 const_iv (EFD_SEMAPHORE) 1307 const_iv (EFD_SEMAPHORE)
1194 1308
1309 const_iv (MFD_CLOEXEC)
1310 const_iv (MFD_ALLOW_SEALING)
1311 const_iv (MFD_HUGETLB)
1312
1195 const_iv (CLOCK_REALTIME) 1313 const_iv (CLOCK_REALTIME)
1196 const_iv (CLOCK_MONOTONIC) 1314 const_iv (CLOCK_MONOTONIC)
1197 const_iv (CLOCK_BOOTTIME) 1315 const_iv (CLOCK_BOOTTIME)
1198 const_iv (CLOCK_REALTIME_ALARM) 1316 const_iv (CLOCK_REALTIME_ALARM)
1199 const_iv (CLOCK_BOOTTIME_ALARM) 1317 const_iv (CLOCK_BOOTTIME_ALARM)
… …
1202 const_iv (TFD_CLOEXEC) 1320 const_iv (TFD_CLOEXEC)
1203 1321
1204 const_iv (TFD_TIMER_ABSTIME) 1322 const_iv (TFD_TIMER_ABSTIME)
1205 const_iv (TFD_TIMER_CANCEL_ON_SET) 1323 const_iv (TFD_TIMER_CANCEL_ON_SET)
1206 1324
1325 const_iv (STATX_TYPE)
1326 const_iv (STATX_MODE)
1327 const_iv (STATX_NLINK)
1328 const_iv (STATX_UID)
1329 const_iv (STATX_GID)
1330 const_iv (STATX_ATIME)
1331 const_iv (STATX_MTIME)
1332 const_iv (STATX_CTIME)
1333 const_iv (STATX_INO)
1334 const_iv (STATX_SIZE)
1335 const_iv (STATX_BLOCKS)
1336 const_iv (STATX_BASIC_STATS)
1337 const_iv (STATX_ALL)
1338 const_iv (STATX_BTIME)
1339 const_iv (STATX_ATTR_COMPRESSED)
1340 const_iv (STATX_ATTR_IMMUTABLE)
1341 const_iv (STATX_ATTR_APPEND)
1342 const_iv (STATX_ATTR_NODUMP)
1343 const_iv (STATX_ATTR_ENCRYPTED)
1344 const_iv (STATX_ATTR_AUTOMOUNT)
1345
1346 const_iv (AT_FDCWD)
1347 const_iv (AT_SYMLINK_NOFOLLOW)
1348 const_iv (AT_EACCESS)
1349 const_iv (AT_REMOVEDIR)
1350 const_iv (AT_SYMLINK_FOLLOW)
1351 const_iv (AT_NO_AUTOMOUNT)
1352 const_iv (AT_EMPTY_PATH)
1353 const_iv (AT_STATX_SYNC_TYPE)
1354 const_iv (AT_STATX_AS_STAT)
1355 const_iv (AT_STATX_FORCE_SYNC)
1356 const_iv (AT_STATX_DONT_SYNC)
1357 const_iv (AT_RECURSIVE)
1358
1359 const_iv (OPEN_TREE_CLONE)
1360
1361 const_iv (FSOPEN_CLOEXEC)
1362
1363 const_iv (FSPICK_CLOEXEC)
1364 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1365 const_iv (FSPICK_NO_AUTOMOUNT)
1366 const_iv (FSPICK_EMPTY_PATH)
1367
1368 const_iv (MOVE_MOUNT_F_SYMLINKS)
1369 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1370 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1371 const_iv (MOVE_MOUNT_T_SYMLINKS)
1372 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1373 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1374
1375 /* waitid */
1376 const_iv (P_PID)
1377 const_iv (P_PIDFD)
1378 const_iv (P_PGID)
1379 const_iv (P_ALL)
1380
1381 const_iv (FSCONFIG_SET_FLAG)
1382 const_iv (FSCONFIG_SET_STRING)
1383 const_iv (FSCONFIG_SET_BINARY)
1384 const_iv (FSCONFIG_SET_PATH)
1385 const_iv (FSCONFIG_SET_PATH_EMPTY)
1386 const_iv (FSCONFIG_SET_FD)
1387 const_iv (FSCONFIG_CMD_CREATE)
1388 const_iv (FSCONFIG_CMD_RECONFIGURE)
1389
1390 const_iv (MOUNT_ATTR_RDONLY)
1391 const_iv (MOUNT_ATTR_NOSUID)
1392 const_iv (MOUNT_ATTR_NODEV)
1393 const_iv (MOUNT_ATTR_NOEXEC)
1394 const_iv (MOUNT_ATTR__ATIME)
1395 const_iv (MOUNT_ATTR_RELATIME)
1396 const_iv (MOUNT_ATTR_NOATIME)
1397 const_iv (MOUNT_ATTR_STRICTATIME)
1398 const_iv (MOUNT_ATTR_NODIRATIME)
1399
1207 /* these are libeio constants, and are independent of gendef0 */ 1400 /* these are libeio constants, and are independent of gendef0 */
1208 const_eio (SEEK_SET) 1401 const_eio (SEEK_SET)
1209 const_eio (SEEK_CUR) 1402 const_eio (SEEK_CUR)
1210 const_eio (SEEK_END) 1403 const_eio (SEEK_END)
1211 1404
1212 const_eio (MCL_FUTURE) 1405 const_eio (MCL_FUTURE)
1213 const_eio (MCL_CURRENT) 1406 const_eio (MCL_CURRENT)
1407 const_eio (MCL_ONFAULT)
1214 1408
1215 const_eio (MS_ASYNC) 1409 const_eio (MS_ASYNC)
1216 const_eio (MS_INVALIDATE) 1410 const_eio (MS_INVALIDATE)
1217 const_eio (MS_SYNC) 1411 const_eio (MS_SYNC)
1218 1412
… …
1257 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1451 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1258 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1452 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1259 1453
1260 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1454 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1261 1455
1456 /* allocate dummy pipe fd for aio_close */
1457 {
1458 int pipefd [2];
1459
1460 if (
1461#ifdef _WIN32
1462 _pipe (pipefd, 1, _O_BINARY) < 0
1463#else
1464 pipe (pipefd) < 0
1465 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1466#endif
1467 || close (pipefd [1]) < 0
1468 )
1469 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1470
1471 close_fd = pipefd [0];
1472 }
1473
1262 reinit (); 1474 reinit ();
1263} 1475}
1264 1476
1265void 1477void
1266reinit () 1478reinit ()
… …
1388 1600
1389void 1601void
1390aio_close (SV *fh, SV *callback = &PL_sv_undef) 1602aio_close (SV *fh, SV *callback = &PL_sv_undef)
1391 PPCODE: 1603 PPCODE:
1392{ 1604{
1393 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1394 int fd = s_fileno_croak (fh, 0); 1605 int fd = s_fileno_croak (fh, 0);
1395 dREQ; 1606 dREQ;
1607#if 0
1608 /* partially duplicate logic in s_fileno */
1609 SvGETMAGIC (fh);
1396 1610
1397 if (expect_false (close_fd < 0)) 1611 if (SvROK (fh))
1612 {
1613 fh = SvRV (fh);
1614 SvGETMAGIC (fh);
1615 }
1616
1617 if (SvTYPE (fh) == SVt_PVGV)
1398 { 1618 {
1399 int pipefd [2]; 1619 /* perl filehandle */
1620 PerlIOUnix_refcnt_inc (fd);
1621 do_close ((GV *)fh, 1);
1400 1622
1401 if ( 1623 req->type = EIO_CLOSE;
1402#ifdef _WIN32 1624 req->int1 = fd;
1403 _pipe (pipefd, 1, _O_BINARY) < 0 1625 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1404#else
1405 pipe (pipefd) < 0
1406 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1407#endif
1408 || close (pipefd [1]) < 0
1409 )
1410 abort (); /*D*/
1411
1412 close_fd = pipefd [0];
1413 } 1626 }
1414 1627 else
1628#endif
1629 {
1630 /* fd number */
1415 req->type = EIO_DUP2; 1631 req->type = EIO_DUP2;
1416 req->int1 = close_fd; 1632 req->int1 = close_fd;
1417 req->sv2 = newSVsv (fh); 1633 req->sv2 = newSVsv (fh);
1418 req->int2 = fd; 1634 req->int2 = fd;
1635 }
1419 1636
1420 REQ_SEND; 1637 REQ_SEND;
1421} 1638}
1422 1639
1423void 1640void
… …
1594 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1811 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1595 1812
1596 REQ_SEND; 1813 REQ_SEND;
1597} 1814}
1598 1815
1816void
1817st_xtime ()
1818 ALIAS:
1819 st_atime = 0x01
1820 st_mtime = 0x02
1821 st_ctime = 0x04
1822 st_btime = 0x08
1823 st_xtime = 0x0f
1824 PPCODE:
1825 EXTEND (SP, 4);
1826 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1827 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1828 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1829 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1830
1831void
1832st_xtimensec ()
1833 ALIAS:
1834 st_atimensec = 0x01
1835 st_mtimensec = 0x02
1836 st_ctimensec = 0x04
1837 st_btimensec = 0x08
1838 st_xtimensec = 0x0f
1839 st_btimesec = 0x10
1840 st_gen = 0x20
1841 PPCODE:
1842 EXTEND (SP, 4);
1843 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1844 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1845 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1846 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1847 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1848 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1849
1599UV 1850UV
1600major (UV dev) 1851major (UV dev)
1601 ALIAS: 1852 ALIAS:
1602 minor = 1 1853 minor = 1
1603 CODE: 1854 CODE:
… …
1719 eio_wd wd2 = 0; 1970 eio_wd wd2 = 0;
1720 dREQ; 1971 dREQ;
1721 1972
1722 req->type = ix; 1973 req->type = ix;
1723 req_set_path1 (req, oldpath); 1974 req_set_path1 (req, oldpath);
1724 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1975 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1725 req->int3 = (long)wd2; 1976 req->int3 = (long)wd2;
1726 1977
1727 REQ_SEND; 1978 REQ_SEND;
1728} 1979}
1729 1980
… …
1734 eio_wd wd2 = 0; 1985 eio_wd wd2 = 0;
1735 dREQ; 1986 dREQ;
1736 1987
1737 req->type = EIO_RENAME; 1988 req->type = EIO_RENAME;
1738 req_set_path1 (req, oldpath); 1989 req_set_path1 (req, oldpath);
1739 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1990 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1740 req->int2 = flags; 1991 req->int2 = flags;
1741 req->int3 = (long)wd2; 1992 req->int3 = (long)wd2;
1742 1993
1743 REQ_SEND; 1994 REQ_SEND;
1744} 1995}
… …
2057void 2308void
2058munmap (SV *scalar) 2309munmap (SV *scalar)
2059 CODE: 2310 CODE:
2060 sv_clear_foreign (scalar); 2311 sv_clear_foreign (scalar);
2061 2312
2313SV *
2314mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2315 CODE:
2316{
2317 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2318 void *new;
2319
2320 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2321 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2322
2323 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2324
2325 RETVAL = &PL_sv_no;
2326
2327 if (new != (void *)-1)
2328 {
2329 RETVAL = new == (void *)mg->mg_ptr
2330 ? newSVpvn ("0 but true", 10)
2331 : &PL_sv_yes;
2332
2333 mg->mg_ptr = (char *)new;
2334 mg->mg_obj = (SV *)new_length;
2335
2336 SvPVX (scalar) = mg->mg_ptr;
2337 SvCUR_set (scalar, new_length);
2338 }
2339}
2340 OUTPUT:
2341 RETVAL
2342
2062int 2343int
2063madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2344madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2064 ALIAS: 2345 ALIAS:
2065 mprotect = 1 2346 mprotect = 1
2066 CODE: 2347 CODE:
2067{ 2348{
2068 STRLEN svlen; 2349 STRLEN svlen;
… …
2089} 2370}
2090 OUTPUT: 2371 OUTPUT:
2091 RETVAL 2372 RETVAL
2092 2373
2093int 2374int
2094munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) 2375munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2095 CODE: 2376 CODE:
2096{ 2377{
2097 STRLEN svlen; 2378 STRLEN svlen;
2098 void *addr = SvPVbyte (scalar, svlen); 2379 void *addr = SvPVbyte (scalar, svlen);
2099 size_t len = SvUV (length); 2380 size_t len = SvUV (length);
… …
2114#else 2395#else
2115 RETVAL = EIO_ENOSYS (); 2396 RETVAL = EIO_ENOSYS ();
2116#endif 2397#endif
2117} 2398}
2118 OUTPUT: 2399 OUTPUT:
2400 RETVAL
2401
2402int
2403mlockall (int flags)
2404 PROTOTYPE: $;
2405 CODE:
2406 RETVAL = eio_mlockall_sync (flags);
2407 OUTPUT:
2119 RETVAL 2408 RETVAL
2120 2409
2121int 2410int
2122munlockall () 2411munlockall ()
2123 CODE: 2412 CODE:
… …
2128#endif 2417#endif
2129 OUTPUT: 2418 OUTPUT:
2130 RETVAL 2419 RETVAL
2131 2420
2132int 2421int
2422statx (SV8 *pathname, int flags, UV mask)
2423 CODE:
2424{
2425 /* undocumented, and might go away, and anyway, should use eio_statx */
2426 SV *wdsv = 0;
2427 SV *pathsv = 0;
2428 eio_wd wd = EIO_CWD;
2429 void *ptr;
2430 int res;
2431
2432 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2433 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2434
2435 SvREFCNT_dec (pathsv);
2436 SvREFCNT_dec (wdsv);
2437}
2438 OUTPUT:
2439 RETVAL
2440
2441U32
2442stx_mode ()
2443 PROTOTYPE:
2444 CODE:
2445#if HAVE_STATX
2446 RETVAL = stx.stx_mode;
2447#else
2448 XSRETURN_UNDEF;
2449#endif
2450 OUTPUT:
2451 RETVAL
2452
2453#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2454#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2455#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2456#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2457#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2458#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2459#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2460#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2461#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2462#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2463#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2464#define STATX_OFFSET_size statx_offsetof (stx_size)
2465#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2466#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2467#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2468#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2469#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2470#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2471
2472U32
2473stx_mask ()
2474 PROTOTYPE:
2475 ALIAS:
2476 stx_mask = STATX_OFFSET_mask
2477 stx_blksize = STATX_OFFSET_blksize
2478 stx_nlink = STATX_OFFSET_nlink
2479 stx_uid = STATX_OFFSET_uid
2480 stx_gid = STATX_OFFSET_gid
2481 stx_rdev_major = STATX_OFFSET_rdev_major
2482 stx_rdev_minor = STATX_OFFSET_rdev_minor
2483 stx_dev_major = STATX_OFFSET_dev_major
2484 stx_dev_minor = STATX_OFFSET_dev_minor
2485 CODE:
2486#if HAVE_STATX
2487 RETVAL = *(__u32 *)((char *)&stx + ix);
2488#else
2489 XSRETURN_UNDEF;
2490#endif
2491 OUTPUT:
2492 RETVAL
2493
2494VAL64
2495stx_attributes ()
2496 PROTOTYPE:
2497 ALIAS:
2498 stx_attributes = STATX_OFFSET_attributes
2499 stx_ino = STATX_OFFSET_ino
2500 stx_size = STATX_OFFSET_size
2501 stx_blocks = STATX_OFFSET_blocks
2502 stx_attributes_mask = STATX_OFFSET_attributes_mask
2503 CODE:
2504#if HAVE_STATX
2505 RETVAL = *(__u64 *)((char *)&stx + ix);
2506#else
2507 XSRETURN_UNDEF;
2508#endif
2509 OUTPUT:
2510 RETVAL
2511
2512NV
2513stx_atime ()
2514 PROTOTYPE:
2515 ALIAS:
2516 stx_atime = STATX_OFFSET_atime
2517 stx_btime = STATX_OFFSET_btime
2518 stx_ctime = STATX_OFFSET_ctime
2519 stx_mtime = STATX_OFFSET_mtime
2520 CODE:
2521#if HAVE_STATX
2522 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2523 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2524#else
2525 XSRETURN_UNDEF;
2526#endif
2527 OUTPUT:
2528 RETVAL
2529
2530VAL64
2531stx_atimesec ()
2532 PROTOTYPE:
2533 ALIAS:
2534 stx_atimesec = STATX_OFFSET_atime
2535 stx_btimesec = STATX_OFFSET_btime
2536 stx_ctimesec = STATX_OFFSET_ctime
2537 stx_mtimesec = STATX_OFFSET_mtime
2538 CODE:
2539#if HAVE_STATX
2540 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2541 RETVAL = ts->tv_sec;
2542#else
2543 XSRETURN_UNDEF;
2544#endif
2545 OUTPUT:
2546 RETVAL
2547
2548U32
2549stx_atimensec ()
2550 PROTOTYPE:
2551 ALIAS:
2552 stx_atimensec = STATX_OFFSET_atime
2553 stx_btimensec = STATX_OFFSET_btime
2554 stx_ctimensec = STATX_OFFSET_ctime
2555 stx_mtimensec = STATX_OFFSET_mtime
2556 CODE:
2557#if HAVE_STATX
2558 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2559 RETVAL = ts->tv_nsec;
2560#else
2561 RETVAL = 0;
2562#endif
2563 OUTPUT:
2564 RETVAL
2565
2566void
2567accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2568 PPCODE:
2569{
2570 SV *retval;
2571#if HAVE_ACCEPT4
2572 socklen_t salen_ = salen ? salen + 1 : 0;
2573
2574 if (salen)
2575 {
2576 sv_upgrade (sockaddr, SVt_PV);
2577 sv_grow (sockaddr, salen_);
2578 }
2579
2580 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2581
2582 retval = newmortalFH (res, O_RDWR);
2583
2584 if (res >= 0 && salen > 0)
2585 {
2586 if (salen_ > salen + 1)
2587 salen_ = salen + 1;
2588
2589 SvPOK_only (sockaddr);
2590 SvCUR_set (sockaddr, salen_);
2591 }
2592#else
2593 errno = ENOSYS;
2594 retval = &PL_sv_undef;
2595#endif
2596 XPUSHs (retval);
2597}
2598
2599ssize_t
2133splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) 2600splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2134 CODE: 2601 CODE:
2135{ 2602{
2136#if HAVE_LINUX_SPLICE 2603#if HAVE_LINUX_SPLICE
2137 loff_t off_in_, off_out_; 2604 loff_t off_in_, off_out_;
… …
2145#endif 2612#endif
2146} 2613}
2147 OUTPUT: 2614 OUTPUT:
2148 RETVAL 2615 RETVAL
2149 2616
2150int 2617ssize_t
2151tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) 2618tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2152 CODE: 2619 CODE:
2153#if HAVE_LINUX_SPLICE 2620#if HAVE_LINUX_SPLICE
2154 RETVAL = tee (rfh, wfh, length, flags); 2621 RETVAL = tee (rfh, wfh, length, flags);
2155#else 2622#else
… …
2198 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2665 PUSHs (newmortalFH (fd[1], O_WRONLY));
2199 } 2666 }
2200} 2667}
2201 2668
2202void 2669void
2670pidfd_open (int pid, unsigned int flags = 0)
2671 PPCODE:
2672{
2673 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2674 int fd = syscall (SYS_pidfd_open, pid, flags);
2675 XPUSHs (newmortalFH (fd, O_RDWR));
2676}
2677
2678int
2679pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2680 PPCODE:
2681{
2682 int res;
2683 siginfo_t si = { 0 };
2684
2685 if (SvOK (siginfo))
2686 {
2687 HV *hv;
2688 SV **svp;
2689
2690 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2691 croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
2692
2693 hv = (HV *)SvRV (siginfo);
2694
2695 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2696 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2697 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2698 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2699 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2700 }
2701
2702 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2703 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2704
2705 XPUSHs (sv_2mortal (newSViv (res)));
2706}
2707
2708void
2709pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2710 PPCODE:
2711{
2712 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2713 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2714 XPUSHs (newmortalFH (fd, O_RDWR));
2715}
2716
2717void
2203eventfd (unsigned int initval = 0, int flags = 0) 2718eventfd (unsigned int initval = 0, int flags = 0)
2204 PPCODE: 2719 PPCODE:
2205{ 2720{
2206 int fd; 2721 int fd;
2207#if HAVE_EVENTFD 2722#if HAVE_EVENTFD
… …
2230void 2745void
2231timerfd_settime (SV *fh, int flags, NV interval, NV value) 2746timerfd_settime (SV *fh, int flags, NV interval, NV value)
2232 PPCODE: 2747 PPCODE:
2233{ 2748{
2234 int fd = s_fileno_croak (fh, 0); 2749 int fd = s_fileno_croak (fh, 0);
2750#if HAVE_TIMERFD
2235 int res; 2751 int res;
2236 struct itimerspec its, ots; 2752 struct itimerspec its, ots;
2237 2753
2238 ts_set (&its.it_interval, interval); 2754 ts_set (&its.it_interval, interval);
2239 ts_set (&its.it_value , value); 2755 ts_set (&its.it_value , value);
2240#if HAVE_TIMERFD
2241 res = timerfd_settime (fd, flags, &its, &ots); 2756 res = timerfd_settime (fd, flags, &its, &ots);
2242#else
2243 res = (errno = ENOSYS, -1);
2244#endif
2245 2757
2246 if (!res) 2758 if (!res)
2247 { 2759 {
2248 EXTEND (SP, 2); 2760 EXTEND (SP, 2);
2249 PUSHs (newSVnv (ts_get (&ots.it_interval))); 2761 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2250 PUSHs (newSVnv (ts_get (&ots.it_value))); 2762 PUSHs (newSVnv (ts_get (&ots.it_value)));
2251 } 2763 }
2764#else
2765 errno = ENOSYS;
2766#endif
2252} 2767}
2253 2768
2254void 2769void
2255timerfd_gettime (SV *fh) 2770timerfd_gettime (SV *fh)
2256 PPCODE: 2771 PPCODE:
2257{ 2772{
2258 int fd = s_fileno_croak (fh, 0); 2773 int fd = s_fileno_croak (fh, 0);
2774#if HAVE_TIMERFD
2259 int res; 2775 int res;
2260 struct itimerspec ots; 2776 struct itimerspec ots;
2261#if HAVE_TIMERFD
2262 res = timerfd_gettime (fd, &ots); 2777 res = timerfd_gettime (fd, &ots);
2263#else
2264 res = (errno = ENOSYS, -1);
2265#endif
2266 2778
2267 if (!res) 2779 if (!res)
2268 { 2780 {
2269 EXTEND (SP, 2); 2781 EXTEND (SP, 2);
2270 PUSHs (newSVnv (ts_get (&ots.it_interval))); 2782 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2271 PUSHs (newSVnv (ts_get (&ots.it_value))); 2783 PUSHs (newSVnv (ts_get (&ots.it_value)));
2272 } 2784 }
2785#else
2786 errno = ENOSYS;
2787#endif
2788}
2789
2790void
2791memfd_create (SV8 *pathname, int flags = 0)
2792 PPCODE:
2793{
2794 int fd;
2795#if HAVE_MEMFD_CREATE
2796 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2797#else
2798 fd = (errno = ENOSYS, -1);
2799#endif
2800
2801 XPUSHs (newmortalFH (fd, O_RDWR));
2273} 2802}
2274 2803
2275UV 2804UV
2276get_fdlimit () 2805get_fdlimit ()
2277 CODE: 2806 CODE:
… …
2312 if (0 == setrlimit (RLIMIT_NOFILE, &rl)) 2841 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2313 XSRETURN_YES; 2842 XSRETURN_YES;
2314 2843
2315 if (errno == EPERM) 2844 if (errno == EPERM)
2316 { 2845 {
2317 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ 2846 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2318 /* our limit overflows a system-wide limit */ 2847 /* our limit overflows a system-wide limit */
2319 /* try an adaptive algorithm, but do not lower the hardlimit */ 2848 /* try an adaptive algorithm, but do not lower the hardlimit */
2320 rl.rlim_max = 0; 2849 rl.rlim_max = 0;
2321 for (bit = 0x40000000U; bit; bit >>= 1) 2850 for (bit = 0x40000000U; bit; bit >>= 1)
2322 { 2851 {
2323 rl.rlim_max |= bit; 2852 rl.rlim_max |= bit;
2324 rl.rlim_cur = rl.rlim_max; 2853 rl.rlim_cur = rl.rlim_max;
2325 2854
2326 /* nevr decrease the hard limit */ 2855 /* never decrease the hard limit */
2327 if (rl.rlim_max < orig_rlim_max) 2856 if (rl.rlim_max < orig_rlim_max)
2328 break; 2857 break;
2329 2858
2330 if (0 != setrlimit (RLIMIT_NOFILE, &rl)) 2859 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2331 rl.rlim_max &= ~bit; /* too high, remove bit again */ 2860 rl.rlim_max &= ~bit; /* too high, remove bit again */

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