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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 1.296 by root, Mon Sep 5 08:43:58 2022 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
33/* the incompetent fool that created musl keeps __linux__, refuses
34 * 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
36 * for you.
37 */
38#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
39# include <linux/fs.h>
40# ifdef FS_IOC_FIEMAP
41# include <linux/types.h>
42# include <linux/fiemap.h>
43# define HAVE_FIEMAP 1
44# endif
45#endif
46 23
47/* perl namespace pollution */ 24/* perl namespace pollution */
48#undef VERSION 25#undef VERSION
49 26
50/* perl stupidly overrides readdir and maybe others */ 27/* perl stupidly overrides readdir and maybe others */
… …
84 #undef fchmod 61 #undef fchmod
85 #undef dup 62 #undef dup
86 #undef dup2 63 #undef dup2
87 #undef abort 64 #undef abort
88 #undef pipe 65 #undef pipe
66 #undef utime
89 67
90 #define EIO_STRUCT_STAT struct _stati64 68 #define EIO_STRUCT_STAT struct _stati64
91 #define EIO_STRUCT_STATI64 69 #define EIO_STRUCT_STATI64
92 70
93#else 71#else
94 72
95 #include <sys/time.h> 73 #include <sys/time.h>
96 #include <sys/select.h> 74 #include <sys/select.h>
75 #include <sys/wait.h>
97 #include <unistd.h> 76 #include <unistd.h>
98 #include <utime.h> 77 #include <utime.h>
99 #include <signal.h> 78 #include <signal.h>
100 79
101 #define EIO_STRUCT_STAT Stat_t 80 #define EIO_STRUCT_STAT Stat_t
… …
114#define expect_true(expr) expect ((expr) != 0, 1) 93#define expect_true(expr) expect ((expr) != 0, 1)
115 94
116/*****************************************************************************/ 95/*****************************************************************************/
117 96
118#include "config.h" 97#include "config.h"
98
99#if HAVE_SYS_MKDEV_H
100# include <sys/mkdev.h>
101#elif HAVE_SYS_SYSMACROS_H
102# include <sys/sysmacros.h>
103#endif
104
105#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
106# include <sys/mman.h>
107#endif
108
109#if HAVE_SYS_UIO_H
110# include <sys/uio.h>
111#endif
112
113/* MUST be included before linux/fs.h, as the latter includes
114 * linux/mount.h, which is incompatible to sys/mount.h
115 */
116#if HAVE_SYS_MOUNT_H
117# include <sys/mount.h>
118#endif
119
120/* the incompetent fool that created musl keeps __linux__, refuses
121 * to implement any linux standard apis, and also has no way to test
122 * for his broken implementation. don't complain to me if this fails
123 * for you.
124 */
125#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
126# include <linux/fs.h> /* MUST be included after sys/mount.h */
127# ifdef FS_IOC_FIEMAP
128# include <linux/types.h>
129# include <linux/fiemap.h>
130# undef HAVE_FIEMAP
131# define HAVE_FIEMAP 1
132# endif
133#endif
119 134
120#if HAVE_ST_XTIMENSEC 135#if HAVE_ST_XTIMENSEC
121# define ATIMENSEC PL_statcache.st_atimensec 136# define ATIMENSEC PL_statcache.st_atimensec
122# define MTIMENSEC PL_statcache.st_mtimensec 137# define MTIMENSEC PL_statcache.st_mtimensec
123# define CTIMENSEC PL_statcache.st_ctimensec 138# define CTIMENSEC PL_statcache.st_ctimensec
… …
129# define ATIMENSEC 0 144# define ATIMENSEC 0
130# define MTIMENSEC 0 145# define MTIMENSEC 0
131# define CTIMENSEC 0 146# define CTIMENSEC 0
132#endif 147#endif
133 148
149#if HAVE_ST_BIRTHTIMENSEC
150# define BTIMESEC PL_statcache.st_birthtime
151# define BTIMENSEC PL_statcache.st_birthtimensec
152#elif HAVE_ST_BIRTHTIMESPEC
153# define BTIMESEC PL_statcache.st_birthtim.tv_sec
154# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
155#else
156# define BTIMESEC 0
157# define BTIMENSEC 0
158#endif
159
160#if HAVE_ST_GEN
161# define ST_GEN PL_statcache.st_gen
162#else
163# define ST_GEN 0
164#endif
165
134#include "schmorp.h" 166#include "schmorp.h"
135 167
136#if HAVE_EVENTFD 168#if HAVE_EVENTFD
137# include <sys/eventfd.h> 169# include <sys/eventfd.h>
138#endif 170#endif
… …
145 #include <sys/time.h> 177 #include <sys/time.h>
146 #include <sys/resource.h> 178 #include <sys/resource.h>
147#endif 179#endif
148 180
149typedef SV SV8; /* byte-sv, used for argument-checking */ 181typedef SV SV8; /* byte-sv, used for argument-checking */
182typedef char *octet_string;
183typedef char *octet_string_ornull;
150typedef int aio_rfd; /* read file desriptor */ 184typedef int aio_rfd; /* read file desriptor */
151typedef int aio_wfd; /* write file descriptor */ 185typedef int aio_wfd; /* write file descriptor */
152 186
153static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; 187static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
154 188
… …
203 237
204#if PAGESIZE <= 0 238#if PAGESIZE <= 0
205# define PAGESIZE sysconf (_SC_PAGESIZE) 239# define PAGESIZE sysconf (_SC_PAGESIZE)
206#endif 240#endif
207 241
242/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
243#ifdef __sun
244# undef HAVE_SYSCALL
245#endif
246
247#if HAVE_SYSCALL
248#include <sys/syscall.h>
249#else
250# define syscall(nr,...) (errno = ENOSYS, -1)
251#endif
252
208/*****************************************************************************/ 253/*****************************************************************************/
209 254
210#if !_POSIX_MAPPED_FILES 255#if !_POSIX_MAPPED_FILES
211# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1) 256# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
212# define munmap(addr,length) EIO_ENOSYS () 257# define munmap(addr,length) EIO_ENOSYS ()
… …
270}; 315};
271 316
272/*****************************************************************************/ 317/*****************************************************************************/
273 318
274/* helper: set scalar to foreign ptr with custom free */ 319/* helper: set scalar to foreign ptr with custom free */
320ecb_noinline
275static void 321static void
276sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length) 322sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
277{ 323{
278 sv_force_normal (sv); 324 sv_force_normal (sv);
279 325
… …
320 int count = req->int3; 366 int count = req->int3;
321 367
322 req->flags |= EIO_FLAG_PTR1_FREE; 368 req->flags |= EIO_FLAG_PTR1_FREE;
323 369
324 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ 370 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
325 /* increase in 3.5kb steps */ 371 /* increase in fixed steps */
326 if (count < 0) 372 if (count < 0)
327 count = 8; 373 count = 8;
328 374
329 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 375 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
330 errno = ENOMEM; 376 errno = ENOMEM;
… …
383 429
384 for (count = 0; count < incmap->fm_mapped_extents; ++count) 430 for (count = 0; count < incmap->fm_mapped_extents; ++count)
385 { 431 {
386 struct fiemap_extent *e = incmap->fm_extents + count; 432 struct fiemap_extent *e = incmap->fm_extents + count;
387 433
434 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
435
388 if (e->fe_logical + e->fe_length >= end_offset) 436 if (e->fe_logical >= end_offset)
389 goto done; 437 goto done;
390
391 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
392 438
393 if (e->fe_flags & FIEMAP_EXTENT_LAST) 439 if (e->fe_flags & FIEMAP_EXTENT_LAST)
394 goto done; 440 goto done;
395 441
396 } 442 }
… …
403 errno = ENOSYS; 449 errno = ENOSYS;
404#endif 450#endif
405} 451}
406 452
407/*****************************************************************************/ 453/*****************************************************************************/
454
455static int close_fd; /* dummy fd to close fds via dup2 */
456
457#if HAVE_STATX
458static struct statx stx;
459#define statx_offsetof(member) offsetof (struct statx, member)
460#define eio__statx statx
461#else
462#define statx_offsetof(member) 0
463#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
464#endif
408 465
409enum { 466enum {
410 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 467 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
411}; 468};
412 469
… …
436 /* read any signals sent by the worker threads */ 493 /* read any signals sent by the worker threads */
437 s_epipe_drain (&respipe); 494 s_epipe_drain (&respipe);
438} 495}
439 496
440/* must be called at most once */ 497/* must be called at most once */
498ecb_noinline
441static SV * 499static SV *
442req_sv (aio_req req, HV *stash) 500req_sv (aio_req req, HV *stash)
443{ 501{
444 if (!req->self) 502 if (!req->self)
445 { 503 {
… …
454newSVaio_wd (aio_wd wd) 512newSVaio_wd (aio_wd wd)
455{ 513{
456 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); 514 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
457} 515}
458 516
517ecb_noinline
459static aio_req 518static aio_req
460SvAIO_REQ (SV *sv) 519SvAIO_REQ (SV *sv)
461{ 520{
462 MAGIC *mg; 521 MAGIC *mg;
463 522
… …
526 FREETMPS; 585 FREETMPS;
527 LEAVE; 586 LEAVE;
528 } 587 }
529} 588}
530 589
590ecb_noinline
531static void 591static void
532req_submit (eio_req *req) 592req_submit (eio_req *req)
533{ 593{
534 eio_submit (req); 594 eio_submit (req);
535 595
… …
796 } 856 }
797 else 857 else
798 PUSHs (sv_result); 858 PUSHs (sv_result);
799 break; 859 break;
800 860
861#if 0
862 case EIO_CLOSE:
863 PerlIOUnix_refcnt_dec (req->int1);
864 break;
865#endif
866
801 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 867 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
802 if (req->result > 0) 868 if (req->result > 0)
803 SvIV_set (sv_result, 0); 869 SvIV_set (sv_result, 0);
804 /* FALLTHROUGH */ 870 /* FALLTHROUGH */
805 871
… …
856 grp->sv2 = 0; 922 grp->sv2 = 0;
857 923
858 eio_grp_cancel (grp); 924 eio_grp_cancel (grp);
859} 925}
860 926
861static void ecb_cold 927ecb_cold
928static void
862create_respipe (void) 929create_respipe (void)
863{ 930{
864 if (s_epipe_renew (&respipe)) 931 if (s_epipe_renew (&respipe))
865 croak ("IO::AIO: unable to initialize result pipe"); 932 croak ("IO::AIO: unable to initialize result pipe");
866} 933}
… …
900 967
901 poll_wait (); 968 poll_wait ();
902 } 969 }
903} 970}
904 971
905static void ecb_cold 972ecb_cold
973static void
906reinit (void) 974reinit (void)
907{ 975{
908 create_respipe (); 976 create_respipe ();
909 977
910 if (eio_init (want_poll, done_poll) < 0) 978 if (eio_init (want_poll, done_poll) < 0)
… …
918{ 986{
919 SvGETMAGIC (cb_sv); 987 SvGETMAGIC (cb_sv);
920 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 988 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
921} 989}
922 990
991ecb_noinline
923static aio_req ecb_noinline 992static aio_req ecb_noinline
924dreq (SV *callback) 993dreq (SV *callback)
925{ 994{
926 SV *cb_cv; 995 SV *cb_cv;
927 aio_req req; 996 aio_req req;
… …
949 SPAGAIN; \ 1018 SPAGAIN; \
950 \ 1019 \
951 if (GIMME_V != G_VOID) \ 1020 if (GIMME_V != G_VOID) \
952 XPUSHs (req_sv (req, aio_req_stash)); 1021 XPUSHs (req_sv (req, aio_req_stash));
953 1022
1023/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
954ecb_inline void 1024ecb_inline
1025void
955req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) 1026req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
956{ 1027{
957 if (expect_false (SvROK (path))) 1028 if (expect_false (SvROK (path)))
958 { 1029 {
959 SV *rv = SvRV (path); 1030 SV *rv = SvRV (path);
960 SV *wdob; 1031 SV *wdob;
… …
985 1056
986 *pathsv = newSVsv (path); 1057 *pathsv = newSVsv (path);
987 *ptr = SvPVbyte_nolen (*pathsv); 1058 *ptr = SvPVbyte_nolen (*pathsv);
988} 1059}
989 1060
990static void ecb_noinline 1061ecb_noinline
1062static void
991req_set_path1 (aio_req req, SV *path) 1063req_set_path1 (aio_req req, SV *path)
992{ 1064{
993 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); 1065 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
994} 1066}
995 1067
996static void ecb_noinline 1068ecb_noinline
1069static void
997req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) 1070req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
998{ 1071{
999 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; 1072 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1000 1073
1001 switch (SvTYPE (rv)) 1074 switch (SvTYPE (rv))
… …
1026 1099
1027static NV 1100static NV
1028ts_get (const struct timespec *ts) 1101ts_get (const struct timespec *ts)
1029{ 1102{
1030 return ts->tv_sec + ts->tv_nsec * 1e-9; 1103 return ts->tv_sec + ts->tv_nsec * 1e-9;
1104}
1105
1106/*****************************************************************************/
1107
1108/* extract a ref-to-array of strings into a temporary c style string vector */
1109static char **
1110extract_stringvec (SV *sv, const char *croakmsg)
1111{
1112 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
1113 croak (croakmsg);
1114
1115 AV *av = (AV *)SvRV (sv);
1116 int i, nelem = av_len (av) + 1;
1117 char **vecp = (char **)SvPVX (sv_2mortal (newSV (sizeof (char *) * (nelem + 1))));
1118
1119 for (i = 0; i < nelem; ++i)
1120 {
1121 SV **e = av_fetch (av, i, 0);
1122
1123 if (e && *e)
1124 vecp[i] = SvPVbyte_nolen (*e);
1125 else
1126 vecp[i] = "";
1127 }
1128
1129 vecp[nelem] = 0;
1130
1131 return vecp;
1031} 1132}
1032 1133
1033/*****************************************************************************/ 1134/*****************************************************************************/
1034 1135
1035XS(boot_IO__AIO) ecb_cold; 1136XS(boot_IO__AIO) ecb_cold;
… …
1140 const_iv (MAP_NONBLOCK) 1241 const_iv (MAP_NONBLOCK)
1141 const_iv (MAP_GROWSDOWN) 1242 const_iv (MAP_GROWSDOWN)
1142 const_iv (MAP_32BIT) 1243 const_iv (MAP_32BIT)
1143 const_iv (MAP_HUGETLB) 1244 const_iv (MAP_HUGETLB)
1144 const_iv (MAP_STACK) 1245 const_iv (MAP_STACK)
1246 const_iv (MAP_FIXED_NOREPLACE)
1247 const_iv (MAP_SHARED_VALIDATE)
1248 const_iv (MAP_SYNC)
1249 const_iv (MAP_UNINITIALIZED)
1145 1250
1146 const_iv (MREMAP_MAYMOVE) 1251 const_iv (MREMAP_MAYMOVE)
1147 const_iv (MREMAP_FIXED) 1252 const_iv (MREMAP_FIXED)
1148 1253
1149 const_iv (F_DUPFD_CLOEXEC)
1150
1151 const_iv (MSG_CMSG_CLOEXEC) 1254 const_iv (MSG_CMSG_CLOEXEC)
1152 const_iv (SOCK_CLOEXEC) 1255 const_iv (SOCK_CLOEXEC)
1256
1257 const_iv (F_DUPFD_CLOEXEC)
1258
1259 const_iv (F_ADD_SEALS)
1260 const_iv (F_GET_SEALS)
1261 const_iv (F_SEAL_SEAL)
1262 const_iv (F_SEAL_SHRINK)
1263 const_iv (F_SEAL_GROW)
1264 const_iv (F_SEAL_WRITE)
1153 1265
1154 const_iv (F_OFD_GETLK) 1266 const_iv (F_OFD_GETLK)
1155 const_iv (F_OFD_SETLK) 1267 const_iv (F_OFD_SETLK)
1156 const_iv (F_OFD_GETLKW) 1268 const_iv (F_OFD_GETLKW)
1157 1269
… …
1234 1346
1235 const_iv (EFD_CLOEXEC) 1347 const_iv (EFD_CLOEXEC)
1236 const_iv (EFD_NONBLOCK) 1348 const_iv (EFD_NONBLOCK)
1237 const_iv (EFD_SEMAPHORE) 1349 const_iv (EFD_SEMAPHORE)
1238 1350
1351 const_iv (MFD_CLOEXEC)
1352 const_iv (MFD_ALLOW_SEALING)
1353 const_iv (MFD_HUGETLB)
1354 const_iv (MFD_HUGETLB_2MB)
1355 const_iv (MFD_HUGETLB_1GB)
1356
1239 const_iv (CLOCK_REALTIME) 1357 const_iv (CLOCK_REALTIME)
1240 const_iv (CLOCK_MONOTONIC) 1358 const_iv (CLOCK_MONOTONIC)
1241 const_iv (CLOCK_BOOTTIME) 1359 const_iv (CLOCK_BOOTTIME)
1242 const_iv (CLOCK_REALTIME_ALARM) 1360 const_iv (CLOCK_REALTIME_ALARM)
1243 const_iv (CLOCK_BOOTTIME_ALARM) 1361 const_iv (CLOCK_BOOTTIME_ALARM)
… …
1246 const_iv (TFD_CLOEXEC) 1364 const_iv (TFD_CLOEXEC)
1247 1365
1248 const_iv (TFD_TIMER_ABSTIME) 1366 const_iv (TFD_TIMER_ABSTIME)
1249 const_iv (TFD_TIMER_CANCEL_ON_SET) 1367 const_iv (TFD_TIMER_CANCEL_ON_SET)
1250 1368
1369 const_iv (STATX_TYPE)
1370 const_iv (STATX_MODE)
1371 const_iv (STATX_NLINK)
1372 const_iv (STATX_UID)
1373 const_iv (STATX_GID)
1374 const_iv (STATX_ATIME)
1375 const_iv (STATX_MTIME)
1376 const_iv (STATX_CTIME)
1377 const_iv (STATX_INO)
1378 const_iv (STATX_SIZE)
1379 const_iv (STATX_BLOCKS)
1380 const_iv (STATX_BASIC_STATS)
1381 const_iv (STATX_ALL)
1382 const_iv (STATX_BTIME)
1383 const_iv (STATX_ATTR_COMPRESSED)
1384 const_iv (STATX_ATTR_IMMUTABLE)
1385 const_iv (STATX_ATTR_APPEND)
1386 const_iv (STATX_ATTR_NODUMP)
1387 const_iv (STATX_ATTR_ENCRYPTED)
1388 const_iv (STATX_ATTR_AUTOMOUNT)
1389
1390 const_iv (AT_FDCWD)
1391 const_iv (AT_SYMLINK_NOFOLLOW)
1392 const_iv (AT_EACCESS)
1393 const_iv (AT_REMOVEDIR)
1394 const_iv (AT_SYMLINK_FOLLOW)
1395 const_iv (AT_NO_AUTOMOUNT)
1396 const_iv (AT_EMPTY_PATH)
1397 const_iv (AT_STATX_SYNC_TYPE)
1398 const_iv (AT_STATX_AS_STAT)
1399 const_iv (AT_STATX_FORCE_SYNC)
1400 const_iv (AT_STATX_DONT_SYNC)
1401 const_iv (AT_RECURSIVE)
1402
1403 const_iv (OPEN_TREE_CLONE)
1404
1405 const_iv (FSOPEN_CLOEXEC)
1406
1407 const_iv (FSPICK_CLOEXEC)
1408 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1409 const_iv (FSPICK_NO_AUTOMOUNT)
1410 const_iv (FSPICK_EMPTY_PATH)
1411
1412 const_iv (MOVE_MOUNT_F_SYMLINKS)
1413 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1414 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1415 const_iv (MOVE_MOUNT_T_SYMLINKS)
1416 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1417 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1418
1419 /* waitid */
1420 const_iv (P_PID)
1421 const_iv (P_PIDFD)
1422 const_iv (P_PGID)
1423 const_iv (P_ALL)
1424
1425 const_iv (FSCONFIG_SET_FLAG)
1426 const_iv (FSCONFIG_SET_STRING)
1427 const_iv (FSCONFIG_SET_BINARY)
1428 const_iv (FSCONFIG_SET_PATH)
1429 const_iv (FSCONFIG_SET_PATH_EMPTY)
1430 const_iv (FSCONFIG_SET_FD)
1431 const_iv (FSCONFIG_CMD_CREATE)
1432 const_iv (FSCONFIG_CMD_RECONFIGURE)
1433
1434 const_iv (MOUNT_ATTR_RDONLY)
1435 const_iv (MOUNT_ATTR_NOSUID)
1436 const_iv (MOUNT_ATTR_NODEV)
1437 const_iv (MOUNT_ATTR_NOEXEC)
1438 const_iv (MOUNT_ATTR__ATIME)
1439 const_iv (MOUNT_ATTR_RELATIME)
1440 const_iv (MOUNT_ATTR_NOATIME)
1441 const_iv (MOUNT_ATTR_STRICTATIME)
1442 const_iv (MOUNT_ATTR_NODIRATIME)
1443
1444 /* sys/mount.h */
1445 const_iv (MS_RDONLY)
1446 const_iv (MS_NOSUID)
1447 const_iv (MS_NODEV)
1448 const_iv (MS_NOEXEC)
1449 const_iv (MS_SYNCHRONOUS)
1450 const_iv (MS_REMOUNT)
1451 const_iv (MS_MANDLOCK)
1452 const_iv (MS_DIRSYNC)
1453 const_iv (MS_NOATIME)
1454 const_iv (MS_NODIRATIME)
1455 const_iv (MS_BIND)
1456 const_iv (MS_MOVE)
1457 const_iv (MS_REC)
1458 const_iv (MS_SILENT)
1459 const_iv (MS_POSIXACL)
1460 const_iv (MS_UNBINDABLE)
1461 const_iv (MS_PRIVATE)
1462 const_iv (MS_SLAVE)
1463 const_iv (MS_SHARED)
1464 const_iv (MS_RELATIME)
1465 const_iv (MS_KERNMOUNT)
1466 const_iv (MS_I_VERSION)
1467 const_iv (MS_STRICTATIME)
1468 const_iv (MS_LAZYTIME)
1469 const_iv (MS_ACTIVE)
1470 const_iv (MS_NOUSER)
1471 const_iv (MS_RMT_MASK)
1472 const_iv (MS_MGC_VAL)
1473 const_iv (MS_MGC_MSK)
1474
1475 const_iv (MNT_FORCE)
1476 const_iv (MNT_DETACH)
1477 const_iv (MNT_EXPIRE)
1478 const_iv (UMOUNT_NOFOLLOW)
1479
1480 const_iv (BLKROSET)
1481 const_iv (BLKROGET)
1482 const_iv (BLKRRPART)
1483 const_iv (BLKGETSIZE)
1484 const_iv (BLKFLSBUF)
1485 const_iv (BLKRASET)
1486 const_iv (BLKRAGET)
1487 const_iv (BLKFRASET)
1488 const_iv (BLKFRAGET)
1489 const_iv (BLKSECTSET)
1490 const_iv (BLKSECTGET)
1491 const_iv (BLKSSZGET)
1492 const_iv (BLKBSZGET)
1493 const_iv (BLKBSZSET)
1494 const_iv (BLKGETSIZE64)
1495
1251 /* these are libeio constants, and are independent of gendef0 */ 1496 /* these are libeio constants, and are independent of gendef0 */
1252 const_eio (SEEK_SET) 1497 const_eio (SEEK_SET)
1253 const_eio (SEEK_CUR) 1498 const_eio (SEEK_CUR)
1254 const_eio (SEEK_END) 1499 const_eio (SEEK_END)
1255 1500
1256 const_eio (MCL_FUTURE) 1501 const_eio (MCL_FUTURE)
1257 const_eio (MCL_CURRENT) 1502 const_eio (MCL_CURRENT)
1503 const_eio (MCL_ONFAULT)
1258 1504
1259 const_eio (MS_ASYNC) 1505 const_eio (MS_ASYNC)
1260 const_eio (MS_INVALIDATE) 1506 const_eio (MS_INVALIDATE)
1261 const_eio (MS_SYNC) 1507 const_eio (MS_SYNC)
1262 1508
… …
1301 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1547 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)); 1548 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1303 1549
1304 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1550 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1305 1551
1552 /* allocate dummy pipe fd for aio_close */
1553 {
1554 int pipefd [2];
1555
1556 if (
1557#ifdef _WIN32
1558 _pipe (pipefd, 1, _O_BINARY) < 0
1559#else
1560 pipe (pipefd) < 0
1561 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1562#endif
1563 || close (pipefd [1]) < 0
1564 )
1565 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1566
1567 close_fd = pipefd [0];
1568 }
1569
1306 reinit (); 1570 reinit ();
1307} 1571}
1308 1572
1309void 1573void
1310reinit () 1574reinit ()
… …
1432 1696
1433void 1697void
1434aio_close (SV *fh, SV *callback = &PL_sv_undef) 1698aio_close (SV *fh, SV *callback = &PL_sv_undef)
1435 PPCODE: 1699 PPCODE:
1436{ 1700{
1437 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1438 int fd = s_fileno_croak (fh, 0); 1701 int fd = s_fileno_croak (fh, 0);
1439 dREQ; 1702 dREQ;
1703#if 0
1704 /* partially duplicate logic in s_fileno */
1705 SvGETMAGIC (fh);
1440 1706
1441 if (expect_false (close_fd < 0)) 1707 if (SvROK (fh))
1708 {
1709 fh = SvRV (fh);
1710 SvGETMAGIC (fh);
1711 }
1712
1713 if (SvTYPE (fh) == SVt_PVGV)
1442 { 1714 {
1443 int pipefd [2]; 1715 /* perl filehandle */
1716 PerlIOUnix_refcnt_inc (fd);
1717 do_close ((GV *)fh, 1);
1444 1718
1445 if ( 1719 req->type = EIO_CLOSE;
1446#ifdef _WIN32 1720 req->int1 = fd;
1447 _pipe (pipefd, 1, _O_BINARY) < 0 1721 /*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 } 1722 }
1458 1723 else
1724#endif
1725 {
1726 /* fd number */
1459 req->type = EIO_DUP2; 1727 req->type = EIO_DUP2;
1460 req->int1 = close_fd; 1728 req->int1 = close_fd;
1461 req->sv2 = newSVsv (fh); 1729 req->sv2 = newSVsv (fh);
1462 req->int2 = fd; 1730 req->int2 = fd;
1731 }
1463 1732
1464 REQ_SEND; 1733 REQ_SEND;
1465} 1734}
1466 1735
1467void 1736void
… …
1641} 1910}
1642 1911
1643void 1912void
1644st_xtime () 1913st_xtime ()
1645 ALIAS: 1914 ALIAS:
1646 st_atime = 1 1915 st_atime = 0x01
1647 st_mtime = 2 1916 st_mtime = 0x02
1648 st_ctime = 4 1917 st_ctime = 0x04
1918 st_btime = 0x08
1649 st_xtime = 7 1919 st_xtime = 0x0f
1650 PPCODE: 1920 PPCODE:
1651 EXTEND (SP, 3); 1921 EXTEND (SP, 4);
1652 if (ix & 1) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC)); 1922 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)); 1923 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)); 1924 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1925 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1655 1926
1656void 1927void
1657st_xtimensec () 1928st_xtimensec ()
1658 ALIAS: 1929 ALIAS:
1659 st_atimensec = 1 1930 st_atimensec = 0x01
1660 st_mtimensec = 2 1931 st_mtimensec = 0x02
1661 st_ctimensec = 4 1932 st_ctimensec = 0x04
1933 st_btimensec = 0x08
1662 st_xtimensec = 7 1934 st_xtimensec = 0x0f
1935 st_btimesec = 0x10
1936 st_gen = 0x20
1663 PPCODE: 1937 PPCODE:
1664 EXTEND (SP, 3); 1938 EXTEND (SP, 4);
1665 if (ix & 1) PUSHs (newSViv (ATIMENSEC)); 1939 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1666 if (ix & 2) PUSHs (newSViv (MTIMENSEC)); 1940 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1667 if (ix & 4) PUSHs (newSViv (CTIMENSEC)); 1941 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1942 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1943 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1944 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1668 1945
1669UV 1946UV
1670major (UV dev) 1947major (UV dev)
1671 ALIAS: 1948 ALIAS:
1672 minor = 1 1949 minor = 1
… …
1789 eio_wd wd2 = 0; 2066 eio_wd wd2 = 0;
1790 dREQ; 2067 dREQ;
1791 2068
1792 req->type = ix; 2069 req->type = ix;
1793 req_set_path1 (req, oldpath); 2070 req_set_path1 (req, oldpath);
1794 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 2071 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1795 req->int3 = (long)wd2; 2072 req->int3 = (long)wd2;
1796 2073
1797 REQ_SEND; 2074 REQ_SEND;
1798} 2075}
1799 2076
… …
1804 eio_wd wd2 = 0; 2081 eio_wd wd2 = 0;
1805 dREQ; 2082 dREQ;
1806 2083
1807 req->type = EIO_RENAME; 2084 req->type = EIO_RENAME;
1808 req_set_path1 (req, oldpath); 2085 req_set_path1 (req, oldpath);
1809 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 2086 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1810 req->int2 = flags; 2087 req->int2 = flags;
1811 req->int3 = (long)wd2; 2088 req->int3 = (long)wd2;
1812 2089
1813 REQ_SEND; 2090 REQ_SEND;
1814} 2091}
… …
2158} 2435}
2159 OUTPUT: 2436 OUTPUT:
2160 RETVAL 2437 RETVAL
2161 2438
2162int 2439int
2163madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2440madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2164 ALIAS: 2441 ALIAS:
2165 mprotect = 1 2442 mprotect = 1
2166 CODE: 2443 CODE:
2167{ 2444{
2168 STRLEN svlen; 2445 STRLEN svlen;
… …
2189} 2466}
2190 OUTPUT: 2467 OUTPUT:
2191 RETVAL 2468 RETVAL
2192 2469
2193int 2470int
2194munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) 2471munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2195 CODE: 2472 CODE:
2196{ 2473{
2197 STRLEN svlen; 2474 STRLEN svlen;
2198 void *addr = SvPVbyte (scalar, svlen); 2475 void *addr = SvPVbyte (scalar, svlen);
2199 size_t len = SvUV (length); 2476 size_t len = SvUV (length);
… …
2214#else 2491#else
2215 RETVAL = EIO_ENOSYS (); 2492 RETVAL = EIO_ENOSYS ();
2216#endif 2493#endif
2217} 2494}
2218 OUTPUT: 2495 OUTPUT:
2496 RETVAL
2497
2498int
2499mlockall (int flags)
2500 PROTOTYPE: $;
2501 CODE:
2502 RETVAL = eio_mlockall_sync (flags);
2503 OUTPUT:
2219 RETVAL 2504 RETVAL
2220 2505
2221int 2506int
2222munlockall () 2507munlockall ()
2223 CODE: 2508 CODE:
… …
2228#endif 2513#endif
2229 OUTPUT: 2514 OUTPUT:
2230 RETVAL 2515 RETVAL
2231 2516
2232int 2517int
2518statx (SV8 *pathname, int flags, UV mask)
2519 CODE:
2520{
2521 /* undocumented, and might go away, and anyway, should use eio_statx */
2522 SV *wdsv = 0;
2523 SV *pathsv = 0;
2524 eio_wd wd = EIO_CWD;
2525 void *ptr;
2526 int res;
2527
2528 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2529 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2530
2531 SvREFCNT_dec (pathsv);
2532 SvREFCNT_dec (wdsv);
2533}
2534 OUTPUT:
2535 RETVAL
2536
2537U32
2538stx_mode ()
2539 PROTOTYPE:
2540 CODE:
2541#if HAVE_STATX
2542 RETVAL = stx.stx_mode;
2543#else
2544 XSRETURN_UNDEF;
2545#endif
2546 OUTPUT:
2547 RETVAL
2548
2549#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2550#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2551#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2552#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2553#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2554#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2555#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2556#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2557#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2558#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2559#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2560#define STATX_OFFSET_size statx_offsetof (stx_size)
2561#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2562#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2563#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2564#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2565#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2566#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2567
2568U32
2569stx_mask ()
2570 PROTOTYPE:
2571 ALIAS:
2572 stx_mask = STATX_OFFSET_mask
2573 stx_blksize = STATX_OFFSET_blksize
2574 stx_nlink = STATX_OFFSET_nlink
2575 stx_uid = STATX_OFFSET_uid
2576 stx_gid = STATX_OFFSET_gid
2577 stx_rdev_major = STATX_OFFSET_rdev_major
2578 stx_rdev_minor = STATX_OFFSET_rdev_minor
2579 stx_dev_major = STATX_OFFSET_dev_major
2580 stx_dev_minor = STATX_OFFSET_dev_minor
2581 CODE:
2582#if HAVE_STATX
2583 RETVAL = *(__u32 *)((char *)&stx + ix);
2584#else
2585 XSRETURN_UNDEF;
2586#endif
2587 OUTPUT:
2588 RETVAL
2589
2590VAL64
2591stx_attributes ()
2592 PROTOTYPE:
2593 ALIAS:
2594 stx_attributes = STATX_OFFSET_attributes
2595 stx_ino = STATX_OFFSET_ino
2596 stx_size = STATX_OFFSET_size
2597 stx_blocks = STATX_OFFSET_blocks
2598 stx_attributes_mask = STATX_OFFSET_attributes_mask
2599 CODE:
2600#if HAVE_STATX
2601 RETVAL = *(__u64 *)((char *)&stx + ix);
2602#else
2603 XSRETURN_UNDEF;
2604#endif
2605 OUTPUT:
2606 RETVAL
2607
2608NV
2609stx_atime ()
2610 PROTOTYPE:
2611 ALIAS:
2612 stx_atime = STATX_OFFSET_atime
2613 stx_btime = STATX_OFFSET_btime
2614 stx_ctime = STATX_OFFSET_ctime
2615 stx_mtime = STATX_OFFSET_mtime
2616 CODE:
2617#if HAVE_STATX
2618 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2619 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2620#else
2621 XSRETURN_UNDEF;
2622#endif
2623 OUTPUT:
2624 RETVAL
2625
2626VAL64
2627stx_atimesec ()
2628 PROTOTYPE:
2629 ALIAS:
2630 stx_atimesec = STATX_OFFSET_atime
2631 stx_btimesec = STATX_OFFSET_btime
2632 stx_ctimesec = STATX_OFFSET_ctime
2633 stx_mtimesec = STATX_OFFSET_mtime
2634 CODE:
2635#if HAVE_STATX
2636 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2637 RETVAL = ts->tv_sec;
2638#else
2639 XSRETURN_UNDEF;
2640#endif
2641 OUTPUT:
2642 RETVAL
2643
2644U32
2645stx_atimensec ()
2646 PROTOTYPE:
2647 ALIAS:
2648 stx_atimensec = STATX_OFFSET_atime
2649 stx_btimensec = STATX_OFFSET_btime
2650 stx_ctimensec = STATX_OFFSET_ctime
2651 stx_mtimensec = STATX_OFFSET_mtime
2652 CODE:
2653#if HAVE_STATX
2654 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2655 RETVAL = ts->tv_nsec;
2656#else
2657 RETVAL = 0;
2658#endif
2659 OUTPUT:
2660 RETVAL
2661
2662void
2663accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2664 PPCODE:
2665{
2666 SV *retval;
2667#if HAVE_ACCEPT4
2668 socklen_t salen_ = salen ? salen + 1 : 0;
2669
2670 if (salen)
2671 {
2672 sv_upgrade (sockaddr, SVt_PV);
2673 sv_grow (sockaddr, salen_);
2674 }
2675
2676 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2677
2678 retval = newmortalFH (res, O_RDWR);
2679
2680 if (res >= 0 && salen > 0)
2681 {
2682 if (salen_ > salen + 1)
2683 salen_ = salen + 1;
2684
2685 SvPOK_only (sockaddr);
2686 SvCUR_set (sockaddr, salen_);
2687 }
2688#else
2689 errno = ENOSYS;
2690 retval = &PL_sv_undef;
2691#endif
2692 XPUSHs (retval);
2693}
2694
2695ssize_t
2233splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) 2696splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2234 CODE: 2697 CODE:
2235{ 2698{
2236#if HAVE_LINUX_SPLICE 2699#if HAVE_LINUX_SPLICE
2237 loff_t off_in_, off_out_; 2700 loff_t off_in_, off_out_;
… …
2245#endif 2708#endif
2246} 2709}
2247 OUTPUT: 2710 OUTPUT:
2248 RETVAL 2711 RETVAL
2249 2712
2250int 2713ssize_t
2251tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) 2714tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2252 CODE: 2715 CODE:
2253#if HAVE_LINUX_SPLICE 2716#if HAVE_LINUX_SPLICE
2254 RETVAL = tee (rfh, wfh, length, flags); 2717 RETVAL = tee (rfh, wfh, length, flags);
2255#else 2718#else
… …
2298 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2761 PUSHs (newmortalFH (fd[1], O_WRONLY));
2299 } 2762 }
2300} 2763}
2301 2764
2302void 2765void
2766pidfd_open (int pid, unsigned int flags = 0)
2767 PPCODE:
2768{
2769 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2770 int fd = syscall (SYS_pidfd_open, pid, flags);
2771 XPUSHs (newmortalFH (fd, O_RDWR));
2772}
2773
2774int
2775pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2776 PPCODE:
2777{
2778 int res;
2779#if HAVE_SIGINFO_T
2780 siginfo_t si = { 0 };
2781
2782 if (SvOK (siginfo))
2783 {
2784 HV *hv;
2785 SV **svp;
2786
2787 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2788 croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught");
2789
2790 hv = (HV *)SvRV (siginfo);
2791
2792 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2793 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2794 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2795 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2796 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2797 }
2798
2799 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2800 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2801#else
2802 res = (errno = ENOSYS, -1);
2803#endif
2804
2805 XPUSHs (sv_2mortal (newSViv (res)));
2806}
2807
2808void
2809pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2810 PPCODE:
2811{
2812 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2813 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2814 XPUSHs (newmortalFH (fd, O_RDWR));
2815}
2816
2817void
2303eventfd (unsigned int initval = 0, int flags = 0) 2818eventfd (unsigned int initval = 0, int flags = 0)
2304 PPCODE: 2819 PPCODE:
2305{ 2820{
2306 int fd; 2821 int fd;
2307#if HAVE_EVENTFD 2822#if HAVE_EVENTFD
… …
2370#else 2885#else
2371 errno = ENOSYS; 2886 errno = ENOSYS;
2372#endif 2887#endif
2373} 2888}
2374 2889
2890void
2891memfd_create (octet_string pathname, int flags = 0)
2892 PPCODE:
2893{
2894 int fd;
2895#if HAVE_MEMFD_CREATE
2896 fd = memfd_create (pathname, flags);
2897#else
2898 fd = (errno = ENOSYS, -1);
2899#endif
2900
2901 XPUSHs (newmortalFH (fd, O_RDWR));
2902}
2903
2904int
2905fexecve (SV *fh, SV *args, SV *envs = &PL_sv_undef)
2906 CODE:
2907{
2908 int fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
2909 char **envp, **argv;
2910 argv = extract_stringvec (args, "IO::AIO::fexecve: args must be an array of strings");
2911 if (!SvOK (envs))
2912 {
2913 extern char **environ;
2914 envp = environ;
2915 }
2916 else
2917 envp = extract_stringvec (envs, "IO::AIO::fexecve: envs must be an array of strings");
2918#if _POSIX_VERSION >= 200809L
2919 RETVAL = fexecve (fd, argv, envp);
2920#else
2921 RETVAL = (errno = ENOSYS, -1);
2922#endif
2923}
2924 OUTPUT: RETVAL
2925
2926int
2927mount (octet_string special, octet_string path, octet_string fstype, UV flags = 0, octet_string_ornull data = 0)
2928 OUTPUT: RETVAL
2929
2930int
2931umount (octet_string path, int flags = 0)
2932 CODE:
2933 if (flags)
2934#if HAVE_UMOUNT2
2935 RETVAL = umount2 (path, flags);
2936#else
2937 RETVAL = (errno = ENOSYS, -1);
2938#endif
2939 else
2940 RETVAL = umount (path);
2941 OUTPUT: RETVAL
2942
2375UV 2943UV
2376get_fdlimit () 2944get_fdlimit ()
2377 CODE: 2945 CODE:
2378#if HAVE_RLIMITS 2946#if HAVE_RLIMITS
2379 struct rlimit rl; 2947 struct rlimit rl;
… …
2412 if (0 == setrlimit (RLIMIT_NOFILE, &rl)) 2980 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2413 XSRETURN_YES; 2981 XSRETURN_YES;
2414 2982
2415 if (errno == EPERM) 2983 if (errno == EPERM)
2416 { 2984 {
2417 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ 2985 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2418 /* our limit overflows a system-wide limit */ 2986 /* our limit overflows a system-wide limit */
2419 /* try an adaptive algorithm, but do not lower the hardlimit */ 2987 /* try an adaptive algorithm, but do not lower the hardlimit */
2420 rl.rlim_max = 0; 2988 rl.rlim_max = 0;
2421 for (bit = 0x40000000U; bit; bit >>= 1) 2989 for (bit = 0x40000000U; bit; bit >>= 1)
2422 { 2990 {
2423 rl.rlim_max |= bit; 2991 rl.rlim_max |= bit;
2424 rl.rlim_cur = rl.rlim_max; 2992 rl.rlim_cur = rl.rlim_max;
2425 2993
2426 /* nevr decrease the hard limit */ 2994 /* never decrease the hard limit */
2427 if (rl.rlim_max < orig_rlim_max) 2995 if (rl.rlim_max < orig_rlim_max)
2428 break; 2996 break;
2429 2997
2430 if (0 != setrlimit (RLIMIT_NOFILE, &rl)) 2998 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2431 rl.rlim_max &= ~bit; /* too high, remove bit again */ 2999 rl.rlim_max &= ~bit; /* too high, remove bit again */

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