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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.265 by root, Tue Aug 14 11:50:43 2018 UTC vs.
Revision 1.299 by root, Mon Sep 26 10:30:53 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
… …
194#endif 228#endif
195#ifndef minor 229#ifndef minor
196# define minor(dev) ((dev) & 0xff) 230# define minor(dev) ((dev) & 0xff)
197#endif 231#endif
198 232
233/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
234#ifdef __sun
235# undef PAGESIZE
236#endif
237
199#if PAGESIZE <= 0 238#if PAGESIZE <= 0
200# define PAGESIZE sysconf (_SC_PAGESIZE) 239# define PAGESIZE sysconf (_SC_PAGESIZE)
240#endif
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)
201#endif 251#endif
202 252
203/*****************************************************************************/ 253/*****************************************************************************/
204 254
205#if !_POSIX_MAPPED_FILES 255#if !_POSIX_MAPPED_FILES
… …
265}; 315};
266 316
267/*****************************************************************************/ 317/*****************************************************************************/
268 318
269/* helper: set scalar to foreign ptr with custom free */ 319/* helper: set scalar to foreign ptr with custom free */
320ecb_noinline
270static void 321static void
271sv_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)
272{ 323{
273 sv_force_normal (sv); 324 sv_force_normal (sv);
274 325
… …
315 int count = req->int3; 366 int count = req->int3;
316 367
317 req->flags |= EIO_FLAG_PTR1_FREE; 368 req->flags |= EIO_FLAG_PTR1_FREE;
318 369
319 /* 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, */
320 /* increase in 3.5kb steps */ 371 /* increase in fixed steps */
321 if (count < 0) 372 if (count < 0)
322 count = 8; 373 count = 8;
323 374
324 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 375 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
325 errno = ENOMEM; 376 errno = ENOMEM;
… …
378 429
379 for (count = 0; count < incmap->fm_mapped_extents; ++count) 430 for (count = 0; count < incmap->fm_mapped_extents; ++count)
380 { 431 {
381 struct fiemap_extent *e = incmap->fm_extents + count; 432 struct fiemap_extent *e = incmap->fm_extents + count;
382 433
434 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
435
383 if (e->fe_logical + e->fe_length >= end_offset) 436 if (e->fe_logical >= end_offset)
384 goto done; 437 goto done;
385
386 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
387 438
388 if (e->fe_flags & FIEMAP_EXTENT_LAST) 439 if (e->fe_flags & FIEMAP_EXTENT_LAST)
389 goto done; 440 goto done;
390 441
391 } 442 }
… …
398 errno = ENOSYS; 449 errno = ENOSYS;
399#endif 450#endif
400} 451}
401 452
402/*****************************************************************************/ 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
403 465
404enum { 466enum {
405 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 467 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
406}; 468};
407 469
… …
431 /* read any signals sent by the worker threads */ 493 /* read any signals sent by the worker threads */
432 s_epipe_drain (&respipe); 494 s_epipe_drain (&respipe);
433} 495}
434 496
435/* must be called at most once */ 497/* must be called at most once */
498ecb_noinline
436static SV * 499static SV *
437req_sv (aio_req req, HV *stash) 500req_sv (aio_req req, HV *stash)
438{ 501{
439 if (!req->self) 502 if (!req->self)
440 { 503 {
… …
449newSVaio_wd (aio_wd wd) 512newSVaio_wd (aio_wd wd)
450{ 513{
451 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);
452} 515}
453 516
517ecb_noinline
454static aio_req 518static aio_req
455SvAIO_REQ (SV *sv) 519SvAIO_REQ (SV *sv)
456{ 520{
457 MAGIC *mg; 521 MAGIC *mg;
458 522
… …
521 FREETMPS; 585 FREETMPS;
522 LEAVE; 586 LEAVE;
523 } 587 }
524} 588}
525 589
590ecb_noinline
526static void 591static void
527req_submit (eio_req *req) 592req_submit (eio_req *req)
528{ 593{
529 eio_submit (req); 594 eio_submit (req);
530 595
… …
791 } 856 }
792 else 857 else
793 PUSHs (sv_result); 858 PUSHs (sv_result);
794 break; 859 break;
795 860
861#if 0
862 case EIO_CLOSE:
863 PerlIOUnix_refcnt_dec (req->int1);
864 break;
865#endif
866
796 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 */
797 if (req->result > 0) 868 if (req->result > 0)
798 SvIV_set (sv_result, 0); 869 SvIV_set (sv_result, 0);
799 /* FALLTHROUGH */ 870 /* FALLTHROUGH */
800 871
… …
851 grp->sv2 = 0; 922 grp->sv2 = 0;
852 923
853 eio_grp_cancel (grp); 924 eio_grp_cancel (grp);
854} 925}
855 926
856static void ecb_cold 927ecb_cold
928static void
857create_respipe (void) 929create_respipe (void)
858{ 930{
859 if (s_epipe_renew (&respipe)) 931 if (s_epipe_renew (&respipe))
860 croak ("IO::AIO: unable to initialize result pipe"); 932 croak ("IO::AIO: unable to initialize result pipe");
861} 933}
… …
895 967
896 poll_wait (); 968 poll_wait ();
897 } 969 }
898} 970}
899 971
900static void ecb_cold 972ecb_cold
973static void
901reinit (void) 974reinit (void)
902{ 975{
903 create_respipe (); 976 create_respipe ();
904 977
905 if (eio_init (want_poll, done_poll) < 0) 978 if (eio_init (want_poll, done_poll) < 0)
… …
913{ 986{
914 SvGETMAGIC (cb_sv); 987 SvGETMAGIC (cb_sv);
915 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 988 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
916} 989}
917 990
991ecb_noinline
918static aio_req ecb_noinline 992static aio_req ecb_noinline
919dreq (SV *callback) 993dreq (SV *callback)
920{ 994{
921 SV *cb_cv; 995 SV *cb_cv;
922 aio_req req; 996 aio_req req;
… …
944 SPAGAIN; \ 1018 SPAGAIN; \
945 \ 1019 \
946 if (GIMME_V != G_VOID) \ 1020 if (GIMME_V != G_VOID) \
947 XPUSHs (req_sv (req, aio_req_stash)); 1021 XPUSHs (req_sv (req, aio_req_stash));
948 1022
1023/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
949ecb_inline void 1024ecb_inline
1025void
950req_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)
951{ 1027{
952 if (expect_false (SvROK (path))) 1028 if (expect_false (SvROK (path)))
953 { 1029 {
954 SV *rv = SvRV (path); 1030 SV *rv = SvRV (path);
955 SV *wdob; 1031 SV *wdob;
… …
980 1056
981 *pathsv = newSVsv (path); 1057 *pathsv = newSVsv (path);
982 *ptr = SvPVbyte_nolen (*pathsv); 1058 *ptr = SvPVbyte_nolen (*pathsv);
983} 1059}
984 1060
985static void ecb_noinline 1061ecb_noinline
1062static void
986req_set_path1 (aio_req req, SV *path) 1063req_set_path1 (aio_req req, SV *path)
987{ 1064{
988 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);
989} 1066}
990 1067
991static void ecb_noinline 1068ecb_noinline
1069static void
992req_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)
993{ 1071{
994 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;
995 1073
996 switch (SvTYPE (rv)) 1074 switch (SvTYPE (rv))
… …
1021 1099
1022static NV 1100static NV
1023ts_get (const struct timespec *ts) 1101ts_get (const struct timespec *ts)
1024{ 1102{
1025 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 ("%s", 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;
1026} 1132}
1027 1133
1028/*****************************************************************************/ 1134/*****************************************************************************/
1029 1135
1030XS(boot_IO__AIO) ecb_cold; 1136XS(boot_IO__AIO) ecb_cold;
… …
1135 const_iv (MAP_NONBLOCK) 1241 const_iv (MAP_NONBLOCK)
1136 const_iv (MAP_GROWSDOWN) 1242 const_iv (MAP_GROWSDOWN)
1137 const_iv (MAP_32BIT) 1243 const_iv (MAP_32BIT)
1138 const_iv (MAP_HUGETLB) 1244 const_iv (MAP_HUGETLB)
1139 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)
1140 1250
1141 const_iv (MREMAP_MAYMOVE) 1251 const_iv (MREMAP_MAYMOVE)
1142 const_iv (MREMAP_FIXED) 1252 const_iv (MREMAP_FIXED)
1143 1253
1144 const_iv (F_DUPFD_CLOEXEC)
1145
1146 const_iv (MSG_CMSG_CLOEXEC) 1254 const_iv (MSG_CMSG_CLOEXEC)
1147 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)
1148 1265
1149 const_iv (F_OFD_GETLK) 1266 const_iv (F_OFD_GETLK)
1150 const_iv (F_OFD_SETLK) 1267 const_iv (F_OFD_SETLK)
1151 const_iv (F_OFD_GETLKW) 1268 const_iv (F_OFD_GETLKW)
1152 1269
… …
1159 1276
1160 const_iv (FS_IOC_GETFLAGS) 1277 const_iv (FS_IOC_GETFLAGS)
1161 const_iv (FS_IOC_SETFLAGS) 1278 const_iv (FS_IOC_SETFLAGS)
1162 const_iv (FS_IOC_GETVERSION) 1279 const_iv (FS_IOC_GETVERSION)
1163 const_iv (FS_IOC_SETVERSION) 1280 const_iv (FS_IOC_SETVERSION)
1281#if HAVE_FIEMAP /* broken on musl for, like, foreever */
1164 const_iv (FS_IOC_FIEMAP) 1282 const_iv (FS_IOC_FIEMAP)
1283#endif
1165 const_iv (FS_IOC_FSGETXATTR) 1284 const_iv (FS_IOC_FSGETXATTR)
1166 const_iv (FS_IOC_FSSETXATTR) 1285 const_iv (FS_IOC_FSSETXATTR)
1167 const_iv (FS_IOC_SET_ENCRYPTION_POLICY) 1286 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1168 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT) 1287 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1169 const_iv (FS_IOC_GET_ENCRYPTION_POLICY) 1288 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
… …
1229 1348
1230 const_iv (EFD_CLOEXEC) 1349 const_iv (EFD_CLOEXEC)
1231 const_iv (EFD_NONBLOCK) 1350 const_iv (EFD_NONBLOCK)
1232 const_iv (EFD_SEMAPHORE) 1351 const_iv (EFD_SEMAPHORE)
1233 1352
1353 const_iv (MFD_CLOEXEC)
1354 const_iv (MFD_ALLOW_SEALING)
1355 const_iv (MFD_HUGETLB)
1356 const_iv (MFD_HUGETLB_2MB)
1357 const_iv (MFD_HUGETLB_1GB)
1358
1234 const_iv (CLOCK_REALTIME) 1359 const_iv (CLOCK_REALTIME)
1235 const_iv (CLOCK_MONOTONIC) 1360 const_iv (CLOCK_MONOTONIC)
1236 const_iv (CLOCK_BOOTTIME) 1361 const_iv (CLOCK_BOOTTIME)
1237 const_iv (CLOCK_REALTIME_ALARM) 1362 const_iv (CLOCK_REALTIME_ALARM)
1238 const_iv (CLOCK_BOOTTIME_ALARM) 1363 const_iv (CLOCK_BOOTTIME_ALARM)
… …
1241 const_iv (TFD_CLOEXEC) 1366 const_iv (TFD_CLOEXEC)
1242 1367
1243 const_iv (TFD_TIMER_ABSTIME) 1368 const_iv (TFD_TIMER_ABSTIME)
1244 const_iv (TFD_TIMER_CANCEL_ON_SET) 1369 const_iv (TFD_TIMER_CANCEL_ON_SET)
1245 1370
1371 const_iv (STATX_TYPE)
1372 const_iv (STATX_MODE)
1373 const_iv (STATX_NLINK)
1374 const_iv (STATX_UID)
1375 const_iv (STATX_GID)
1376 const_iv (STATX_ATIME)
1377 const_iv (STATX_MTIME)
1378 const_iv (STATX_CTIME)
1379 const_iv (STATX_INO)
1380 const_iv (STATX_SIZE)
1381 const_iv (STATX_BLOCKS)
1382 const_iv (STATX_BASIC_STATS)
1383 const_iv (STATX_ALL)
1384 const_iv (STATX_BTIME)
1385 const_iv (STATX_ATTR_COMPRESSED)
1386 const_iv (STATX_ATTR_IMMUTABLE)
1387 const_iv (STATX_ATTR_APPEND)
1388 const_iv (STATX_ATTR_NODUMP)
1389 const_iv (STATX_ATTR_ENCRYPTED)
1390 const_iv (STATX_ATTR_AUTOMOUNT)
1391
1392 const_iv (AT_FDCWD)
1393 const_iv (AT_SYMLINK_NOFOLLOW)
1394 const_iv (AT_EACCESS)
1395 const_iv (AT_REMOVEDIR)
1396 const_iv (AT_SYMLINK_FOLLOW)
1397 const_iv (AT_NO_AUTOMOUNT)
1398 const_iv (AT_EMPTY_PATH)
1399 const_iv (AT_STATX_SYNC_TYPE)
1400 const_iv (AT_STATX_AS_STAT)
1401 const_iv (AT_STATX_FORCE_SYNC)
1402 const_iv (AT_STATX_DONT_SYNC)
1403 const_iv (AT_RECURSIVE)
1404
1405 const_iv (OPEN_TREE_CLONE)
1406
1407 const_iv (FSOPEN_CLOEXEC)
1408
1409 const_iv (FSPICK_CLOEXEC)
1410 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1411 const_iv (FSPICK_NO_AUTOMOUNT)
1412 const_iv (FSPICK_EMPTY_PATH)
1413
1414 const_iv (MOVE_MOUNT_F_SYMLINKS)
1415 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1416 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1417 const_iv (MOVE_MOUNT_T_SYMLINKS)
1418 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1419 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1420
1421 /* waitid */
1422 const_iv (P_PID)
1423 const_iv (P_PIDFD)
1424 const_iv (P_PGID)
1425 const_iv (P_ALL)
1426
1427 const_iv (FSCONFIG_SET_FLAG)
1428 const_iv (FSCONFIG_SET_STRING)
1429 const_iv (FSCONFIG_SET_BINARY)
1430 const_iv (FSCONFIG_SET_PATH)
1431 const_iv (FSCONFIG_SET_PATH_EMPTY)
1432 const_iv (FSCONFIG_SET_FD)
1433 const_iv (FSCONFIG_CMD_CREATE)
1434 const_iv (FSCONFIG_CMD_RECONFIGURE)
1435
1436 const_iv (MOUNT_ATTR_RDONLY)
1437 const_iv (MOUNT_ATTR_NOSUID)
1438 const_iv (MOUNT_ATTR_NODEV)
1439 const_iv (MOUNT_ATTR_NOEXEC)
1440 const_iv (MOUNT_ATTR__ATIME)
1441 const_iv (MOUNT_ATTR_RELATIME)
1442 const_iv (MOUNT_ATTR_NOATIME)
1443 const_iv (MOUNT_ATTR_STRICTATIME)
1444 const_iv (MOUNT_ATTR_NODIRATIME)
1445
1446 /* sys/mount.h */
1447 const_iv (MS_RDONLY)
1448 const_iv (MS_NOSUID)
1449 const_iv (MS_NODEV)
1450 const_iv (MS_NOEXEC)
1451 const_iv (MS_SYNCHRONOUS)
1452 const_iv (MS_REMOUNT)
1453 const_iv (MS_MANDLOCK)
1454 const_iv (MS_DIRSYNC)
1455 const_iv (MS_NOATIME)
1456 const_iv (MS_NODIRATIME)
1457 const_iv (MS_BIND)
1458 const_iv (MS_MOVE)
1459 const_iv (MS_REC)
1460 const_iv (MS_SILENT)
1461 const_iv (MS_POSIXACL)
1462 const_iv (MS_UNBINDABLE)
1463 const_iv (MS_PRIVATE)
1464 const_iv (MS_SLAVE)
1465 const_iv (MS_SHARED)
1466 const_iv (MS_RELATIME)
1467 const_iv (MS_KERNMOUNT)
1468 const_iv (MS_I_VERSION)
1469 const_iv (MS_STRICTATIME)
1470 const_iv (MS_LAZYTIME)
1471 const_iv (MS_ACTIVE)
1472 const_iv (MS_NOUSER)
1473 const_iv (MS_RMT_MASK)
1474 const_iv (MS_MGC_VAL)
1475 const_iv (MS_MGC_MSK)
1476
1477 const_iv (MNT_FORCE)
1478 const_iv (MNT_DETACH)
1479 const_iv (MNT_EXPIRE)
1480 const_iv (UMOUNT_NOFOLLOW)
1481
1482 const_iv (BLKROSET)
1483 const_iv (BLKROGET)
1484 const_iv (BLKRRPART)
1485 const_iv (BLKGETSIZE)
1486 const_iv (BLKFLSBUF)
1487 const_iv (BLKRASET)
1488 const_iv (BLKRAGET)
1489 const_iv (BLKFRASET)
1490 const_iv (BLKFRAGET)
1491 const_iv (BLKSECTSET)
1492 const_iv (BLKSECTGET)
1493 const_iv (BLKSSZGET)
1494 const_iv (BLKBSZGET)
1495 const_iv (BLKBSZSET)
1496 const_iv (BLKGETSIZE64)
1497
1246 /* these are libeio constants, and are independent of gendef0 */ 1498 /* these are libeio constants, and are independent of gendef0 */
1247 const_eio (SEEK_SET) 1499 const_eio (SEEK_SET)
1248 const_eio (SEEK_CUR) 1500 const_eio (SEEK_CUR)
1249 const_eio (SEEK_END) 1501 const_eio (SEEK_END)
1250 1502
1251 const_eio (MCL_FUTURE) 1503 const_eio (MCL_FUTURE)
1252 const_eio (MCL_CURRENT) 1504 const_eio (MCL_CURRENT)
1505 const_eio (MCL_ONFAULT)
1253 1506
1254 const_eio (MS_ASYNC) 1507 const_eio (MS_ASYNC)
1255 const_eio (MS_INVALIDATE) 1508 const_eio (MS_INVALIDATE)
1256 const_eio (MS_SYNC) 1509 const_eio (MS_SYNC)
1257 1510
… …
1296 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1549 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1297 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1550 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1298 1551
1299 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1552 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1300 1553
1554 /* allocate dummy pipe fd for aio_close */
1555 {
1556 int pipefd [2];
1557
1558 if (
1559#ifdef _WIN32
1560 _pipe (pipefd, 1, _O_BINARY) < 0
1561#else
1562 pipe (pipefd) < 0
1563 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1564#endif
1565 || close (pipefd [1]) < 0
1566 )
1567 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1568
1569 close_fd = pipefd [0];
1570 }
1571
1301 reinit (); 1572 reinit ();
1302} 1573}
1303 1574
1304void 1575void
1305reinit () 1576reinit ()
… …
1427 1698
1428void 1699void
1429aio_close (SV *fh, SV *callback = &PL_sv_undef) 1700aio_close (SV *fh, SV *callback = &PL_sv_undef)
1430 PPCODE: 1701 PPCODE:
1431{ 1702{
1432 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1433 int fd = s_fileno_croak (fh, 0); 1703 int fd = s_fileno_croak (fh, 0);
1434 dREQ; 1704 dREQ;
1705#if 0
1706 /* partially duplicate logic in s_fileno */
1707 SvGETMAGIC (fh);
1435 1708
1436 if (expect_false (close_fd < 0)) 1709 if (SvROK (fh))
1710 {
1711 fh = SvRV (fh);
1712 SvGETMAGIC (fh);
1713 }
1714
1715 if (SvTYPE (fh) == SVt_PVGV)
1437 { 1716 {
1438 int pipefd [2]; 1717 /* perl filehandle */
1718 PerlIOUnix_refcnt_inc (fd);
1719 do_close ((GV *)fh, 1);
1439 1720
1440 if ( 1721 req->type = EIO_CLOSE;
1441#ifdef _WIN32 1722 req->int1 = fd;
1442 _pipe (pipefd, 1, _O_BINARY) < 0 1723 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1443#else
1444 pipe (pipefd) < 0
1445 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1446#endif
1447 || close (pipefd [1]) < 0
1448 )
1449 abort (); /*D*/
1450
1451 close_fd = pipefd [0];
1452 } 1724 }
1453 1725 else
1726#endif
1727 {
1728 /* fd number */
1454 req->type = EIO_DUP2; 1729 req->type = EIO_DUP2;
1455 req->int1 = close_fd; 1730 req->int1 = close_fd;
1456 req->sv2 = newSVsv (fh); 1731 req->sv2 = newSVsv (fh);
1457 req->int2 = fd; 1732 req->int2 = fd;
1733 }
1458 1734
1459 REQ_SEND; 1735 REQ_SEND;
1460} 1736}
1461 1737
1462void 1738void
… …
1636} 1912}
1637 1913
1638void 1914void
1639st_xtime () 1915st_xtime ()
1640 ALIAS: 1916 ALIAS:
1641 st_atime = 1 1917 st_atime = 0x01
1642 st_mtime = 2 1918 st_mtime = 0x02
1643 st_ctime = 4 1919 st_ctime = 0x04
1920 st_btime = 0x08
1644 st_xtime = 7 1921 st_xtime = 0x0f
1645 PPCODE: 1922 PPCODE:
1646 EXTEND (SP, 3); 1923 EXTEND (SP, 4);
1647 if (ix & 1) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC)); 1924 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1648 if (ix & 2) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC)); 1925 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1649 if (ix & 4) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC)); 1926 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1927 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1650 1928
1651void 1929void
1652st_xtimensec () 1930st_xtimensec ()
1653 ALIAS: 1931 ALIAS:
1654 st_atimensec = 1 1932 st_atimensec = 0x01
1655 st_mtimensec = 2 1933 st_mtimensec = 0x02
1656 st_ctimensec = 4 1934 st_ctimensec = 0x04
1935 st_btimensec = 0x08
1657 st_xtimensec = 7 1936 st_xtimensec = 0x0f
1937 st_btimesec = 0x10
1938 st_gen = 0x20
1658 PPCODE: 1939 PPCODE:
1659 EXTEND (SP, 3); 1940 EXTEND (SP, 4);
1660 if (ix & 1) PUSHs (newSViv (ATIMENSEC)); 1941 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1661 if (ix & 2) PUSHs (newSViv (MTIMENSEC)); 1942 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1662 if (ix & 4) PUSHs (newSViv (CTIMENSEC)); 1943 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1944 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1945 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1946 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1663 1947
1664UV 1948UV
1665major (UV dev) 1949major (UV dev)
1666 ALIAS: 1950 ALIAS:
1667 minor = 1 1951 minor = 1
… …
1784 eio_wd wd2 = 0; 2068 eio_wd wd2 = 0;
1785 dREQ; 2069 dREQ;
1786 2070
1787 req->type = ix; 2071 req->type = ix;
1788 req_set_path1 (req, oldpath); 2072 req_set_path1 (req, oldpath);
1789 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 2073 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1790 req->int3 = (long)wd2; 2074 req->int3 = (long)wd2;
1791 2075
1792 REQ_SEND; 2076 REQ_SEND;
1793} 2077}
1794 2078
… …
1799 eio_wd wd2 = 0; 2083 eio_wd wd2 = 0;
1800 dREQ; 2084 dREQ;
1801 2085
1802 req->type = EIO_RENAME; 2086 req->type = EIO_RENAME;
1803 req_set_path1 (req, oldpath); 2087 req_set_path1 (req, oldpath);
1804 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 2088 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1805 req->int2 = flags; 2089 req->int2 = flags;
1806 req->int3 = (long)wd2; 2090 req->int3 = (long)wd2;
1807 2091
1808 REQ_SEND; 2092 REQ_SEND;
1809} 2093}
… …
2153} 2437}
2154 OUTPUT: 2438 OUTPUT:
2155 RETVAL 2439 RETVAL
2156 2440
2157int 2441int
2158madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2442madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2159 ALIAS: 2443 ALIAS:
2160 mprotect = 1 2444 mprotect = 1
2161 CODE: 2445 CODE:
2162{ 2446{
2163 STRLEN svlen; 2447 STRLEN svlen;
… …
2184} 2468}
2185 OUTPUT: 2469 OUTPUT:
2186 RETVAL 2470 RETVAL
2187 2471
2188int 2472int
2189munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) 2473munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2190 CODE: 2474 CODE:
2191{ 2475{
2192 STRLEN svlen; 2476 STRLEN svlen;
2193 void *addr = SvPVbyte (scalar, svlen); 2477 void *addr = SvPVbyte (scalar, svlen);
2194 size_t len = SvUV (length); 2478 size_t len = SvUV (length);
… …
2209#else 2493#else
2210 RETVAL = EIO_ENOSYS (); 2494 RETVAL = EIO_ENOSYS ();
2211#endif 2495#endif
2212} 2496}
2213 OUTPUT: 2497 OUTPUT:
2498 RETVAL
2499
2500int
2501mlockall (int flags)
2502 PROTOTYPE: $;
2503 CODE:
2504 RETVAL = eio_mlockall_sync (flags);
2505 OUTPUT:
2214 RETVAL 2506 RETVAL
2215 2507
2216int 2508int
2217munlockall () 2509munlockall ()
2218 CODE: 2510 CODE:
… …
2223#endif 2515#endif
2224 OUTPUT: 2516 OUTPUT:
2225 RETVAL 2517 RETVAL
2226 2518
2227int 2519int
2520statx (SV8 *pathname, int flags, UV mask)
2521 CODE:
2522{
2523 /* undocumented, and might go away, and anyway, should use eio_statx */
2524 SV *wdsv = 0;
2525 SV *pathsv = 0;
2526 eio_wd wd = EIO_CWD;
2527 void *ptr;
2528 int res;
2529
2530 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2531 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2532
2533 SvREFCNT_dec (pathsv);
2534 SvREFCNT_dec (wdsv);
2535}
2536 OUTPUT:
2537 RETVAL
2538
2539U32
2540stx_mode ()
2541 PROTOTYPE:
2542 CODE:
2543#if HAVE_STATX
2544 RETVAL = stx.stx_mode;
2545#else
2546 XSRETURN_UNDEF;
2547#endif
2548 OUTPUT:
2549 RETVAL
2550
2551#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2552#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2553#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2554#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2555#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2556#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2557#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2558#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2559#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2560#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2561#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2562#define STATX_OFFSET_size statx_offsetof (stx_size)
2563#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2564#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2565#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2566#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2567#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2568#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2569
2570U32
2571stx_mask ()
2572 PROTOTYPE:
2573 ALIAS:
2574 stx_mask = STATX_OFFSET_mask
2575 stx_blksize = STATX_OFFSET_blksize
2576 stx_nlink = STATX_OFFSET_nlink
2577 stx_uid = STATX_OFFSET_uid
2578 stx_gid = STATX_OFFSET_gid
2579 stx_rdev_major = STATX_OFFSET_rdev_major
2580 stx_rdev_minor = STATX_OFFSET_rdev_minor
2581 stx_dev_major = STATX_OFFSET_dev_major
2582 stx_dev_minor = STATX_OFFSET_dev_minor
2583 CODE:
2584#if HAVE_STATX
2585 RETVAL = *(__u32 *)((char *)&stx + ix);
2586#else
2587 XSRETURN_UNDEF;
2588#endif
2589 OUTPUT:
2590 RETVAL
2591
2592VAL64
2593stx_attributes ()
2594 PROTOTYPE:
2595 ALIAS:
2596 stx_attributes = STATX_OFFSET_attributes
2597 stx_ino = STATX_OFFSET_ino
2598 stx_size = STATX_OFFSET_size
2599 stx_blocks = STATX_OFFSET_blocks
2600 stx_attributes_mask = STATX_OFFSET_attributes_mask
2601 CODE:
2602#if HAVE_STATX
2603 RETVAL = *(__u64 *)((char *)&stx + ix);
2604#else
2605 XSRETURN_UNDEF;
2606#endif
2607 OUTPUT:
2608 RETVAL
2609
2610NV
2611stx_atime ()
2612 PROTOTYPE:
2613 ALIAS:
2614 stx_atime = STATX_OFFSET_atime
2615 stx_btime = STATX_OFFSET_btime
2616 stx_ctime = STATX_OFFSET_ctime
2617 stx_mtime = STATX_OFFSET_mtime
2618 CODE:
2619#if HAVE_STATX
2620 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2621 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2622#else
2623 XSRETURN_UNDEF;
2624#endif
2625 OUTPUT:
2626 RETVAL
2627
2628VAL64
2629stx_atimesec ()
2630 PROTOTYPE:
2631 ALIAS:
2632 stx_atimesec = STATX_OFFSET_atime
2633 stx_btimesec = STATX_OFFSET_btime
2634 stx_ctimesec = STATX_OFFSET_ctime
2635 stx_mtimesec = STATX_OFFSET_mtime
2636 CODE:
2637#if HAVE_STATX
2638 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2639 RETVAL = ts->tv_sec;
2640#else
2641 XSRETURN_UNDEF;
2642#endif
2643 OUTPUT:
2644 RETVAL
2645
2646U32
2647stx_atimensec ()
2648 PROTOTYPE:
2649 ALIAS:
2650 stx_atimensec = STATX_OFFSET_atime
2651 stx_btimensec = STATX_OFFSET_btime
2652 stx_ctimensec = STATX_OFFSET_ctime
2653 stx_mtimensec = STATX_OFFSET_mtime
2654 CODE:
2655#if HAVE_STATX
2656 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2657 RETVAL = ts->tv_nsec;
2658#else
2659 RETVAL = 0;
2660#endif
2661 OUTPUT:
2662 RETVAL
2663
2664void
2665accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2666 PPCODE:
2667{
2668 SV *retval;
2669#if HAVE_ACCEPT4
2670 socklen_t salen_ = salen ? salen + 1 : 0;
2671
2672 if (salen)
2673 {
2674 sv_upgrade (sockaddr, SVt_PV);
2675 sv_grow (sockaddr, salen_);
2676 }
2677
2678 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2679
2680 retval = newmortalFH (res, O_RDWR);
2681
2682 if (res >= 0 && salen > 0)
2683 {
2684 if (salen_ > salen + 1)
2685 salen_ = salen + 1;
2686
2687 SvPOK_only (sockaddr);
2688 SvCUR_set (sockaddr, salen_);
2689 }
2690#else
2691 errno = ENOSYS;
2692 retval = &PL_sv_undef;
2693#endif
2694 XPUSHs (retval);
2695}
2696
2697ssize_t
2228splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) 2698splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2229 CODE: 2699 CODE:
2230{ 2700{
2231#if HAVE_LINUX_SPLICE 2701#if HAVE_LINUX_SPLICE
2232 loff_t off_in_, off_out_; 2702 loff_t off_in_, off_out_;
… …
2240#endif 2710#endif
2241} 2711}
2242 OUTPUT: 2712 OUTPUT:
2243 RETVAL 2713 RETVAL
2244 2714
2245int 2715ssize_t
2246tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) 2716tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2247 CODE: 2717 CODE:
2248#if HAVE_LINUX_SPLICE 2718#if HAVE_LINUX_SPLICE
2249 RETVAL = tee (rfh, wfh, length, flags); 2719 RETVAL = tee (rfh, wfh, length, flags);
2250#else 2720#else
… …
2293 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2763 PUSHs (newmortalFH (fd[1], O_WRONLY));
2294 } 2764 }
2295} 2765}
2296 2766
2297void 2767void
2768pidfd_open (int pid, unsigned int flags = 0)
2769 PPCODE:
2770{
2771 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2772 int fd = syscall (SYS_pidfd_open, pid, flags);
2773 XPUSHs (newmortalFH (fd, O_RDWR));
2774}
2775
2776int
2777pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2778 PPCODE:
2779{
2780 int res;
2781#if HAVE_SIGINFO_T
2782 siginfo_t si = { 0 };
2783
2784 if (SvOK (siginfo))
2785 {
2786 HV *hv;
2787 SV **svp;
2788
2789 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2790 croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught");
2791
2792 hv = (HV *)SvRV (siginfo);
2793
2794 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2795 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2796 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2797 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2798 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2799 }
2800
2801 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2802 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2803#else
2804 res = (errno = ENOSYS, -1);
2805#endif
2806
2807 XPUSHs (sv_2mortal (newSViv (res)));
2808}
2809
2810void
2811pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2812 PPCODE:
2813{
2814 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2815 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2816 XPUSHs (newmortalFH (fd, O_RDWR));
2817}
2818
2819void
2298eventfd (unsigned int initval = 0, int flags = 0) 2820eventfd (unsigned int initval = 0, int flags = 0)
2299 PPCODE: 2821 PPCODE:
2300{ 2822{
2301 int fd; 2823 int fd;
2302#if HAVE_EVENTFD 2824#if HAVE_EVENTFD
… …
2364 } 2886 }
2365#else 2887#else
2366 errno = ENOSYS; 2888 errno = ENOSYS;
2367#endif 2889#endif
2368} 2890}
2891
2892void
2893memfd_create (octet_string pathname, int flags = 0)
2894 PPCODE:
2895{
2896 int fd;
2897#if HAVE_MEMFD_CREATE
2898 fd = memfd_create (pathname, flags);
2899#else
2900 fd = (errno = ENOSYS, -1);
2901#endif
2902
2903 XPUSHs (newmortalFH (fd, O_RDWR));
2904}
2905
2906int
2907fexecve (SV *fh, SV *args, SV *envs = &PL_sv_undef)
2908 CODE:
2909{
2910 int fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
2911 char **envp, **argv;
2912 argv = extract_stringvec (args, "IO::AIO::fexecve: args must be an array of strings");
2913 if (!SvOK (envs))
2914 {
2915 extern char **environ;
2916 envp = environ;
2917 }
2918 else
2919 envp = extract_stringvec (envs, "IO::AIO::fexecve: envs must be an array of strings");
2920#if _POSIX_VERSION >= 200809L
2921 RETVAL = fexecve (fd, argv, envp);
2922#else
2923 RETVAL = (errno = ENOSYS, -1);
2924#endif
2925}
2926 OUTPUT: RETVAL
2927
2928int
2929mount (octet_string special, octet_string path, octet_string fstype, UV flags = 0, octet_string_ornull data = 0)
2930 CODE:
2931#if HAVE_MOUNT
2932 RETVAL = mount (special, path, fstype, flags, data);
2933#else
2934 RETVAL = (errno = ENOSYS, -1);
2935#endif
2936 OUTPUT: RETVAL
2937
2938int
2939umount (octet_string path, int flags = 0)
2940 CODE:
2941 if (flags)
2942#if HAVE_UMOUNT2
2943 RETVAL = umount2 (path, flags);
2944#else
2945 RETVAL = (errno = ENOSYS, -1);
2946#endif
2947 else
2948#if HAVE_UMOUNT
2949 RETVAL = umount (path);
2950#else
2951 RETVAL = (errno = ENOSYS, -1);
2952#endif
2953 OUTPUT: RETVAL
2369 2954
2370UV 2955UV
2371get_fdlimit () 2956get_fdlimit ()
2372 CODE: 2957 CODE:
2373#if HAVE_RLIMITS 2958#if HAVE_RLIMITS
… …
2407 if (0 == setrlimit (RLIMIT_NOFILE, &rl)) 2992 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2408 XSRETURN_YES; 2993 XSRETURN_YES;
2409 2994
2410 if (errno == EPERM) 2995 if (errno == EPERM)
2411 { 2996 {
2412 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ 2997 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2413 /* our limit overflows a system-wide limit */ 2998 /* our limit overflows a system-wide limit */
2414 /* try an adaptive algorithm, but do not lower the hardlimit */ 2999 /* try an adaptive algorithm, but do not lower the hardlimit */
2415 rl.rlim_max = 0; 3000 rl.rlim_max = 0;
2416 for (bit = 0x40000000U; bit; bit >>= 1) 3001 for (bit = 0x40000000U; bit; bit >>= 1)
2417 { 3002 {
2418 rl.rlim_max |= bit; 3003 rl.rlim_max |= bit;
2419 rl.rlim_cur = rl.rlim_max; 3004 rl.rlim_cur = rl.rlim_max;
2420 3005
2421 /* nevr decrease the hard limit */ 3006 /* never decrease the hard limit */
2422 if (rl.rlim_max < orig_rlim_max) 3007 if (rl.rlim_max < orig_rlim_max)
2423 break; 3008 break;
2424 3009
2425 if (0 != setrlimit (RLIMIT_NOFILE, &rl)) 3010 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2426 rl.rlim_max &= ~bit; /* too high, remove bit again */ 3011 rl.rlim_max &= ~bit; /* too high, remove bit again */

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