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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.252 by root, Sat Jan 6 02:11:10 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#include "schmorp.h" 10#if !defined mg_findext
11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
12#endif
10 13
11#include <stddef.h> 14#include <stddef.h>
12#include <stdlib.h> 15#include <stdlib.h>
13#include <errno.h> 16#include <errno.h>
14#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
15#include <sys/stat.h> 19#include <sys/stat.h>
16#include <limits.h> 20#include <limits.h>
17#include <fcntl.h> 21#include <fcntl.h>
18#include <sched.h> 22#include <sched.h>
19
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h>
22#endif
23
24/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
28 */
29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
30# include <linux/fs.h>
31# ifdef FS_IOC_FIEMAP
32# include <linux/types.h>
33# include <linux/fiemap.h>
34# define HAVE_FIEMAP 1
35# endif
36#endif
37 23
38/* perl namespace pollution */ 24/* perl namespace pollution */
39#undef VERSION 25#undef VERSION
40 26
41/* perl stupidly overrides readdir and maybe others */ 27/* perl stupidly overrides readdir and maybe others */
… …
75 #undef fchmod 61 #undef fchmod
76 #undef dup 62 #undef dup
77 #undef dup2 63 #undef dup2
78 #undef abort 64 #undef abort
79 #undef pipe 65 #undef pipe
66 #undef utime
80 67
81 #define EIO_STRUCT_STAT struct _stati64 68 #define EIO_STRUCT_STAT struct _stati64
82 #define EIO_STRUCT_STATI64 69 #define EIO_STRUCT_STATI64
83 70
84#else 71#else
85 72
86 #include <sys/time.h> 73 #include <sys/time.h>
87 #include <sys/select.h> 74 #include <sys/select.h>
75 #include <sys/wait.h>
88 #include <unistd.h> 76 #include <unistd.h>
89 #include <utime.h> 77 #include <utime.h>
90 #include <signal.h> 78 #include <signal.h>
91 79
92 #define EIO_STRUCT_STAT Stat_t 80 #define EIO_STRUCT_STAT Stat_t
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 92#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 93#define expect_true(expr) expect ((expr) != 0, 1)
106 94
107/*****************************************************************************/ 95/*****************************************************************************/
108 96
109#include "libeio/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
134
135#if HAVE_ST_XTIMENSEC
136# define ATIMENSEC PL_statcache.st_atimensec
137# define MTIMENSEC PL_statcache.st_mtimensec
138# define CTIMENSEC PL_statcache.st_ctimensec
139#elif HAVE_ST_XTIMESPEC
140# define ATIMENSEC PL_statcache.st_atim.tv_nsec
141# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
142# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
143#else
144# define ATIMENSEC 0
145# define MTIMENSEC 0
146# define CTIMENSEC 0
147#endif
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
166#include "schmorp.h"
167
168#if HAVE_EVENTFD
169# include <sys/eventfd.h>
170#endif
171
172#if HAVE_TIMERFD
173# include <sys/timerfd.h>
174#endif
110 175
111#if HAVE_RLIMITS 176#if HAVE_RLIMITS
112 #include <sys/time.h> 177 #include <sys/time.h>
113 #include <sys/resource.h> 178 #include <sys/resource.h>
114#endif 179#endif
115 180
116typedef 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;
117typedef int aio_rfd; /* read file desriptor */ 184typedef int aio_rfd; /* read file desriptor */
118typedef int aio_wfd; /* write file descriptor */ 185typedef int aio_wfd; /* write file descriptor */
119 186
120static 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;
121 188
… …
151# else 218# else
152# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 219# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
153# endif 220# endif
154#endif 221#endif
155 222
156/* defines all sorts of constants to 0 unless they are already defined */
157/* also provides const_iv_ and const_niv_ macros for them */
158#include "def0.h"
159
160#ifndef makedev 223#ifndef makedev
161# define makedev(maj,min) (((maj) << 8) | (min)) 224# define makedev(maj,min) (((maj) << 8) | (min))
162#endif 225#endif
163#ifndef major 226#ifndef major
164# define major(dev) ((dev) >> 8) 227# define major(dev) ((dev) >> 8)
165#endif 228#endif
166#ifndef minor 229#ifndef minor
167# define minor(dev) ((dev) & 0xff) 230# define minor(dev) ((dev) & 0xff)
168#endif 231#endif
169 232
233/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
234#ifdef __sun
235# undef PAGESIZE
236#endif
237
170#if PAGESIZE <= 0 238#if PAGESIZE <= 0
171# define PAGESIZE sysconf (_SC_PAGESIZE) 239# define PAGESIZE sysconf (_SC_PAGESIZE)
172#endif 240#endif
173 241
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
174/*****************************************************************************/ 253/*****************************************************************************/
175 254
176#if !_POSIX_MAPPED_FILES 255#if !_POSIX_MAPPED_FILES
177# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () 256# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
178# define munmap(addr,length) EIO_ENOSYS () 257# define munmap(addr,length) EIO_ENOSYS ()
179#endif 258#endif
180 259
181#if !_POSIX_MEMORY_PROTECTION 260#if !_POSIX_MEMORY_PROTECTION
182# define mprotect(addr,len,prot) EIO_ENOSYS () 261# define mprotect(addr,len,prot) EIO_ENOSYS ()
262#endif
263
264#if !MREMAP_MAYMOVE
265# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
183#endif 266#endif
184 267
185#define FOREIGN_MAGIC PERL_MAGIC_ext 268#define FOREIGN_MAGIC PERL_MAGIC_ext
186 269
187static int ecb_cold 270static int ecb_cold
… …
232}; 315};
233 316
234/*****************************************************************************/ 317/*****************************************************************************/
235 318
236/* helper: set scalar to foreign ptr with custom free */ 319/* helper: set scalar to foreign ptr with custom free */
320ecb_noinline
237static void 321static void
238sv_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)
239{ 323{
240 sv_force_normal (sv); 324 sv_force_normal (sv);
241 325
… …
259{ 343{
260 /* todo: iterate over magic and only free ours, but of course */ 344 /* todo: iterate over magic and only free ours, but of course */
261 /* the perl5porters will call that (correct) behaviour buggy */ 345 /* the perl5porters will call that (correct) behaviour buggy */
262 sv_unmagic (sv, FOREIGN_MAGIC); 346 sv_unmagic (sv, FOREIGN_MAGIC);
263} 347}
348
349/*****************************************************************************/
350
351/* defines all sorts of constants to 0 unless they are already defined */
352/* also provides const_iv_ and const_niv_ macros for them */
353#include "def0.h"
264 354
265/*****************************************************************************/ 355/*****************************************************************************/
266 356
267static void 357static void
268fiemap (eio_req *req) 358fiemap (eio_req *req)
… …
276 int count = req->int3; 366 int count = req->int3;
277 367
278 req->flags |= EIO_FLAG_PTR1_FREE; 368 req->flags |= EIO_FLAG_PTR1_FREE;
279 369
280 /* 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, */
281 /* increase in 3.5kb steps */ 371 /* increase in fixed steps */
282 if (count < 0) 372 if (count < 0)
283 count = 8; 373 count = 8;
284 374
285 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 375 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
286 errno = ENOMEM; 376 errno = ENOMEM;
… …
339 429
340 for (count = 0; count < incmap->fm_mapped_extents; ++count) 430 for (count = 0; count < incmap->fm_mapped_extents; ++count)
341 { 431 {
342 struct fiemap_extent *e = incmap->fm_extents + count; 432 struct fiemap_extent *e = incmap->fm_extents + count;
343 433
434 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
435
344 if (e->fe_logical + e->fe_length >= end_offset) 436 if (e->fe_logical >= end_offset)
345 goto done; 437 goto done;
346
347 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
348 438
349 if (e->fe_flags & FIEMAP_EXTENT_LAST) 439 if (e->fe_flags & FIEMAP_EXTENT_LAST)
350 goto done; 440 goto done;
351 441
352 } 442 }
… …
359 errno = ENOSYS; 449 errno = ENOSYS;
360#endif 450#endif
361} 451}
362 452
363/*****************************************************************************/ 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
364 465
365enum { 466enum {
366 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 467 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
367}; 468};
368 469
… …
392 /* read any signals sent by the worker threads */ 493 /* read any signals sent by the worker threads */
393 s_epipe_drain (&respipe); 494 s_epipe_drain (&respipe);
394} 495}
395 496
396/* must be called at most once */ 497/* must be called at most once */
498ecb_noinline
397static SV * 499static SV *
398req_sv (aio_req req, HV *stash) 500req_sv (aio_req req, HV *stash)
399{ 501{
400 if (!req->self) 502 if (!req->self)
401 { 503 {
… …
410newSVaio_wd (aio_wd wd) 512newSVaio_wd (aio_wd wd)
411{ 513{
412 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);
413} 515}
414 516
517ecb_noinline
415static aio_req 518static aio_req
416SvAIO_REQ (SV *sv) 519SvAIO_REQ (SV *sv)
417{ 520{
418 MAGIC *mg; 521 MAGIC *mg;
419 522
… …
482 FREETMPS; 585 FREETMPS;
483 LEAVE; 586 LEAVE;
484 } 587 }
485} 588}
486 589
590ecb_noinline
487static void 591static void
488req_submit (eio_req *req) 592req_submit (eio_req *req)
489{ 593{
490 eio_submit (req); 594 eio_submit (req);
491 595
… …
752 } 856 }
753 else 857 else
754 PUSHs (sv_result); 858 PUSHs (sv_result);
755 break; 859 break;
756 860
861#if 0
862 case EIO_CLOSE:
863 PerlIOUnix_refcnt_dec (req->int1);
864 break;
865#endif
866
757 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 */
758 if (req->result > 0) 868 if (req->result > 0)
759 SvIV_set (sv_result, 0); 869 SvIV_set (sv_result, 0);
760 /* FALLTHROUGH */ 870 /* FALLTHROUGH */
761 871
… …
812 grp->sv2 = 0; 922 grp->sv2 = 0;
813 923
814 eio_grp_cancel (grp); 924 eio_grp_cancel (grp);
815} 925}
816 926
817static void ecb_cold 927ecb_cold
928static void
818create_respipe (void) 929create_respipe (void)
819{ 930{
820 if (s_epipe_renew (&respipe)) 931 if (s_epipe_renew (&respipe))
821 croak ("IO::AIO: unable to initialize result pipe"); 932 croak ("IO::AIO: unable to initialize result pipe");
822} 933}
… …
856 967
857 poll_wait (); 968 poll_wait ();
858 } 969 }
859} 970}
860 971
861static void ecb_cold 972ecb_cold
973static void
862reinit (void) 974reinit (void)
863{ 975{
864 create_respipe (); 976 create_respipe ();
865 977
866 if (eio_init (want_poll, done_poll) < 0) 978 if (eio_init (want_poll, done_poll) < 0)
… …
874{ 986{
875 SvGETMAGIC (cb_sv); 987 SvGETMAGIC (cb_sv);
876 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 988 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
877} 989}
878 990
991ecb_noinline
879static aio_req ecb_noinline 992static aio_req ecb_noinline
880dreq (SV *callback) 993dreq (SV *callback)
881{ 994{
882 SV *cb_cv; 995 SV *cb_cv;
883 aio_req req; 996 aio_req req;
… …
905 SPAGAIN; \ 1018 SPAGAIN; \
906 \ 1019 \
907 if (GIMME_V != G_VOID) \ 1020 if (GIMME_V != G_VOID) \
908 XPUSHs (req_sv (req, aio_req_stash)); 1021 XPUSHs (req_sv (req, aio_req_stash));
909 1022
1023/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
910ecb_inline void 1024ecb_inline
1025void
911req_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)
912{ 1027{
913 if (expect_false (SvROK (path))) 1028 if (expect_false (SvROK (path)))
914 { 1029 {
915 SV *rv = SvRV (path); 1030 SV *rv = SvRV (path);
916 SV *wdob; 1031 SV *wdob;
… …
941 1056
942 *pathsv = newSVsv (path); 1057 *pathsv = newSVsv (path);
943 *ptr = SvPVbyte_nolen (*pathsv); 1058 *ptr = SvPVbyte_nolen (*pathsv);
944} 1059}
945 1060
946static void ecb_noinline 1061ecb_noinline
1062static void
947req_set_path1 (aio_req req, SV *path) 1063req_set_path1 (aio_req req, SV *path)
948{ 1064{
949 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);
950} 1066}
951 1067
952static void ecb_noinline 1068ecb_noinline
1069static void
953req_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)
954{ 1071{
955 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;
956 1073
957 switch (SvTYPE (rv)) 1074 switch (SvTYPE (rv))
… …
969 req_set_path1 (req, fh_or_path); 1086 req_set_path1 (req, fh_or_path);
970 break; 1087 break;
971 } 1088 }
972} 1089}
973 1090
1091/*****************************************************************************/
1092
1093static void
1094ts_set (struct timespec *ts, NV value)
1095{
1096 ts->tv_sec = value;
1097 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1098}
1099
1100static NV
1101ts_get (const struct timespec *ts)
1102{
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;
1132}
1133
1134/*****************************************************************************/
1135
974XS(boot_IO__AIO) ecb_cold; 1136XS(boot_IO__AIO) ecb_cold;
975 1137
976MODULE = IO::AIO PACKAGE = IO::AIO 1138MODULE = IO::AIO PACKAGE = IO::AIO
977 1139
978PROTOTYPES: ENABLE 1140PROTOTYPES: ENABLE
… …
1009 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) 1171 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1010 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) 1172 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1011 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) 1173 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1012 1174
1013 /* the second block will be 0 when missing */ 1175 /* the second block will be 0 when missing */
1176 const_iv (O_ACCMODE)
1177
1014 const_iv (O_RDONLY) 1178 const_iv (O_RDONLY)
1015 const_iv (O_WRONLY) 1179 const_iv (O_WRONLY)
1016 const_iv (O_RDWR) 1180 const_iv (O_RDWR)
1017 const_iv (O_CREAT) 1181 const_iv (O_CREAT)
1018 const_iv (O_TRUNC) 1182 const_iv (O_TRUNC)
… …
1077 const_iv (MAP_NONBLOCK) 1241 const_iv (MAP_NONBLOCK)
1078 const_iv (MAP_GROWSDOWN) 1242 const_iv (MAP_GROWSDOWN)
1079 const_iv (MAP_32BIT) 1243 const_iv (MAP_32BIT)
1080 const_iv (MAP_HUGETLB) 1244 const_iv (MAP_HUGETLB)
1081 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)
1250
1251 const_iv (MREMAP_MAYMOVE)
1252 const_iv (MREMAP_FIXED)
1253
1254 const_iv (MSG_CMSG_CLOEXEC)
1255 const_iv (SOCK_CLOEXEC)
1082 1256
1083 const_iv (F_DUPFD_CLOEXEC) 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)
1084 1265
1085 const_iv (F_OFD_GETLK) 1266 const_iv (F_OFD_GETLK)
1086 const_iv (F_OFD_SETLK) 1267 const_iv (F_OFD_SETLK)
1087 const_iv (F_OFD_GETLKW) 1268 const_iv (F_OFD_GETLKW)
1088 1269
… …
1161 const_iv (SPLICE_F_MOVE) 1342 const_iv (SPLICE_F_MOVE)
1162 const_iv (SPLICE_F_NONBLOCK) 1343 const_iv (SPLICE_F_NONBLOCK)
1163 const_iv (SPLICE_F_MORE) 1344 const_iv (SPLICE_F_MORE)
1164 const_iv (SPLICE_F_GIFT) 1345 const_iv (SPLICE_F_GIFT)
1165 1346
1347 const_iv (EFD_CLOEXEC)
1348 const_iv (EFD_NONBLOCK)
1349 const_iv (EFD_SEMAPHORE)
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
1357 const_iv (CLOCK_REALTIME)
1358 const_iv (CLOCK_MONOTONIC)
1359 const_iv (CLOCK_BOOTTIME)
1360 const_iv (CLOCK_REALTIME_ALARM)
1361 const_iv (CLOCK_BOOTTIME_ALARM)
1362
1363 const_iv (TFD_NONBLOCK)
1364 const_iv (TFD_CLOEXEC)
1365
1366 const_iv (TFD_TIMER_ABSTIME)
1367 const_iv (TFD_TIMER_CANCEL_ON_SET)
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
1166 /* these are libeio constants, and are independent of gendef0 */ 1496 /* these are libeio constants, and are independent of gendef0 */
1167 const_eio (SEEK_SET) 1497 const_eio (SEEK_SET)
1168 const_eio (SEEK_CUR) 1498 const_eio (SEEK_CUR)
1169 const_eio (SEEK_END) 1499 const_eio (SEEK_END)
1170 1500
1171 const_eio (MCL_FUTURE) 1501 const_eio (MCL_FUTURE)
1172 const_eio (MCL_CURRENT) 1502 const_eio (MCL_CURRENT)
1503 const_eio (MCL_ONFAULT)
1173 1504
1174 const_eio (MS_ASYNC) 1505 const_eio (MS_ASYNC)
1175 const_eio (MS_INVALIDATE) 1506 const_eio (MS_INVALIDATE)
1176 const_eio (MS_SYNC) 1507 const_eio (MS_SYNC)
1177 1508
… …
1216 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--)
1217 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1548 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1218 1549
1219 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1550 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1220 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
1221 reinit (); 1570 reinit ();
1222} 1571}
1223 1572
1224void 1573void
1225reinit () 1574reinit ()
… …
1347 1696
1348void 1697void
1349aio_close (SV *fh, SV *callback = &PL_sv_undef) 1698aio_close (SV *fh, SV *callback = &PL_sv_undef)
1350 PPCODE: 1699 PPCODE:
1351{ 1700{
1352 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1353 int fd = s_fileno_croak (fh, 0); 1701 int fd = s_fileno_croak (fh, 0);
1354 dREQ; 1702 dREQ;
1703#if 0
1704 /* partially duplicate logic in s_fileno */
1705 SvGETMAGIC (fh);
1355 1706
1356 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)
1357 { 1714 {
1358 int pipefd [2]; 1715 /* perl filehandle */
1716 PerlIOUnix_refcnt_inc (fd);
1717 do_close ((GV *)fh, 1);
1359 1718
1360 if ( 1719 req->type = EIO_CLOSE;
1361#ifdef _WIN32 1720 req->int1 = fd;
1362 _pipe (pipefd, 1, _O_BINARY) < 0 1721 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1363#else
1364 pipe (pipefd) < 0
1365 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1366#endif
1367 || close (pipefd [1]) < 0
1368 )
1369 abort (); /*D*/
1370
1371 close_fd = pipefd [0];
1372 } 1722 }
1373 1723 else
1724#endif
1725 {
1726 /* fd number */
1374 req->type = EIO_DUP2; 1727 req->type = EIO_DUP2;
1375 req->int1 = close_fd; 1728 req->int1 = close_fd;
1376 req->sv2 = newSVsv (fh); 1729 req->sv2 = newSVsv (fh);
1377 req->int2 = fd; 1730 req->int2 = fd;
1731 }
1378 1732
1379 REQ_SEND; 1733 REQ_SEND;
1380} 1734}
1381 1735
1382void 1736void
… …
1553 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1907 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1554 1908
1555 REQ_SEND; 1909 REQ_SEND;
1556} 1910}
1557 1911
1912void
1913st_xtime ()
1914 ALIAS:
1915 st_atime = 0x01
1916 st_mtime = 0x02
1917 st_ctime = 0x04
1918 st_btime = 0x08
1919 st_xtime = 0x0f
1920 PPCODE:
1921 EXTEND (SP, 4);
1922 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1923 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1924 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1925 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1926
1927void
1928st_xtimensec ()
1929 ALIAS:
1930 st_atimensec = 0x01
1931 st_mtimensec = 0x02
1932 st_ctimensec = 0x04
1933 st_btimensec = 0x08
1934 st_xtimensec = 0x0f
1935 st_btimesec = 0x10
1936 st_gen = 0x20
1937 PPCODE:
1938 EXTEND (SP, 4);
1939 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1940 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
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));
1945
1558UV 1946UV
1559major (UV dev) 1947major (UV dev)
1560 ALIAS: 1948 ALIAS:
1561 minor = 1 1949 minor = 1
1562 CODE: 1950 CODE:
… …
1678 eio_wd wd2 = 0; 2066 eio_wd wd2 = 0;
1679 dREQ; 2067 dREQ;
1680 2068
1681 req->type = ix; 2069 req->type = ix;
1682 req_set_path1 (req, oldpath); 2070 req_set_path1 (req, oldpath);
1683 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 2071 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1684 req->int3 = (long)wd2; 2072 req->int3 = (long)wd2;
1685 2073
1686 REQ_SEND; 2074 REQ_SEND;
1687} 2075}
1688 2076
… …
1693 eio_wd wd2 = 0; 2081 eio_wd wd2 = 0;
1694 dREQ; 2082 dREQ;
1695 2083
1696 req->type = EIO_RENAME; 2084 req->type = EIO_RENAME;
1697 req_set_path1 (req, oldpath); 2085 req_set_path1 (req, oldpath);
1698 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 2086 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1699 req->int2 = flags; 2087 req->int2 = flags;
1700 req->int3 = (long)wd2; 2088 req->int3 = (long)wd2;
1701 2089
1702 REQ_SEND; 2090 REQ_SEND;
1703} 2091}
… …
2016void 2404void
2017munmap (SV *scalar) 2405munmap (SV *scalar)
2018 CODE: 2406 CODE:
2019 sv_clear_foreign (scalar); 2407 sv_clear_foreign (scalar);
2020 2408
2409SV *
2410mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2411 CODE:
2412{
2413 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2414 void *new;
2415
2416 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2417 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2418
2419 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2420
2421 RETVAL = &PL_sv_no;
2422
2423 if (new != (void *)-1)
2424 {
2425 RETVAL = new == (void *)mg->mg_ptr
2426 ? newSVpvn ("0 but true", 10)
2427 : &PL_sv_yes;
2428
2429 mg->mg_ptr = (char *)new;
2430 mg->mg_obj = (SV *)new_length;
2431
2432 SvPVX (scalar) = mg->mg_ptr;
2433 SvCUR_set (scalar, new_length);
2434 }
2435}
2436 OUTPUT:
2437 RETVAL
2438
2021int 2439int
2022madvise (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)
2023 ALIAS: 2441 ALIAS:
2024 mprotect = 1 2442 mprotect = 1
2025 CODE: 2443 CODE:
2026{ 2444{
2027 STRLEN svlen; 2445 STRLEN svlen;
… …
2048} 2466}
2049 OUTPUT: 2467 OUTPUT:
2050 RETVAL 2468 RETVAL
2051 2469
2052int 2470int
2053munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) 2471munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2054 CODE: 2472 CODE:
2055{ 2473{
2056 STRLEN svlen; 2474 STRLEN svlen;
2057 void *addr = SvPVbyte (scalar, svlen); 2475 void *addr = SvPVbyte (scalar, svlen);
2058 size_t len = SvUV (length); 2476 size_t len = SvUV (length);
… …
2073#else 2491#else
2074 RETVAL = EIO_ENOSYS (); 2492 RETVAL = EIO_ENOSYS ();
2075#endif 2493#endif
2076} 2494}
2077 OUTPUT: 2495 OUTPUT:
2496 RETVAL
2497
2498int
2499mlockall (int flags)
2500 PROTOTYPE: $;
2501 CODE:
2502 RETVAL = eio_mlockall_sync (flags);
2503 OUTPUT:
2078 RETVAL 2504 RETVAL
2079 2505
2080int 2506int
2081munlockall () 2507munlockall ()
2082 CODE: 2508 CODE:
… …
2087#endif 2513#endif
2088 OUTPUT: 2514 OUTPUT:
2089 RETVAL 2515 RETVAL
2090 2516
2091int 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
2092splice (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)
2093 CODE: 2697 CODE:
2094{ 2698{
2095#if HAVE_LINUX_SPLICE 2699#if HAVE_LINUX_SPLICE
2096 loff_t off_in_, off_out_; 2700 loff_t off_in_, off_out_;
… …
2104#endif 2708#endif
2105} 2709}
2106 OUTPUT: 2710 OUTPUT:
2107 RETVAL 2711 RETVAL
2108 2712
2109int 2713ssize_t
2110tee (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)
2111 CODE: 2715 CODE:
2112#if HAVE_LINUX_SPLICE 2716#if HAVE_LINUX_SPLICE
2113 RETVAL = tee (rfh, wfh, length, flags); 2717 RETVAL = tee (rfh, wfh, length, flags);
2114#else 2718#else
… …
2156 PUSHs (newmortalFH (fd[0], O_RDONLY)); 2760 PUSHs (newmortalFH (fd[0], O_RDONLY));
2157 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2761 PUSHs (newmortalFH (fd[1], O_WRONLY));
2158 } 2762 }
2159} 2763}
2160 2764
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
2818eventfd (unsigned int initval = 0, int flags = 0)
2819 PPCODE:
2820{
2821 int fd;
2822#if HAVE_EVENTFD
2823 fd = eventfd (initval, flags);
2824#else
2825 fd = (errno = ENOSYS, -1);
2826#endif
2827
2828 XPUSHs (newmortalFH (fd, O_RDWR));
2829}
2830
2831void
2832timerfd_create (int clockid, int flags = 0)
2833 PPCODE:
2834{
2835 int fd;
2836#if HAVE_TIMERFD
2837 fd = timerfd_create (clockid, flags);
2838#else
2839 fd = (errno = ENOSYS, -1);
2840#endif
2841
2842 XPUSHs (newmortalFH (fd, O_RDWR));
2843}
2844
2845void
2846timerfd_settime (SV *fh, int flags, NV interval, NV value)
2847 PPCODE:
2848{
2849 int fd = s_fileno_croak (fh, 0);
2850#if HAVE_TIMERFD
2851 int res;
2852 struct itimerspec its, ots;
2853
2854 ts_set (&its.it_interval, interval);
2855 ts_set (&its.it_value , value);
2856 res = timerfd_settime (fd, flags, &its, &ots);
2857
2858 if (!res)
2859 {
2860 EXTEND (SP, 2);
2861 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2862 PUSHs (newSVnv (ts_get (&ots.it_value)));
2863 }
2864#else
2865 errno = ENOSYS;
2866#endif
2867}
2868
2869void
2870timerfd_gettime (SV *fh)
2871 PPCODE:
2872{
2873 int fd = s_fileno_croak (fh, 0);
2874#if HAVE_TIMERFD
2875 int res;
2876 struct itimerspec ots;
2877 res = timerfd_gettime (fd, &ots);
2878
2879 if (!res)
2880 {
2881 EXTEND (SP, 2);
2882 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2883 PUSHs (newSVnv (ts_get (&ots.it_value)));
2884 }
2885#else
2886 errno = ENOSYS;
2887#endif
2888}
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
2161UV 2943UV
2162get_fdlimit () 2944get_fdlimit ()
2163 CODE: 2945 CODE:
2164#if HAVE_RLIMITS 2946#if HAVE_RLIMITS
2165 struct rlimit rl; 2947 struct rlimit rl;
… …
2198 if (0 == setrlimit (RLIMIT_NOFILE, &rl)) 2980 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2199 XSRETURN_YES; 2981 XSRETURN_YES;
2200 2982
2201 if (errno == EPERM) 2983 if (errno == EPERM)
2202 { 2984 {
2203 /* 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 */
2204 /* our limit overflows a system-wide limit */ 2986 /* our limit overflows a system-wide limit */
2205 /* try an adaptive algorithm, but do not lower the hardlimit */ 2987 /* try an adaptive algorithm, but do not lower the hardlimit */
2206 rl.rlim_max = 0; 2988 rl.rlim_max = 0;
2207 for (bit = 0x40000000U; bit; bit >>= 1) 2989 for (bit = 0x40000000U; bit; bit >>= 1)
2208 { 2990 {
2209 rl.rlim_max |= bit; 2991 rl.rlim_max |= bit;
2210 rl.rlim_cur = rl.rlim_max; 2992 rl.rlim_cur = rl.rlim_max;
2211 2993
2212 /* nevr decrease the hard limit */ 2994 /* never decrease the hard limit */
2213 if (rl.rlim_max < orig_rlim_max) 2995 if (rl.rlim_max < orig_rlim_max)
2214 break; 2996 break;
2215 2997
2216 if (0 != setrlimit (RLIMIT_NOFILE, &rl)) 2998 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2217 rl.rlim_max &= ~bit; /* too high, remove bit again */ 2999 rl.rlim_max &= ~bit; /* too high, remove bit again */

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