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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.242 by root, Tue Jul 12 20:46:33 2016 UTC vs.
Revision 1.276 by root, Wed Apr 3 03:03:53 2019 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 23
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 24/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test 25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. on't complain if this fails for you. 26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
27 */ 28 */
28#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) 29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
29# include <linux/fs.h> 30# include <linux/fs.h>
30# ifdef FS_IOC_FIEMAP 31# ifdef FS_IOC_FIEMAP
31# include <linux/types.h> 32# include <linux/types.h>
74 #undef fchmod 75 #undef fchmod
75 #undef dup 76 #undef dup
76 #undef dup2 77 #undef dup2
77 #undef abort 78 #undef abort
78 #undef pipe 79 #undef pipe
80 #undef utime
79 81
80 #define EIO_STRUCT_STAT struct _stati64 82 #define EIO_STRUCT_STAT struct _stati64
81 #define EIO_STRUCT_STATI64 83 #define EIO_STRUCT_STATI64
82 84
83#else 85#else
102 104
103#define expect_false(expr) expect ((expr) != 0, 0) 105#define expect_false(expr) expect ((expr) != 0, 0)
104#define expect_true(expr) expect ((expr) != 0, 1) 106#define expect_true(expr) expect ((expr) != 0, 1)
105 107
106/*****************************************************************************/ 108/*****************************************************************************/
109
110#include "config.h"
111
112#if HAVE_SYS_MKDEV_H
113# include <sys/mkdev.h>
114#elif HAVE_SYS_SYSMACROS_H
115# include <sys/sysmacros.h>
116#endif
117
118#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
119# include <sys/mman.h>
120#endif
121
122#if HAVE_SYS_UIO_H
123# include <sys/uio.h>
124#endif
125
126#if HAVE_ST_XTIMENSEC
127# define ATIMENSEC PL_statcache.st_atimensec
128# define MTIMENSEC PL_statcache.st_mtimensec
129# define CTIMENSEC PL_statcache.st_ctimensec
130#elif HAVE_ST_XTIMESPEC
131# define ATIMENSEC PL_statcache.st_atim.tv_nsec
132# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
133# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
134#else
135# define ATIMENSEC 0
136# define MTIMENSEC 0
137# define CTIMENSEC 0
138#endif
139
140#if HAVE_ST_BIRTHTIMENSEC
141# define BTIMESEC PL_statcache.st_birthtime
142# define BTIMENSEC PL_statcache.st_birthtimensec
143#elif HAVE_ST_BIRTHTIMESPEC
144# define BTIMESEC PL_statcache.st_birthtim.tv_sec
145# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
146#else
147# define BTIMESEC 0
148# define BTIMENSEC 0
149#endif
150
151#if HAVE_ST_GEN
152# define ST_GEN PL_statcache.st_gen
153#else
154# define ST_GEN 0
155#endif
156
157#include "schmorp.h"
158
159#if HAVE_EVENTFD
160# include <sys/eventfd.h>
161#endif
162
163#if HAVE_TIMERFD
164# include <sys/timerfd.h>
165#endif
166
167#if HAVE_RLIMITS
168 #include <sys/time.h>
169 #include <sys/resource.h>
170#endif
107 171
108typedef SV SV8; /* byte-sv, used for argument-checking */ 172typedef SV SV8; /* byte-sv, used for argument-checking */
109typedef int aio_rfd; /* read file desriptor */ 173typedef int aio_rfd; /* read file desriptor */
110typedef int aio_wfd; /* write file descriptor */ 174typedef int aio_wfd; /* write file descriptor */
111 175
118 STRLEN stroffset; \ 182 STRLEN stroffset; \
119 SV *self; 183 SV *self;
120 184
121#define EIO_NO_WRAPPERS 1 185#define EIO_NO_WRAPPERS 1
122 186
123#include "libeio/config.h"
124#include "libeio/eio.h" 187#include "libeio/eio.h"
125 188
126static int req_invoke (eio_req *req); 189static int req_invoke (eio_req *req);
127#define EIO_FINISH(req) req_invoke (req) 190#define EIO_FINISH(req) req_invoke (req)
128static void req_destroy (eio_req *grp); 191static void req_destroy (eio_req *grp);
144# else 207# else
145# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 208# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
146# endif 209# endif
147#endif 210#endif
148 211
212#ifndef makedev
213# define makedev(maj,min) (((maj) << 8) | (min))
214#endif
215#ifndef major
216# define major(dev) ((dev) >> 8)
217#endif
218#ifndef minor
219# define minor(dev) ((dev) & 0xff)
220#endif
221
222/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
223#ifdef __sun
224# undef PAGESIZE
225#endif
226
227#if PAGESIZE <= 0
228# define PAGESIZE sysconf (_SC_PAGESIZE)
229#endif
230
231/*****************************************************************************/
232
233#if !_POSIX_MAPPED_FILES
234# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
235# define munmap(addr,length) EIO_ENOSYS ()
236#endif
237
238#if !_POSIX_MEMORY_PROTECTION
239# define mprotect(addr,len,prot) EIO_ENOSYS ()
240#endif
241
242#if !MREMAP_MAYMOVE
243# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
244#endif
245
246#define FOREIGN_MAGIC PERL_MAGIC_ext
247
248static int ecb_cold
249mmap_free (pTHX_ SV *sv, MAGIC *mg)
250{
251 int old_errno = errno;
252 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
253 errno = old_errno;
254
255 mg->mg_obj = 0; /* just in case */
256
257 SvREADONLY_off (sv);
258
259 if (SvPVX (sv) != mg->mg_ptr)
260 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
261
262 SvCUR_set (sv, 0);
263 SvPVX (sv) = 0;
264 SvOK_off (sv);
265
266 return 0;
267}
268
269static MGVTBL mmap_vtbl = {
270 0, 0, 0, 0, mmap_free
271};
272
273static int ecb_cold
274sysfree_free (pTHX_ SV *sv, MAGIC *mg)
275{
276 free (mg->mg_ptr);
277 mg->mg_obj = 0; /* just in case */
278
279 SvREADONLY_off (sv);
280
281 if (SvPVX (sv) != mg->mg_ptr)
282 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
283
284 SvCUR_set (sv, 0);
285 SvPVX (sv) = 0;
286 SvOK_off (sv);
287
288 return 0;
289}
290
291static MGVTBL sysfree_vtbl = {
292 0, 0, 0, 0, sysfree_free
293};
294
295/*****************************************************************************/
296
297/* helper: set scalar to foreign ptr with custom free */
298ecb_noinline
299static void
300sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
301{
302 sv_force_normal (sv);
303
304 /* we store the length in mg_obj, as namlen is I32 :/ */
305 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
306 ->mg_obj = (SV *)length;
307
308 SvUPGRADE (sv, SVt_PV); /* nop... */
309
310 if (SvLEN (sv))
311 Safefree (SvPVX (sv));
312
313 SvPVX (sv) = (char *)addr;
314 SvCUR_set (sv, length);
315 SvLEN_set (sv, 0);
316 SvPOK_only (sv);
317}
318
319static void
320sv_clear_foreign (SV *sv)
321{
322 /* todo: iterate over magic and only free ours, but of course */
323 /* the perl5porters will call that (correct) behaviour buggy */
324 sv_unmagic (sv, FOREIGN_MAGIC);
325}
326
327/*****************************************************************************/
328
149/* defines all sorts of constants to 0 unless they are already defined */ 329/* defines all sorts of constants to 0 unless they are already defined */
150/* also provides const_iv_ and const_niv_ macros for them */ 330/* also provides const_iv_ and const_niv_ macros for them */
151#include "def0.h" 331#include "def0.h"
152
153#ifndef makedev
154# define makedev(maj,min) (((maj) << 8) | (min))
155#endif
156#ifndef major
157# define major(dev) ((dev) >> 8)
158#endif
159#ifndef minor
160# define minor(dev) ((dev) & 0xff)
161#endif
162
163#if PAGESIZE <= 0
164# define PAGESIZE sysconf (_SC_PAGESIZE)
165#endif
166 332
167/*****************************************************************************/ 333/*****************************************************************************/
168 334
169static void 335static void
170fiemap (eio_req *req) 336fiemap (eio_req *req)
262#endif 428#endif
263} 429}
264 430
265/*****************************************************************************/ 431/*****************************************************************************/
266 432
433static int close_fd; /* dummy fd to close fds via dup2 */
434
435#if HAVE_STATX
436static struct statx stx;
437#define statx_offsetof(member) offsetof (struct statx, member)
438#define eio__statx statx
439#else
440#define statx_offsetof(member) 0
441#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
442#endif
443
267enum { 444enum {
268 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 445 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
269}; 446};
270 447
271typedef eio_req *aio_req; 448typedef eio_req *aio_req;
294 /* read any signals sent by the worker threads */ 471 /* read any signals sent by the worker threads */
295 s_epipe_drain (&respipe); 472 s_epipe_drain (&respipe);
296} 473}
297 474
298/* must be called at most once */ 475/* must be called at most once */
476ecb_noinline
299static SV * 477static SV *
300req_sv (aio_req req, HV *stash) 478req_sv (aio_req req, HV *stash)
301{ 479{
302 if (!req->self) 480 if (!req->self)
303 { 481 {
312newSVaio_wd (aio_wd wd) 490newSVaio_wd (aio_wd wd)
313{ 491{
314 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); 492 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
315} 493}
316 494
495ecb_noinline
317static aio_req 496static aio_req
318SvAIO_REQ (SV *sv) 497SvAIO_REQ (SV *sv)
319{ 498{
320 MAGIC *mg; 499 MAGIC *mg;
321 500
384 FREETMPS; 563 FREETMPS;
385 LEAVE; 564 LEAVE;
386 } 565 }
387} 566}
388 567
568ecb_noinline
389static void 569static void
390req_submit (eio_req *req) 570req_submit (eio_req *req)
391{ 571{
392 eio_submit (req); 572 eio_submit (req);
393 573
590 SvSETMAGIC (req->sv2); 770 SvSETMAGIC (req->sv2);
591 PUSHs (sv_result); 771 PUSHs (sv_result);
592 } 772 }
593 break; 773 break;
594 774
775 case EIO_SLURP:
776 {
777 if (req->result >= 0)
778 {
779 /* if length was originally not known, we steal the malloc'ed memory */
780 if (req->flags & EIO_FLAG_PTR2_FREE)
781 {
782 req->flags &= ~EIO_FLAG_PTR2_FREE;
783 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
784 }
785 else
786 {
787 SvCUR_set (req->sv2, req->result);
788 *SvEND (req->sv2) = 0;
789 SvPOK_only (req->sv2);
790 }
791
792 SvSETMAGIC (req->sv2);
793 }
794
795 PUSHs (sv_result);
796 }
797 break;
798
595 case EIO_CUSTOM: 799 case EIO_CUSTOM:
596 if (req->feed == fiemap) 800 if (req->feed == fiemap)
597 { 801 {
598#if HAVE_FIEMAP 802#if HAVE_FIEMAP
599 if (!req->result) 803 if (!req->result)
630 } 834 }
631 else 835 else
632 PUSHs (sv_result); 836 PUSHs (sv_result);
633 break; 837 break;
634 838
839#if 0
840 case EIO_CLOSE:
841 PerlIOUnix_refcnt_dec (req->int1);
842 break;
843#endif
844
635 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 845 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
636 if (req->result > 0) 846 if (req->result > 0)
637 SvIV_set (sv_result, 0); 847 SvIV_set (sv_result, 0);
638 /* FALLTHROUGH */ 848 /* FALLTHROUGH */
639 849
690 grp->sv2 = 0; 900 grp->sv2 = 0;
691 901
692 eio_grp_cancel (grp); 902 eio_grp_cancel (grp);
693} 903}
694 904
695static void ecb_cold 905ecb_cold
906static void
696create_respipe (void) 907create_respipe (void)
697{ 908{
698 if (s_epipe_renew (&respipe)) 909 if (s_epipe_renew (&respipe))
699 croak ("IO::AIO: unable to initialize result pipe"); 910 croak ("IO::AIO: unable to initialize result pipe");
700} 911}
734 945
735 poll_wait (); 946 poll_wait ();
736 } 947 }
737} 948}
738 949
739static void ecb_cold 950ecb_cold
951static void
740reinit (void) 952reinit (void)
741{ 953{
742 create_respipe (); 954 create_respipe ();
743 955
744 if (eio_init (want_poll, done_poll) < 0) 956 if (eio_init (want_poll, done_poll) < 0)
745 croak ("IO::AIO: unable to initialise eio library"); 957 croak ("IO::AIO: unable to initialise eio library");
746} 958}
747 959
748/*****************************************************************************/ 960/*****************************************************************************/
749 961
750#if !_POSIX_MAPPED_FILES
751# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
752# define munmap(addr,length) EIO_ENOSYS ()
753#endif
754
755#if !_POSIX_MEMORY_PROTECTION
756# define mprotect(addr,len,prot) EIO_ENOSYS ()
757#endif
758
759#define MMAP_MAGIC PERL_MAGIC_ext
760
761static int ecb_cold
762mmap_free (pTHX_ SV *sv, MAGIC *mg)
763{
764 int old_errno = errno;
765 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
766 errno = old_errno;
767
768 mg->mg_obj = 0; /* just in case */
769
770 SvREADONLY_off (sv);
771
772 if (SvPVX (sv) != mg->mg_ptr)
773 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
774
775 SvCUR_set (sv, 0);
776 SvPVX (sv) = 0;
777 SvOK_off (sv);
778
779 return 0;
780}
781
782static MGVTBL mmap_vtbl = {
783 0, 0, 0, 0, mmap_free
784};
785
786/*****************************************************************************/
787
788static SV * 962static SV *
789get_cb (SV *cb_sv) 963get_cb (SV *cb_sv)
790{ 964{
791 SvGETMAGIC (cb_sv); 965 SvGETMAGIC (cb_sv);
792 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 966 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
793} 967}
794 968
969ecb_noinline
795static aio_req ecb_noinline 970static aio_req ecb_noinline
796dreq (SV *callback) 971dreq (SV *callback)
797{ 972{
798 SV *cb_cv; 973 SV *cb_cv;
799 aio_req req; 974 aio_req req;
821 SPAGAIN; \ 996 SPAGAIN; \
822 \ 997 \
823 if (GIMME_V != G_VOID) \ 998 if (GIMME_V != G_VOID) \
824 XPUSHs (req_sv (req, aio_req_stash)); 999 XPUSHs (req_sv (req, aio_req_stash));
825 1000
1001/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
826ecb_inline void 1002ecb_inline
1003void
827req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) 1004req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
828{ 1005{
829 if (expect_false (SvROK (path))) 1006 if (expect_false (SvROK (path)))
830 { 1007 {
831 SV *rv = SvRV (path); 1008 SV *rv = SvRV (path);
832 SV *wdob; 1009 SV *wdob;
857 1034
858 *pathsv = newSVsv (path); 1035 *pathsv = newSVsv (path);
859 *ptr = SvPVbyte_nolen (*pathsv); 1036 *ptr = SvPVbyte_nolen (*pathsv);
860} 1037}
861 1038
862static void ecb_noinline 1039ecb_noinline
1040static void
863req_set_path1 (aio_req req, SV *path) 1041req_set_path1 (aio_req req, SV *path)
864{ 1042{
865 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); 1043 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
866} 1044}
867 1045
868static void ecb_noinline 1046ecb_noinline
1047static void
869req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) 1048req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
870{ 1049{
871 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; 1050 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
872 1051
873 switch (SvTYPE (rv)) 1052 switch (SvTYPE (rv))
885 req_set_path1 (req, fh_or_path); 1064 req_set_path1 (req, fh_or_path);
886 break; 1065 break;
887 } 1066 }
888} 1067}
889 1068
1069/*****************************************************************************/
1070
1071static void
1072ts_set (struct timespec *ts, NV value)
1073{
1074 ts->tv_sec = value;
1075 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1076}
1077
1078static NV
1079ts_get (const struct timespec *ts)
1080{
1081 return ts->tv_sec + ts->tv_nsec * 1e-9;
1082}
1083
1084/*****************************************************************************/
1085
890XS(boot_IO__AIO) ecb_cold; 1086XS(boot_IO__AIO) ecb_cold;
891 1087
892MODULE = IO::AIO PACKAGE = IO::AIO 1088MODULE = IO::AIO PACKAGE = IO::AIO
893 1089
894PROTOTYPES: ENABLE 1090PROTOTYPES: ENABLE
923 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) 1119 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
924 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) 1120 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
925 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) 1121 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
926 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) 1122 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
927 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) 1123 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
928 const_niv (MADV_FREE , POSIX_MADV_FREE)
929 1124
930 /* the second block will be 0 when missing */ 1125 /* the second block will be 0 when missing */
1126 const_iv (O_ACCMODE)
1127
931 const_iv (O_RDONLY) 1128 const_iv (O_RDONLY)
932 const_iv (O_WRONLY) 1129 const_iv (O_WRONLY)
933 const_iv (O_RDWR) 1130 const_iv (O_RDWR)
934 const_iv (O_CREAT) 1131 const_iv (O_CREAT)
935 const_iv (O_TRUNC) 1132 const_iv (O_TRUNC)
994 const_iv (MAP_NONBLOCK) 1191 const_iv (MAP_NONBLOCK)
995 const_iv (MAP_GROWSDOWN) 1192 const_iv (MAP_GROWSDOWN)
996 const_iv (MAP_32BIT) 1193 const_iv (MAP_32BIT)
997 const_iv (MAP_HUGETLB) 1194 const_iv (MAP_HUGETLB)
998 const_iv (MAP_STACK) 1195 const_iv (MAP_STACK)
1196
1197 const_iv (MREMAP_MAYMOVE)
1198 const_iv (MREMAP_FIXED)
1199
1200 const_iv (F_DUPFD_CLOEXEC)
1201
1202 const_iv (MSG_CMSG_CLOEXEC)
1203 const_iv (SOCK_CLOEXEC)
1204
1205 const_iv (F_OFD_GETLK)
1206 const_iv (F_OFD_SETLK)
1207 const_iv (F_OFD_GETLKW)
1208
1209 const_iv (FIFREEZE)
1210 const_iv (FITHAW)
1211 const_iv (FITRIM)
1212 const_iv (FICLONE)
1213 const_iv (FICLONERANGE)
1214 const_iv (FIDEDUPERANGE)
1215
1216 const_iv (FS_IOC_GETFLAGS)
1217 const_iv (FS_IOC_SETFLAGS)
1218 const_iv (FS_IOC_GETVERSION)
1219 const_iv (FS_IOC_SETVERSION)
1220 const_iv (FS_IOC_FIEMAP)
1221 const_iv (FS_IOC_FSGETXATTR)
1222 const_iv (FS_IOC_FSSETXATTR)
1223 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1224 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1225 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1226
1227 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1228
1229 const_iv (FS_SECRM_FL)
1230 const_iv (FS_UNRM_FL)
1231 const_iv (FS_COMPR_FL)
1232 const_iv (FS_SYNC_FL)
1233 const_iv (FS_IMMUTABLE_FL)
1234 const_iv (FS_APPEND_FL)
1235 const_iv (FS_NODUMP_FL)
1236 const_iv (FS_NOATIME_FL)
1237 const_iv (FS_DIRTY_FL)
1238 const_iv (FS_COMPRBLK_FL)
1239 const_iv (FS_NOCOMP_FL)
1240 const_iv (FS_ENCRYPT_FL)
1241 const_iv (FS_BTREE_FL)
1242 const_iv (FS_INDEX_FL)
1243 const_iv (FS_JOURNAL_DATA_FL)
1244 const_iv (FS_NOTAIL_FL)
1245 const_iv (FS_DIRSYNC_FL)
1246 const_iv (FS_TOPDIR_FL)
1247 const_iv (FS_FL_USER_MODIFIABLE)
1248
1249 const_iv (FS_XFLAG_REALTIME)
1250 const_iv (FS_XFLAG_PREALLOC)
1251 const_iv (FS_XFLAG_IMMUTABLE)
1252 const_iv (FS_XFLAG_APPEND)
1253 const_iv (FS_XFLAG_SYNC)
1254 const_iv (FS_XFLAG_NOATIME)
1255 const_iv (FS_XFLAG_NODUMP)
1256 const_iv (FS_XFLAG_RTINHERIT)
1257 const_iv (FS_XFLAG_PROJINHERIT)
1258 const_iv (FS_XFLAG_NOSYMLINKS)
1259 const_iv (FS_XFLAG_EXTSIZE)
1260 const_iv (FS_XFLAG_EXTSZINHERIT)
1261 const_iv (FS_XFLAG_NODEFRAG)
1262 const_iv (FS_XFLAG_FILESTREAM)
1263 const_iv (FS_XFLAG_DAX)
1264 const_iv (FS_XFLAG_HASATTR)
999 1265
1000 const_iv (FIEMAP_FLAG_SYNC) 1266 const_iv (FIEMAP_FLAG_SYNC)
1001 const_iv (FIEMAP_FLAG_XATTR) 1267 const_iv (FIEMAP_FLAG_XATTR)
1002 const_iv (FIEMAP_FLAGS_COMPAT) 1268 const_iv (FIEMAP_FLAGS_COMPAT)
1003 const_iv (FIEMAP_EXTENT_LAST) 1269 const_iv (FIEMAP_EXTENT_LAST)
1015 const_iv (SPLICE_F_MOVE) 1281 const_iv (SPLICE_F_MOVE)
1016 const_iv (SPLICE_F_NONBLOCK) 1282 const_iv (SPLICE_F_NONBLOCK)
1017 const_iv (SPLICE_F_MORE) 1283 const_iv (SPLICE_F_MORE)
1018 const_iv (SPLICE_F_GIFT) 1284 const_iv (SPLICE_F_GIFT)
1019 1285
1286 const_iv (EFD_CLOEXEC)
1287 const_iv (EFD_NONBLOCK)
1288 const_iv (EFD_SEMAPHORE)
1289
1290 const_iv (MFD_CLOEXEC)
1291 const_iv (MFD_ALLOW_SEALING)
1292 const_iv (MFD_HUGETLB)
1293
1294 const_iv (CLOCK_REALTIME)
1295 const_iv (CLOCK_MONOTONIC)
1296 const_iv (CLOCK_BOOTTIME)
1297 const_iv (CLOCK_REALTIME_ALARM)
1298 const_iv (CLOCK_BOOTTIME_ALARM)
1299
1300 const_iv (TFD_NONBLOCK)
1301 const_iv (TFD_CLOEXEC)
1302
1303 const_iv (TFD_TIMER_ABSTIME)
1304 const_iv (TFD_TIMER_CANCEL_ON_SET)
1305
1306 const_iv (STATX_TYPE)
1307 const_iv (STATX_MODE)
1308 const_iv (STATX_NLINK)
1309 const_iv (STATX_UID)
1310 const_iv (STATX_GID)
1311 const_iv (STATX_ATIME)
1312 const_iv (STATX_MTIME)
1313 const_iv (STATX_CTIME)
1314 const_iv (STATX_INO)
1315 const_iv (STATX_SIZE)
1316 const_iv (STATX_BLOCKS)
1317 const_iv (STATX_BASIC_STATS)
1318 const_iv (STATX_ALL)
1319 const_iv (STATX_BTIME)
1320 const_iv (STATX_ATTR_COMPRESSED)
1321 const_iv (STATX_ATTR_IMMUTABLE)
1322 const_iv (STATX_ATTR_APPEND)
1323 const_iv (STATX_ATTR_NODUMP)
1324 const_iv (STATX_ATTR_ENCRYPTED)
1325 const_iv (STATX_ATTR_AUTOMOUNT)
1326
1020 /* these are libeio constants, and are independent of gendef0 */ 1327 /* these are libeio constants, and are independent of gendef0 */
1021 const_eio (SEEK_SET) 1328 const_eio (SEEK_SET)
1022 const_eio (SEEK_CUR) 1329 const_eio (SEEK_CUR)
1023 const_eio (SEEK_END) 1330 const_eio (SEEK_END)
1024 1331
1025 const_eio (MCL_FUTURE) 1332 const_eio (MCL_FUTURE)
1026 const_eio (MCL_CURRENT) 1333 const_eio (MCL_CURRENT)
1334 const_eio (MCL_ONFAULT)
1027 1335
1028 const_eio (MS_ASYNC) 1336 const_eio (MS_ASYNC)
1029 const_eio (MS_INVALIDATE) 1337 const_eio (MS_INVALIDATE)
1030 const_eio (MS_SYNC) 1338 const_eio (MS_SYNC)
1031 1339
1037 1345
1038 const_eio (FALLOC_FL_KEEP_SIZE) 1346 const_eio (FALLOC_FL_KEEP_SIZE)
1039 const_eio (FALLOC_FL_PUNCH_HOLE) 1347 const_eio (FALLOC_FL_PUNCH_HOLE)
1040 const_eio (FALLOC_FL_COLLAPSE_RANGE) 1348 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1041 const_eio (FALLOC_FL_ZERO_RANGE) 1349 const_eio (FALLOC_FL_ZERO_RANGE)
1350 const_eio (FALLOC_FL_INSERT_RANGE)
1351 const_eio (FALLOC_FL_UNSHARE_RANGE)
1352
1353 const_eio (RENAME_NOREPLACE)
1354 const_eio (RENAME_EXCHANGE)
1355 const_eio (RENAME_WHITEOUT)
1042 1356
1043 const_eio (READDIR_DENTS) 1357 const_eio (READDIR_DENTS)
1044 const_eio (READDIR_DIRS_FIRST) 1358 const_eio (READDIR_DIRS_FIRST)
1045 const_eio (READDIR_STAT_ORDER) 1359 const_eio (READDIR_STAT_ORDER)
1046 const_eio (READDIR_FOUND_UNKNOWN) 1360 const_eio (READDIR_FOUND_UNKNOWN)
1064 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1378 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1065 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1379 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1066 1380
1067 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1381 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1068 1382
1383 /* allocate dummy pipe fd for aio_close */
1384 {
1385 int pipefd [2];
1386
1387 if (
1388#ifdef _WIN32
1389 _pipe (pipefd, 1, _O_BINARY) < 0
1390#else
1391 pipe (pipefd) < 0
1392 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1393#endif
1394 || close (pipefd [1]) < 0
1395 )
1396 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1397
1398 close_fd = pipefd [0];
1399 }
1400
1069 reinit (); 1401 reinit ();
1070} 1402}
1071 1403
1072void 1404void
1073reinit () 1405reinit ()
1195 1527
1196void 1528void
1197aio_close (SV *fh, SV *callback = &PL_sv_undef) 1529aio_close (SV *fh, SV *callback = &PL_sv_undef)
1198 PPCODE: 1530 PPCODE:
1199{ 1531{
1200 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1201 int fd = s_fileno_croak (fh, 0); 1532 int fd = s_fileno_croak (fh, 0);
1202 dREQ; 1533 dREQ;
1534#if 0
1535 /* partially duplicate logic in s_fileno */
1536 SvGETMAGIC (fh);
1203 1537
1204 if (expect_false (close_fd < 0)) 1538 if (SvROK (fh))
1539 {
1540 fh = SvRV (fh);
1541 SvGETMAGIC (fh);
1542 }
1543
1544 if (SvTYPE (fh) == SVt_PVGV)
1205 { 1545 {
1206 int pipefd [2]; 1546 /* perl filehandle */
1547 PerlIOUnix_refcnt_inc (fd);
1548 do_close ((GV *)fh, 1);
1207 1549
1208 if ( 1550 req->type = EIO_CLOSE;
1209#ifdef _WIN32 1551 req->int1 = fd;
1210 _pipe (pipefd, 1, _O_BINARY) < 0 1552 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1211#else
1212 pipe (pipefd) < 0
1213 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1214#endif
1215 || close (pipefd [1]) < 0
1216 )
1217 abort (); /*D*/
1218
1219 close_fd = pipefd [0];
1220 } 1553 }
1221 1554 else
1555#endif
1556 {
1557 /* fd number */
1222 req->type = EIO_DUP2; 1558 req->type = EIO_DUP2;
1223 req->int1 = close_fd; 1559 req->int1 = close_fd;
1224 req->sv2 = newSVsv (fh); 1560 req->sv2 = newSVsv (fh);
1225 req->int2 = fd; 1561 req->int2 = fd;
1562 }
1226 1563
1227 REQ_SEND; 1564 REQ_SEND;
1228} 1565}
1229 1566
1230void 1567void
1401 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1738 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1402 1739
1403 REQ_SEND; 1740 REQ_SEND;
1404} 1741}
1405 1742
1743void
1744st_xtime ()
1745 ALIAS:
1746 st_atime = 0x01
1747 st_mtime = 0x02
1748 st_ctime = 0x04
1749 st_btime = 0x08
1750 st_xtime = 0x0f
1751 PPCODE:
1752 EXTEND (SP, 4);
1753 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1754 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1755 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1756 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1757
1758void
1759st_xtimensec ()
1760 ALIAS:
1761 st_atimensec = 0x01
1762 st_mtimensec = 0x02
1763 st_ctimensec = 0x04
1764 st_btimensec = 0x08
1765 st_xtimensec = 0x0f
1766 st_btimesec = 0x10
1767 st_gen = 0x20
1768 PPCODE:
1769 EXTEND (SP, 4);
1770 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1771 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1772 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1773 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1774 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1775 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1776
1406UV 1777UV
1407major (UV dev) 1778major (UV dev)
1408 ALIAS: 1779 ALIAS:
1409 minor = 1 1780 minor = 1
1410 CODE: 1781 CODE:
1526 eio_wd wd2 = 0; 1897 eio_wd wd2 = 0;
1527 dREQ; 1898 dREQ;
1528 1899
1529 req->type = ix; 1900 req->type = ix;
1530 req_set_path1 (req, oldpath); 1901 req_set_path1 (req, oldpath);
1531 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1902 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1903 req->int3 = (long)wd2;
1904
1905 REQ_SEND;
1906}
1907
1908void
1909aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1910 PPCODE:
1911{
1912 eio_wd wd2 = 0;
1913 dREQ;
1914
1915 req->type = EIO_RENAME;
1916 req_set_path1 (req, oldpath);
1917 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1918 req->int2 = flags;
1532 req->int3 = (long)wd2; 1919 req->int3 = (long)wd2;
1533 1920
1534 REQ_SEND; 1921 REQ_SEND;
1535} 1922}
1536 1923
1547 1934
1548 REQ_SEND; 1935 REQ_SEND;
1549} 1936}
1550 1937
1551void 1938void
1552aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef) 1939aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1553 ALIAS: 1940 ALIAS:
1554 aio_mtouch = EIO_MTOUCH 1941 aio_mtouch = EIO_MTOUCH
1555 aio_msync = EIO_MSYNC 1942 aio_msync = EIO_MSYNC
1556 PPCODE: 1943 PPCODE:
1557{ 1944{
1558 STRLEN svlen; 1945 STRLEN svlen;
1559 char *svptr = SvPVbyte (data, svlen); 1946 char *svptr = SvPVbyte (data, svlen);
1560 UV len = SvUV (length); 1947 UV len = SvUV (length);
1948
1949 if (flags < 0)
1950 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1561 1951
1562 if (offset < 0) 1952 if (offset < 0)
1563 offset += svlen; 1953 offset += svlen;
1564 1954
1565 if (offset < 0 || offset > svlen) 1955 if (offset < 0 || offset > svlen)
1641 req->int2 = flags; 2031 req->int2 = flags;
1642 req->int3 = SvOK (count) ? SvIV (count) : -1; 2032 req->int3 = SvOK (count) ? SvIV (count) : -1;
1643#endif 2033#endif
1644 2034
1645 REQ_SEND; 2035 REQ_SEND;
2036}
2037
2038void
2039aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2040 PPCODE:
2041{
2042 char *svptr = 0;
2043
2044 sv_clear_foreign (data);
2045
2046 if (length) /* known length, directly read into scalar */
2047 {
2048 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2049 svptr = sv_grow (data, length + 1);
2050 else if (SvCUR (data) < length)
2051 croak ("length outside of scalar, and cannot grow");
2052 else
2053 svptr = SvPVbyte_nolen (data);
2054 }
2055
2056 {
2057 dREQ;
2058
2059 req->type = EIO_SLURP;
2060 req_set_path1 (req, pathname);
2061 req->offs = offset;
2062 req->size = length;
2063 req->sv2 = SvREFCNT_inc (data);
2064 req->ptr2 = svptr;
2065
2066 if (!SvREADONLY (data))
2067 {
2068 SvREADONLY_on (data);
2069 req->flags |= FLAG_SV2_RO_OFF;
2070 }
2071
2072 REQ_SEND;
2073 }
1646} 2074}
1647 2075
1648void 2076void
1649aio_busy (double delay, SV *callback = &PL_sv_undef) 2077aio_busy (double delay, SV *callback = &PL_sv_undef)
1650 PPCODE: 2078 PPCODE:
1787 RETVAL 2215 RETVAL
1788 2216
1789void 2217void
1790mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) 2218mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1791 PPCODE: 2219 PPCODE:
1792 sv_unmagic (scalar, MMAP_MAGIC); 2220 sv_clear_foreign (scalar);
1793{ 2221{
1794 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2222 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1795 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2223 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1796 if (addr == (void *)-1) 2224 if (addr == (void *)-1)
1797 XSRETURN_NO; 2225 XSRETURN_NO;
1798 2226
1799 sv_force_normal (scalar); 2227 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1800
1801 /* we store the length in mg_obj, as namlen is I32 :/ */
1802 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1803 ->mg_obj = (SV *)length;
1804
1805 SvUPGRADE (scalar, SVt_PV); /* nop... */
1806 2228
1807 if (!(prot & PROT_WRITE)) 2229 if (!(prot & PROT_WRITE))
1808 SvREADONLY_on (scalar); 2230 SvREADONLY_on (scalar);
1809 2231
1810 if (SvLEN (scalar))
1811 Safefree (SvPVX (scalar));
1812
1813 SvPVX (scalar) = (char *)addr;
1814 SvCUR_set (scalar, length);
1815 SvLEN_set (scalar, 0);
1816 SvPOK_only (scalar);
1817
1818 XSRETURN_YES; 2232 XSRETURN_YES;
1819} 2233}
1820 2234
1821void 2235void
1822munmap (SV *scalar) 2236munmap (SV *scalar)
1823 CODE: 2237 CODE:
1824 sv_unmagic (scalar, MMAP_MAGIC); 2238 sv_clear_foreign (scalar);
2239
2240SV *
2241mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2242 CODE:
2243{
2244 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2245 void *new;
2246
2247 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2248 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2249
2250 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2251
2252 RETVAL = &PL_sv_no;
2253
2254 if (new != (void *)-1)
2255 {
2256 RETVAL = new == (void *)mg->mg_ptr
2257 ? newSVpvn ("0 but true", 10)
2258 : &PL_sv_yes;
2259
2260 mg->mg_ptr = (char *)new;
2261 mg->mg_obj = (SV *)new_length;
2262
2263 SvPVX (scalar) = mg->mg_ptr;
2264 SvCUR_set (scalar, new_length);
2265 }
2266}
2267 OUTPUT:
2268 RETVAL
1825 2269
1826int 2270int
1827madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2271madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1828 ALIAS: 2272 ALIAS:
1829 mprotect = 1 2273 mprotect = 1
1830 CODE: 2274 CODE:
1831{ 2275{
1832 STRLEN svlen; 2276 STRLEN svlen;
1853} 2297}
1854 OUTPUT: 2298 OUTPUT:
1855 RETVAL 2299 RETVAL
1856 2300
1857int 2301int
1858munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) 2302munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1859 CODE: 2303 CODE:
1860{ 2304{
1861 STRLEN svlen; 2305 STRLEN svlen;
1862 void *addr = SvPVbyte (scalar, svlen); 2306 void *addr = SvPVbyte (scalar, svlen);
1863 size_t len = SvUV (length); 2307 size_t len = SvUV (length);
1878#else 2322#else
1879 RETVAL = EIO_ENOSYS (); 2323 RETVAL = EIO_ENOSYS ();
1880#endif 2324#endif
1881} 2325}
1882 OUTPUT: 2326 OUTPUT:
2327 RETVAL
2328
2329int
2330mlockall (int flags)
2331 PROTOTYPE: $;
2332 CODE:
2333 RETVAL = eio_mlockall_sync (flags);
2334 OUTPUT:
1883 RETVAL 2335 RETVAL
1884 2336
1885int 2337int
1886munlockall () 2338munlockall ()
1887 CODE: 2339 CODE:
1889 munlockall (); 2341 munlockall ();
1890#else 2342#else
1891 RETVAL = EIO_ENOSYS (); 2343 RETVAL = EIO_ENOSYS ();
1892#endif 2344#endif
1893 OUTPUT: 2345 OUTPUT:
2346 RETVAL
2347
2348int
2349statx (SV8 *pathname, int flags, UV mask)
2350 CODE:
2351{
2352 /* undocumented, and might go away, and anyway, should use eio_statx */
2353 SV *wdsv = 0;
2354 SV *pathsv = 0;
2355 eio_wd wd = EIO_CWD;
2356 void *ptr;
2357 int res;
2358
2359 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2360 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2361
2362 SvREFCNT_dec (pathsv);
2363 SvREFCNT_dec (wdsv);
2364}
2365 OUTPUT:
2366 RETVAL
2367
2368U32
2369stx_mode ()
2370 PROTOTYPE:
2371 CODE:
2372#if HAVE_STATX
2373 RETVAL = stx.stx_mode;
2374#else
2375 XSRETURN_UNDEF;
2376#endif
2377 OUTPUT:
2378 RETVAL
2379
2380#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2381#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2382#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2383#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2384#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2385#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2386#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2387#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2388#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2389#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2390#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2391#define STATX_OFFSET_size statx_offsetof (stx_size)
2392#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2393#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2394#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2395#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2396#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2397#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2398
2399U32
2400stx_mask ()
2401 PROTOTYPE:
2402 ALIAS:
2403 stx_mask = STATX_OFFSET_mask
2404 stx_blksize = STATX_OFFSET_blksize
2405 stx_nlink = STATX_OFFSET_nlink
2406 stx_uid = STATX_OFFSET_uid
2407 stx_gid = STATX_OFFSET_gid
2408 stx_rdev_major = STATX_OFFSET_rdev_major
2409 stx_rdev_minor = STATX_OFFSET_rdev_minor
2410 stx_dev_major = STATX_OFFSET_dev_major
2411 stx_dev_minor = STATX_OFFSET_dev_minor
2412 CODE:
2413#if HAVE_STATX
2414 RETVAL = *(__u32 *)((char *)&stx + ix);
2415#else
2416 XSRETURN_UNDEF;
2417#endif
2418 OUTPUT:
2419 RETVAL
2420
2421VAL64
2422stx_attributes ()
2423 PROTOTYPE:
2424 ALIAS:
2425 stx_attributes = STATX_OFFSET_attributes
2426 stx_ino = STATX_OFFSET_ino
2427 stx_size = STATX_OFFSET_size
2428 stx_blocks = STATX_OFFSET_blocks
2429 stx_attributes_mask = STATX_OFFSET_attributes_mask
2430 CODE:
2431#if HAVE_STATX
2432 RETVAL = *(__u64 *)((char *)&stx + ix);
2433#else
2434 XSRETURN_UNDEF;
2435#endif
2436 OUTPUT:
2437 RETVAL
2438
2439NV
2440stx_atime ()
2441 PROTOTYPE:
2442 ALIAS:
2443 stx_atime = STATX_OFFSET_atime
2444 stx_btime = STATX_OFFSET_btime
2445 stx_ctime = STATX_OFFSET_ctime
2446 stx_mtime = STATX_OFFSET_mtime
2447 CODE:
2448#if HAVE_STATX
2449 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2450 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2451#else
2452 XSRETURN_UNDEF;
2453#endif
2454 OUTPUT:
2455 RETVAL
2456
2457VAL64
2458stx_atimesec ()
2459 PROTOTYPE:
2460 ALIAS:
2461 stx_atimesec = STATX_OFFSET_atime
2462 stx_btimesec = STATX_OFFSET_btime
2463 stx_ctimesec = STATX_OFFSET_ctime
2464 stx_mtimesec = STATX_OFFSET_mtime
2465 CODE:
2466#if HAVE_STATX
2467 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2468 RETVAL = ts->tv_sec;
2469#else
2470 XSRETURN_UNDEF;
2471#endif
2472 OUTPUT:
2473 RETVAL
2474
2475U32
2476stx_atimensec ()
2477 PROTOTYPE:
2478 ALIAS:
2479 stx_atimensec = STATX_OFFSET_atime
2480 stx_btimensec = STATX_OFFSET_btime
2481 stx_ctimensec = STATX_OFFSET_ctime
2482 stx_mtimensec = STATX_OFFSET_mtime
2483 CODE:
2484#if HAVE_STATX
2485 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2486 RETVAL = ts->tv_nsec;
2487#else
2488 RETVAL = 0;
2489#endif
2490 OUTPUT:
1894 RETVAL 2491 RETVAL
1895 2492
1896int 2493int
1897splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) 2494splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1898 CODE: 2495 CODE:
1959 { 2556 {
1960 EXTEND (SP, 2); 2557 EXTEND (SP, 2);
1961 PUSHs (newmortalFH (fd[0], O_RDONLY)); 2558 PUSHs (newmortalFH (fd[0], O_RDONLY));
1962 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2559 PUSHs (newmortalFH (fd[1], O_WRONLY));
1963 } 2560 }
2561}
2562
2563void
2564eventfd (unsigned int initval = 0, int flags = 0)
2565 PPCODE:
2566{
2567 int fd;
2568#if HAVE_EVENTFD
2569 fd = eventfd (initval, flags);
2570#else
2571 fd = (errno = ENOSYS, -1);
2572#endif
2573
2574 XPUSHs (newmortalFH (fd, O_RDWR));
2575}
2576
2577void
2578timerfd_create (int clockid, int flags = 0)
2579 PPCODE:
2580{
2581 int fd;
2582#if HAVE_TIMERFD
2583 fd = timerfd_create (clockid, flags);
2584#else
2585 fd = (errno = ENOSYS, -1);
2586#endif
2587
2588 XPUSHs (newmortalFH (fd, O_RDWR));
2589}
2590
2591void
2592timerfd_settime (SV *fh, int flags, NV interval, NV value)
2593 PPCODE:
2594{
2595 int fd = s_fileno_croak (fh, 0);
2596#if HAVE_TIMERFD
2597 int res;
2598 struct itimerspec its, ots;
2599
2600 ts_set (&its.it_interval, interval);
2601 ts_set (&its.it_value , value);
2602 res = timerfd_settime (fd, flags, &its, &ots);
2603
2604 if (!res)
2605 {
2606 EXTEND (SP, 2);
2607 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2608 PUSHs (newSVnv (ts_get (&ots.it_value)));
2609 }
2610#else
2611 errno = ENOSYS;
2612#endif
2613}
2614
2615void
2616timerfd_gettime (SV *fh)
2617 PPCODE:
2618{
2619 int fd = s_fileno_croak (fh, 0);
2620#if HAVE_TIMERFD
2621 int res;
2622 struct itimerspec ots;
2623 res = timerfd_gettime (fd, &ots);
2624
2625 if (!res)
2626 {
2627 EXTEND (SP, 2);
2628 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2629 PUSHs (newSVnv (ts_get (&ots.it_value)));
2630 }
2631#else
2632 errno = ENOSYS;
2633#endif
2634}
2635
2636void
2637memfd_create (SV8 *pathname, int flags = 0)
2638 PPCODE:
2639{
2640 int fd;
2641#if HAVE_MEMFD_CREATE
2642 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2643#else
2644 fd = (errno = ENOSYS, -1);
2645#endif
2646
2647 XPUSHs (newmortalFH (fd, O_RDWR));
2648}
2649
2650UV
2651get_fdlimit ()
2652 CODE:
2653#if HAVE_RLIMITS
2654 struct rlimit rl;
2655 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2656 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2657#endif
2658 XSRETURN_UNDEF;
2659 OUTPUT:
2660 RETVAL
2661
2662void
2663min_fdlimit (UV limit = 0x7fffffffU)
2664 CODE:
2665{
2666#if HAVE_RLIMITS
2667 struct rlimit rl;
2668 rlim_t orig_rlim_max;
2669 UV bit;
2670
2671 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2672 goto fail;
2673
2674 if (rl.rlim_cur == RLIM_INFINITY)
2675 XSRETURN_YES;
2676
2677 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2678
2679 if (rl.rlim_cur < limit)
2680 {
2681 rl.rlim_cur = limit;
2682
2683 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2684 rl.rlim_max = rl.rlim_cur;
2685 }
2686
2687 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2688 XSRETURN_YES;
2689
2690 if (errno == EPERM)
2691 {
2692 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2693 /* our limit overflows a system-wide limit */
2694 /* try an adaptive algorithm, but do not lower the hardlimit */
2695 rl.rlim_max = 0;
2696 for (bit = 0x40000000U; bit; bit >>= 1)
2697 {
2698 rl.rlim_max |= bit;
2699 rl.rlim_cur = rl.rlim_max;
2700
2701 /* nevr decrease the hard limit */
2702 if (rl.rlim_max < orig_rlim_max)
2703 break;
2704
2705 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2706 rl.rlim_max &= ~bit; /* too high, remove bit again */
2707 }
2708
2709 /* now, raise the soft limit to the max permitted */
2710 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2711 {
2712 rl.rlim_cur = rl.rlim_max;
2713 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2714 errno = EPERM;
2715 }
2716 }
2717#endif
2718 fail:
2719 XSRETURN_UNDEF;
1964} 2720}
1965 2721
1966void _on_next_submit (SV *cb) 2722void _on_next_submit (SV *cb)
1967 CODE: 2723 CODE:
1968 SvREFCNT_dec (on_next_submit); 2724 SvREFCNT_dec (on_next_submit);

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