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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.240 by root, Tue Feb 23 19:42:59 2016 UTC vs.
Revision 1.274 by root, Sun Mar 10 12:16:48 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 */
298static void
299sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
300{
301 sv_force_normal (sv);
302
303 /* we store the length in mg_obj, as namlen is I32 :/ */
304 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
305 ->mg_obj = (SV *)length;
306
307 SvUPGRADE (sv, SVt_PV); /* nop... */
308
309 if (SvLEN (sv))
310 Safefree (SvPVX (sv));
311
312 SvPVX (sv) = (char *)addr;
313 SvCUR_set (sv, length);
314 SvLEN_set (sv, 0);
315 SvPOK_only (sv);
316}
317
318static void
319sv_clear_foreign (SV *sv)
320{
321 /* todo: iterate over magic and only free ours, but of course */
322 /* the perl5porters will call that (correct) behaviour buggy */
323 sv_unmagic (sv, FOREIGN_MAGIC);
324}
325
326/*****************************************************************************/
327
149/* defines all sorts of constants to 0 unless they are already defined */ 328/* defines all sorts of constants to 0 unless they are already defined */
150/* also provides const_iv_ and const_niv_ macros for them */ 329/* also provides const_iv_ and const_niv_ macros for them */
151#include "def0.h" 330#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
166 331
167/*****************************************************************************/ 332/*****************************************************************************/
168 333
169static void 334static void
170fiemap (eio_req *req) 335fiemap (eio_req *req)
… …
261 errno = ENOSYS; 426 errno = ENOSYS;
262#endif 427#endif
263} 428}
264 429
265/*****************************************************************************/ 430/*****************************************************************************/
431
432static int close_fd; /* dummy fd to close fds via dup2 */
266 433
267enum { 434enum {
268 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 435 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
269}; 436};
270 437
… …
590 SvSETMAGIC (req->sv2); 757 SvSETMAGIC (req->sv2);
591 PUSHs (sv_result); 758 PUSHs (sv_result);
592 } 759 }
593 break; 760 break;
594 761
762 case EIO_SLURP:
763 {
764 if (req->result >= 0)
765 {
766 /* if length was originally not known, we steal the malloc'ed memory */
767 if (req->flags & EIO_FLAG_PTR2_FREE)
768 {
769 req->flags &= ~EIO_FLAG_PTR2_FREE;
770 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
771 }
772 else
773 {
774 SvCUR_set (req->sv2, req->result);
775 *SvEND (req->sv2) = 0;
776 SvPOK_only (req->sv2);
777 }
778
779 SvSETMAGIC (req->sv2);
780 }
781
782 PUSHs (sv_result);
783 }
784 break;
785
595 case EIO_CUSTOM: 786 case EIO_CUSTOM:
596 if (req->feed == fiemap) 787 if (req->feed == fiemap)
597 { 788 {
598#if HAVE_FIEMAP 789#if HAVE_FIEMAP
599 if (!req->result) 790 if (!req->result)
… …
630 } 821 }
631 else 822 else
632 PUSHs (sv_result); 823 PUSHs (sv_result);
633 break; 824 break;
634 825
826#if 0
827 case EIO_CLOSE:
828 PerlIOUnix_refcnt_dec (req->int1);
829 break;
830#endif
831
635 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 832 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
636 if (req->result > 0) 833 if (req->result > 0)
637 SvIV_set (sv_result, 0); 834 SvIV_set (sv_result, 0);
638 /* FALLTHROUGH */ 835 /* FALLTHROUGH */
639 836
… …
742 create_respipe (); 939 create_respipe ();
743 940
744 if (eio_init (want_poll, done_poll) < 0) 941 if (eio_init (want_poll, done_poll) < 0)
745 croak ("IO::AIO: unable to initialise eio library"); 942 croak ("IO::AIO: unable to initialise eio library");
746} 943}
747
748/*****************************************************************************/
749
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};
785 944
786/*****************************************************************************/ 945/*****************************************************************************/
787 946
788static SV * 947static SV *
789get_cb (SV *cb_sv) 948get_cb (SV *cb_sv)
… …
885 req_set_path1 (req, fh_or_path); 1044 req_set_path1 (req, fh_or_path);
886 break; 1045 break;
887 } 1046 }
888} 1047}
889 1048
1049/*****************************************************************************/
1050
1051static void
1052ts_set (struct timespec *ts, NV value)
1053{
1054 ts->tv_sec = value;
1055 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1056}
1057
1058static NV
1059ts_get (const struct timespec *ts)
1060{
1061 return ts->tv_sec + ts->tv_nsec * 1e-9;
1062}
1063
1064/*****************************************************************************/
1065
890XS(boot_IO__AIO) ecb_cold; 1066XS(boot_IO__AIO) ecb_cold;
891 1067
892MODULE = IO::AIO PACKAGE = IO::AIO 1068MODULE = IO::AIO PACKAGE = IO::AIO
893 1069
894PROTOTYPES: ENABLE 1070PROTOTYPES: ENABLE
… …
925 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) 1101 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
926 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) 1102 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
927 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) 1103 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
928 1104
929 /* the second block will be 0 when missing */ 1105 /* the second block will be 0 when missing */
1106 const_iv (O_ACCMODE)
1107
930 const_iv (O_RDONLY) 1108 const_iv (O_RDONLY)
931 const_iv (O_WRONLY) 1109 const_iv (O_WRONLY)
932 const_iv (O_RDWR) 1110 const_iv (O_RDWR)
933 const_iv (O_CREAT) 1111 const_iv (O_CREAT)
934 const_iv (O_TRUNC) 1112 const_iv (O_TRUNC)
… …
993 const_iv (MAP_NONBLOCK) 1171 const_iv (MAP_NONBLOCK)
994 const_iv (MAP_GROWSDOWN) 1172 const_iv (MAP_GROWSDOWN)
995 const_iv (MAP_32BIT) 1173 const_iv (MAP_32BIT)
996 const_iv (MAP_HUGETLB) 1174 const_iv (MAP_HUGETLB)
997 const_iv (MAP_STACK) 1175 const_iv (MAP_STACK)
1176
1177 const_iv (MREMAP_MAYMOVE)
1178 const_iv (MREMAP_FIXED)
1179
1180 const_iv (F_DUPFD_CLOEXEC)
1181
1182 const_iv (MSG_CMSG_CLOEXEC)
1183 const_iv (SOCK_CLOEXEC)
1184
1185 const_iv (F_OFD_GETLK)
1186 const_iv (F_OFD_SETLK)
1187 const_iv (F_OFD_GETLKW)
1188
1189 const_iv (FIFREEZE)
1190 const_iv (FITHAW)
1191 const_iv (FITRIM)
1192 const_iv (FICLONE)
1193 const_iv (FICLONERANGE)
1194 const_iv (FIDEDUPERANGE)
1195
1196 const_iv (FS_IOC_GETFLAGS)
1197 const_iv (FS_IOC_SETFLAGS)
1198 const_iv (FS_IOC_GETVERSION)
1199 const_iv (FS_IOC_SETVERSION)
1200 const_iv (FS_IOC_FIEMAP)
1201 const_iv (FS_IOC_FSGETXATTR)
1202 const_iv (FS_IOC_FSSETXATTR)
1203 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1204 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1205 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1206
1207 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1208
1209 const_iv (FS_SECRM_FL)
1210 const_iv (FS_UNRM_FL)
1211 const_iv (FS_COMPR_FL)
1212 const_iv (FS_SYNC_FL)
1213 const_iv (FS_IMMUTABLE_FL)
1214 const_iv (FS_APPEND_FL)
1215 const_iv (FS_NODUMP_FL)
1216 const_iv (FS_NOATIME_FL)
1217 const_iv (FS_DIRTY_FL)
1218 const_iv (FS_COMPRBLK_FL)
1219 const_iv (FS_NOCOMP_FL)
1220 const_iv (FS_ENCRYPT_FL)
1221 const_iv (FS_BTREE_FL)
1222 const_iv (FS_INDEX_FL)
1223 const_iv (FS_JOURNAL_DATA_FL)
1224 const_iv (FS_NOTAIL_FL)
1225 const_iv (FS_DIRSYNC_FL)
1226 const_iv (FS_TOPDIR_FL)
1227 const_iv (FS_FL_USER_MODIFIABLE)
1228
1229 const_iv (FS_XFLAG_REALTIME)
1230 const_iv (FS_XFLAG_PREALLOC)
1231 const_iv (FS_XFLAG_IMMUTABLE)
1232 const_iv (FS_XFLAG_APPEND)
1233 const_iv (FS_XFLAG_SYNC)
1234 const_iv (FS_XFLAG_NOATIME)
1235 const_iv (FS_XFLAG_NODUMP)
1236 const_iv (FS_XFLAG_RTINHERIT)
1237 const_iv (FS_XFLAG_PROJINHERIT)
1238 const_iv (FS_XFLAG_NOSYMLINKS)
1239 const_iv (FS_XFLAG_EXTSIZE)
1240 const_iv (FS_XFLAG_EXTSZINHERIT)
1241 const_iv (FS_XFLAG_NODEFRAG)
1242 const_iv (FS_XFLAG_FILESTREAM)
1243 const_iv (FS_XFLAG_DAX)
1244 const_iv (FS_XFLAG_HASATTR)
998 1245
999 const_iv (FIEMAP_FLAG_SYNC) 1246 const_iv (FIEMAP_FLAG_SYNC)
1000 const_iv (FIEMAP_FLAG_XATTR) 1247 const_iv (FIEMAP_FLAG_XATTR)
1001 const_iv (FIEMAP_FLAGS_COMPAT) 1248 const_iv (FIEMAP_FLAGS_COMPAT)
1002 const_iv (FIEMAP_EXTENT_LAST) 1249 const_iv (FIEMAP_EXTENT_LAST)
… …
1014 const_iv (SPLICE_F_MOVE) 1261 const_iv (SPLICE_F_MOVE)
1015 const_iv (SPLICE_F_NONBLOCK) 1262 const_iv (SPLICE_F_NONBLOCK)
1016 const_iv (SPLICE_F_MORE) 1263 const_iv (SPLICE_F_MORE)
1017 const_iv (SPLICE_F_GIFT) 1264 const_iv (SPLICE_F_GIFT)
1018 1265
1266 const_iv (EFD_CLOEXEC)
1267 const_iv (EFD_NONBLOCK)
1268 const_iv (EFD_SEMAPHORE)
1269
1270 const_iv (CLOCK_REALTIME)
1271 const_iv (CLOCK_MONOTONIC)
1272 const_iv (CLOCK_BOOTTIME)
1273 const_iv (CLOCK_REALTIME_ALARM)
1274 const_iv (CLOCK_BOOTTIME_ALARM)
1275
1276 const_iv (TFD_NONBLOCK)
1277 const_iv (TFD_CLOEXEC)
1278
1279 const_iv (TFD_TIMER_ABSTIME)
1280 const_iv (TFD_TIMER_CANCEL_ON_SET)
1281
1019 /* these are libeio constants, and are independent of gendef0 */ 1282 /* these are libeio constants, and are independent of gendef0 */
1020 const_eio (SEEK_SET) 1283 const_eio (SEEK_SET)
1021 const_eio (SEEK_CUR) 1284 const_eio (SEEK_CUR)
1022 const_eio (SEEK_END) 1285 const_eio (SEEK_END)
1023 1286
1024 const_eio (MCL_FUTURE) 1287 const_eio (MCL_FUTURE)
1025 const_eio (MCL_CURRENT) 1288 const_eio (MCL_CURRENT)
1289 const_eio (MCL_ONFAULT)
1026 1290
1027 const_eio (MS_ASYNC) 1291 const_eio (MS_ASYNC)
1028 const_eio (MS_INVALIDATE) 1292 const_eio (MS_INVALIDATE)
1029 const_eio (MS_SYNC) 1293 const_eio (MS_SYNC)
1030 1294
… …
1036 1300
1037 const_eio (FALLOC_FL_KEEP_SIZE) 1301 const_eio (FALLOC_FL_KEEP_SIZE)
1038 const_eio (FALLOC_FL_PUNCH_HOLE) 1302 const_eio (FALLOC_FL_PUNCH_HOLE)
1039 const_eio (FALLOC_FL_COLLAPSE_RANGE) 1303 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1040 const_eio (FALLOC_FL_ZERO_RANGE) 1304 const_eio (FALLOC_FL_ZERO_RANGE)
1305 const_eio (FALLOC_FL_INSERT_RANGE)
1306 const_eio (FALLOC_FL_UNSHARE_RANGE)
1307
1308 const_eio (RENAME_NOREPLACE)
1309 const_eio (RENAME_EXCHANGE)
1310 const_eio (RENAME_WHITEOUT)
1041 1311
1042 const_eio (READDIR_DENTS) 1312 const_eio (READDIR_DENTS)
1043 const_eio (READDIR_DIRS_FIRST) 1313 const_eio (READDIR_DIRS_FIRST)
1044 const_eio (READDIR_STAT_ORDER) 1314 const_eio (READDIR_STAT_ORDER)
1045 const_eio (READDIR_FOUND_UNKNOWN) 1315 const_eio (READDIR_FOUND_UNKNOWN)
… …
1063 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1333 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1064 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1334 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1065 1335
1066 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1336 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1067 1337
1338 /* allocate dummy pipe fd for aio_close */
1339 {
1340 int pipefd [2];
1341
1342 if (
1343#ifdef _WIN32
1344 _pipe (pipefd, 1, _O_BINARY) < 0
1345#else
1346 pipe (pipefd) < 0
1347 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1348#endif
1349 || close (pipefd [1]) < 0
1350 )
1351 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1352
1353 close_fd = pipefd [0];
1354 }
1355
1068 reinit (); 1356 reinit ();
1069} 1357}
1070 1358
1071void 1359void
1072reinit () 1360reinit ()
… …
1194 1482
1195void 1483void
1196aio_close (SV *fh, SV *callback = &PL_sv_undef) 1484aio_close (SV *fh, SV *callback = &PL_sv_undef)
1197 PPCODE: 1485 PPCODE:
1198{ 1486{
1199 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1200 int fd = s_fileno_croak (fh, 0); 1487 int fd = s_fileno_croak (fh, 0);
1201 dREQ; 1488 dREQ;
1489#if 0
1490 /* partially duplicate logic in s_fileno */
1491 SvGETMAGIC (fh);
1202 1492
1203 if (expect_false (close_fd < 0)) 1493 if (SvROK (fh))
1494 {
1495 fh = SvRV (fh);
1496 SvGETMAGIC (fh);
1497 }
1498
1499 if (SvTYPE (fh) == SVt_PVGV)
1204 { 1500 {
1205 int pipefd [2]; 1501 /* perl filehandle */
1502 PerlIOUnix_refcnt_inc (fd);
1503 do_close ((GV *)fh, 1);
1206 1504
1207 if ( 1505 req->type = EIO_CLOSE;
1208#ifdef _WIN32 1506 req->int1 = fd;
1209 _pipe (pipefd, 1, _O_BINARY) < 0 1507 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1210#else
1211 pipe (pipefd) < 0
1212 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1213#endif
1214 || close (pipefd [1]) < 0
1215 )
1216 abort (); /*D*/
1217
1218 close_fd = pipefd [0];
1219 } 1508 }
1220 1509 else
1510#endif
1511 {
1512 /* fd number */
1221 req->type = EIO_DUP2; 1513 req->type = EIO_DUP2;
1222 req->int1 = close_fd; 1514 req->int1 = close_fd;
1223 req->sv2 = newSVsv (fh); 1515 req->sv2 = newSVsv (fh);
1224 req->int2 = fd; 1516 req->int2 = fd;
1517 }
1225 1518
1226 REQ_SEND; 1519 REQ_SEND;
1227} 1520}
1228 1521
1229void 1522void
… …
1400 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1693 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1401 1694
1402 REQ_SEND; 1695 REQ_SEND;
1403} 1696}
1404 1697
1698void
1699st_xtime ()
1700 ALIAS:
1701 st_atime = 0x01
1702 st_mtime = 0x02
1703 st_ctime = 0x04
1704 st_btime = 0x08
1705 st_xtime = 0x0f
1706 PPCODE:
1707 EXTEND (SP, 4);
1708 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1709 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1710 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1711 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1712
1713void
1714st_xtimensec ()
1715 ALIAS:
1716 st_atimensec = 0x01
1717 st_mtimensec = 0x02
1718 st_ctimensec = 0x04
1719 st_btimensec = 0x08
1720 st_xtimensec = 0x0f
1721 st_btimesec = 0x10
1722 st_gen = 0x20
1723 PPCODE:
1724 EXTEND (SP, 4);
1725 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1726 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1727 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1728 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1729 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1730 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1731
1405UV 1732UV
1406major (UV dev) 1733major (UV dev)
1407 ALIAS: 1734 ALIAS:
1408 minor = 1 1735 minor = 1
1409 CODE: 1736 CODE:
1410 RETVAL = ix ? major (dev) : minor (dev); 1737 RETVAL = ix ? minor (dev) : major (dev);
1411 OUTPUT: 1738 OUTPUT:
1412 RETVAL 1739 RETVAL
1413 1740
1414UV 1741UV
1415makedev (UV maj, UV min) 1742makedev (UV maj, UV min)
… …
1532 1859
1533 REQ_SEND; 1860 REQ_SEND;
1534} 1861}
1535 1862
1536void 1863void
1864aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1865 PPCODE:
1866{
1867 eio_wd wd2 = 0;
1868 dREQ;
1869
1870 req->type = EIO_RENAME;
1871 req_set_path1 (req, oldpath);
1872 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1873 req->int2 = flags;
1874 req->int3 = (long)wd2;
1875
1876 REQ_SEND;
1877}
1878
1879void
1537aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) 1880aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1538 PPCODE: 1881 PPCODE:
1539{ 1882{
1540 dREQ; 1883 dREQ;
1541 1884
… …
1546 1889
1547 REQ_SEND; 1890 REQ_SEND;
1548} 1891}
1549 1892
1550void 1893void
1551aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef) 1894aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1552 ALIAS: 1895 ALIAS:
1553 aio_mtouch = EIO_MTOUCH 1896 aio_mtouch = EIO_MTOUCH
1554 aio_msync = EIO_MSYNC 1897 aio_msync = EIO_MSYNC
1555 PPCODE: 1898 PPCODE:
1556{ 1899{
1557 STRLEN svlen; 1900 STRLEN svlen;
1558 char *svptr = SvPVbyte (data, svlen); 1901 char *svptr = SvPVbyte (data, svlen);
1559 UV len = SvUV (length); 1902 UV len = SvUV (length);
1903
1904 if (flags < 0)
1905 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1560 1906
1561 if (offset < 0) 1907 if (offset < 0)
1562 offset += svlen; 1908 offset += svlen;
1563 1909
1564 if (offset < 0 || offset > svlen) 1910 if (offset < 0 || offset > svlen)
… …
1640 req->int2 = flags; 1986 req->int2 = flags;
1641 req->int3 = SvOK (count) ? SvIV (count) : -1; 1987 req->int3 = SvOK (count) ? SvIV (count) : -1;
1642#endif 1988#endif
1643 1989
1644 REQ_SEND; 1990 REQ_SEND;
1991}
1992
1993void
1994aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1995 PPCODE:
1996{
1997 char *svptr = 0;
1998
1999 sv_clear_foreign (data);
2000
2001 if (length) /* known length, directly read into scalar */
2002 {
2003 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2004 svptr = sv_grow (data, length + 1);
2005 else if (SvCUR (data) < length)
2006 croak ("length outside of scalar, and cannot grow");
2007 else
2008 svptr = SvPVbyte_nolen (data);
2009 }
2010
2011 {
2012 dREQ;
2013
2014 req->type = EIO_SLURP;
2015 req_set_path1 (req, pathname);
2016 req->offs = offset;
2017 req->size = length;
2018 req->sv2 = SvREFCNT_inc (data);
2019 req->ptr2 = svptr;
2020
2021 if (!SvREADONLY (data))
2022 {
2023 SvREADONLY_on (data);
2024 req->flags |= FLAG_SV2_RO_OFF;
2025 }
2026
2027 REQ_SEND;
2028 }
1645} 2029}
1646 2030
1647void 2031void
1648aio_busy (double delay, SV *callback = &PL_sv_undef) 2032aio_busy (double delay, SV *callback = &PL_sv_undef)
1649 PPCODE: 2033 PPCODE:
… …
1786 RETVAL 2170 RETVAL
1787 2171
1788void 2172void
1789mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) 2173mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1790 PPCODE: 2174 PPCODE:
1791 sv_unmagic (scalar, MMAP_MAGIC); 2175 sv_clear_foreign (scalar);
1792{ 2176{
1793 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2177 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1794 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2178 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1795 if (addr == (void *)-1) 2179 if (addr == (void *)-1)
1796 XSRETURN_NO; 2180 XSRETURN_NO;
1797 2181
1798 sv_force_normal (scalar); 2182 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1799
1800 /* we store the length in mg_obj, as namlen is I32 :/ */
1801 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1802 ->mg_obj = (SV *)length;
1803
1804 SvUPGRADE (scalar, SVt_PV); /* nop... */
1805 2183
1806 if (!(prot & PROT_WRITE)) 2184 if (!(prot & PROT_WRITE))
1807 SvREADONLY_on (scalar); 2185 SvREADONLY_on (scalar);
1808 2186
1809 if (SvLEN (scalar))
1810 Safefree (SvPVX (scalar));
1811
1812 SvPVX (scalar) = (char *)addr;
1813 SvCUR_set (scalar, length);
1814 SvLEN_set (scalar, 0);
1815 SvPOK_only (scalar);
1816
1817 XSRETURN_YES; 2187 XSRETURN_YES;
1818} 2188}
1819 2189
1820void 2190void
1821munmap (SV *scalar) 2191munmap (SV *scalar)
1822 CODE: 2192 CODE:
1823 sv_unmagic (scalar, MMAP_MAGIC); 2193 sv_clear_foreign (scalar);
2194
2195SV *
2196mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2197 CODE:
2198{
2199 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2200 void *new;
2201
2202 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2203 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2204
2205 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2206
2207 RETVAL = &PL_sv_no;
2208
2209 if (new != (void *)-1)
2210 {
2211 RETVAL = new == (void *)mg->mg_ptr
2212 ? newSVpvn ("0 but true", 10)
2213 : &PL_sv_yes;
2214
2215 mg->mg_ptr = (char *)new;
2216 mg->mg_obj = (SV *)new_length;
2217
2218 SvPVX (scalar) = mg->mg_ptr;
2219 SvCUR_set (scalar, new_length);
2220 }
2221}
2222 OUTPUT:
2223 RETVAL
1824 2224
1825int 2225int
1826madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2226madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1827 ALIAS: 2227 ALIAS:
1828 mprotect = 1 2228 mprotect = 1
1829 CODE: 2229 CODE:
1830{ 2230{
1831 STRLEN svlen; 2231 STRLEN svlen;
… …
1852} 2252}
1853 OUTPUT: 2253 OUTPUT:
1854 RETVAL 2254 RETVAL
1855 2255
1856int 2256int
1857munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) 2257munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1858 CODE: 2258 CODE:
1859{ 2259{
1860 STRLEN svlen; 2260 STRLEN svlen;
1861 void *addr = SvPVbyte (scalar, svlen); 2261 void *addr = SvPVbyte (scalar, svlen);
1862 size_t len = SvUV (length); 2262 size_t len = SvUV (length);
… …
1877#else 2277#else
1878 RETVAL = EIO_ENOSYS (); 2278 RETVAL = EIO_ENOSYS ();
1879#endif 2279#endif
1880} 2280}
1881 OUTPUT: 2281 OUTPUT:
2282 RETVAL
2283
2284int
2285mlockall (int flags)
2286 PROTOTYPE: $;
2287 CODE:
2288 RETVAL = eio_mlockall_sync (flags);
2289 OUTPUT:
1882 RETVAL 2290 RETVAL
1883 2291
1884int 2292int
1885munlockall () 2293munlockall ()
1886 CODE: 2294 CODE:
… …
1958 { 2366 {
1959 EXTEND (SP, 2); 2367 EXTEND (SP, 2);
1960 PUSHs (newmortalFH (fd[0], O_RDONLY)); 2368 PUSHs (newmortalFH (fd[0], O_RDONLY));
1961 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2369 PUSHs (newmortalFH (fd[1], O_WRONLY));
1962 } 2370 }
2371}
2372
2373void
2374eventfd (unsigned int initval = 0, int flags = 0)
2375 PPCODE:
2376{
2377 int fd;
2378#if HAVE_EVENTFD
2379 fd = eventfd (initval, flags);
2380#else
2381 fd = (errno = ENOSYS, -1);
2382#endif
2383
2384 XPUSHs (newmortalFH (fd, O_RDWR));
2385}
2386
2387void
2388timerfd_create (int clockid, int flags = 0)
2389 PPCODE:
2390{
2391 int fd;
2392#if HAVE_TIMERFD
2393 fd = timerfd_create (clockid, flags);
2394#else
2395 fd = (errno = ENOSYS, -1);
2396#endif
2397
2398 XPUSHs (newmortalFH (fd, O_RDWR));
2399}
2400
2401void
2402timerfd_settime (SV *fh, int flags, NV interval, NV value)
2403 PPCODE:
2404{
2405 int fd = s_fileno_croak (fh, 0);
2406#if HAVE_TIMERFD
2407 int res;
2408 struct itimerspec its, ots;
2409
2410 ts_set (&its.it_interval, interval);
2411 ts_set (&its.it_value , value);
2412 res = timerfd_settime (fd, flags, &its, &ots);
2413
2414 if (!res)
2415 {
2416 EXTEND (SP, 2);
2417 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2418 PUSHs (newSVnv (ts_get (&ots.it_value)));
2419 }
2420#else
2421 errno = ENOSYS;
2422#endif
2423}
2424
2425void
2426timerfd_gettime (SV *fh)
2427 PPCODE:
2428{
2429 int fd = s_fileno_croak (fh, 0);
2430#if HAVE_TIMERFD
2431 int res;
2432 struct itimerspec ots;
2433 res = timerfd_gettime (fd, &ots);
2434
2435 if (!res)
2436 {
2437 EXTEND (SP, 2);
2438 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2439 PUSHs (newSVnv (ts_get (&ots.it_value)));
2440 }
2441#else
2442 errno = ENOSYS;
2443#endif
2444}
2445
2446UV
2447get_fdlimit ()
2448 CODE:
2449#if HAVE_RLIMITS
2450 struct rlimit rl;
2451 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2452 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2453#endif
2454 XSRETURN_UNDEF;
2455 OUTPUT:
2456 RETVAL
2457
2458void
2459min_fdlimit (UV limit = 0x7fffffffU)
2460 CODE:
2461{
2462#if HAVE_RLIMITS
2463 struct rlimit rl;
2464 rlim_t orig_rlim_max;
2465 UV bit;
2466
2467 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2468 goto fail;
2469
2470 if (rl.rlim_cur == RLIM_INFINITY)
2471 XSRETURN_YES;
2472
2473 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2474
2475 if (rl.rlim_cur < limit)
2476 {
2477 rl.rlim_cur = limit;
2478
2479 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2480 rl.rlim_max = rl.rlim_cur;
2481 }
2482
2483 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2484 XSRETURN_YES;
2485
2486 if (errno == EPERM)
2487 {
2488 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2489 /* our limit overflows a system-wide limit */
2490 /* try an adaptive algorithm, but do not lower the hardlimit */
2491 rl.rlim_max = 0;
2492 for (bit = 0x40000000U; bit; bit >>= 1)
2493 {
2494 rl.rlim_max |= bit;
2495 rl.rlim_cur = rl.rlim_max;
2496
2497 /* nevr decrease the hard limit */
2498 if (rl.rlim_max < orig_rlim_max)
2499 break;
2500
2501 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2502 rl.rlim_max &= ~bit; /* too high, remove bit again */
2503 }
2504
2505 /* now, raise the soft limit to the max permitted */
2506 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2507 {
2508 rl.rlim_cur = rl.rlim_max;
2509 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2510 errno = EPERM;
2511 }
2512 }
2513#endif
2514 fail:
2515 XSRETURN_UNDEF;
1963} 2516}
1964 2517
1965void _on_next_submit (SV *cb) 2518void _on_next_submit (SV *cb)
1966 CODE: 2519 CODE:
1967 SvREFCNT_dec (on_next_submit); 2520 SvREFCNT_dec (on_next_submit);

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