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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.239 by root, Tue Feb 23 19:42:43 2016 UTC vs.
Revision 1.273 by root, Mon Mar 4 10:28:38 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_ST_XTIMENSEC
123# define ATIMENSEC PL_statcache.st_atimensec
124# define MTIMENSEC PL_statcache.st_mtimensec
125# define CTIMENSEC PL_statcache.st_ctimensec
126#elif HAVE_ST_XTIMESPEC
127# define ATIMENSEC PL_statcache.st_atim.tv_nsec
128# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
129# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
130#else
131# define ATIMENSEC 0
132# define MTIMENSEC 0
133# define CTIMENSEC 0
134#endif
135
136#if HAVE_ST_BIRTHTIMENSEC
137# define BTIMESEC PL_statcache.st_birthtime
138# define BTIMENSEC PL_statcache.st_birthtimensec
139#elif HAVE_ST_BIRTHTIMESPEC
140# define BTIMESEC PL_statcache.st_birthtim.tv_sec
141# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
142#else
143# define BTIMESEC 0
144# define BTIMENSEC 0
145#endif
146
147#if HAVE_ST_GEN
148# define ST_GEN PL_statcache.st_gen
149#else
150# define ST_GEN 0
151#endif
152
153#include "schmorp.h"
154
155#if HAVE_EVENTFD
156# include <sys/eventfd.h>
157#endif
158
159#if HAVE_TIMERFD
160# include <sys/timerfd.h>
161#endif
162
163#if HAVE_RLIMITS
164 #include <sys/time.h>
165 #include <sys/resource.h>
166#endif
107 167
108typedef SV SV8; /* byte-sv, used for argument-checking */ 168typedef SV SV8; /* byte-sv, used for argument-checking */
109typedef int aio_rfd; /* read file desriptor */ 169typedef int aio_rfd; /* read file desriptor */
110typedef int aio_wfd; /* write file descriptor */ 170typedef int aio_wfd; /* write file descriptor */
111 171
… …
118 STRLEN stroffset; \ 178 STRLEN stroffset; \
119 SV *self; 179 SV *self;
120 180
121#define EIO_NO_WRAPPERS 1 181#define EIO_NO_WRAPPERS 1
122 182
123#include "libeio/config.h"
124#include "libeio/eio.h" 183#include "libeio/eio.h"
125 184
126static int req_invoke (eio_req *req); 185static int req_invoke (eio_req *req);
127#define EIO_FINISH(req) req_invoke (req) 186#define EIO_FINISH(req) req_invoke (req)
128static void req_destroy (eio_req *grp); 187static void req_destroy (eio_req *grp);
… …
144# else 203# else
145# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 204# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
146# endif 205# endif
147#endif 206#endif
148 207
208#ifndef makedev
209# define makedev(maj,min) (((maj) << 8) | (min))
210#endif
211#ifndef major
212# define major(dev) ((dev) >> 8)
213#endif
214#ifndef minor
215# define minor(dev) ((dev) & 0xff)
216#endif
217
218/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
219#ifdef __sun
220# undef PAGESIZE
221#endif
222
223#if PAGESIZE <= 0
224# define PAGESIZE sysconf (_SC_PAGESIZE)
225#endif
226
227/*****************************************************************************/
228
229#if !_POSIX_MAPPED_FILES
230# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
231# define munmap(addr,length) EIO_ENOSYS ()
232#endif
233
234#if !_POSIX_MEMORY_PROTECTION
235# define mprotect(addr,len,prot) EIO_ENOSYS ()
236#endif
237
238#if !MREMAP_MAYMOVE
239# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
240#endif
241
242#define FOREIGN_MAGIC PERL_MAGIC_ext
243
244static int ecb_cold
245mmap_free (pTHX_ SV *sv, MAGIC *mg)
246{
247 int old_errno = errno;
248 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
249 errno = old_errno;
250
251 mg->mg_obj = 0; /* just in case */
252
253 SvREADONLY_off (sv);
254
255 if (SvPVX (sv) != mg->mg_ptr)
256 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
257
258 SvCUR_set (sv, 0);
259 SvPVX (sv) = 0;
260 SvOK_off (sv);
261
262 return 0;
263}
264
265static MGVTBL mmap_vtbl = {
266 0, 0, 0, 0, mmap_free
267};
268
269static int ecb_cold
270sysfree_free (pTHX_ SV *sv, MAGIC *mg)
271{
272 free (mg->mg_ptr);
273 mg->mg_obj = 0; /* just in case */
274
275 SvREADONLY_off (sv);
276
277 if (SvPVX (sv) != mg->mg_ptr)
278 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
279
280 SvCUR_set (sv, 0);
281 SvPVX (sv) = 0;
282 SvOK_off (sv);
283
284 return 0;
285}
286
287static MGVTBL sysfree_vtbl = {
288 0, 0, 0, 0, sysfree_free
289};
290
291/*****************************************************************************/
292
293/* helper: set scalar to foreign ptr with custom free */
294static void
295sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
296{
297 sv_force_normal (sv);
298
299 /* we store the length in mg_obj, as namlen is I32 :/ */
300 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
301 ->mg_obj = (SV *)length;
302
303 SvUPGRADE (sv, SVt_PV); /* nop... */
304
305 if (SvLEN (sv))
306 Safefree (SvPVX (sv));
307
308 SvPVX (sv) = (char *)addr;
309 SvCUR_set (sv, length);
310 SvLEN_set (sv, 0);
311 SvPOK_only (sv);
312}
313
314static void
315sv_clear_foreign (SV *sv)
316{
317 /* todo: iterate over magic and only free ours, but of course */
318 /* the perl5porters will call that (correct) behaviour buggy */
319 sv_unmagic (sv, FOREIGN_MAGIC);
320}
321
322/*****************************************************************************/
323
149/* defines all sorts of constants to 0 unless they are already defined */ 324/* defines all sorts of constants to 0 unless they are already defined */
150/* also provides const_iv_ and const_niv_ macros for them */ 325/* also provides const_iv_ and const_niv_ macros for them */
151#include "def0.h" 326#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
166 327
167/*****************************************************************************/ 328/*****************************************************************************/
168 329
169static void 330static void
170fiemap (eio_req *req) 331fiemap (eio_req *req)
… …
261 errno = ENOSYS; 422 errno = ENOSYS;
262#endif 423#endif
263} 424}
264 425
265/*****************************************************************************/ 426/*****************************************************************************/
427
428static int close_fd; /* dummy fd to close fds via dup2 */
266 429
267enum { 430enum {
268 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 431 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
269}; 432};
270 433
… …
590 SvSETMAGIC (req->sv2); 753 SvSETMAGIC (req->sv2);
591 PUSHs (sv_result); 754 PUSHs (sv_result);
592 } 755 }
593 break; 756 break;
594 757
758 case EIO_SLURP:
759 {
760 if (req->result >= 0)
761 {
762 /* if length was originally not known, we steal the malloc'ed memory */
763 if (req->flags & EIO_FLAG_PTR2_FREE)
764 {
765 req->flags &= ~EIO_FLAG_PTR2_FREE;
766 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
767 }
768 else
769 {
770 SvCUR_set (req->sv2, req->result);
771 *SvEND (req->sv2) = 0;
772 SvPOK_only (req->sv2);
773 }
774
775 SvSETMAGIC (req->sv2);
776 }
777
778 PUSHs (sv_result);
779 }
780 break;
781
595 case EIO_CUSTOM: 782 case EIO_CUSTOM:
596 if (req->feed == fiemap) 783 if (req->feed == fiemap)
597 { 784 {
598#if HAVE_FIEMAP 785#if HAVE_FIEMAP
599 if (!req->result) 786 if (!req->result)
… …
630 } 817 }
631 else 818 else
632 PUSHs (sv_result); 819 PUSHs (sv_result);
633 break; 820 break;
634 821
822#if 0
823 case EIO_CLOSE:
824 PerlIOUnix_refcnt_dec (req->int1);
825 break;
826#endif
827
635 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 828 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
636 if (req->result > 0) 829 if (req->result > 0)
637 SvIV_set (sv_result, 0); 830 SvIV_set (sv_result, 0);
638 /* FALLTHROUGH */ 831 /* FALLTHROUGH */
639 832
… …
742 create_respipe (); 935 create_respipe ();
743 936
744 if (eio_init (want_poll, done_poll) < 0) 937 if (eio_init (want_poll, done_poll) < 0)
745 croak ("IO::AIO: unable to initialise eio library"); 938 croak ("IO::AIO: unable to initialise eio library");
746} 939}
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};
785 940
786/*****************************************************************************/ 941/*****************************************************************************/
787 942
788static SV * 943static SV *
789get_cb (SV *cb_sv) 944get_cb (SV *cb_sv)
… …
885 req_set_path1 (req, fh_or_path); 1040 req_set_path1 (req, fh_or_path);
886 break; 1041 break;
887 } 1042 }
888} 1043}
889 1044
1045/*****************************************************************************/
1046
1047static void
1048ts_set (struct timespec *ts, NV value)
1049{
1050 ts->tv_sec = value;
1051 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1052}
1053
1054static NV
1055ts_get (const struct timespec *ts)
1056{
1057 return ts->tv_sec + ts->tv_nsec * 1e-9;
1058}
1059
1060/*****************************************************************************/
1061
890XS(boot_IO__AIO) ecb_cold; 1062XS(boot_IO__AIO) ecb_cold;
891 1063
892MODULE = IO::AIO PACKAGE = IO::AIO 1064MODULE = IO::AIO PACKAGE = IO::AIO
893 1065
894PROTOTYPES: ENABLE 1066PROTOTYPES: ENABLE
… …
925 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) 1097 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
926 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) 1098 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
927 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) 1099 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
928 1100
929 /* the second block will be 0 when missing */ 1101 /* the second block will be 0 when missing */
1102 const_iv (O_ACCMODE)
1103
930 const_iv (O_RDONLY) 1104 const_iv (O_RDONLY)
931 const_iv (O_WRONLY) 1105 const_iv (O_WRONLY)
932 const_iv (O_RDWR) 1106 const_iv (O_RDWR)
933 const_iv (O_CREAT) 1107 const_iv (O_CREAT)
934 const_iv (O_TRUNC) 1108 const_iv (O_TRUNC)
… …
993 const_iv (MAP_NONBLOCK) 1167 const_iv (MAP_NONBLOCK)
994 const_iv (MAP_GROWSDOWN) 1168 const_iv (MAP_GROWSDOWN)
995 const_iv (MAP_32BIT) 1169 const_iv (MAP_32BIT)
996 const_iv (MAP_HUGETLB) 1170 const_iv (MAP_HUGETLB)
997 const_iv (MAP_STACK) 1171 const_iv (MAP_STACK)
1172
1173 const_iv (MREMAP_MAYMOVE)
1174 const_iv (MREMAP_FIXED)
1175
1176 const_iv (F_DUPFD_CLOEXEC)
1177
1178 const_iv (MSG_CMSG_CLOEXEC)
1179 const_iv (SOCK_CLOEXEC)
1180
1181 const_iv (F_OFD_GETLK)
1182 const_iv (F_OFD_SETLK)
1183 const_iv (F_OFD_GETLKW)
1184
1185 const_iv (FIFREEZE)
1186 const_iv (FITHAW)
1187 const_iv (FITRIM)
1188 const_iv (FICLONE)
1189 const_iv (FICLONERANGE)
1190 const_iv (FIDEDUPERANGE)
1191
1192 const_iv (FS_IOC_GETFLAGS)
1193 const_iv (FS_IOC_SETFLAGS)
1194 const_iv (FS_IOC_GETVERSION)
1195 const_iv (FS_IOC_SETVERSION)
1196 const_iv (FS_IOC_FIEMAP)
1197 const_iv (FS_IOC_FSGETXATTR)
1198 const_iv (FS_IOC_FSSETXATTR)
1199 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1200 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1201 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1202
1203 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1204
1205 const_iv (FS_SECRM_FL)
1206 const_iv (FS_UNRM_FL)
1207 const_iv (FS_COMPR_FL)
1208 const_iv (FS_SYNC_FL)
1209 const_iv (FS_IMMUTABLE_FL)
1210 const_iv (FS_APPEND_FL)
1211 const_iv (FS_NODUMP_FL)
1212 const_iv (FS_NOATIME_FL)
1213 const_iv (FS_DIRTY_FL)
1214 const_iv (FS_COMPRBLK_FL)
1215 const_iv (FS_NOCOMP_FL)
1216 const_iv (FS_ENCRYPT_FL)
1217 const_iv (FS_BTREE_FL)
1218 const_iv (FS_INDEX_FL)
1219 const_iv (FS_JOURNAL_DATA_FL)
1220 const_iv (FS_NOTAIL_FL)
1221 const_iv (FS_DIRSYNC_FL)
1222 const_iv (FS_TOPDIR_FL)
1223 const_iv (FS_FL_USER_MODIFIABLE)
1224
1225 const_iv (FS_XFLAG_REALTIME)
1226 const_iv (FS_XFLAG_PREALLOC)
1227 const_iv (FS_XFLAG_IMMUTABLE)
1228 const_iv (FS_XFLAG_APPEND)
1229 const_iv (FS_XFLAG_SYNC)
1230 const_iv (FS_XFLAG_NOATIME)
1231 const_iv (FS_XFLAG_NODUMP)
1232 const_iv (FS_XFLAG_RTINHERIT)
1233 const_iv (FS_XFLAG_PROJINHERIT)
1234 const_iv (FS_XFLAG_NOSYMLINKS)
1235 const_iv (FS_XFLAG_EXTSIZE)
1236 const_iv (FS_XFLAG_EXTSZINHERIT)
1237 const_iv (FS_XFLAG_NODEFRAG)
1238 const_iv (FS_XFLAG_FILESTREAM)
1239 const_iv (FS_XFLAG_DAX)
1240 const_iv (FS_XFLAG_HASATTR)
998 1241
999 const_iv (FIEMAP_FLAG_SYNC) 1242 const_iv (FIEMAP_FLAG_SYNC)
1000 const_iv (FIEMAP_FLAG_XATTR) 1243 const_iv (FIEMAP_FLAG_XATTR)
1001 const_iv (FIEMAP_FLAGS_COMPAT) 1244 const_iv (FIEMAP_FLAGS_COMPAT)
1002 const_iv (FIEMAP_EXTENT_LAST) 1245 const_iv (FIEMAP_EXTENT_LAST)
… …
1014 const_iv (SPLICE_F_MOVE) 1257 const_iv (SPLICE_F_MOVE)
1015 const_iv (SPLICE_F_NONBLOCK) 1258 const_iv (SPLICE_F_NONBLOCK)
1016 const_iv (SPLICE_F_MORE) 1259 const_iv (SPLICE_F_MORE)
1017 const_iv (SPLICE_F_GIFT) 1260 const_iv (SPLICE_F_GIFT)
1018 1261
1262 const_iv (EFD_CLOEXEC)
1263 const_iv (EFD_NONBLOCK)
1264 const_iv (EFD_SEMAPHORE)
1265
1266 const_iv (CLOCK_REALTIME)
1267 const_iv (CLOCK_MONOTONIC)
1268 const_iv (CLOCK_BOOTTIME)
1269 const_iv (CLOCK_REALTIME_ALARM)
1270 const_iv (CLOCK_BOOTTIME_ALARM)
1271
1272 const_iv (TFD_NONBLOCK)
1273 const_iv (TFD_CLOEXEC)
1274
1275 const_iv (TFD_TIMER_ABSTIME)
1276 const_iv (TFD_TIMER_CANCEL_ON_SET)
1277
1019 /* these are libeio constants, and are independent of gendef0 */ 1278 /* these are libeio constants, and are independent of gendef0 */
1020 const_eio (SEEK_SET) 1279 const_eio (SEEK_SET)
1021 const_eio (SEEK_CUR) 1280 const_eio (SEEK_CUR)
1022 const_eio (SEEK_END) 1281 const_eio (SEEK_END)
1023 1282
1024 const_eio (MCL_FUTURE) 1283 const_eio (MCL_FUTURE)
1025 const_eio (MCL_CURRENT) 1284 const_eio (MCL_CURRENT)
1285 const_eio (MCL_ONFAULT)
1026 1286
1027 const_eio (MS_ASYNC) 1287 const_eio (MS_ASYNC)
1028 const_eio (MS_INVALIDATE) 1288 const_eio (MS_INVALIDATE)
1029 const_eio (MS_SYNC) 1289 const_eio (MS_SYNC)
1030 1290
… …
1036 1296
1037 const_eio (FALLOC_FL_KEEP_SIZE) 1297 const_eio (FALLOC_FL_KEEP_SIZE)
1038 const_eio (FALLOC_FL_PUNCH_HOLE) 1298 const_eio (FALLOC_FL_PUNCH_HOLE)
1039 const_eio (FALLOC_FL_COLLAPSE_RANGE) 1299 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1040 const_eio (FALLOC_FL_ZERO_RANGE) 1300 const_eio (FALLOC_FL_ZERO_RANGE)
1301 const_eio (FALLOC_FL_INSERT_RANGE)
1302 const_eio (FALLOC_FL_UNSHARE_RANGE)
1303
1304 const_eio (RENAME_NOREPLACE)
1305 const_eio (RENAME_EXCHANGE)
1306 const_eio (RENAME_WHITEOUT)
1041 1307
1042 const_eio (READDIR_DENTS) 1308 const_eio (READDIR_DENTS)
1043 const_eio (READDIR_DIRS_FIRST) 1309 const_eio (READDIR_DIRS_FIRST)
1044 const_eio (READDIR_STAT_ORDER) 1310 const_eio (READDIR_STAT_ORDER)
1045 const_eio (READDIR_FOUND_UNKNOWN) 1311 const_eio (READDIR_FOUND_UNKNOWN)
… …
1063 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1329 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)); 1330 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1065 1331
1066 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1332 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1067 1333
1334 /* allocate dummy pipe fd for aio_close */
1335 {
1336 int pipefd [2];
1337
1338 if (
1339#ifdef _WIN32
1340 _pipe (pipefd, 1, _O_BINARY) < 0
1341#else
1342 pipe (pipefd) < 0
1343 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1344#endif
1345 || close (pipefd [1]) < 0
1346 )
1347 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1348
1349 close_fd = pipefd [0];
1350 }
1351
1068 reinit (); 1352 reinit ();
1069} 1353}
1070 1354
1071void 1355void
1072reinit () 1356reinit ()
… …
1194 1478
1195void 1479void
1196aio_close (SV *fh, SV *callback = &PL_sv_undef) 1480aio_close (SV *fh, SV *callback = &PL_sv_undef)
1197 PPCODE: 1481 PPCODE:
1198{ 1482{
1199 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1200 int fd = s_fileno_croak (fh, 0); 1483 int fd = s_fileno_croak (fh, 0);
1201 dREQ; 1484 dREQ;
1485#if 0
1486 /* partially duplicate logic in s_fileno */
1487 SvGETMAGIC (fh);
1202 1488
1203 if (expect_false (close_fd < 0)) 1489 if (SvROK (fh))
1490 {
1491 fh = SvRV (fh);
1492 SvGETMAGIC (fh);
1493 }
1494
1495 if (SvTYPE (fh) == SVt_PVGV)
1204 { 1496 {
1205 int pipefd [2]; 1497 /* perl filehandle */
1498 PerlIOUnix_refcnt_inc (fd);
1499 do_close ((GV *)fh, 1);
1206 1500
1207 if ( 1501 req->type = EIO_CLOSE;
1208#ifdef _WIN32 1502 req->int1 = fd;
1209 _pipe (pipefd, 1, _O_BINARY) < 0 1503 /*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 } 1504 }
1220 1505 else
1506#endif
1507 {
1508 /* fd number */
1221 req->type = EIO_DUP2; 1509 req->type = EIO_DUP2;
1222 req->int1 = close_fd; 1510 req->int1 = close_fd;
1223 req->sv2 = newSVsv (fh); 1511 req->sv2 = newSVsv (fh);
1224 req->int2 = fd; 1512 req->int2 = fd;
1513 }
1225 1514
1226 REQ_SEND; 1515 REQ_SEND;
1227} 1516}
1228 1517
1229void 1518void
… …
1316#else 1605#else
1317 STRLEN need = 256; 1606 STRLEN need = 256;
1318#endif 1607#endif
1319 1608
1320 if (svlen < need) 1609 if (svlen < need)
1321 svptr = SvGROW (arg, need + 1); 1610 svptr = SvGROW (arg, need);
1322 } 1611 }
1323 else 1612 else
1324 svptr = (char *)SvIV (arg); 1613 svptr = (char *)SvIV (arg);
1325 1614
1326 { 1615 {
… …
1400 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1689 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1401 1690
1402 REQ_SEND; 1691 REQ_SEND;
1403} 1692}
1404 1693
1694void
1695st_xtime ()
1696 ALIAS:
1697 st_atime = 0x01
1698 st_mtime = 0x02
1699 st_ctime = 0x04
1700 st_btime = 0x08
1701 st_xtime = 0x0f
1702 PPCODE:
1703 EXTEND (SP, 4);
1704 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1705 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1706 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1707 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1708
1709void
1710st_xtimensec ()
1711 ALIAS:
1712 st_atimensec = 0x01
1713 st_mtimensec = 0x02
1714 st_ctimensec = 0x04
1715 st_btimensec = 0x08
1716 st_xtimensec = 0x0f
1717 st_btimesec = 0x10
1718 st_gen = 0x20
1719 PPCODE:
1720 EXTEND (SP, 4);
1721 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1722 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1723 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1724 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1725 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1726 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1727
1405UV 1728UV
1406major (UV dev) 1729major (UV dev)
1407 ALIAS: 1730 ALIAS:
1408 minor = 1 1731 minor = 1
1409 CODE: 1732 CODE:
1410 RETVAL = ix ? major (dev) : minor (dev); 1733 RETVAL = ix ? minor (dev) : major (dev);
1411 OUTPUT: 1734 OUTPUT:
1412 RETVAL 1735 RETVAL
1413 1736
1414UV 1737UV
1415makedev (UV maj, UV min) 1738makedev (UV maj, UV min)
… …
1532 1855
1533 REQ_SEND; 1856 REQ_SEND;
1534} 1857}
1535 1858
1536void 1859void
1860aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1861 PPCODE:
1862{
1863 eio_wd wd2 = 0;
1864 dREQ;
1865
1866 req->type = EIO_RENAME;
1867 req_set_path1 (req, oldpath);
1868 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1869 req->int2 = flags;
1870 req->int3 = (long)wd2;
1871
1872 REQ_SEND;
1873}
1874
1875void
1537aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) 1876aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1538 PPCODE: 1877 PPCODE:
1539{ 1878{
1540 dREQ; 1879 dREQ;
1541 1880
… …
1546 1885
1547 REQ_SEND; 1886 REQ_SEND;
1548} 1887}
1549 1888
1550void 1889void
1551aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef) 1890aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1552 ALIAS: 1891 ALIAS:
1553 aio_mtouch = EIO_MTOUCH 1892 aio_mtouch = EIO_MTOUCH
1554 aio_msync = EIO_MSYNC 1893 aio_msync = EIO_MSYNC
1555 PPCODE: 1894 PPCODE:
1556{ 1895{
1557 STRLEN svlen; 1896 STRLEN svlen;
1558 char *svptr = SvPVbyte (data, svlen); 1897 char *svptr = SvPVbyte (data, svlen);
1559 UV len = SvUV (length); 1898 UV len = SvUV (length);
1899
1900 if (flags < 0)
1901 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1560 1902
1561 if (offset < 0) 1903 if (offset < 0)
1562 offset += svlen; 1904 offset += svlen;
1563 1905
1564 if (offset < 0 || offset > svlen) 1906 if (offset < 0 || offset > svlen)
… …
1640 req->int2 = flags; 1982 req->int2 = flags;
1641 req->int3 = SvOK (count) ? SvIV (count) : -1; 1983 req->int3 = SvOK (count) ? SvIV (count) : -1;
1642#endif 1984#endif
1643 1985
1644 REQ_SEND; 1986 REQ_SEND;
1987}
1988
1989void
1990aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1991 PPCODE:
1992{
1993 char *svptr = 0;
1994
1995 sv_clear_foreign (data);
1996
1997 if (length) /* known length, directly read into scalar */
1998 {
1999 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2000 svptr = sv_grow (data, length + 1);
2001 else if (SvCUR (data) < length)
2002 croak ("length outside of scalar, and cannot grow");
2003 else
2004 svptr = SvPVbyte_nolen (data);
2005 }
2006
2007 {
2008 dREQ;
2009
2010 req->type = EIO_SLURP;
2011 req_set_path1 (req, pathname);
2012 req->offs = offset;
2013 req->size = length;
2014 req->sv2 = SvREFCNT_inc (data);
2015 req->ptr2 = svptr;
2016
2017 if (!SvREADONLY (data))
2018 {
2019 SvREADONLY_on (data);
2020 req->flags |= FLAG_SV2_RO_OFF;
2021 }
2022
2023 REQ_SEND;
2024 }
1645} 2025}
1646 2026
1647void 2027void
1648aio_busy (double delay, SV *callback = &PL_sv_undef) 2028aio_busy (double delay, SV *callback = &PL_sv_undef)
1649 PPCODE: 2029 PPCODE:
… …
1786 RETVAL 2166 RETVAL
1787 2167
1788void 2168void
1789mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) 2169mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1790 PPCODE: 2170 PPCODE:
1791 sv_unmagic (scalar, MMAP_MAGIC); 2171 sv_clear_foreign (scalar);
1792{ 2172{
1793 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2173 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1794 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2174 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1795 if (addr == (void *)-1) 2175 if (addr == (void *)-1)
1796 XSRETURN_NO; 2176 XSRETURN_NO;
1797 2177
1798 sv_force_normal (scalar); 2178 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 2179
1806 if (!(prot & PROT_WRITE)) 2180 if (!(prot & PROT_WRITE))
1807 SvREADONLY_on (scalar); 2181 SvREADONLY_on (scalar);
1808 2182
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; 2183 XSRETURN_YES;
1818} 2184}
1819 2185
1820void 2186void
1821munmap (SV *scalar) 2187munmap (SV *scalar)
1822 CODE: 2188 CODE:
1823 sv_unmagic (scalar, MMAP_MAGIC); 2189 sv_clear_foreign (scalar);
2190
2191SV *
2192mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2193 CODE:
2194{
2195 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2196 void *new;
2197
2198 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2199 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2200
2201 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2202
2203 RETVAL = &PL_sv_no;
2204
2205 if (new != (void *)-1)
2206 {
2207 RETVAL = new == (void *)mg->mg_ptr
2208 ? newSVpvn ("0 but true", 10)
2209 : &PL_sv_yes;
2210
2211 mg->mg_ptr = (char *)new;
2212 mg->mg_obj = (SV *)new_length;
2213
2214 SvPVX (scalar) = mg->mg_ptr;
2215 SvCUR_set (scalar, new_length);
2216 }
2217}
2218 OUTPUT:
2219 RETVAL
1824 2220
1825int 2221int
1826madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2222madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1827 ALIAS: 2223 ALIAS:
1828 mprotect = 1 2224 mprotect = 1
1829 CODE: 2225 CODE:
1830{ 2226{
1831 STRLEN svlen; 2227 STRLEN svlen;
… …
1852} 2248}
1853 OUTPUT: 2249 OUTPUT:
1854 RETVAL 2250 RETVAL
1855 2251
1856int 2252int
1857munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) 2253munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1858 CODE: 2254 CODE:
1859{ 2255{
1860 STRLEN svlen; 2256 STRLEN svlen;
1861 void *addr = SvPVbyte (scalar, svlen); 2257 void *addr = SvPVbyte (scalar, svlen);
1862 size_t len = SvUV (length); 2258 size_t len = SvUV (length);
… …
1877#else 2273#else
1878 RETVAL = EIO_ENOSYS (); 2274 RETVAL = EIO_ENOSYS ();
1879#endif 2275#endif
1880} 2276}
1881 OUTPUT: 2277 OUTPUT:
2278 RETVAL
2279
2280int
2281mlockall (int flags)
2282 PROTOTYPE: $;
2283 CODE:
2284 RETVAL = eio_mlockall_sync (flags);
2285 OUTPUT:
1882 RETVAL 2286 RETVAL
1883 2287
1884int 2288int
1885munlockall () 2289munlockall ()
1886 CODE: 2290 CODE:
… …
1958 { 2362 {
1959 EXTEND (SP, 2); 2363 EXTEND (SP, 2);
1960 PUSHs (newmortalFH (fd[0], O_RDONLY)); 2364 PUSHs (newmortalFH (fd[0], O_RDONLY));
1961 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2365 PUSHs (newmortalFH (fd[1], O_WRONLY));
1962 } 2366 }
2367}
2368
2369void
2370eventfd (unsigned int initval = 0, int flags = 0)
2371 PPCODE:
2372{
2373 int fd;
2374#if HAVE_EVENTFD
2375 fd = eventfd (initval, flags);
2376#else
2377 fd = (errno = ENOSYS, -1);
2378#endif
2379
2380 XPUSHs (newmortalFH (fd, O_RDWR));
2381}
2382
2383void
2384timerfd_create (int clockid, int flags = 0)
2385 PPCODE:
2386{
2387 int fd;
2388#if HAVE_TIMERFD
2389 fd = timerfd_create (clockid, flags);
2390#else
2391 fd = (errno = ENOSYS, -1);
2392#endif
2393
2394 XPUSHs (newmortalFH (fd, O_RDWR));
2395}
2396
2397void
2398timerfd_settime (SV *fh, int flags, NV interval, NV value)
2399 PPCODE:
2400{
2401 int fd = s_fileno_croak (fh, 0);
2402#if HAVE_TIMERFD
2403 int res;
2404 struct itimerspec its, ots;
2405
2406 ts_set (&its.it_interval, interval);
2407 ts_set (&its.it_value , value);
2408 res = timerfd_settime (fd, flags, &its, &ots);
2409
2410 if (!res)
2411 {
2412 EXTEND (SP, 2);
2413 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2414 PUSHs (newSVnv (ts_get (&ots.it_value)));
2415 }
2416#else
2417 errno = ENOSYS;
2418#endif
2419}
2420
2421void
2422timerfd_gettime (SV *fh)
2423 PPCODE:
2424{
2425 int fd = s_fileno_croak (fh, 0);
2426#if HAVE_TIMERFD
2427 int res;
2428 struct itimerspec ots;
2429 res = timerfd_gettime (fd, &ots);
2430
2431 if (!res)
2432 {
2433 EXTEND (SP, 2);
2434 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2435 PUSHs (newSVnv (ts_get (&ots.it_value)));
2436 }
2437#else
2438 errno = ENOSYS;
2439#endif
2440}
2441
2442UV
2443get_fdlimit ()
2444 CODE:
2445#if HAVE_RLIMITS
2446 struct rlimit rl;
2447 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2448 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2449#endif
2450 XSRETURN_UNDEF;
2451 OUTPUT:
2452 RETVAL
2453
2454void
2455min_fdlimit (UV limit = 0x7fffffffU)
2456 CODE:
2457{
2458#if HAVE_RLIMITS
2459 struct rlimit rl;
2460 rlim_t orig_rlim_max;
2461 UV bit;
2462
2463 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2464 goto fail;
2465
2466 if (rl.rlim_cur == RLIM_INFINITY)
2467 XSRETURN_YES;
2468
2469 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2470
2471 if (rl.rlim_cur < limit)
2472 {
2473 rl.rlim_cur = limit;
2474
2475 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2476 rl.rlim_max = rl.rlim_cur;
2477 }
2478
2479 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2480 XSRETURN_YES;
2481
2482 if (errno == EPERM)
2483 {
2484 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2485 /* our limit overflows a system-wide limit */
2486 /* try an adaptive algorithm, but do not lower the hardlimit */
2487 rl.rlim_max = 0;
2488 for (bit = 0x40000000U; bit; bit >>= 1)
2489 {
2490 rl.rlim_max |= bit;
2491 rl.rlim_cur = rl.rlim_max;
2492
2493 /* nevr decrease the hard limit */
2494 if (rl.rlim_max < orig_rlim_max)
2495 break;
2496
2497 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2498 rl.rlim_max &= ~bit; /* too high, remove bit again */
2499 }
2500
2501 /* now, raise the soft limit to the max permitted */
2502 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2503 {
2504 rl.rlim_cur = rl.rlim_max;
2505 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2506 errno = EPERM;
2507 }
2508 }
2509#endif
2510 fail:
2511 XSRETURN_UNDEF;
1963} 2512}
1964 2513
1965void _on_next_submit (SV *cb) 2514void _on_next_submit (SV *cb)
1966 CODE: 2515 CODE:
1967 SvREFCNT_dec (on_next_submit); 2516 SvREFCNT_dec (on_next_submit);

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