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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.236 by root, Thu Jun 25 17:40:24 2015 UTC vs.
Revision 1.268 by root, Thu Nov 29 19:49:48 2018 UTC

… …
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 8
9#include "schmorp.h" 9#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif
10 12
11#include <stddef.h> 13#include <stddef.h>
12#include <stdlib.h> 14#include <stdlib.h>
13#include <errno.h> 15#include <errno.h>
14#include <sys/types.h> 16#include <sys/types.h>
17#include <sys/socket.h>
15#include <sys/stat.h> 18#include <sys/stat.h>
16#include <limits.h> 19#include <limits.h>
17#include <fcntl.h> 20#include <fcntl.h>
18#include <sched.h> 21#include <sched.h>
19 22
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 23/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test 24 * 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. 25 * for his broken iplementation. don't complain to me if this fails
26 * for you.
27 */ 27 */
28#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) 28#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
29# include <linux/fs.h> 29# include <linux/fs.h>
30# ifdef FS_IOC_FIEMAP 30# ifdef FS_IOC_FIEMAP
31# include <linux/types.h> 31# include <linux/types.h>
… …
74 #undef fchmod 74 #undef fchmod
75 #undef dup 75 #undef dup
76 #undef dup2 76 #undef dup2
77 #undef abort 77 #undef abort
78 #undef pipe 78 #undef pipe
79 #undef utime
79 80
80 #define EIO_STRUCT_STAT struct _stati64 81 #define EIO_STRUCT_STAT struct _stati64
81 #define EIO_STRUCT_STATI64 82 #define EIO_STRUCT_STATI64
82 83
83#else 84#else
… …
102 103
103#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
104#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
105 106
106/*****************************************************************************/ 107/*****************************************************************************/
108
109#include "config.h"
110
111#if HAVE_SYS_MKDEV_H
112# include <sys/mkdev.h>
113#elif HAVE_SYS_SYSMACROS_H
114# include <sys/sysmacros.h>
115#endif
116
117#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
118# include <sys/mman.h>
119#endif
120
121#if HAVE_ST_XTIMENSEC
122# define ATIMENSEC PL_statcache.st_atimensec
123# define MTIMENSEC PL_statcache.st_mtimensec
124# define CTIMENSEC PL_statcache.st_ctimensec
125#elif HAVE_ST_XTIMESPEC
126# define ATIMENSEC PL_statcache.st_atim.tv_nsec
127# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
128# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
129#else
130# define ATIMENSEC 0
131# define MTIMENSEC 0
132# define CTIMENSEC 0
133#endif
134
135#if HAVE_ST_BIRTHTIMENSEC
136# define BTIMESEC PL_statcache.st_birthtime
137# define BTIMENSEC PL_statcache.st_birthtimensec
138#elif HAVE_ST_BIRTHTIMESPEC
139# define BTIMESEC PL_statcache.st_birthtim.tv_sec
140# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
141#else
142# define BTIMESEC 0
143# define BTIMENSEC 0
144#endif
145
146#if HAVE_ST_GEN
147# define ST_GEN PL_statcache.st_gen
148#else
149# define ST_GEN 0
150#endif
151
152#include "schmorp.h"
153
154#if HAVE_EVENTFD
155# include <sys/eventfd.h>
156#endif
157
158#if HAVE_TIMERFD
159# include <sys/timerfd.h>
160#endif
161
162#if HAVE_RLIMITS
163 #include <sys/time.h>
164 #include <sys/resource.h>
165#endif
107 166
108typedef SV SV8; /* byte-sv, used for argument-checking */ 167typedef SV SV8; /* byte-sv, used for argument-checking */
109typedef int aio_rfd; /* read file desriptor */ 168typedef int aio_rfd; /* read file desriptor */
110typedef int aio_wfd; /* write file descriptor */ 169typedef int aio_wfd; /* write file descriptor */
111 170
… …
118 STRLEN stroffset; \ 177 STRLEN stroffset; \
119 SV *self; 178 SV *self;
120 179
121#define EIO_NO_WRAPPERS 1 180#define EIO_NO_WRAPPERS 1
122 181
123#include "libeio/config.h"
124#include "libeio/eio.h" 182#include "libeio/eio.h"
125 183
126static int req_invoke (eio_req *req); 184static int req_invoke (eio_req *req);
127#define EIO_FINISH(req) req_invoke (req) 185#define EIO_FINISH(req) req_invoke (req)
128static void req_destroy (eio_req *grp); 186static void req_destroy (eio_req *grp);
… …
144# else 202# else
145# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 203# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
146# endif 204# endif
147#endif 205#endif
148 206
207#ifndef makedev
208# define makedev(maj,min) (((maj) << 8) | (min))
209#endif
210#ifndef major
211# define major(dev) ((dev) >> 8)
212#endif
213#ifndef minor
214# define minor(dev) ((dev) & 0xff)
215#endif
216
217/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
218#ifdef __sun
219# undef PAGESIZE
220#endif
221
222#if PAGESIZE <= 0
223# define PAGESIZE sysconf (_SC_PAGESIZE)
224#endif
225
226/*****************************************************************************/
227
228#if !_POSIX_MAPPED_FILES
229# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
230# define munmap(addr,length) EIO_ENOSYS ()
231#endif
232
233#if !_POSIX_MEMORY_PROTECTION
234# define mprotect(addr,len,prot) EIO_ENOSYS ()
235#endif
236
237#if !MREMAP_MAYMOVE
238# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
239#endif
240
241#define FOREIGN_MAGIC PERL_MAGIC_ext
242
243static int ecb_cold
244mmap_free (pTHX_ SV *sv, MAGIC *mg)
245{
246 int old_errno = errno;
247 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
248 errno = old_errno;
249
250 mg->mg_obj = 0; /* just in case */
251
252 SvREADONLY_off (sv);
253
254 if (SvPVX (sv) != mg->mg_ptr)
255 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
256
257 SvCUR_set (sv, 0);
258 SvPVX (sv) = 0;
259 SvOK_off (sv);
260
261 return 0;
262}
263
264static MGVTBL mmap_vtbl = {
265 0, 0, 0, 0, mmap_free
266};
267
268static int ecb_cold
269sysfree_free (pTHX_ SV *sv, MAGIC *mg)
270{
271 free (mg->mg_ptr);
272 mg->mg_obj = 0; /* just in case */
273
274 SvREADONLY_off (sv);
275
276 if (SvPVX (sv) != mg->mg_ptr)
277 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
278
279 SvCUR_set (sv, 0);
280 SvPVX (sv) = 0;
281 SvOK_off (sv);
282
283 return 0;
284}
285
286static MGVTBL sysfree_vtbl = {
287 0, 0, 0, 0, sysfree_free
288};
289
290/*****************************************************************************/
291
292/* helper: set scalar to foreign ptr with custom free */
293static void
294sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
295{
296 sv_force_normal (sv);
297
298 /* we store the length in mg_obj, as namlen is I32 :/ */
299 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
300 ->mg_obj = (SV *)length;
301
302 SvUPGRADE (sv, SVt_PV); /* nop... */
303
304 if (SvLEN (sv))
305 Safefree (SvPVX (sv));
306
307 SvPVX (sv) = (char *)addr;
308 SvCUR_set (sv, length);
309 SvLEN_set (sv, 0);
310 SvPOK_only (sv);
311}
312
313static void
314sv_clear_foreign (SV *sv)
315{
316 /* todo: iterate over magic and only free ours, but of course */
317 /* the perl5porters will call that (correct) behaviour buggy */
318 sv_unmagic (sv, FOREIGN_MAGIC);
319}
320
321/*****************************************************************************/
322
149/* defines all sorts of constants to 0 unless they are already defined */ 323/* defines all sorts of constants to 0 unless they are already defined */
150/* also provides const_iv_ and const_niv_ macros for them */ 324/* also provides const_iv_ and const_niv_ macros for them */
151#include "def0.h" 325#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
166 326
167/*****************************************************************************/ 327/*****************************************************************************/
168 328
169static void 329static void
170fiemap (eio_req *req) 330fiemap (eio_req *req)
… …
261 errno = ENOSYS; 421 errno = ENOSYS;
262#endif 422#endif
263} 423}
264 424
265/*****************************************************************************/ 425/*****************************************************************************/
426
427static int close_fd; /* dummy fd to close fds via dup2 */
266 428
267enum { 429enum {
268 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 430 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
269}; 431};
270 432
… …
590 SvSETMAGIC (req->sv2); 752 SvSETMAGIC (req->sv2);
591 PUSHs (sv_result); 753 PUSHs (sv_result);
592 } 754 }
593 break; 755 break;
594 756
757 case EIO_SLURP:
758 {
759 if (req->result >= 0)
760 {
761 /* if length was originally not known, we steal the malloc'ed memory */
762 if (req->flags & EIO_FLAG_PTR2_FREE)
763 {
764 req->flags &= ~EIO_FLAG_PTR2_FREE;
765 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
766 }
767 else
768 {
769 SvCUR_set (req->sv2, req->result);
770 *SvEND (req->sv2) = 0;
771 SvPOK_only (req->sv2);
772 }
773
774 SvSETMAGIC (req->sv2);
775 }
776
777 PUSHs (sv_result);
778 }
779 break;
780
595 case EIO_CUSTOM: 781 case EIO_CUSTOM:
596 if (req->feed == fiemap) 782 if (req->feed == fiemap)
597 { 783 {
598#if HAVE_FIEMAP 784#if HAVE_FIEMAP
599 if (!req->result) 785 if (!req->result)
… …
704{ 890{
705 while (eio_nreqs ()) 891 while (eio_nreqs ())
706 { 892 {
707 int size; 893 int size;
708 894
709 X_LOCK (reslock); 895 X_LOCK (EIO_POOL->reslock);
710 size = EIO_POOL->res_queue.size; 896 size = EIO_POOL->res_queue.size;
711 X_UNLOCK (reslock); 897 X_UNLOCK (EIO_POOL->reslock);
712 898
713 if (size) 899 if (size)
714 return; 900 return;
715 901
716 etp_maybe_start_thread (EIO_POOL); 902 etp_maybe_start_thread (EIO_POOL);
… …
742 create_respipe (); 928 create_respipe ();
743 929
744 if (eio_init (want_poll, done_poll) < 0) 930 if (eio_init (want_poll, done_poll) < 0)
745 croak ("IO::AIO: unable to initialise eio library"); 931 croak ("IO::AIO: unable to initialise eio library");
746} 932}
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};
785 933
786/*****************************************************************************/ 934/*****************************************************************************/
787 935
788static SV * 936static SV *
789get_cb (SV *cb_sv) 937get_cb (SV *cb_sv)
… …
885 req_set_path1 (req, fh_or_path); 1033 req_set_path1 (req, fh_or_path);
886 break; 1034 break;
887 } 1035 }
888} 1036}
889 1037
1038/*****************************************************************************/
1039
1040static void
1041ts_set (struct timespec *ts, NV value)
1042{
1043 ts->tv_sec = value;
1044 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1045}
1046
1047static NV
1048ts_get (const struct timespec *ts)
1049{
1050 return ts->tv_sec + ts->tv_nsec * 1e-9;
1051}
1052
1053/*****************************************************************************/
1054
890XS(boot_IO__AIO) ecb_cold; 1055XS(boot_IO__AIO) ecb_cold;
891 1056
892MODULE = IO::AIO PACKAGE = IO::AIO 1057MODULE = IO::AIO PACKAGE = IO::AIO
893 1058
894PROTOTYPES: ENABLE 1059PROTOTYPES: ENABLE
… …
925 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) 1090 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
926 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) 1091 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
927 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) 1092 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
928 1093
929 /* the second block will be 0 when missing */ 1094 /* the second block will be 0 when missing */
1095 const_iv (O_ACCMODE)
1096
930 const_iv (O_RDONLY) 1097 const_iv (O_RDONLY)
931 const_iv (O_WRONLY) 1098 const_iv (O_WRONLY)
932 const_iv (O_RDWR) 1099 const_iv (O_RDWR)
933 const_iv (O_CREAT) 1100 const_iv (O_CREAT)
934 const_iv (O_TRUNC) 1101 const_iv (O_TRUNC)
… …
985 const_iv (MAP_SHARED) 1152 const_iv (MAP_SHARED)
986 const_iv (MAP_FIXED) 1153 const_iv (MAP_FIXED)
987 const_iv (MAP_ANONYMOUS) 1154 const_iv (MAP_ANONYMOUS)
988 1155
989 /* linuxish */ 1156 /* linuxish */
990 const_iv (MAP_HUGETLB)
991 const_iv (MAP_LOCKED) 1157 const_iv (MAP_LOCKED)
992 const_iv (MAP_NORESERVE) 1158 const_iv (MAP_NORESERVE)
993 const_iv (MAP_POPULATE) 1159 const_iv (MAP_POPULATE)
994 const_iv (MAP_NONBLOCK) 1160 const_iv (MAP_NONBLOCK)
995 const_iv (MAP_GROWSDOWN) 1161 const_iv (MAP_GROWSDOWN)
996 const_iv (MAP_32BIT) 1162 const_iv (MAP_32BIT)
997 const_iv (MAP_HUGETLB) 1163 const_iv (MAP_HUGETLB)
998 const_iv (MAP_STACK) 1164 const_iv (MAP_STACK)
1165
1166 const_iv (MREMAP_MAYMOVE)
1167 const_iv (MREMAP_FIXED)
1168
1169 const_iv (F_DUPFD_CLOEXEC)
1170
1171 const_iv (MSG_CMSG_CLOEXEC)
1172 const_iv (SOCK_CLOEXEC)
1173
1174 const_iv (F_OFD_GETLK)
1175 const_iv (F_OFD_SETLK)
1176 const_iv (F_OFD_GETLKW)
1177
1178 const_iv (FIFREEZE)
1179 const_iv (FITHAW)
1180 const_iv (FITRIM)
1181 const_iv (FICLONE)
1182 const_iv (FICLONERANGE)
1183 const_iv (FIDEDUPERANGE)
1184
1185 const_iv (FS_IOC_GETFLAGS)
1186 const_iv (FS_IOC_SETFLAGS)
1187 const_iv (FS_IOC_GETVERSION)
1188 const_iv (FS_IOC_SETVERSION)
1189 const_iv (FS_IOC_FIEMAP)
1190 const_iv (FS_IOC_FSGETXATTR)
1191 const_iv (FS_IOC_FSSETXATTR)
1192 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1193 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1194 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1195
1196 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1197
1198 const_iv (FS_SECRM_FL)
1199 const_iv (FS_UNRM_FL)
1200 const_iv (FS_COMPR_FL)
1201 const_iv (FS_SYNC_FL)
1202 const_iv (FS_IMMUTABLE_FL)
1203 const_iv (FS_APPEND_FL)
1204 const_iv (FS_NODUMP_FL)
1205 const_iv (FS_NOATIME_FL)
1206 const_iv (FS_DIRTY_FL)
1207 const_iv (FS_COMPRBLK_FL)
1208 const_iv (FS_NOCOMP_FL)
1209 const_iv (FS_ENCRYPT_FL)
1210 const_iv (FS_BTREE_FL)
1211 const_iv (FS_INDEX_FL)
1212 const_iv (FS_JOURNAL_DATA_FL)
1213 const_iv (FS_NOTAIL_FL)
1214 const_iv (FS_DIRSYNC_FL)
1215 const_iv (FS_TOPDIR_FL)
1216 const_iv (FS_FL_USER_MODIFIABLE)
1217
1218 const_iv (FS_XFLAG_REALTIME)
1219 const_iv (FS_XFLAG_PREALLOC)
1220 const_iv (FS_XFLAG_IMMUTABLE)
1221 const_iv (FS_XFLAG_APPEND)
1222 const_iv (FS_XFLAG_SYNC)
1223 const_iv (FS_XFLAG_NOATIME)
1224 const_iv (FS_XFLAG_NODUMP)
1225 const_iv (FS_XFLAG_RTINHERIT)
1226 const_iv (FS_XFLAG_PROJINHERIT)
1227 const_iv (FS_XFLAG_NOSYMLINKS)
1228 const_iv (FS_XFLAG_EXTSIZE)
1229 const_iv (FS_XFLAG_EXTSZINHERIT)
1230 const_iv (FS_XFLAG_NODEFRAG)
1231 const_iv (FS_XFLAG_FILESTREAM)
1232 const_iv (FS_XFLAG_DAX)
1233 const_iv (FS_XFLAG_HASATTR)
999 1234
1000 const_iv (FIEMAP_FLAG_SYNC) 1235 const_iv (FIEMAP_FLAG_SYNC)
1001 const_iv (FIEMAP_FLAG_XATTR) 1236 const_iv (FIEMAP_FLAG_XATTR)
1002 const_iv (FIEMAP_FLAGS_COMPAT) 1237 const_iv (FIEMAP_FLAGS_COMPAT)
1003 const_iv (FIEMAP_EXTENT_LAST) 1238 const_iv (FIEMAP_EXTENT_LAST)
… …
1015 const_iv (SPLICE_F_MOVE) 1250 const_iv (SPLICE_F_MOVE)
1016 const_iv (SPLICE_F_NONBLOCK) 1251 const_iv (SPLICE_F_NONBLOCK)
1017 const_iv (SPLICE_F_MORE) 1252 const_iv (SPLICE_F_MORE)
1018 const_iv (SPLICE_F_GIFT) 1253 const_iv (SPLICE_F_GIFT)
1019 1254
1255 const_iv (EFD_CLOEXEC)
1256 const_iv (EFD_NONBLOCK)
1257 const_iv (EFD_SEMAPHORE)
1258
1259 const_iv (CLOCK_REALTIME)
1260 const_iv (CLOCK_MONOTONIC)
1261 const_iv (CLOCK_BOOTTIME)
1262 const_iv (CLOCK_REALTIME_ALARM)
1263 const_iv (CLOCK_BOOTTIME_ALARM)
1264
1265 const_iv (TFD_NONBLOCK)
1266 const_iv (TFD_CLOEXEC)
1267
1268 const_iv (TFD_TIMER_ABSTIME)
1269 const_iv (TFD_TIMER_CANCEL_ON_SET)
1270
1020 /* these are libeio constants, and are independent of gendef0 */ 1271 /* these are libeio constants, and are independent of gendef0 */
1021 const_eio (SEEK_SET) 1272 const_eio (SEEK_SET)
1022 const_eio (SEEK_CUR) 1273 const_eio (SEEK_CUR)
1023 const_eio (SEEK_END) 1274 const_eio (SEEK_END)
1024 1275
1025 const_eio (MCL_FUTURE) 1276 const_eio (MCL_FUTURE)
1026 const_eio (MCL_CURRENT) 1277 const_eio (MCL_CURRENT)
1278 const_eio (MCL_ONFAULT)
1027 1279
1028 const_eio (MS_ASYNC) 1280 const_eio (MS_ASYNC)
1029 const_eio (MS_INVALIDATE) 1281 const_eio (MS_INVALIDATE)
1030 const_eio (MS_SYNC) 1282 const_eio (MS_SYNC)
1031 1283
… …
1037 1289
1038 const_eio (FALLOC_FL_KEEP_SIZE) 1290 const_eio (FALLOC_FL_KEEP_SIZE)
1039 const_eio (FALLOC_FL_PUNCH_HOLE) 1291 const_eio (FALLOC_FL_PUNCH_HOLE)
1040 const_eio (FALLOC_FL_COLLAPSE_RANGE) 1292 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1041 const_eio (FALLOC_FL_ZERO_RANGE) 1293 const_eio (FALLOC_FL_ZERO_RANGE)
1294 const_eio (FALLOC_FL_INSERT_RANGE)
1295 const_eio (FALLOC_FL_UNSHARE_RANGE)
1296
1297 const_eio (RENAME_NOREPLACE)
1298 const_eio (RENAME_EXCHANGE)
1299 const_eio (RENAME_WHITEOUT)
1042 1300
1043 const_eio (READDIR_DENTS) 1301 const_eio (READDIR_DENTS)
1044 const_eio (READDIR_DIRS_FIRST) 1302 const_eio (READDIR_DIRS_FIRST)
1045 const_eio (READDIR_STAT_ORDER) 1303 const_eio (READDIR_STAT_ORDER)
1046 const_eio (READDIR_FOUND_UNKNOWN) 1304 const_eio (READDIR_FOUND_UNKNOWN)
… …
1064 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1322 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)); 1323 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1066 1324
1067 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1325 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1068 1326
1327 /* allocate dummy pipe fd for aio_close */
1328 {
1329 int pipefd [2];
1330
1331 if (
1332#ifdef _WIN32
1333 _pipe (pipefd, 1, _O_BINARY) < 0
1334#else
1335 pipe (pipefd) < 0
1336 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1337#endif
1338 || close (pipefd [1]) < 0
1339 )
1340 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1341
1342 close_fd = pipefd [0];
1343 }
1344
1069 reinit (); 1345 reinit ();
1070} 1346}
1071 1347
1072void 1348void
1073reinit () 1349reinit ()
… …
1195 1471
1196void 1472void
1197aio_close (SV *fh, SV *callback = &PL_sv_undef) 1473aio_close (SV *fh, SV *callback = &PL_sv_undef)
1198 PPCODE: 1474 PPCODE:
1199{ 1475{
1200 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1201 int fd = s_fileno_croak (fh, 0); 1476 int fd = s_fileno_croak (fh, 0);
1202 dREQ; 1477 dREQ;
1203
1204 if (expect_false (close_fd < 0))
1205 {
1206 int pipefd [2];
1207
1208 if (
1209#ifdef _WIN32
1210 _pipe (pipefd, 1, _O_BINARY) < 0
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 }
1221 1478
1222 req->type = EIO_DUP2; 1479 req->type = EIO_DUP2;
1223 req->int1 = close_fd; 1480 req->int1 = close_fd;
1224 req->sv2 = newSVsv (fh); 1481 req->sv2 = newSVsv (fh);
1225 req->int2 = fd; 1482 req->int2 = fd;
… …
1297 REQ_SEND; 1554 REQ_SEND;
1298 } 1555 }
1299} 1556}
1300 1557
1301void 1558void
1559aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1560 ALIAS:
1561 aio_ioctl = EIO_IOCTL
1562 aio_fcntl = EIO_FCNTL
1563 PPCODE:
1564{
1565 int fd = s_fileno_croak (fh, 0);
1566 char *svptr;
1567
1568 if (SvPOK (arg) || !SvNIOK (arg))
1569 {
1570 STRLEN svlen;
1571 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1572#ifdef IOCPARM_LEN
1573 STRLEN need = IOCPARM_LEN (request);
1574#else
1575 STRLEN need = 256;
1576#endif
1577
1578 if (svlen < need)
1579 svptr = SvGROW (arg, need);
1580 }
1581 else
1582 svptr = (char *)SvIV (arg);
1583
1584 {
1585 dREQ;
1586
1587 req->type = ix;
1588 req->sv1 = newSVsv (fh);
1589 req->int1 = fd;
1590 req->int2 = (long)request;
1591 req->sv2 = SvREFCNT_inc (arg);
1592 req->ptr2 = svptr;
1593
1594 REQ_SEND;
1595 }
1596}
1597
1598void
1302aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef) 1599aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1303 ALIAS: 1600 ALIAS:
1304 aio_readlink = EIO_READLINK 1601 aio_readlink = EIO_READLINK
1305 aio_realpath = EIO_REALPATH 1602 aio_realpath = EIO_REALPATH
1306 PPCODE: 1603 PPCODE:
… …
1361 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1658 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1362 1659
1363 REQ_SEND; 1660 REQ_SEND;
1364} 1661}
1365 1662
1663void
1664st_xtime ()
1665 ALIAS:
1666 st_atime = 0x01
1667 st_mtime = 0x02
1668 st_ctime = 0x04
1669 st_btime = 0x08
1670 st_xtime = 0x0f
1671 PPCODE:
1672 EXTEND (SP, 4);
1673 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1674 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1675 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1676 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1677
1678void
1679st_xtimensec ()
1680 ALIAS:
1681 st_atimensec = 0x01
1682 st_mtimensec = 0x02
1683 st_ctimensec = 0x04
1684 st_btimensec = 0x08
1685 st_xtimensec = 0x0f
1686 st_btimesec = 0x10
1687 st_gen = 0x20
1688 PPCODE:
1689 EXTEND (SP, 4);
1690 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1691 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1692 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1693 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1694 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1695 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1696
1366UV 1697UV
1367major (UV dev) 1698major (UV dev)
1368 ALIAS: 1699 ALIAS:
1369 minor = 1 1700 minor = 1
1370 CODE: 1701 CODE:
1371 RETVAL = ix ? major (dev) : minor (dev); 1702 RETVAL = ix ? minor (dev) : major (dev);
1372 OUTPUT: 1703 OUTPUT:
1373 RETVAL 1704 RETVAL
1374 1705
1375UV 1706UV
1376makedev (UV maj, UV min) 1707makedev (UV maj, UV min)
… …
1493 1824
1494 REQ_SEND; 1825 REQ_SEND;
1495} 1826}
1496 1827
1497void 1828void
1829aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1830 PPCODE:
1831{
1832 eio_wd wd2 = 0;
1833 dREQ;
1834
1835 req->type = EIO_RENAME;
1836 req_set_path1 (req, oldpath);
1837 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1838 req->int2 = flags;
1839 req->int3 = (long)wd2;
1840
1841 REQ_SEND;
1842}
1843
1844void
1498aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) 1845aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1499 PPCODE: 1846 PPCODE:
1500{ 1847{
1501 dREQ; 1848 dREQ;
1502 1849
… …
1507 1854
1508 REQ_SEND; 1855 REQ_SEND;
1509} 1856}
1510 1857
1511void 1858void
1512aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef) 1859aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1513 ALIAS: 1860 ALIAS:
1514 aio_mtouch = EIO_MTOUCH 1861 aio_mtouch = EIO_MTOUCH
1515 aio_msync = EIO_MSYNC 1862 aio_msync = EIO_MSYNC
1516 PPCODE: 1863 PPCODE:
1517{ 1864{
1518 STRLEN svlen; 1865 STRLEN svlen;
1519 char *svptr = SvPVbyte (data, svlen); 1866 char *svptr = SvPVbyte (data, svlen);
1520 UV len = SvUV (length); 1867 UV len = SvUV (length);
1868
1869 if (flags < 0)
1870 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1521 1871
1522 if (offset < 0) 1872 if (offset < 0)
1523 offset += svlen; 1873 offset += svlen;
1524 1874
1525 if (offset < 0 || offset > svlen) 1875 if (offset < 0 || offset > svlen)
… …
1601 req->int2 = flags; 1951 req->int2 = flags;
1602 req->int3 = SvOK (count) ? SvIV (count) : -1; 1952 req->int3 = SvOK (count) ? SvIV (count) : -1;
1603#endif 1953#endif
1604 1954
1605 REQ_SEND; 1955 REQ_SEND;
1956}
1957
1958void
1959aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1960 PPCODE:
1961{
1962 char *svptr = 0;
1963
1964 sv_clear_foreign (data);
1965
1966 if (length) /* known length, directly read into scalar */
1967 {
1968 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1969 svptr = sv_grow (data, length + 1);
1970 else if (SvCUR (data) < length)
1971 croak ("length outside of scalar, and cannot grow");
1972 else
1973 svptr = SvPVbyte_nolen (data);
1974 }
1975
1976 {
1977 dREQ;
1978
1979 req->type = EIO_SLURP;
1980 req_set_path1 (req, pathname);
1981 req->offs = offset;
1982 req->size = length;
1983 req->sv2 = SvREFCNT_inc (data);
1984 req->ptr2 = svptr;
1985
1986 if (!SvREADONLY (data))
1987 {
1988 SvREADONLY_on (data);
1989 req->flags |= FLAG_SV2_RO_OFF;
1990 }
1991
1992 REQ_SEND;
1993 }
1606} 1994}
1607 1995
1608void 1996void
1609aio_busy (double delay, SV *callback = &PL_sv_undef) 1997aio_busy (double delay, SV *callback = &PL_sv_undef)
1610 PPCODE: 1998 PPCODE:
… …
1747 RETVAL 2135 RETVAL
1748 2136
1749void 2137void
1750mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) 2138mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1751 PPCODE: 2139 PPCODE:
1752 sv_unmagic (scalar, MMAP_MAGIC); 2140 sv_clear_foreign (scalar);
1753{ 2141{
1754 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2142 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1755 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2143 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1756 if (addr == (void *)-1) 2144 if (addr == (void *)-1)
1757 XSRETURN_NO; 2145 XSRETURN_NO;
1758 2146
1759 sv_force_normal (scalar); 2147 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1760
1761 /* we store the length in mg_obj, as namlen is I32 :/ */
1762 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1763 ->mg_obj = (SV *)length;
1764
1765 SvUPGRADE (scalar, SVt_PV); /* nop... */
1766 2148
1767 if (!(prot & PROT_WRITE)) 2149 if (!(prot & PROT_WRITE))
1768 SvREADONLY_on (scalar); 2150 SvREADONLY_on (scalar);
1769 2151
1770 if (SvLEN (scalar))
1771 Safefree (SvPVX (scalar));
1772
1773 SvPVX (scalar) = (char *)addr;
1774 SvCUR_set (scalar, length);
1775 SvLEN_set (scalar, 0);
1776 SvPOK_only (scalar);
1777
1778 XSRETURN_YES; 2152 XSRETURN_YES;
1779} 2153}
1780 2154
1781void 2155void
1782munmap (SV *scalar) 2156munmap (SV *scalar)
1783 CODE: 2157 CODE:
1784 sv_unmagic (scalar, MMAP_MAGIC); 2158 sv_clear_foreign (scalar);
2159
2160SV *
2161mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2162 CODE:
2163{
2164 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2165 void *new;
2166
2167 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2168 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2169
2170 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2171
2172 RETVAL = &PL_sv_no;
2173
2174 if (new != (void *)-1)
2175 {
2176 RETVAL = new == (void *)mg->mg_ptr
2177 ? newSVpvn ("0 but true", 10)
2178 : &PL_sv_yes;
2179
2180 mg->mg_ptr = (char *)new;
2181 mg->mg_obj = (SV *)new_length;
2182
2183 SvPVX (scalar) = mg->mg_ptr;
2184 SvCUR_set (scalar, new_length);
2185 }
2186}
2187 OUTPUT:
2188 RETVAL
1785 2189
1786int 2190int
1787madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2191madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1788 ALIAS: 2192 ALIAS:
1789 mprotect = 1 2193 mprotect = 1
1790 CODE: 2194 CODE:
1791{ 2195{
1792 STRLEN svlen; 2196 STRLEN svlen;
… …
1813} 2217}
1814 OUTPUT: 2218 OUTPUT:
1815 RETVAL 2219 RETVAL
1816 2220
1817int 2221int
1818munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) 2222munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1819 CODE: 2223 CODE:
1820{ 2224{
1821 STRLEN svlen; 2225 STRLEN svlen;
1822 void *addr = SvPVbyte (scalar, svlen); 2226 void *addr = SvPVbyte (scalar, svlen);
1823 size_t len = SvUV (length); 2227 size_t len = SvUV (length);
… …
1919 { 2323 {
1920 EXTEND (SP, 2); 2324 EXTEND (SP, 2);
1921 PUSHs (newmortalFH (fd[0], O_RDONLY)); 2325 PUSHs (newmortalFH (fd[0], O_RDONLY));
1922 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2326 PUSHs (newmortalFH (fd[1], O_WRONLY));
1923 } 2327 }
2328}
2329
2330void
2331eventfd (unsigned int initval = 0, int flags = 0)
2332 PPCODE:
2333{
2334 int fd;
2335#if HAVE_EVENTFD
2336 fd = eventfd (initval, flags);
2337#else
2338 fd = (errno = ENOSYS, -1);
2339#endif
2340
2341 XPUSHs (newmortalFH (fd, O_RDWR));
2342}
2343
2344void
2345timerfd_create (int clockid, int flags = 0)
2346 PPCODE:
2347{
2348 int fd;
2349#if HAVE_TIMERFD
2350 fd = timerfd_create (clockid, flags);
2351#else
2352 fd = (errno = ENOSYS, -1);
2353#endif
2354
2355 XPUSHs (newmortalFH (fd, O_RDWR));
2356}
2357
2358void
2359timerfd_settime (SV *fh, int flags, NV interval, NV value)
2360 PPCODE:
2361{
2362 int fd = s_fileno_croak (fh, 0);
2363#if HAVE_TIMERFD
2364 int res;
2365 struct itimerspec its, ots;
2366
2367 ts_set (&its.it_interval, interval);
2368 ts_set (&its.it_value , value);
2369 res = timerfd_settime (fd, flags, &its, &ots);
2370
2371 if (!res)
2372 {
2373 EXTEND (SP, 2);
2374 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2375 PUSHs (newSVnv (ts_get (&ots.it_value)));
2376 }
2377#else
2378 errno = ENOSYS;
2379#endif
2380}
2381
2382void
2383timerfd_gettime (SV *fh)
2384 PPCODE:
2385{
2386 int fd = s_fileno_croak (fh, 0);
2387#if HAVE_TIMERFD
2388 int res;
2389 struct itimerspec ots;
2390 res = timerfd_gettime (fd, &ots);
2391
2392 if (!res)
2393 {
2394 EXTEND (SP, 2);
2395 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2396 PUSHs (newSVnv (ts_get (&ots.it_value)));
2397 }
2398#else
2399 errno = ENOSYS;
2400#endif
2401}
2402
2403UV
2404get_fdlimit ()
2405 CODE:
2406#if HAVE_RLIMITS
2407 struct rlimit rl;
2408 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2409 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2410#endif
2411 XSRETURN_UNDEF;
2412 OUTPUT:
2413 RETVAL
2414
2415void
2416min_fdlimit (UV limit = 0x7fffffffU)
2417 CODE:
2418{
2419#if HAVE_RLIMITS
2420 struct rlimit rl;
2421 rlim_t orig_rlim_max;
2422 UV bit;
2423
2424 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2425 goto fail;
2426
2427 if (rl.rlim_cur == RLIM_INFINITY)
2428 XSRETURN_YES;
2429
2430 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2431
2432 if (rl.rlim_cur < limit)
2433 {
2434 rl.rlim_cur = limit;
2435
2436 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2437 rl.rlim_max = rl.rlim_cur;
2438 }
2439
2440 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2441 XSRETURN_YES;
2442
2443 if (errno == EPERM)
2444 {
2445 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2446 /* our limit overflows a system-wide limit */
2447 /* try an adaptive algorithm, but do not lower the hardlimit */
2448 rl.rlim_max = 0;
2449 for (bit = 0x40000000U; bit; bit >>= 1)
2450 {
2451 rl.rlim_max |= bit;
2452 rl.rlim_cur = rl.rlim_max;
2453
2454 /* nevr decrease the hard limit */
2455 if (rl.rlim_max < orig_rlim_max)
2456 break;
2457
2458 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2459 rl.rlim_max &= ~bit; /* too high, remove bit again */
2460 }
2461
2462 /* now, raise the soft limit to the max permitted */
2463 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2464 {
2465 rl.rlim_cur = rl.rlim_max;
2466 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2467 errno = EPERM;
2468 }
2469 }
2470#endif
2471 fail:
2472 XSRETURN_UNDEF;
1924} 2473}
1925 2474
1926void _on_next_submit (SV *cb) 2475void _on_next_submit (SV *cb)
1927 CODE: 2476 CODE:
1928 SvREFCNT_dec (on_next_submit); 2477 SvREFCNT_dec (on_next_submit);

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