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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.234 by root, Thu Jun 25 15:20:11 2015 UTC vs.
Revision 1.258 by root, Wed Jul 18 00:57:55 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>
… …
21# include <sys/mman.h> 23# include <sys/mman.h>
22#endif 24#endif
23 25
24/* the incompetent fool that created musl keeps __linux__, refuses 26/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test 27 * 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. 28 * for his broken iplementation. don't complain to me if this fails
29 * for you.
27 */ 30 */
28#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) 31#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
29# include <linux/fs.h> 32# include <linux/fs.h>
30# ifdef FS_IOC_FIEMAP 33# ifdef FS_IOC_FIEMAP
31# include <linux/types.h> 34# include <linux/types.h>
… …
103#define expect_false(expr) expect ((expr) != 0, 0) 106#define expect_false(expr) expect ((expr) != 0, 0)
104#define expect_true(expr) expect ((expr) != 0, 1) 107#define expect_true(expr) expect ((expr) != 0, 1)
105 108
106/*****************************************************************************/ 109/*****************************************************************************/
107 110
111#include "libeio/config.h"
112
113#include "schmorp.h"
114
115#if HAVE_EVENTFD
116# include <sys/eventfd.h>
117#endif
118
119#if HAVE_TIMERFD
120# include <sys/timerfd.h>
121#endif
122
123#if HAVE_RLIMITS
124 #include <sys/time.h>
125 #include <sys/resource.h>
126#endif
127
108typedef SV SV8; /* byte-sv, used for argument-checking */ 128typedef SV SV8; /* byte-sv, used for argument-checking */
109typedef int aio_rfd; /* read file desriptor */ 129typedef int aio_rfd; /* read file desriptor */
110typedef int aio_wfd; /* write file descriptor */ 130typedef int aio_wfd; /* write file descriptor */
111 131
112static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; 132static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
… …
118 STRLEN stroffset; \ 138 STRLEN stroffset; \
119 SV *self; 139 SV *self;
120 140
121#define EIO_NO_WRAPPERS 1 141#define EIO_NO_WRAPPERS 1
122 142
123#include "libeio/config.h"
124#include "libeio/eio.h" 143#include "libeio/eio.h"
125 144
126static int req_invoke (eio_req *req); 145static int req_invoke (eio_req *req);
127#define EIO_FINISH(req) req_invoke (req) 146#define EIO_FINISH(req) req_invoke (req)
128static void req_destroy (eio_req *grp); 147static void req_destroy (eio_req *grp);
… …
145# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 164# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
146# endif 165# endif
147#endif 166#endif
148 167
149/* defines all sorts of constants to 0 unless they are already defined */ 168/* defines all sorts of constants to 0 unless they are already defined */
169/* also provides const_iv_ and const_niv_ macros for them */
150#include "def0.h" 170#include "def0.h"
151 171
152#ifndef makedev 172#ifndef makedev
153# define makedev(maj,min) (((maj) << 8) | (min)) 173# define makedev(maj,min) (((maj) << 8) | (min))
154#endif 174#endif
… …
160#endif 180#endif
161 181
162#if PAGESIZE <= 0 182#if PAGESIZE <= 0
163# define PAGESIZE sysconf (_SC_PAGESIZE) 183# define PAGESIZE sysconf (_SC_PAGESIZE)
164#endif 184#endif
185
186/*****************************************************************************/
187
188#if !_POSIX_MAPPED_FILES
189# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
190# define munmap(addr,length) EIO_ENOSYS ()
191#endif
192
193#if !_POSIX_MEMORY_PROTECTION
194# define mprotect(addr,len,prot) EIO_ENOSYS ()
195#endif
196
197#if !MREMAP_MAYMOVE
198# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
199#endif
200
201#define FOREIGN_MAGIC PERL_MAGIC_ext
202
203static int ecb_cold
204mmap_free (pTHX_ SV *sv, MAGIC *mg)
205{
206 int old_errno = errno;
207 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
208 errno = old_errno;
209
210 mg->mg_obj = 0; /* just in case */
211
212 SvREADONLY_off (sv);
213
214 if (SvPVX (sv) != mg->mg_ptr)
215 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
216
217 SvCUR_set (sv, 0);
218 SvPVX (sv) = 0;
219 SvOK_off (sv);
220
221 return 0;
222}
223
224static MGVTBL mmap_vtbl = {
225 0, 0, 0, 0, mmap_free
226};
227
228static int ecb_cold
229sysfree_free (pTHX_ SV *sv, MAGIC *mg)
230{
231 free (mg->mg_ptr);
232 mg->mg_obj = 0; /* just in case */
233
234 SvREADONLY_off (sv);
235
236 if (SvPVX (sv) != mg->mg_ptr)
237 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
238
239 SvCUR_set (sv, 0);
240 SvPVX (sv) = 0;
241 SvOK_off (sv);
242
243 return 0;
244}
245
246static MGVTBL sysfree_vtbl = {
247 0, 0, 0, 0, sysfree_free
248};
249
250/*****************************************************************************/
251
252/* helper: set scalar to foreign ptr with custom free */
253static void
254sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
255{
256 sv_force_normal (sv);
257
258 /* we store the length in mg_obj, as namlen is I32 :/ */
259 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
260 ->mg_obj = (SV *)length;
261
262 SvUPGRADE (sv, SVt_PV); /* nop... */
263
264 if (SvLEN (sv))
265 Safefree (SvPVX (sv));
266
267 SvPVX (sv) = (char *)addr;
268 SvCUR_set (sv, length);
269 SvLEN_set (sv, 0);
270 SvPOK_only (sv);
271}
272
273static void
274sv_clear_foreign (SV *sv)
275{
276 /* todo: iterate over magic and only free ours, but of course */
277 /* the perl5porters will call that (correct) behaviour buggy */
278 sv_unmagic (sv, FOREIGN_MAGIC);
279}
165 280
166/*****************************************************************************/ 281/*****************************************************************************/
167 282
168static void 283static void
169fiemap (eio_req *req) 284fiemap (eio_req *req)
… …
589 SvSETMAGIC (req->sv2); 704 SvSETMAGIC (req->sv2);
590 PUSHs (sv_result); 705 PUSHs (sv_result);
591 } 706 }
592 break; 707 break;
593 708
709 case EIO_SLURP:
710 {
711 if (req->result >= 0)
712 {
713 /* if length was originally not known, we steal the malloc'ed memory */
714 if (req->flags & EIO_FLAG_PTR2_FREE)
715 {
716 req->flags &= ~EIO_FLAG_PTR2_FREE;
717 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
718 }
719 else
720 {
721 SvCUR_set (req->sv2, req->result);
722 *SvEND (req->sv2) = 0;
723 SvPOK_only (req->sv2);
724 }
725
726 SvSETMAGIC (req->sv2);
727 }
728
729 PUSHs (sv_result);
730 }
731 break;
732
594 case EIO_CUSTOM: 733 case EIO_CUSTOM:
595 if (req->feed == fiemap) 734 if (req->feed == fiemap)
596 { 735 {
597#if HAVE_FIEMAP 736#if HAVE_FIEMAP
598 if (!req->result) 737 if (!req->result)
… …
703{ 842{
704 while (eio_nreqs ()) 843 while (eio_nreqs ())
705 { 844 {
706 int size; 845 int size;
707 846
708 X_LOCK (reslock); 847 X_LOCK (EIO_POOL->reslock);
709 size = res_queue.size; 848 size = EIO_POOL->res_queue.size;
710 X_UNLOCK (reslock); 849 X_UNLOCK (EIO_POOL->reslock);
711 850
712 if (size) 851 if (size)
713 return; 852 return;
714 853
715 etp_maybe_start_thread (); 854 etp_maybe_start_thread (EIO_POOL);
716 855
717 s_epipe_wait (&respipe); 856 s_epipe_wait (&respipe);
718 } 857 }
719} 858}
720 859
… …
741 create_respipe (); 880 create_respipe ();
742 881
743 if (eio_init (want_poll, done_poll) < 0) 882 if (eio_init (want_poll, done_poll) < 0)
744 croak ("IO::AIO: unable to initialise eio library"); 883 croak ("IO::AIO: unable to initialise eio library");
745} 884}
746
747/*****************************************************************************/
748
749#if !_POSIX_MAPPED_FILES
750# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
751# define munmap(addr,length) EIO_ENOSYS ()
752#endif
753
754#if !_POSIX_MEMORY_PROTECTION
755# define mprotect(addr,len,prot) EIO_ENOSYS ()
756# define PROT_NONE 0
757# define PROT_WRITE 0
758# define MAP_PRIVATE 0
759# define MAP_SHARED 0
760# define MAP_FIXED 0
761#endif
762
763#define MMAP_MAGIC PERL_MAGIC_ext
764
765static int ecb_cold
766mmap_free (pTHX_ SV *sv, MAGIC *mg)
767{
768 int old_errno = errno;
769 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
770 errno = old_errno;
771
772 mg->mg_obj = 0; /* just in case */
773
774 SvREADONLY_off (sv);
775
776 if (SvPVX (sv) != mg->mg_ptr)
777 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
778
779 SvCUR_set (sv, 0);
780 SvPVX (sv) = 0;
781 SvOK_off (sv);
782
783 return 0;
784}
785
786static MGVTBL mmap_vtbl = {
787 0, 0, 0, 0, mmap_free
788};
789 885
790/*****************************************************************************/ 886/*****************************************************************************/
791 887
792static SV * 888static SV *
793get_cb (SV *cb_sv) 889get_cb (SV *cb_sv)
… …
889 req_set_path1 (req, fh_or_path); 985 req_set_path1 (req, fh_or_path);
890 break; 986 break;
891 } 987 }
892} 988}
893 989
990/*****************************************************************************/
991
992static void
993ts_set (struct timespec *ts, NV value)
994{
995 ts->tv_sec = value;
996 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
997}
998
999static NV
1000ts_get (const struct timespec *ts)
1001{
1002 return ts->tv_sec + ts->tv_nsec * 1e-9;
1003}
1004
1005/*****************************************************************************/
1006
894XS(boot_IO__AIO) ecb_cold; 1007XS(boot_IO__AIO) ecb_cold;
895 1008
896MODULE = IO::AIO PACKAGE = IO::AIO 1009MODULE = IO::AIO PACKAGE = IO::AIO
897 1010
898PROTOTYPES: ENABLE 1011PROTOTYPES: ENABLE
… …
905 } *civ, const_iv[] = { 1018 } *civ, const_iv[] = {
906# define const_niv(name, value) { # name, (IV) value }, 1019# define const_niv(name, value) { # name, (IV) value },
907# define const_iv(name) { # name, (IV) name }, 1020# define const_iv(name) { # name, (IV) name },
908# define const_eio(name) { # name, (IV) EIO_ ## name }, 1021# define const_eio(name) { # name, (IV) EIO_ ## name },
909 1022
910 /* you have to re-run ./gendef0 after adding/Removing any constants here */ 1023 /* you have to re-run ./gendef0 after adding/removing any constants here */
911 1024 /* the first block can be undef if missing */
912 const_iv (ENOSYS) 1025 const_iv (ENOSYS)
913 const_iv (EXDEV) 1026 const_iv (EXDEV)
914 const_iv (EBADR) 1027 const_iv (EBADR)
915 1028
1029 /* for lseek */
1030 const_iv (SEEK_DATA)
1031 const_iv (SEEK_HOLE)
1032
1033 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1034 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1035 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1036 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1037 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1038 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1039
1040 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1041 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1042 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1043 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1044 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1045
1046 /* the second block will be 0 when missing */
916 const_iv (O_RDONLY) 1047 const_iv (O_RDONLY)
917 const_iv (O_WRONLY) 1048 const_iv (O_WRONLY)
918 const_iv (O_RDWR) 1049 const_iv (O_RDWR)
919 const_iv (O_CREAT) 1050 const_iv (O_CREAT)
920 const_iv (O_TRUNC) 1051 const_iv (O_TRUNC)
… …
947 const_iv (S_IFDIR) 1078 const_iv (S_IFDIR)
948 const_iv (S_IFWHT) 1079 const_iv (S_IFWHT)
949 const_iv (S_IFSOCK) 1080 const_iv (S_IFSOCK)
950 const_iv (S_IFMT) 1081 const_iv (S_IFMT)
951 1082
952 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
953 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
954 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
955 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
956 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
957 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
958
959 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
960 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
961 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
962 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
963 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
964
965 const_iv (ST_RDONLY) 1083 const_iv (ST_RDONLY)
966 const_iv (ST_NOSUID) 1084 const_iv (ST_NOSUID)
967 const_iv (ST_NODEV) 1085 const_iv (ST_NODEV)
968 const_iv (ST_NOEXEC) 1086 const_iv (ST_NOEXEC)
969 const_iv (ST_SYNCHRONOUS) 1087 const_iv (ST_SYNCHRONOUS)
… …
978 const_iv (PROT_NONE) 1096 const_iv (PROT_NONE)
979 const_iv (PROT_EXEC) 1097 const_iv (PROT_EXEC)
980 const_iv (PROT_READ) 1098 const_iv (PROT_READ)
981 const_iv (PROT_WRITE) 1099 const_iv (PROT_WRITE)
982 1100
983 /*const_iv (MAP_FIXED)*/
984 const_iv (MAP_PRIVATE) 1101 const_iv (MAP_PRIVATE)
985 const_iv (MAP_SHARED) 1102 const_iv (MAP_SHARED)
1103 const_iv (MAP_FIXED)
986 const_iv (MAP_ANONYMOUS) 1104 const_iv (MAP_ANONYMOUS)
987 1105
988 /* linuxish */ 1106 /* linuxish */
989 const_iv (MAP_HUGETLB)
990 const_iv (MAP_LOCKED) 1107 const_iv (MAP_LOCKED)
991 const_iv (MAP_NORESERVE) 1108 const_iv (MAP_NORESERVE)
992 const_iv (MAP_POPULATE) 1109 const_iv (MAP_POPULATE)
993 const_iv (MAP_NONBLOCK) 1110 const_iv (MAP_NONBLOCK)
1111 const_iv (MAP_GROWSDOWN)
1112 const_iv (MAP_32BIT)
1113 const_iv (MAP_HUGETLB)
1114 const_iv (MAP_STACK)
1115
1116 const_iv (MREMAP_MAYMOVE)
1117 const_iv (MREMAP_FIXED)
1118
1119 const_iv (F_DUPFD_CLOEXEC)
1120
1121 const_iv (F_OFD_GETLK)
1122 const_iv (F_OFD_SETLK)
1123 const_iv (F_OFD_GETLKW)
1124
1125 const_iv (FIFREEZE)
1126 const_iv (FITHAW)
1127 const_iv (FITRIM)
1128 const_iv (FICLONE)
1129 const_iv (FICLONERANGE)
1130 const_iv (FIDEDUPERANGE)
1131
1132 const_iv (FS_IOC_GETFLAGS)
1133 const_iv (FS_IOC_SETFLAGS)
1134 const_iv (FS_IOC_GETVERSION)
1135 const_iv (FS_IOC_SETVERSION)
1136 const_iv (FS_IOC_FIEMAP)
1137 const_iv (FS_IOC_FSGETXATTR)
1138 const_iv (FS_IOC_FSSETXATTR)
1139 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1140 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1141 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1142
1143 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1144
1145 const_iv (FS_SECRM_FL)
1146 const_iv (FS_UNRM_FL)
1147 const_iv (FS_COMPR_FL)
1148 const_iv (FS_SYNC_FL)
1149 const_iv (FS_IMMUTABLE_FL)
1150 const_iv (FS_APPEND_FL)
1151 const_iv (FS_NODUMP_FL)
1152 const_iv (FS_NOATIME_FL)
1153 const_iv (FS_DIRTY_FL)
1154 const_iv (FS_COMPRBLK_FL)
1155 const_iv (FS_NOCOMP_FL)
1156 const_iv (FS_ENCRYPT_FL)
1157 const_iv (FS_BTREE_FL)
1158 const_iv (FS_INDEX_FL)
1159 const_iv (FS_JOURNAL_DATA_FL)
1160 const_iv (FS_NOTAIL_FL)
1161 const_iv (FS_DIRSYNC_FL)
1162 const_iv (FS_TOPDIR_FL)
1163 const_iv (FS_FL_USER_MODIFIABLE)
1164
1165 const_iv (FS_XFLAG_REALTIME)
1166 const_iv (FS_XFLAG_PREALLOC)
1167 const_iv (FS_XFLAG_IMMUTABLE)
1168 const_iv (FS_XFLAG_APPEND)
1169 const_iv (FS_XFLAG_SYNC)
1170 const_iv (FS_XFLAG_NOATIME)
1171 const_iv (FS_XFLAG_NODUMP)
1172 const_iv (FS_XFLAG_RTINHERIT)
1173 const_iv (FS_XFLAG_PROJINHERIT)
1174 const_iv (FS_XFLAG_NOSYMLINKS)
1175 const_iv (FS_XFLAG_EXTSIZE)
1176 const_iv (FS_XFLAG_EXTSZINHERIT)
1177 const_iv (FS_XFLAG_NODEFRAG)
1178 const_iv (FS_XFLAG_FILESTREAM)
1179 const_iv (FS_XFLAG_DAX)
1180 const_iv (FS_XFLAG_HASATTR)
994 1181
995 const_iv (FIEMAP_FLAG_SYNC) 1182 const_iv (FIEMAP_FLAG_SYNC)
996 const_iv (FIEMAP_FLAG_XATTR) 1183 const_iv (FIEMAP_FLAG_XATTR)
997 const_iv (FIEMAP_FLAGS_COMPAT) 1184 const_iv (FIEMAP_FLAGS_COMPAT)
998 const_iv (FIEMAP_EXTENT_LAST) 1185 const_iv (FIEMAP_EXTENT_LAST)
… …
1010 const_iv (SPLICE_F_MOVE) 1197 const_iv (SPLICE_F_MOVE)
1011 const_iv (SPLICE_F_NONBLOCK) 1198 const_iv (SPLICE_F_NONBLOCK)
1012 const_iv (SPLICE_F_MORE) 1199 const_iv (SPLICE_F_MORE)
1013 const_iv (SPLICE_F_GIFT) 1200 const_iv (SPLICE_F_GIFT)
1014 1201
1015 const_iv (SEEK_DATA) 1202 const_iv (EFD_CLOEXEC)
1203 const_iv (EFD_NONBLOCK)
1016 const_iv (SEEK_HOLE) 1204 const_iv (EFD_SEMAPHORE)
1017 1205
1018 /* libeio constants */ 1206 const_iv (CLOCK_REALTIME)
1207 const_iv (CLOCK_MONOTONIC)
1208 const_iv (CLOCK_BOOTTIME)
1209 const_iv (CLOCK_REALTIME_ALARM)
1210 const_iv (CLOCK_BOOTTIME_ALARM)
1211
1212 const_iv (TFD_NONBLOCK)
1213 const_iv (TFD_CLOEXEC)
1214
1215 const_iv (TFD_TIMER_ABSTIME)
1216 const_iv (TFD_TIMER_CANCEL_ON_SET)
1217
1218 /* these are libeio constants, and are independent of gendef0 */
1019 const_eio (SEEK_SET) 1219 const_eio (SEEK_SET)
1020 const_eio (SEEK_CUR) 1220 const_eio (SEEK_CUR)
1021 const_eio (SEEK_END) 1221 const_eio (SEEK_END)
1022 1222
1023 const_eio (MCL_FUTURE) 1223 const_eio (MCL_FUTURE)
… …
1035 1235
1036 const_eio (FALLOC_FL_KEEP_SIZE) 1236 const_eio (FALLOC_FL_KEEP_SIZE)
1037 const_eio (FALLOC_FL_PUNCH_HOLE) 1237 const_eio (FALLOC_FL_PUNCH_HOLE)
1038 const_eio (FALLOC_FL_COLLAPSE_RANGE) 1238 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1039 const_eio (FALLOC_FL_ZERO_RANGE) 1239 const_eio (FALLOC_FL_ZERO_RANGE)
1240 const_eio (FALLOC_FL_INSERT_RANGE)
1241 const_eio (FALLOC_FL_UNSHARE_RANGE)
1242
1243 const_eio (RENAME_NOREPLACE)
1244 const_eio (RENAME_EXCHANGE)
1245 const_eio (RENAME_WHITEOUT)
1040 1246
1041 const_eio (READDIR_DENTS) 1247 const_eio (READDIR_DENTS)
1042 const_eio (READDIR_DIRS_FIRST) 1248 const_eio (READDIR_DIRS_FIRST)
1043 const_eio (READDIR_STAT_ORDER) 1249 const_eio (READDIR_STAT_ORDER)
1044 const_eio (READDIR_FOUND_UNKNOWN) 1250 const_eio (READDIR_FOUND_UNKNOWN)
… …
1295 REQ_SEND; 1501 REQ_SEND;
1296 } 1502 }
1297} 1503}
1298 1504
1299void 1505void
1506aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1507 ALIAS:
1508 aio_ioctl = EIO_IOCTL
1509 aio_fcntl = EIO_FCNTL
1510 PPCODE:
1511{
1512 int fd = s_fileno_croak (fh, 0);
1513 char *svptr;
1514
1515 if (SvPOK (arg) || !SvNIOK (arg))
1516 {
1517 STRLEN svlen;
1518 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1519#ifdef IOCPARM_LEN
1520 STRLEN need = IOCPARM_LEN (request);
1521#else
1522 STRLEN need = 256;
1523#endif
1524
1525 if (svlen < need)
1526 svptr = SvGROW (arg, need);
1527 }
1528 else
1529 svptr = (char *)SvIV (arg);
1530
1531 {
1532 dREQ;
1533
1534 req->type = ix;
1535 req->sv1 = newSVsv (fh);
1536 req->int1 = fd;
1537 req->int2 = (long)request;
1538 req->sv2 = SvREFCNT_inc (arg);
1539 req->ptr2 = svptr;
1540
1541 REQ_SEND;
1542 }
1543}
1544
1545void
1300aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef) 1546aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1301 ALIAS: 1547 ALIAS:
1302 aio_readlink = EIO_READLINK 1548 aio_readlink = EIO_READLINK
1303 aio_realpath = EIO_REALPATH 1549 aio_realpath = EIO_REALPATH
1304 PPCODE: 1550 PPCODE:
… …
1364UV 1610UV
1365major (UV dev) 1611major (UV dev)
1366 ALIAS: 1612 ALIAS:
1367 minor = 1 1613 minor = 1
1368 CODE: 1614 CODE:
1369 RETVAL = ix ? major (dev) : minor (dev); 1615 RETVAL = ix ? minor (dev) : major (dev);
1370 OUTPUT: 1616 OUTPUT:
1371 RETVAL 1617 RETVAL
1372 1618
1373UV 1619UV
1374makedev (UV maj, UV min) 1620makedev (UV maj, UV min)
… …
1491 1737
1492 REQ_SEND; 1738 REQ_SEND;
1493} 1739}
1494 1740
1495void 1741void
1742aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1743 PPCODE:
1744{
1745 eio_wd wd2 = 0;
1746 dREQ;
1747
1748 req->type = EIO_RENAME;
1749 req_set_path1 (req, oldpath);
1750 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1751 req->int2 = flags;
1752 req->int3 = (long)wd2;
1753
1754 REQ_SEND;
1755}
1756
1757void
1496aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) 1758aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1497 PPCODE: 1759 PPCODE:
1498{ 1760{
1499 dREQ; 1761 dREQ;
1500 1762
… …
1505 1767
1506 REQ_SEND; 1768 REQ_SEND;
1507} 1769}
1508 1770
1509void 1771void
1510aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef) 1772aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1511 ALIAS: 1773 ALIAS:
1512 aio_mtouch = EIO_MTOUCH 1774 aio_mtouch = EIO_MTOUCH
1513 aio_msync = EIO_MSYNC 1775 aio_msync = EIO_MSYNC
1514 PPCODE: 1776 PPCODE:
1515{ 1777{
1516 STRLEN svlen; 1778 STRLEN svlen;
1517 char *svptr = SvPVbyte (data, svlen); 1779 char *svptr = SvPVbyte (data, svlen);
1518 UV len = SvUV (length); 1780 UV len = SvUV (length);
1781
1782 if (flags < 0)
1783 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1519 1784
1520 if (offset < 0) 1785 if (offset < 0)
1521 offset += svlen; 1786 offset += svlen;
1522 1787
1523 if (offset < 0 || offset > svlen) 1788 if (offset < 0 || offset > svlen)
… …
1599 req->int2 = flags; 1864 req->int2 = flags;
1600 req->int3 = SvOK (count) ? SvIV (count) : -1; 1865 req->int3 = SvOK (count) ? SvIV (count) : -1;
1601#endif 1866#endif
1602 1867
1603 REQ_SEND; 1868 REQ_SEND;
1869}
1870
1871void
1872aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1873 PPCODE:
1874{
1875 char *svptr = 0;
1876
1877 sv_clear_foreign (data);
1878
1879 if (length) /* known length, directly read into scalar */
1880 {
1881 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1882 svptr = sv_grow (data, length + 1);
1883 else if (SvCUR (data) < length)
1884 croak ("length outside of scalar, and cannot grow");
1885 else
1886 svptr = SvPVbyte_nolen (data);
1887 }
1888
1889 {
1890 dREQ;
1891
1892 req->type = EIO_SLURP;
1893 req_set_path1 (req, pathname);
1894 req->offs = offset;
1895 req->size = length;
1896 req->sv2 = SvREFCNT_inc (data);
1897 req->ptr2 = svptr;
1898
1899 if (!SvREADONLY (data))
1900 {
1901 SvREADONLY_on (data);
1902 req->flags |= FLAG_SV2_RO_OFF;
1903 }
1904
1905 REQ_SEND;
1906 }
1604} 1907}
1605 1908
1606void 1909void
1607aio_busy (double delay, SV *callback = &PL_sv_undef) 1910aio_busy (double delay, SV *callback = &PL_sv_undef)
1608 PPCODE: 1911 PPCODE:
… …
1745 RETVAL 2048 RETVAL
1746 2049
1747void 2050void
1748mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) 2051mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1749 PPCODE: 2052 PPCODE:
1750 sv_unmagic (scalar, MMAP_MAGIC); 2053 sv_clear_foreign (scalar);
1751{ 2054{
1752 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2055 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1753 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2056 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1754 if (addr == (void *)-1) 2057 if (addr == (void *)-1)
1755 XSRETURN_NO; 2058 XSRETURN_NO;
1756 2059
1757 sv_force_normal (scalar); 2060 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1758
1759 /* we store the length in mg_obj, as namlen is I32 :/ */
1760 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1761 ->mg_obj = (SV *)length;
1762
1763 SvUPGRADE (scalar, SVt_PV); /* nop... */
1764 2061
1765 if (!(prot & PROT_WRITE)) 2062 if (!(prot & PROT_WRITE))
1766 SvREADONLY_on (scalar); 2063 SvREADONLY_on (scalar);
1767 2064
1768 if (SvLEN (scalar))
1769 Safefree (SvPVX (scalar));
1770
1771 SvPVX (scalar) = (char *)addr;
1772 SvCUR_set (scalar, length);
1773 SvLEN_set (scalar, 0);
1774 SvPOK_only (scalar);
1775
1776 XSRETURN_YES; 2065 XSRETURN_YES;
1777} 2066}
1778 2067
1779void 2068void
1780munmap (SV *scalar) 2069munmap (SV *scalar)
1781 CODE: 2070 CODE:
1782 sv_unmagic (scalar, MMAP_MAGIC); 2071 sv_clear_foreign (scalar);
2072
2073SV *
2074mremap (SV *scalar, STRLEN new_length, int flags = 0, IV new_address = 0)
2075 CODE:
2076{
2077 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2078 void *new;
2079
2080 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2081 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2082
2083 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2084
2085 RETVAL = &PL_sv_no;
2086
2087 if (new != (void *)-1)
2088 {
2089 RETVAL = new == (void *)mg->mg_ptr
2090 ? newSVpvn ("0 but true", 10)
2091 : &PL_sv_yes;
2092
2093 mg->mg_ptr = (char *)new;
2094 mg->mg_obj = (SV *)new_length;
2095
2096 SvPVX (scalar) = mg->mg_ptr;
2097 SvCUR_set (scalar, new_length);
2098 }
2099}
2100 OUTPUT:
2101 RETVAL
1783 2102
1784int 2103int
1785madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2104madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1786 ALIAS: 2105 ALIAS:
1787 mprotect = 1 2106 mprotect = 1
… …
1917 { 2236 {
1918 EXTEND (SP, 2); 2237 EXTEND (SP, 2);
1919 PUSHs (newmortalFH (fd[0], O_RDONLY)); 2238 PUSHs (newmortalFH (fd[0], O_RDONLY));
1920 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2239 PUSHs (newmortalFH (fd[1], O_WRONLY));
1921 } 2240 }
2241}
2242
2243void
2244eventfd (unsigned int initval = 0, int flags = 0)
2245 PPCODE:
2246{
2247 int fd;
2248#if HAVE_EVENTFD
2249 fd = eventfd (initval, flags);
2250#else
2251 fd = (errno = ENOSYS, -1);
2252#endif
2253
2254 XPUSHs (newmortalFH (fd, O_RDWR));
2255}
2256
2257void
2258timerfd_create (int clockid, int flags = 0)
2259 PPCODE:
2260{
2261 int fd;
2262#if HAVE_TIMERFD
2263 fd = timerfd_create (clockid, flags);
2264#else
2265 fd = (errno = ENOSYS, -1);
2266#endif
2267
2268 XPUSHs (newmortalFH (fd, O_RDWR));
2269}
2270
2271void
2272timerfd_settime (SV *fh, int flags, NV interval, NV value)
2273 PPCODE:
2274{
2275 int fd = s_fileno_croak (fh, 0);
2276#if HAVE_TIMERFD
2277 int res;
2278 struct itimerspec its, ots;
2279
2280 ts_set (&its.it_interval, interval);
2281 ts_set (&its.it_value , value);
2282 res = timerfd_settime (fd, flags, &its, &ots);
2283
2284 if (!res)
2285 {
2286 EXTEND (SP, 2);
2287 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2288 PUSHs (newSVnv (ts_get (&ots.it_value)));
2289 }
2290#else
2291 errno = ENOSYS;
2292#endif
2293}
2294
2295void
2296timerfd_gettime (SV *fh)
2297 PPCODE:
2298{
2299 int fd = s_fileno_croak (fh, 0);
2300#if HAVE_TIMERFD
2301 int res;
2302 struct itimerspec ots;
2303 res = timerfd_gettime (fd, &ots);
2304
2305 if (!res)
2306 {
2307 EXTEND (SP, 2);
2308 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2309 PUSHs (newSVnv (ts_get (&ots.it_value)));
2310 }
2311#else
2312 errno = ENOSYS;
2313#endif
2314}
2315
2316UV
2317get_fdlimit ()
2318 CODE:
2319#if HAVE_RLIMITS
2320 struct rlimit rl;
2321 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2322 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2323#endif
2324 XSRETURN_UNDEF;
2325 OUTPUT:
2326 RETVAL
2327
2328void
2329min_fdlimit (UV limit = 0x7fffffffU)
2330 CODE:
2331{
2332#if HAVE_RLIMITS
2333 struct rlimit rl;
2334 rlim_t orig_rlim_max;
2335 UV bit;
2336
2337 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2338 goto fail;
2339
2340 if (rl.rlim_cur == RLIM_INFINITY)
2341 XSRETURN_YES;
2342
2343 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2344
2345 if (rl.rlim_cur < limit)
2346 {
2347 rl.rlim_cur = limit;
2348
2349 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2350 rl.rlim_max = rl.rlim_cur;
2351 }
2352
2353 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2354 XSRETURN_YES;
2355
2356 if (errno == EPERM)
2357 {
2358 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2359 /* our limit overflows a system-wide limit */
2360 /* try an adaptive algorithm, but do not lower the hardlimit */
2361 rl.rlim_max = 0;
2362 for (bit = 0x40000000U; bit; bit >>= 1)
2363 {
2364 rl.rlim_max |= bit;
2365 rl.rlim_cur = rl.rlim_max;
2366
2367 /* nevr decrease the hard limit */
2368 if (rl.rlim_max < orig_rlim_max)
2369 break;
2370
2371 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2372 rl.rlim_max &= ~bit; /* too high, remove bit again */
2373 }
2374
2375 /* now, raise the soft limit to the max permitted */
2376 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2377 {
2378 rl.rlim_cur = rl.rlim_max;
2379 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2380 errno = EPERM;
2381 }
2382 }
2383#endif
2384 fail:
2385 XSRETURN_UNDEF;
1922} 2386}
1923 2387
1924void _on_next_submit (SV *cb) 2388void _on_next_submit (SV *cb)
1925 CODE: 2389 CODE:
1926 SvREFCNT_dec (on_next_submit); 2390 SvREFCNT_dec (on_next_submit);

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