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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.252 by root, Sat Jan 6 02:11:10 2018 UTC vs.
Revision 1.267 by root, Sat Aug 25 19:25:32 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>
22
23#if HAVE_SYS_MKDEV_H
24# include <sys/mkdev.h>
25#elif HAVE_SYS_SYSMACROS_H
26# include <sys/sysmacros.h>
27#endif
19 28
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 29#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h> 30# include <sys/mman.h>
22#endif 31#endif
23 32
… …
75 #undef fchmod 84 #undef fchmod
76 #undef dup 85 #undef dup
77 #undef dup2 86 #undef dup2
78 #undef abort 87 #undef abort
79 #undef pipe 88 #undef pipe
89 #undef utime
80 90
81 #define EIO_STRUCT_STAT struct _stati64 91 #define EIO_STRUCT_STAT struct _stati64
82 #define EIO_STRUCT_STATI64 92 #define EIO_STRUCT_STATI64
83 93
84#else 94#else
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 114#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 115#define expect_true(expr) expect ((expr) != 0, 1)
106 116
107/*****************************************************************************/ 117/*****************************************************************************/
108 118
109#include "libeio/config.h" 119#include "config.h"
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
110 161
111#if HAVE_RLIMITS 162#if HAVE_RLIMITS
112 #include <sys/time.h> 163 #include <sys/time.h>
113 #include <sys/resource.h> 164 #include <sys/resource.h>
114#endif 165#endif
… …
151# else 202# else
152# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 203# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
153# endif 204# endif
154#endif 205#endif
155 206
156/* defines all sorts of constants to 0 unless they are already defined */
157/* also provides const_iv_ and const_niv_ macros for them */
158#include "def0.h"
159
160#ifndef makedev 207#ifndef makedev
161# define makedev(maj,min) (((maj) << 8) | (min)) 208# define makedev(maj,min) (((maj) << 8) | (min))
162#endif 209#endif
163#ifndef major 210#ifndef major
164# define major(dev) ((dev) >> 8) 211# define major(dev) ((dev) >> 8)
165#endif 212#endif
166#ifndef minor 213#ifndef minor
167# define minor(dev) ((dev) & 0xff) 214# define minor(dev) ((dev) & 0xff)
168#endif 215#endif
169 216
217/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
218#ifdef __sun
219# undef PAGESIZE
220#endif
221
170#if PAGESIZE <= 0 222#if PAGESIZE <= 0
171# define PAGESIZE sysconf (_SC_PAGESIZE) 223# define PAGESIZE sysconf (_SC_PAGESIZE)
172#endif 224#endif
173 225
174/*****************************************************************************/ 226/*****************************************************************************/
175 227
176#if !_POSIX_MAPPED_FILES 228#if !_POSIX_MAPPED_FILES
177# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () 229# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
178# define munmap(addr,length) EIO_ENOSYS () 230# define munmap(addr,length) EIO_ENOSYS ()
179#endif 231#endif
180 232
181#if !_POSIX_MEMORY_PROTECTION 233#if !_POSIX_MEMORY_PROTECTION
182# define mprotect(addr,len,prot) EIO_ENOSYS () 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)
183#endif 239#endif
184 240
185#define FOREIGN_MAGIC PERL_MAGIC_ext 241#define FOREIGN_MAGIC PERL_MAGIC_ext
186 242
187static int ecb_cold 243static int ecb_cold
… …
259{ 315{
260 /* todo: iterate over magic and only free ours, but of course */ 316 /* todo: iterate over magic and only free ours, but of course */
261 /* the perl5porters will call that (correct) behaviour buggy */ 317 /* the perl5porters will call that (correct) behaviour buggy */
262 sv_unmagic (sv, FOREIGN_MAGIC); 318 sv_unmagic (sv, FOREIGN_MAGIC);
263} 319}
320
321/*****************************************************************************/
322
323/* defines all sorts of constants to 0 unless they are already defined */
324/* also provides const_iv_ and const_niv_ macros for them */
325#include "def0.h"
264 326
265/*****************************************************************************/ 327/*****************************************************************************/
266 328
267static void 329static void
268fiemap (eio_req *req) 330fiemap (eio_req *req)
… …
359 errno = ENOSYS; 421 errno = ENOSYS;
360#endif 422#endif
361} 423}
362 424
363/*****************************************************************************/ 425/*****************************************************************************/
426
427static int close_fd; /* dummy fd to close fds via dup2 */
364 428
365enum { 429enum {
366 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 430 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
367}; 431};
368 432
… …
969 req_set_path1 (req, fh_or_path); 1033 req_set_path1 (req, fh_or_path);
970 break; 1034 break;
971 } 1035 }
972} 1036}
973 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
974XS(boot_IO__AIO) ecb_cold; 1055XS(boot_IO__AIO) ecb_cold;
975 1056
976MODULE = IO::AIO PACKAGE = IO::AIO 1057MODULE = IO::AIO PACKAGE = IO::AIO
977 1058
978PROTOTYPES: ENABLE 1059PROTOTYPES: ENABLE
… …
1009 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) 1090 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1010 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) 1091 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1011 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) 1092 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1012 1093
1013 /* the second block will be 0 when missing */ 1094 /* the second block will be 0 when missing */
1095 const_iv (O_ACCMODE)
1096
1014 const_iv (O_RDONLY) 1097 const_iv (O_RDONLY)
1015 const_iv (O_WRONLY) 1098 const_iv (O_WRONLY)
1016 const_iv (O_RDWR) 1099 const_iv (O_RDWR)
1017 const_iv (O_CREAT) 1100 const_iv (O_CREAT)
1018 const_iv (O_TRUNC) 1101 const_iv (O_TRUNC)
… …
1078 const_iv (MAP_GROWSDOWN) 1161 const_iv (MAP_GROWSDOWN)
1079 const_iv (MAP_32BIT) 1162 const_iv (MAP_32BIT)
1080 const_iv (MAP_HUGETLB) 1163 const_iv (MAP_HUGETLB)
1081 const_iv (MAP_STACK) 1164 const_iv (MAP_STACK)
1082 1165
1166 const_iv (MREMAP_MAYMOVE)
1167 const_iv (MREMAP_FIXED)
1168
1083 const_iv (F_DUPFD_CLOEXEC) 1169 const_iv (F_DUPFD_CLOEXEC)
1170
1171 const_iv (MSG_CMSG_CLOEXEC)
1172 const_iv (SOCK_CLOEXEC)
1084 1173
1085 const_iv (F_OFD_GETLK) 1174 const_iv (F_OFD_GETLK)
1086 const_iv (F_OFD_SETLK) 1175 const_iv (F_OFD_SETLK)
1087 const_iv (F_OFD_GETLKW) 1176 const_iv (F_OFD_GETLKW)
1088 1177
… …
1161 const_iv (SPLICE_F_MOVE) 1250 const_iv (SPLICE_F_MOVE)
1162 const_iv (SPLICE_F_NONBLOCK) 1251 const_iv (SPLICE_F_NONBLOCK)
1163 const_iv (SPLICE_F_MORE) 1252 const_iv (SPLICE_F_MORE)
1164 const_iv (SPLICE_F_GIFT) 1253 const_iv (SPLICE_F_GIFT)
1165 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
1166 /* these are libeio constants, and are independent of gendef0 */ 1271 /* these are libeio constants, and are independent of gendef0 */
1167 const_eio (SEEK_SET) 1272 const_eio (SEEK_SET)
1168 const_eio (SEEK_CUR) 1273 const_eio (SEEK_CUR)
1169 const_eio (SEEK_END) 1274 const_eio (SEEK_END)
1170 1275
… …
1216 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1321 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1217 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1322 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1218 1323
1219 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1324 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1220 1325
1326 /* allocate dummy pipe fd for aio_close */
1327 {
1328 int pipefd [2];
1329
1330 if (
1331#ifdef _WIN32
1332 _pipe (pipefd, 1, _O_BINARY) < 0
1333#else
1334 pipe (pipefd) < 0
1335 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1336#endif
1337 || close (pipefd [1]) < 0
1338 )
1339 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1340
1341 close_fd = pipefd [0];
1342 }
1343
1221 reinit (); 1344 reinit ();
1222} 1345}
1223 1346
1224void 1347void
1225reinit () 1348reinit ()
… …
1347 1470
1348void 1471void
1349aio_close (SV *fh, SV *callback = &PL_sv_undef) 1472aio_close (SV *fh, SV *callback = &PL_sv_undef)
1350 PPCODE: 1473 PPCODE:
1351{ 1474{
1352 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1353 int fd = s_fileno_croak (fh, 0); 1475 int fd = s_fileno_croak (fh, 0);
1354 dREQ; 1476 dREQ;
1355
1356 if (expect_false (close_fd < 0))
1357 {
1358 int pipefd [2];
1359
1360 if (
1361#ifdef _WIN32
1362 _pipe (pipefd, 1, _O_BINARY) < 0
1363#else
1364 pipe (pipefd) < 0
1365 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1366#endif
1367 || close (pipefd [1]) < 0
1368 )
1369 abort (); /*D*/
1370
1371 close_fd = pipefd [0];
1372 }
1373 1477
1374 req->type = EIO_DUP2; 1478 req->type = EIO_DUP2;
1375 req->int1 = close_fd; 1479 req->int1 = close_fd;
1376 req->sv2 = newSVsv (fh); 1480 req->sv2 = newSVsv (fh);
1377 req->int2 = fd; 1481 req->int2 = fd;
… …
1553 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1657 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1554 1658
1555 REQ_SEND; 1659 REQ_SEND;
1556} 1660}
1557 1661
1662void
1663st_xtime ()
1664 ALIAS:
1665 st_atime = 0x01
1666 st_mtime = 0x02
1667 st_ctime = 0x04
1668 st_btime = 0x08
1669 st_xtime = 0x0f
1670 PPCODE:
1671 EXTEND (SP, 4);
1672 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1673 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1674 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1675 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1676
1677void
1678st_xtimensec ()
1679 ALIAS:
1680 st_atimensec = 0x01
1681 st_mtimensec = 0x02
1682 st_ctimensec = 0x04
1683 st_btimensec = 0x08
1684 st_xtimensec = 0x0f
1685 st_btimesec = 0x10
1686 st_gen = 0x20
1687 PPCODE:
1688 EXTEND (SP, 4);
1689 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1690 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1691 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1692 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1693 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1694 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1695
1558UV 1696UV
1559major (UV dev) 1697major (UV dev)
1560 ALIAS: 1698 ALIAS:
1561 minor = 1 1699 minor = 1
1562 CODE: 1700 CODE:
… …
2016void 2154void
2017munmap (SV *scalar) 2155munmap (SV *scalar)
2018 CODE: 2156 CODE:
2019 sv_clear_foreign (scalar); 2157 sv_clear_foreign (scalar);
2020 2158
2159SV *
2160mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2161 CODE:
2162{
2163 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2164 void *new;
2165
2166 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2167 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2168
2169 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2170
2171 RETVAL = &PL_sv_no;
2172
2173 if (new != (void *)-1)
2174 {
2175 RETVAL = new == (void *)mg->mg_ptr
2176 ? newSVpvn ("0 but true", 10)
2177 : &PL_sv_yes;
2178
2179 mg->mg_ptr = (char *)new;
2180 mg->mg_obj = (SV *)new_length;
2181
2182 SvPVX (scalar) = mg->mg_ptr;
2183 SvCUR_set (scalar, new_length);
2184 }
2185}
2186 OUTPUT:
2187 RETVAL
2188
2021int 2189int
2022madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2190madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2023 ALIAS: 2191 ALIAS:
2024 mprotect = 1 2192 mprotect = 1
2025 CODE: 2193 CODE:
2026{ 2194{
2027 STRLEN svlen; 2195 STRLEN svlen;
… …
2048} 2216}
2049 OUTPUT: 2217 OUTPUT:
2050 RETVAL 2218 RETVAL
2051 2219
2052int 2220int
2053munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) 2221munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2054 CODE: 2222 CODE:
2055{ 2223{
2056 STRLEN svlen; 2224 STRLEN svlen;
2057 void *addr = SvPVbyte (scalar, svlen); 2225 void *addr = SvPVbyte (scalar, svlen);
2058 size_t len = SvUV (length); 2226 size_t len = SvUV (length);
… …
2154 { 2322 {
2155 EXTEND (SP, 2); 2323 EXTEND (SP, 2);
2156 PUSHs (newmortalFH (fd[0], O_RDONLY)); 2324 PUSHs (newmortalFH (fd[0], O_RDONLY));
2157 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2325 PUSHs (newmortalFH (fd[1], O_WRONLY));
2158 } 2326 }
2327}
2328
2329void
2330eventfd (unsigned int initval = 0, int flags = 0)
2331 PPCODE:
2332{
2333 int fd;
2334#if HAVE_EVENTFD
2335 fd = eventfd (initval, flags);
2336#else
2337 fd = (errno = ENOSYS, -1);
2338#endif
2339
2340 XPUSHs (newmortalFH (fd, O_RDWR));
2341}
2342
2343void
2344timerfd_create (int clockid, int flags = 0)
2345 PPCODE:
2346{
2347 int fd;
2348#if HAVE_TIMERFD
2349 fd = timerfd_create (clockid, flags);
2350#else
2351 fd = (errno = ENOSYS, -1);
2352#endif
2353
2354 XPUSHs (newmortalFH (fd, O_RDWR));
2355}
2356
2357void
2358timerfd_settime (SV *fh, int flags, NV interval, NV value)
2359 PPCODE:
2360{
2361 int fd = s_fileno_croak (fh, 0);
2362#if HAVE_TIMERFD
2363 int res;
2364 struct itimerspec its, ots;
2365
2366 ts_set (&its.it_interval, interval);
2367 ts_set (&its.it_value , value);
2368 res = timerfd_settime (fd, flags, &its, &ots);
2369
2370 if (!res)
2371 {
2372 EXTEND (SP, 2);
2373 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2374 PUSHs (newSVnv (ts_get (&ots.it_value)));
2375 }
2376#else
2377 errno = ENOSYS;
2378#endif
2379}
2380
2381void
2382timerfd_gettime (SV *fh)
2383 PPCODE:
2384{
2385 int fd = s_fileno_croak (fh, 0);
2386#if HAVE_TIMERFD
2387 int res;
2388 struct itimerspec ots;
2389 res = timerfd_gettime (fd, &ots);
2390
2391 if (!res)
2392 {
2393 EXTEND (SP, 2);
2394 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2395 PUSHs (newSVnv (ts_get (&ots.it_value)));
2396 }
2397#else
2398 errno = ENOSYS;
2399#endif
2159} 2400}
2160 2401
2161UV 2402UV
2162get_fdlimit () 2403get_fdlimit ()
2163 CODE: 2404 CODE:

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