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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.253 by root, Tue Feb 20 04:32:59 2018 UTC vs.
Revision 1.271 by root, Fri Dec 28 12:43:00 2018 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
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h>
22#endif
23 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. don't complain to me if this fails 26 * for his broken iplementation. don't complain to me if this fails
27 * for you. 27 * for you.
… …
75 #undef fchmod 75 #undef fchmod
76 #undef dup 76 #undef dup
77 #undef dup2 77 #undef dup2
78 #undef abort 78 #undef abort
79 #undef pipe 79 #undef pipe
80 #undef utime
80 81
81 #define EIO_STRUCT_STAT struct _stati64 82 #define EIO_STRUCT_STAT struct _stati64
82 #define EIO_STRUCT_STATI64 83 #define EIO_STRUCT_STATI64
83 84
84#else 85#else
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 105#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 106#define expect_true(expr) expect ((expr) != 0, 1)
106 107
107/*****************************************************************************/ 108/*****************************************************************************/
108 109
109#include "libeio/config.h" 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"
110 154
111#if HAVE_EVENTFD 155#if HAVE_EVENTFD
112# include <sys/eventfd.h> 156# include <sys/eventfd.h>
157#endif
158
159#if HAVE_TIMERFD
160# include <sys/timerfd.h>
113#endif 161#endif
114 162
115#if HAVE_RLIMITS 163#if HAVE_RLIMITS
116 #include <sys/time.h> 164 #include <sys/time.h>
117 #include <sys/resource.h> 165 #include <sys/resource.h>
… …
155# else 203# else
156# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 204# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
157# endif 205# endif
158#endif 206#endif
159 207
160/* defines all sorts of constants to 0 unless they are already defined */
161/* also provides const_iv_ and const_niv_ macros for them */
162#include "def0.h"
163
164#ifndef makedev 208#ifndef makedev
165# define makedev(maj,min) (((maj) << 8) | (min)) 209# define makedev(maj,min) (((maj) << 8) | (min))
166#endif 210#endif
167#ifndef major 211#ifndef major
168# define major(dev) ((dev) >> 8) 212# define major(dev) ((dev) >> 8)
169#endif 213#endif
170#ifndef minor 214#ifndef minor
171# define minor(dev) ((dev) & 0xff) 215# define minor(dev) ((dev) & 0xff)
172#endif 216#endif
173 217
218/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
219#ifdef __sun
220# undef PAGESIZE
221#endif
222
174#if PAGESIZE <= 0 223#if PAGESIZE <= 0
175# define PAGESIZE sysconf (_SC_PAGESIZE) 224# define PAGESIZE sysconf (_SC_PAGESIZE)
176#endif 225#endif
177 226
178/*****************************************************************************/ 227/*****************************************************************************/
179 228
180#if !_POSIX_MAPPED_FILES 229#if !_POSIX_MAPPED_FILES
181# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () 230# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
182# define munmap(addr,length) EIO_ENOSYS () 231# define munmap(addr,length) EIO_ENOSYS ()
183#endif 232#endif
184 233
185#if !_POSIX_MEMORY_PROTECTION 234#if !_POSIX_MEMORY_PROTECTION
186# define mprotect(addr,len,prot) EIO_ENOSYS () 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)
187#endif 240#endif
188 241
189#define FOREIGN_MAGIC PERL_MAGIC_ext 242#define FOREIGN_MAGIC PERL_MAGIC_ext
190 243
191static int ecb_cold 244static int ecb_cold
… …
263{ 316{
264 /* todo: iterate over magic and only free ours, but of course */ 317 /* todo: iterate over magic and only free ours, but of course */
265 /* the perl5porters will call that (correct) behaviour buggy */ 318 /* the perl5porters will call that (correct) behaviour buggy */
266 sv_unmagic (sv, FOREIGN_MAGIC); 319 sv_unmagic (sv, FOREIGN_MAGIC);
267} 320}
321
322/*****************************************************************************/
323
324/* defines all sorts of constants to 0 unless they are already defined */
325/* also provides const_iv_ and const_niv_ macros for them */
326#include "def0.h"
268 327
269/*****************************************************************************/ 328/*****************************************************************************/
270 329
271static void 330static void
272fiemap (eio_req *req) 331fiemap (eio_req *req)
… …
363 errno = ENOSYS; 422 errno = ENOSYS;
364#endif 423#endif
365} 424}
366 425
367/*****************************************************************************/ 426/*****************************************************************************/
427
428static int close_fd; /* dummy fd to close fds via dup2 */
368 429
369enum { 430enum {
370 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 431 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
371}; 432};
372 433
… …
973 req_set_path1 (req, fh_or_path); 1034 req_set_path1 (req, fh_or_path);
974 break; 1035 break;
975 } 1036 }
976} 1037}
977 1038
1039/*****************************************************************************/
1040
1041static void
1042ts_set (struct timespec *ts, NV value)
1043{
1044 ts->tv_sec = value;
1045 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1046}
1047
1048static NV
1049ts_get (const struct timespec *ts)
1050{
1051 return ts->tv_sec + ts->tv_nsec * 1e-9;
1052}
1053
1054/*****************************************************************************/
1055
978XS(boot_IO__AIO) ecb_cold; 1056XS(boot_IO__AIO) ecb_cold;
979 1057
980MODULE = IO::AIO PACKAGE = IO::AIO 1058MODULE = IO::AIO PACKAGE = IO::AIO
981 1059
982PROTOTYPES: ENABLE 1060PROTOTYPES: ENABLE
… …
1013 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) 1091 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1014 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) 1092 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1015 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) 1093 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1016 1094
1017 /* the second block will be 0 when missing */ 1095 /* the second block will be 0 when missing */
1096 const_iv (O_ACCMODE)
1097
1018 const_iv (O_RDONLY) 1098 const_iv (O_RDONLY)
1019 const_iv (O_WRONLY) 1099 const_iv (O_WRONLY)
1020 const_iv (O_RDWR) 1100 const_iv (O_RDWR)
1021 const_iv (O_CREAT) 1101 const_iv (O_CREAT)
1022 const_iv (O_TRUNC) 1102 const_iv (O_TRUNC)
… …
1082 const_iv (MAP_GROWSDOWN) 1162 const_iv (MAP_GROWSDOWN)
1083 const_iv (MAP_32BIT) 1163 const_iv (MAP_32BIT)
1084 const_iv (MAP_HUGETLB) 1164 const_iv (MAP_HUGETLB)
1085 const_iv (MAP_STACK) 1165 const_iv (MAP_STACK)
1086 1166
1167 const_iv (MREMAP_MAYMOVE)
1168 const_iv (MREMAP_FIXED)
1169
1087 const_iv (F_DUPFD_CLOEXEC) 1170 const_iv (F_DUPFD_CLOEXEC)
1171
1172 const_iv (MSG_CMSG_CLOEXEC)
1173 const_iv (SOCK_CLOEXEC)
1088 1174
1089 const_iv (F_OFD_GETLK) 1175 const_iv (F_OFD_GETLK)
1090 const_iv (F_OFD_SETLK) 1176 const_iv (F_OFD_SETLK)
1091 const_iv (F_OFD_GETLKW) 1177 const_iv (F_OFD_GETLKW)
1092 1178
… …
1169 1255
1170 const_iv (EFD_CLOEXEC) 1256 const_iv (EFD_CLOEXEC)
1171 const_iv (EFD_NONBLOCK) 1257 const_iv (EFD_NONBLOCK)
1172 const_iv (EFD_SEMAPHORE) 1258 const_iv (EFD_SEMAPHORE)
1173 1259
1260 const_iv (CLOCK_REALTIME)
1261 const_iv (CLOCK_MONOTONIC)
1262 const_iv (CLOCK_BOOTTIME)
1263 const_iv (CLOCK_REALTIME_ALARM)
1264 const_iv (CLOCK_BOOTTIME_ALARM)
1265
1266 const_iv (TFD_NONBLOCK)
1267 const_iv (TFD_CLOEXEC)
1268
1269 const_iv (TFD_TIMER_ABSTIME)
1270 const_iv (TFD_TIMER_CANCEL_ON_SET)
1271
1174 /* these are libeio constants, and are independent of gendef0 */ 1272 /* these are libeio constants, and are independent of gendef0 */
1175 const_eio (SEEK_SET) 1273 const_eio (SEEK_SET)
1176 const_eio (SEEK_CUR) 1274 const_eio (SEEK_CUR)
1177 const_eio (SEEK_END) 1275 const_eio (SEEK_END)
1178 1276
1179 const_eio (MCL_FUTURE) 1277 const_eio (MCL_FUTURE)
1180 const_eio (MCL_CURRENT) 1278 const_eio (MCL_CURRENT)
1279 const_eio (MCL_ONFAULT)
1181 1280
1182 const_eio (MS_ASYNC) 1281 const_eio (MS_ASYNC)
1183 const_eio (MS_INVALIDATE) 1282 const_eio (MS_INVALIDATE)
1184 const_eio (MS_SYNC) 1283 const_eio (MS_SYNC)
1185 1284
… …
1224 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1323 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1225 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1324 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1226 1325
1227 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1326 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1228 1327
1328 /* allocate dummy pipe fd for aio_close */
1329 {
1330 int pipefd [2];
1331
1332 if (
1333#ifdef _WIN32
1334 _pipe (pipefd, 1, _O_BINARY) < 0
1335#else
1336 pipe (pipefd) < 0
1337 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1338#endif
1339 || close (pipefd [1]) < 0
1340 )
1341 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1342
1343 close_fd = pipefd [0];
1344 }
1345
1229 reinit (); 1346 reinit ();
1230} 1347}
1231 1348
1232void 1349void
1233reinit () 1350reinit ()
… …
1355 1472
1356void 1473void
1357aio_close (SV *fh, SV *callback = &PL_sv_undef) 1474aio_close (SV *fh, SV *callback = &PL_sv_undef)
1358 PPCODE: 1475 PPCODE:
1359{ 1476{
1360 static int close_fd = -1; /* dummy fd to close fds via dup2 */ 1477 dREQ;
1361 int fd = s_fileno_croak (fh, 0); 1478 int fd = s_fileno_croak (fh, 0);
1362 dREQ;
1363 1479
1364 if (expect_false (close_fd < 0)) 1480 /* partially duplicate logic in s_fileno */
1481 SvGETMAGIC (fh);
1482
1483 if (SvROK (fh))
1484 {
1485 fh = SvRV (fh);
1486 SvGETMAGIC (fh);
1487 }
1488
1489 if (SvTYPE (fh) == SVt_PVGV)
1365 { 1490 {
1366 int pipefd [2]; 1491 /* perl filehandle */
1492 PerlIOUnix_refcnt_inc (fd);
1493 do_close ((GV *)fh, 1);
1367 1494
1368 if ( 1495 req->type = EIO_CLOSE;
1369#ifdef _WIN32 1496 req->int1 = fd;
1370 _pipe (pipefd, 1, _O_BINARY) < 0 1497 req->sv2 = newSVsv (fh);
1371#else
1372 pipe (pipefd) < 0
1373 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1374#endif
1375 || close (pipefd [1]) < 0
1376 )
1377 abort (); /*D*/
1378
1379 close_fd = pipefd [0];
1380 } 1498 }
1381 1499 else
1500 {
1501 /* fd number */
1382 req->type = EIO_DUP2; 1502 req->type = EIO_DUP2;
1383 req->int1 = close_fd; 1503 req->int1 = close_fd;
1384 req->sv2 = newSVsv (fh); 1504 req->sv2 = newSVsv (fh);
1385 req->int2 = fd; 1505 req->int2 = fd;
1506 }
1386 1507
1387 REQ_SEND; 1508 REQ_SEND;
1388} 1509}
1389 1510
1390void 1511void
… …
1561 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1682 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1562 1683
1563 REQ_SEND; 1684 REQ_SEND;
1564} 1685}
1565 1686
1687void
1688st_xtime ()
1689 ALIAS:
1690 st_atime = 0x01
1691 st_mtime = 0x02
1692 st_ctime = 0x04
1693 st_btime = 0x08
1694 st_xtime = 0x0f
1695 PPCODE:
1696 EXTEND (SP, 4);
1697 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1698 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1699 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1700 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1701
1702void
1703st_xtimensec ()
1704 ALIAS:
1705 st_atimensec = 0x01
1706 st_mtimensec = 0x02
1707 st_ctimensec = 0x04
1708 st_btimensec = 0x08
1709 st_xtimensec = 0x0f
1710 st_btimesec = 0x10
1711 st_gen = 0x20
1712 PPCODE:
1713 EXTEND (SP, 4);
1714 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1715 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1716 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1717 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1718 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1719 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1720
1566UV 1721UV
1567major (UV dev) 1722major (UV dev)
1568 ALIAS: 1723 ALIAS:
1569 minor = 1 1724 minor = 1
1570 CODE: 1725 CODE:
… …
2024void 2179void
2025munmap (SV *scalar) 2180munmap (SV *scalar)
2026 CODE: 2181 CODE:
2027 sv_clear_foreign (scalar); 2182 sv_clear_foreign (scalar);
2028 2183
2184SV *
2185mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2186 CODE:
2187{
2188 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2189 void *new;
2190
2191 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2192 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2193
2194 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2195
2196 RETVAL = &PL_sv_no;
2197
2198 if (new != (void *)-1)
2199 {
2200 RETVAL = new == (void *)mg->mg_ptr
2201 ? newSVpvn ("0 but true", 10)
2202 : &PL_sv_yes;
2203
2204 mg->mg_ptr = (char *)new;
2205 mg->mg_obj = (SV *)new_length;
2206
2207 SvPVX (scalar) = mg->mg_ptr;
2208 SvCUR_set (scalar, new_length);
2209 }
2210}
2211 OUTPUT:
2212 RETVAL
2213
2029int 2214int
2030madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2215madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2031 ALIAS: 2216 ALIAS:
2032 mprotect = 1 2217 mprotect = 1
2033 CODE: 2218 CODE:
2034{ 2219{
2035 STRLEN svlen; 2220 STRLEN svlen;
… …
2056} 2241}
2057 OUTPUT: 2242 OUTPUT:
2058 RETVAL 2243 RETVAL
2059 2244
2060int 2245int
2061munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) 2246munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2062 CODE: 2247 CODE:
2063{ 2248{
2064 STRLEN svlen; 2249 STRLEN svlen;
2065 void *addr = SvPVbyte (scalar, svlen); 2250 void *addr = SvPVbyte (scalar, svlen);
2066 size_t len = SvUV (length); 2251 size_t len = SvUV (length);
… …
2081#else 2266#else
2082 RETVAL = EIO_ENOSYS (); 2267 RETVAL = EIO_ENOSYS ();
2083#endif 2268#endif
2084} 2269}
2085 OUTPUT: 2270 OUTPUT:
2271 RETVAL
2272
2273int
2274mlockall (int flags)
2275 PROTOTYPE: $;
2276 CODE:
2277 RETVAL = eio_mlockall_sync (flags);
2278 OUTPUT:
2086 RETVAL 2279 RETVAL
2087 2280
2088int 2281int
2089munlockall () 2282munlockall ()
2090 CODE: 2283 CODE:
… …
2176#else 2369#else
2177 fd = (errno = ENOSYS, -1); 2370 fd = (errno = ENOSYS, -1);
2178#endif 2371#endif
2179 2372
2180 XPUSHs (newmortalFH (fd, O_RDWR)); 2373 XPUSHs (newmortalFH (fd, O_RDWR));
2374}
2375
2376void
2377timerfd_create (int clockid, int flags = 0)
2378 PPCODE:
2379{
2380 int fd;
2381#if HAVE_TIMERFD
2382 fd = timerfd_create (clockid, flags);
2383#else
2384 fd = (errno = ENOSYS, -1);
2385#endif
2386
2387 XPUSHs (newmortalFH (fd, O_RDWR));
2388}
2389
2390void
2391timerfd_settime (SV *fh, int flags, NV interval, NV value)
2392 PPCODE:
2393{
2394 int fd = s_fileno_croak (fh, 0);
2395#if HAVE_TIMERFD
2396 int res;
2397 struct itimerspec its, ots;
2398
2399 ts_set (&its.it_interval, interval);
2400 ts_set (&its.it_value , value);
2401 res = timerfd_settime (fd, flags, &its, &ots);
2402
2403 if (!res)
2404 {
2405 EXTEND (SP, 2);
2406 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2407 PUSHs (newSVnv (ts_get (&ots.it_value)));
2408 }
2409#else
2410 errno = ENOSYS;
2411#endif
2412}
2413
2414void
2415timerfd_gettime (SV *fh)
2416 PPCODE:
2417{
2418 int fd = s_fileno_croak (fh, 0);
2419#if HAVE_TIMERFD
2420 int res;
2421 struct itimerspec ots;
2422 res = timerfd_gettime (fd, &ots);
2423
2424 if (!res)
2425 {
2426 EXTEND (SP, 2);
2427 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2428 PUSHs (newSVnv (ts_get (&ots.it_value)));
2429 }
2430#else
2431 errno = ENOSYS;
2432#endif
2181} 2433}
2182 2434
2183UV 2435UV
2184get_fdlimit () 2436get_fdlimit ()
2185 CODE: 2437 CODE:

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