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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.255 by root, Tue Feb 20 06:05:19 2018 UTC vs.
Revision 1.274 by root, Sun Mar 10 12:16:48 2019 UTC

3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8#include "perliol.h"
9
10#if !defined mg_findext
11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
12#endif
8 13
9#include <stddef.h> 14#include <stddef.h>
10#include <stdlib.h> 15#include <stdlib.h>
11#include <errno.h> 16#include <errno.h>
12#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
13#include <sys/stat.h> 19#include <sys/stat.h>
14#include <limits.h> 20#include <limits.h>
15#include <fcntl.h> 21#include <fcntl.h>
16#include <sched.h> 22#include <sched.h>
17
18#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
19# include <sys/mman.h>
20#endif
21 23
22/* the incompetent fool that created musl keeps __linux__, refuses 24/* the incompetent fool that created musl keeps __linux__, refuses
23 * 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
24 * 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
25 * for you. 27 * for you.
73 #undef fchmod 75 #undef fchmod
74 #undef dup 76 #undef dup
75 #undef dup2 77 #undef dup2
76 #undef abort 78 #undef abort
77 #undef pipe 79 #undef pipe
80 #undef utime
78 81
79 #define EIO_STRUCT_STAT struct _stati64 82 #define EIO_STRUCT_STAT struct _stati64
80 #define EIO_STRUCT_STATI64 83 #define EIO_STRUCT_STATI64
81 84
82#else 85#else
102#define expect_false(expr) expect ((expr) != 0, 0) 105#define expect_false(expr) expect ((expr) != 0, 0)
103#define expect_true(expr) expect ((expr) != 0, 1) 106#define expect_true(expr) expect ((expr) != 0, 1)
104 107
105/*****************************************************************************/ 108/*****************************************************************************/
106 109
107#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_SYS_UIO_H
123# include <sys/uio.h>
124#endif
125
126#if HAVE_ST_XTIMENSEC
127# define ATIMENSEC PL_statcache.st_atimensec
128# define MTIMENSEC PL_statcache.st_mtimensec
129# define CTIMENSEC PL_statcache.st_ctimensec
130#elif HAVE_ST_XTIMESPEC
131# define ATIMENSEC PL_statcache.st_atim.tv_nsec
132# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
133# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
134#else
135# define ATIMENSEC 0
136# define MTIMENSEC 0
137# define CTIMENSEC 0
138#endif
139
140#if HAVE_ST_BIRTHTIMENSEC
141# define BTIMESEC PL_statcache.st_birthtime
142# define BTIMENSEC PL_statcache.st_birthtimensec
143#elif HAVE_ST_BIRTHTIMESPEC
144# define BTIMESEC PL_statcache.st_birthtim.tv_sec
145# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
146#else
147# define BTIMESEC 0
148# define BTIMENSEC 0
149#endif
150
151#if HAVE_ST_GEN
152# define ST_GEN PL_statcache.st_gen
153#else
154# define ST_GEN 0
155#endif
108 156
109#include "schmorp.h" 157#include "schmorp.h"
110 158
111#if HAVE_EVENTFD 159#if HAVE_EVENTFD
112# include <sys/eventfd.h> 160# include <sys/eventfd.h>
159# else 207# else
160# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 208# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
161# endif 209# endif
162#endif 210#endif
163 211
164/* defines all sorts of constants to 0 unless they are already defined */
165/* also provides const_iv_ and const_niv_ macros for them */
166#include "def0.h"
167
168#ifndef makedev 212#ifndef makedev
169# define makedev(maj,min) (((maj) << 8) | (min)) 213# define makedev(maj,min) (((maj) << 8) | (min))
170#endif 214#endif
171#ifndef major 215#ifndef major
172# define major(dev) ((dev) >> 8) 216# define major(dev) ((dev) >> 8)
173#endif 217#endif
174#ifndef minor 218#ifndef minor
175# define minor(dev) ((dev) & 0xff) 219# define minor(dev) ((dev) & 0xff)
176#endif 220#endif
177 221
222/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
223#ifdef __sun
224# undef PAGESIZE
225#endif
226
178#if PAGESIZE <= 0 227#if PAGESIZE <= 0
179# define PAGESIZE sysconf (_SC_PAGESIZE) 228# define PAGESIZE sysconf (_SC_PAGESIZE)
180#endif 229#endif
181 230
182/*****************************************************************************/ 231/*****************************************************************************/
183 232
184#if !_POSIX_MAPPED_FILES 233#if !_POSIX_MAPPED_FILES
185# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () 234# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
186# define munmap(addr,length) EIO_ENOSYS () 235# define munmap(addr,length) EIO_ENOSYS ()
187#endif 236#endif
188 237
189#if !_POSIX_MEMORY_PROTECTION 238#if !_POSIX_MEMORY_PROTECTION
190# define mprotect(addr,len,prot) EIO_ENOSYS () 239# define mprotect(addr,len,prot) EIO_ENOSYS ()
240#endif
241
242#if !MREMAP_MAYMOVE
243# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
191#endif 244#endif
192 245
193#define FOREIGN_MAGIC PERL_MAGIC_ext 246#define FOREIGN_MAGIC PERL_MAGIC_ext
194 247
195static int ecb_cold 248static int ecb_cold
267{ 320{
268 /* todo: iterate over magic and only free ours, but of course */ 321 /* todo: iterate over magic and only free ours, but of course */
269 /* the perl5porters will call that (correct) behaviour buggy */ 322 /* the perl5porters will call that (correct) behaviour buggy */
270 sv_unmagic (sv, FOREIGN_MAGIC); 323 sv_unmagic (sv, FOREIGN_MAGIC);
271} 324}
325
326/*****************************************************************************/
327
328/* defines all sorts of constants to 0 unless they are already defined */
329/* also provides const_iv_ and const_niv_ macros for them */
330#include "def0.h"
272 331
273/*****************************************************************************/ 332/*****************************************************************************/
274 333
275static void 334static void
276fiemap (eio_req *req) 335fiemap (eio_req *req)
367 errno = ENOSYS; 426 errno = ENOSYS;
368#endif 427#endif
369} 428}
370 429
371/*****************************************************************************/ 430/*****************************************************************************/
431
432static int close_fd; /* dummy fd to close fds via dup2 */
372 433
373enum { 434enum {
374 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 435 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
375}; 436};
376 437
759#endif 820#endif
760 } 821 }
761 else 822 else
762 PUSHs (sv_result); 823 PUSHs (sv_result);
763 break; 824 break;
825
826#if 0
827 case EIO_CLOSE:
828 PerlIOUnix_refcnt_dec (req->int1);
829 break;
830#endif
764 831
765 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 832 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
766 if (req->result > 0) 833 if (req->result > 0)
767 SvIV_set (sv_result, 0); 834 SvIV_set (sv_result, 0);
768 /* FALLTHROUGH */ 835 /* FALLTHROUGH */
1034 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) 1101 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1035 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) 1102 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1036 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) 1103 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1037 1104
1038 /* the second block will be 0 when missing */ 1105 /* the second block will be 0 when missing */
1106 const_iv (O_ACCMODE)
1107
1039 const_iv (O_RDONLY) 1108 const_iv (O_RDONLY)
1040 const_iv (O_WRONLY) 1109 const_iv (O_WRONLY)
1041 const_iv (O_RDWR) 1110 const_iv (O_RDWR)
1042 const_iv (O_CREAT) 1111 const_iv (O_CREAT)
1043 const_iv (O_TRUNC) 1112 const_iv (O_TRUNC)
1103 const_iv (MAP_GROWSDOWN) 1172 const_iv (MAP_GROWSDOWN)
1104 const_iv (MAP_32BIT) 1173 const_iv (MAP_32BIT)
1105 const_iv (MAP_HUGETLB) 1174 const_iv (MAP_HUGETLB)
1106 const_iv (MAP_STACK) 1175 const_iv (MAP_STACK)
1107 1176
1177 const_iv (MREMAP_MAYMOVE)
1178 const_iv (MREMAP_FIXED)
1179
1108 const_iv (F_DUPFD_CLOEXEC) 1180 const_iv (F_DUPFD_CLOEXEC)
1181
1182 const_iv (MSG_CMSG_CLOEXEC)
1183 const_iv (SOCK_CLOEXEC)
1109 1184
1110 const_iv (F_OFD_GETLK) 1185 const_iv (F_OFD_GETLK)
1111 const_iv (F_OFD_SETLK) 1186 const_iv (F_OFD_SETLK)
1112 const_iv (F_OFD_GETLKW) 1187 const_iv (F_OFD_GETLKW)
1113 1188
1209 const_eio (SEEK_CUR) 1284 const_eio (SEEK_CUR)
1210 const_eio (SEEK_END) 1285 const_eio (SEEK_END)
1211 1286
1212 const_eio (MCL_FUTURE) 1287 const_eio (MCL_FUTURE)
1213 const_eio (MCL_CURRENT) 1288 const_eio (MCL_CURRENT)
1289 const_eio (MCL_ONFAULT)
1214 1290
1215 const_eio (MS_ASYNC) 1291 const_eio (MS_ASYNC)
1216 const_eio (MS_INVALIDATE) 1292 const_eio (MS_INVALIDATE)
1217 const_eio (MS_SYNC) 1293 const_eio (MS_SYNC)
1218 1294
1257 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1333 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1258 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1334 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1259 1335
1260 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1336 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1261 1337
1338 /* allocate dummy pipe fd for aio_close */
1339 {
1340 int pipefd [2];
1341
1342 if (
1343#ifdef _WIN32
1344 _pipe (pipefd, 1, _O_BINARY) < 0
1345#else
1346 pipe (pipefd) < 0
1347 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1348#endif
1349 || close (pipefd [1]) < 0
1350 )
1351 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1352
1353 close_fd = pipefd [0];
1354 }
1355
1262 reinit (); 1356 reinit ();
1263} 1357}
1264 1358
1265void 1359void
1266reinit () 1360reinit ()
1388 1482
1389void 1483void
1390aio_close (SV *fh, SV *callback = &PL_sv_undef) 1484aio_close (SV *fh, SV *callback = &PL_sv_undef)
1391 PPCODE: 1485 PPCODE:
1392{ 1486{
1393 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1394 int fd = s_fileno_croak (fh, 0); 1487 int fd = s_fileno_croak (fh, 0);
1395 dREQ; 1488 dREQ;
1489#if 0
1490 /* partially duplicate logic in s_fileno */
1491 SvGETMAGIC (fh);
1396 1492
1397 if (expect_false (close_fd < 0)) 1493 if (SvROK (fh))
1494 {
1495 fh = SvRV (fh);
1496 SvGETMAGIC (fh);
1497 }
1498
1499 if (SvTYPE (fh) == SVt_PVGV)
1398 { 1500 {
1399 int pipefd [2]; 1501 /* perl filehandle */
1502 PerlIOUnix_refcnt_inc (fd);
1503 do_close ((GV *)fh, 1);
1400 1504
1401 if ( 1505 req->type = EIO_CLOSE;
1402#ifdef _WIN32 1506 req->int1 = fd;
1403 _pipe (pipefd, 1, _O_BINARY) < 0 1507 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1404#else
1405 pipe (pipefd) < 0
1406 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1407#endif
1408 || close (pipefd [1]) < 0
1409 )
1410 abort (); /*D*/
1411
1412 close_fd = pipefd [0];
1413 } 1508 }
1414 1509 else
1510#endif
1511 {
1512 /* fd number */
1415 req->type = EIO_DUP2; 1513 req->type = EIO_DUP2;
1416 req->int1 = close_fd; 1514 req->int1 = close_fd;
1417 req->sv2 = newSVsv (fh); 1515 req->sv2 = newSVsv (fh);
1418 req->int2 = fd; 1516 req->int2 = fd;
1517 }
1419 1518
1420 REQ_SEND; 1519 REQ_SEND;
1421} 1520}
1422 1521
1423void 1522void
1594 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1693 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1595 1694
1596 REQ_SEND; 1695 REQ_SEND;
1597} 1696}
1598 1697
1698void
1699st_xtime ()
1700 ALIAS:
1701 st_atime = 0x01
1702 st_mtime = 0x02
1703 st_ctime = 0x04
1704 st_btime = 0x08
1705 st_xtime = 0x0f
1706 PPCODE:
1707 EXTEND (SP, 4);
1708 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1709 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1710 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1711 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1712
1713void
1714st_xtimensec ()
1715 ALIAS:
1716 st_atimensec = 0x01
1717 st_mtimensec = 0x02
1718 st_ctimensec = 0x04
1719 st_btimensec = 0x08
1720 st_xtimensec = 0x0f
1721 st_btimesec = 0x10
1722 st_gen = 0x20
1723 PPCODE:
1724 EXTEND (SP, 4);
1725 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1726 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1727 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1728 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1729 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1730 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1731
1599UV 1732UV
1600major (UV dev) 1733major (UV dev)
1601 ALIAS: 1734 ALIAS:
1602 minor = 1 1735 minor = 1
1603 CODE: 1736 CODE:
2057void 2190void
2058munmap (SV *scalar) 2191munmap (SV *scalar)
2059 CODE: 2192 CODE:
2060 sv_clear_foreign (scalar); 2193 sv_clear_foreign (scalar);
2061 2194
2195SV *
2196mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2197 CODE:
2198{
2199 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2200 void *new;
2201
2202 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2203 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2204
2205 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2206
2207 RETVAL = &PL_sv_no;
2208
2209 if (new != (void *)-1)
2210 {
2211 RETVAL = new == (void *)mg->mg_ptr
2212 ? newSVpvn ("0 but true", 10)
2213 : &PL_sv_yes;
2214
2215 mg->mg_ptr = (char *)new;
2216 mg->mg_obj = (SV *)new_length;
2217
2218 SvPVX (scalar) = mg->mg_ptr;
2219 SvCUR_set (scalar, new_length);
2220 }
2221}
2222 OUTPUT:
2223 RETVAL
2224
2062int 2225int
2063madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2226madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2064 ALIAS: 2227 ALIAS:
2065 mprotect = 1 2228 mprotect = 1
2066 CODE: 2229 CODE:
2067{ 2230{
2068 STRLEN svlen; 2231 STRLEN svlen;
2089} 2252}
2090 OUTPUT: 2253 OUTPUT:
2091 RETVAL 2254 RETVAL
2092 2255
2093int 2256int
2094munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) 2257munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2095 CODE: 2258 CODE:
2096{ 2259{
2097 STRLEN svlen; 2260 STRLEN svlen;
2098 void *addr = SvPVbyte (scalar, svlen); 2261 void *addr = SvPVbyte (scalar, svlen);
2099 size_t len = SvUV (length); 2262 size_t len = SvUV (length);
2114#else 2277#else
2115 RETVAL = EIO_ENOSYS (); 2278 RETVAL = EIO_ENOSYS ();
2116#endif 2279#endif
2117} 2280}
2118 OUTPUT: 2281 OUTPUT:
2282 RETVAL
2283
2284int
2285mlockall (int flags)
2286 PROTOTYPE: $;
2287 CODE:
2288 RETVAL = eio_mlockall_sync (flags);
2289 OUTPUT:
2119 RETVAL 2290 RETVAL
2120 2291
2121int 2292int
2122munlockall () 2293munlockall ()
2123 CODE: 2294 CODE:
2230void 2401void
2231timerfd_settime (SV *fh, int flags, NV interval, NV value) 2402timerfd_settime (SV *fh, int flags, NV interval, NV value)
2232 PPCODE: 2403 PPCODE:
2233{ 2404{
2234 int fd = s_fileno_croak (fh, 0); 2405 int fd = s_fileno_croak (fh, 0);
2406#if HAVE_TIMERFD
2235 int res; 2407 int res;
2236 struct itimerspec its, ots; 2408 struct itimerspec its, ots;
2237 2409
2238 ts_set (&its.it_interval, interval); 2410 ts_set (&its.it_interval, interval);
2239 ts_set (&its.it_value , value); 2411 ts_set (&its.it_value , value);
2240#if HAVE_TIMERFD
2241 res = timerfd_settime (fd, flags, &its, &ots); 2412 res = timerfd_settime (fd, flags, &its, &ots);
2242#else
2243 res = (errno = ENOSYS, -1);
2244#endif
2245 2413
2246 if (!res) 2414 if (!res)
2247 { 2415 {
2248 EXTEND (SP, 2); 2416 EXTEND (SP, 2);
2249 PUSHs (newSVnv (ts_get (&ots.it_interval))); 2417 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2250 PUSHs (newSVnv (ts_get (&ots.it_value))); 2418 PUSHs (newSVnv (ts_get (&ots.it_value)));
2251 } 2419 }
2420#else
2421 errno = ENOSYS;
2422#endif
2252} 2423}
2253 2424
2254void 2425void
2255timerfd_gettime (SV *fh) 2426timerfd_gettime (SV *fh)
2256 PPCODE: 2427 PPCODE:
2257{ 2428{
2258 int fd = s_fileno_croak (fh, 0); 2429 int fd = s_fileno_croak (fh, 0);
2430#if HAVE_TIMERFD
2259 int res; 2431 int res;
2260 struct itimerspec ots; 2432 struct itimerspec ots;
2261#if HAVE_TIMERFD
2262 res = timerfd_gettime (fd, &ots); 2433 res = timerfd_gettime (fd, &ots);
2263#else
2264 res = (errno = ENOSYS, -1);
2265#endif
2266 2434
2267 if (!res) 2435 if (!res)
2268 { 2436 {
2269 EXTEND (SP, 2); 2437 EXTEND (SP, 2);
2270 PUSHs (newSVnv (ts_get (&ots.it_interval))); 2438 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2271 PUSHs (newSVnv (ts_get (&ots.it_value))); 2439 PUSHs (newSVnv (ts_get (&ots.it_value)));
2272 } 2440 }
2441#else
2442 errno = ENOSYS;
2443#endif
2273} 2444}
2274 2445
2275UV 2446UV
2276get_fdlimit () 2447get_fdlimit ()
2277 CODE: 2448 CODE:

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