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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 1.268 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
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h>
22#endif
23 22
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. don't complain to me if this fails 25 * for his broken iplementation. don't complain to me if this fails
27 * for you. 26 * for you.
75 #undef fchmod 74 #undef fchmod
76 #undef dup 75 #undef dup
77 #undef dup2 76 #undef dup2
78 #undef abort 77 #undef abort
79 #undef pipe 78 #undef pipe
79 #undef utime
80 80
81 #define EIO_STRUCT_STAT struct _stati64 81 #define EIO_STRUCT_STAT struct _stati64
82 #define EIO_STRUCT_STATI64 82 #define EIO_STRUCT_STATI64
83 83
84#else 84#else
104#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
106 106
107/*****************************************************************************/ 107/*****************************************************************************/
108 108
109#include "libeio/config.h" 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
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
1171 const_eio (MCL_FUTURE) 1276 const_eio (MCL_FUTURE)
1172 const_eio (MCL_CURRENT) 1277 const_eio (MCL_CURRENT)
1278 const_eio (MCL_ONFAULT)
1173 1279
1174 const_eio (MS_ASYNC) 1280 const_eio (MS_ASYNC)
1175 const_eio (MS_INVALIDATE) 1281 const_eio (MS_INVALIDATE)
1176 const_eio (MS_SYNC) 1282 const_eio (MS_SYNC)
1177 1283
1216 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--)
1217 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1323 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1218 1324
1219 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1325 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1220 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
1221 reinit (); 1345 reinit ();
1222} 1346}
1223 1347
1224void 1348void
1225reinit () 1349reinit ()
1347 1471
1348void 1472void
1349aio_close (SV *fh, SV *callback = &PL_sv_undef) 1473aio_close (SV *fh, SV *callback = &PL_sv_undef)
1350 PPCODE: 1474 PPCODE:
1351{ 1475{
1352 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1353 int fd = s_fileno_croak (fh, 0); 1476 int fd = s_fileno_croak (fh, 0);
1354 dREQ; 1477 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 1478
1374 req->type = EIO_DUP2; 1479 req->type = EIO_DUP2;
1375 req->int1 = close_fd; 1480 req->int1 = close_fd;
1376 req->sv2 = newSVsv (fh); 1481 req->sv2 = newSVsv (fh);
1377 req->int2 = fd; 1482 req->int2 = fd;
1553 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);
1554 1659
1555 REQ_SEND; 1660 REQ_SEND;
1556} 1661}
1557 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
1558UV 1697UV
1559major (UV dev) 1698major (UV dev)
1560 ALIAS: 1699 ALIAS:
1561 minor = 1 1700 minor = 1
1562 CODE: 1701 CODE:
2016void 2155void
2017munmap (SV *scalar) 2156munmap (SV *scalar)
2018 CODE: 2157 CODE:
2019 sv_clear_foreign (scalar); 2158 sv_clear_foreign (scalar);
2020 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
2189
2021int 2190int
2022madvise (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)
2023 ALIAS: 2192 ALIAS:
2024 mprotect = 1 2193 mprotect = 1
2025 CODE: 2194 CODE:
2026{ 2195{
2027 STRLEN svlen; 2196 STRLEN svlen;
2048} 2217}
2049 OUTPUT: 2218 OUTPUT:
2050 RETVAL 2219 RETVAL
2051 2220
2052int 2221int
2053munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) 2222munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2054 CODE: 2223 CODE:
2055{ 2224{
2056 STRLEN svlen; 2225 STRLEN svlen;
2057 void *addr = SvPVbyte (scalar, svlen); 2226 void *addr = SvPVbyte (scalar, svlen);
2058 size_t len = SvUV (length); 2227 size_t len = SvUV (length);
2154 { 2323 {
2155 EXTEND (SP, 2); 2324 EXTEND (SP, 2);
2156 PUSHs (newmortalFH (fd[0], O_RDONLY)); 2325 PUSHs (newmortalFH (fd[0], O_RDONLY));
2157 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2326 PUSHs (newmortalFH (fd[1], O_WRONLY));
2158 } 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
2159} 2401}
2160 2402
2161UV 2403UV
2162get_fdlimit () 2404get_fdlimit ()
2163 CODE: 2405 CODE:

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