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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.251 by root, Sat Jan 6 01:04:42 2018 UTC vs.
Revision 1.260 by root, Tue Jul 24 04:58:59 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>
… …
106 108
107/*****************************************************************************/ 109/*****************************************************************************/
108 110
109#include "libeio/config.h" 111#include "libeio/config.h"
110 112
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
111#if HAVE_RLIMITS 123#if HAVE_RLIMITS
112 #include <sys/time.h> 124 #include <sys/time.h>
113 #include <sys/resource.h> 125 #include <sys/resource.h>
114#endif 126#endif
115 127
… …
151# else 163# else
152# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 164# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
153# endif 165# endif
154#endif 166#endif
155 167
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 168#ifndef makedev
161# define makedev(maj,min) (((maj) << 8) | (min)) 169# define makedev(maj,min) (((maj) << 8) | (min))
162#endif 170#endif
163#ifndef major 171#ifndef major
164# define major(dev) ((dev) >> 8) 172# define major(dev) ((dev) >> 8)
… …
172#endif 180#endif
173 181
174/*****************************************************************************/ 182/*****************************************************************************/
175 183
176#if !_POSIX_MAPPED_FILES 184#if !_POSIX_MAPPED_FILES
177# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () 185# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
178# define munmap(addr,length) EIO_ENOSYS () 186# define munmap(addr,length) EIO_ENOSYS ()
179#endif 187#endif
180 188
181#if !_POSIX_MEMORY_PROTECTION 189#if !_POSIX_MEMORY_PROTECTION
182# define mprotect(addr,len,prot) EIO_ENOSYS () 190# define mprotect(addr,len,prot) EIO_ENOSYS ()
191#endif
192
193#if !MREMAP_MAYMOVE
194# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
183#endif 195#endif
184 196
185#define FOREIGN_MAGIC PERL_MAGIC_ext 197#define FOREIGN_MAGIC PERL_MAGIC_ext
186 198
187static int ecb_cold 199static int ecb_cold
… …
259{ 271{
260 /* todo: iterate over magic and only free ours, but of course */ 272 /* todo: iterate over magic and only free ours, but of course */
261 /* the perl5porters will call that (correct) behaviour buggy */ 273 /* the perl5porters will call that (correct) behaviour buggy */
262 sv_unmagic (sv, FOREIGN_MAGIC); 274 sv_unmagic (sv, FOREIGN_MAGIC);
263} 275}
276
277/*****************************************************************************/
278
279/* defines all sorts of constants to 0 unless they are already defined */
280/* also provides const_iv_ and const_niv_ macros for them */
281#include "def0.h"
264 282
265/*****************************************************************************/ 283/*****************************************************************************/
266 284
267static void 285static void
268fiemap (eio_req *req) 286fiemap (eio_req *req)
… …
699 { 717 {
700 req->flags &= ~EIO_FLAG_PTR2_FREE; 718 req->flags &= ~EIO_FLAG_PTR2_FREE;
701 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result); 719 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
702 } 720 }
703 else 721 else
722 {
704 SvCUR_set (req->sv2, req->result); 723 SvCUR_set (req->sv2, req->result);
724 *SvEND (req->sv2) = 0;
725 SvPOK_only (req->sv2);
726 }
727
728 SvSETMAGIC (req->sv2);
705 } 729 }
706 730
707 PUSHs (sv_result); 731 PUSHs (sv_result);
708 } 732 }
709 break; 733 break;
… …
963 req_set_path1 (req, fh_or_path); 987 req_set_path1 (req, fh_or_path);
964 break; 988 break;
965 } 989 }
966} 990}
967 991
992/*****************************************************************************/
993
994static void
995ts_set (struct timespec *ts, NV value)
996{
997 ts->tv_sec = value;
998 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
999}
1000
1001static NV
1002ts_get (const struct timespec *ts)
1003{
1004 return ts->tv_sec + ts->tv_nsec * 1e-9;
1005}
1006
1007/*****************************************************************************/
1008
968XS(boot_IO__AIO) ecb_cold; 1009XS(boot_IO__AIO) ecb_cold;
969 1010
970MODULE = IO::AIO PACKAGE = IO::AIO 1011MODULE = IO::AIO PACKAGE = IO::AIO
971 1012
972PROTOTYPES: ENABLE 1013PROTOTYPES: ENABLE
… …
1003 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) 1044 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1004 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) 1045 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1005 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) 1046 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1006 1047
1007 /* the second block will be 0 when missing */ 1048 /* the second block will be 0 when missing */
1049 const_iv (O_ACCMODE)
1050
1008 const_iv (O_RDONLY) 1051 const_iv (O_RDONLY)
1009 const_iv (O_WRONLY) 1052 const_iv (O_WRONLY)
1010 const_iv (O_RDWR) 1053 const_iv (O_RDWR)
1011 const_iv (O_CREAT) 1054 const_iv (O_CREAT)
1012 const_iv (O_TRUNC) 1055 const_iv (O_TRUNC)
… …
1071 const_iv (MAP_NONBLOCK) 1114 const_iv (MAP_NONBLOCK)
1072 const_iv (MAP_GROWSDOWN) 1115 const_iv (MAP_GROWSDOWN)
1073 const_iv (MAP_32BIT) 1116 const_iv (MAP_32BIT)
1074 const_iv (MAP_HUGETLB) 1117 const_iv (MAP_HUGETLB)
1075 const_iv (MAP_STACK) 1118 const_iv (MAP_STACK)
1119
1120 const_iv (MREMAP_MAYMOVE)
1121 const_iv (MREMAP_FIXED)
1076 1122
1077 const_iv (F_DUPFD_CLOEXEC) 1123 const_iv (F_DUPFD_CLOEXEC)
1078 1124
1079 const_iv (F_OFD_GETLK) 1125 const_iv (F_OFD_GETLK)
1080 const_iv (F_OFD_SETLK) 1126 const_iv (F_OFD_SETLK)
… …
1155 const_iv (SPLICE_F_MOVE) 1201 const_iv (SPLICE_F_MOVE)
1156 const_iv (SPLICE_F_NONBLOCK) 1202 const_iv (SPLICE_F_NONBLOCK)
1157 const_iv (SPLICE_F_MORE) 1203 const_iv (SPLICE_F_MORE)
1158 const_iv (SPLICE_F_GIFT) 1204 const_iv (SPLICE_F_GIFT)
1159 1205
1206 const_iv (EFD_CLOEXEC)
1207 const_iv (EFD_NONBLOCK)
1208 const_iv (EFD_SEMAPHORE)
1209
1210 const_iv (CLOCK_REALTIME)
1211 const_iv (CLOCK_MONOTONIC)
1212 const_iv (CLOCK_BOOTTIME)
1213 const_iv (CLOCK_REALTIME_ALARM)
1214 const_iv (CLOCK_BOOTTIME_ALARM)
1215
1216 const_iv (TFD_NONBLOCK)
1217 const_iv (TFD_CLOEXEC)
1218
1219 const_iv (TFD_TIMER_ABSTIME)
1220 const_iv (TFD_TIMER_CANCEL_ON_SET)
1221
1160 /* these are libeio constants, and are independent of gendef0 */ 1222 /* these are libeio constants, and are independent of gendef0 */
1161 const_eio (SEEK_SET) 1223 const_eio (SEEK_SET)
1162 const_eio (SEEK_CUR) 1224 const_eio (SEEK_CUR)
1163 const_eio (SEEK_END) 1225 const_eio (SEEK_END)
1164 1226
… …
1415 } 1477 }
1416 else 1478 else
1417 { 1479 {
1418 /* read: check type and grow scalar as necessary */ 1480 /* read: check type and grow scalar as necessary */
1419 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) 1481 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1420 svptr = sv_grow (data, len + dataoffset); 1482 svptr = sv_grow (data, len + dataoffset + 1);
1421 else if (SvCUR (data) < len + dataoffset) 1483 else if (SvCUR (data) < len + dataoffset)
1422 croak ("length + dataoffset outside of scalar, and cannot grow"); 1484 croak ("length + dataoffset outside of scalar, and cannot grow");
1423 } 1485 }
1424 1486
1425 { 1487 {
… …
1819 sv_clear_foreign (data); 1881 sv_clear_foreign (data);
1820 1882
1821 if (length) /* known length, directly read into scalar */ 1883 if (length) /* known length, directly read into scalar */
1822 { 1884 {
1823 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) 1885 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1824 svptr = sv_grow (data, length); 1886 svptr = sv_grow (data, length + 1);
1825 else if (SvCUR (data) < length) 1887 else if (SvCUR (data) < length)
1826 croak ("length outside of scalar, and cannot grow"); 1888 croak ("length outside of scalar, and cannot grow");
1827 else 1889 else
1828 svptr = SvPVbyte_nolen (data); 1890 svptr = SvPVbyte_nolen (data);
1829 } 1891 }
… …
2010void 2072void
2011munmap (SV *scalar) 2073munmap (SV *scalar)
2012 CODE: 2074 CODE:
2013 sv_clear_foreign (scalar); 2075 sv_clear_foreign (scalar);
2014 2076
2077SV *
2078mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2079 CODE:
2080{
2081 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2082 void *new;
2083
2084 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2085 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2086
2087 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2088
2089 RETVAL = &PL_sv_no;
2090
2091 if (new != (void *)-1)
2092 {
2093 RETVAL = new == (void *)mg->mg_ptr
2094 ? newSVpvn ("0 but true", 10)
2095 : &PL_sv_yes;
2096
2097 mg->mg_ptr = (char *)new;
2098 mg->mg_obj = (SV *)new_length;
2099
2100 SvPVX (scalar) = mg->mg_ptr;
2101 SvCUR_set (scalar, new_length);
2102 }
2103}
2104 OUTPUT:
2105 RETVAL
2106
2015int 2107int
2016madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2108madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2017 ALIAS: 2109 ALIAS:
2018 mprotect = 1 2110 mprotect = 1
2019 CODE: 2111 CODE:
… …
2148 { 2240 {
2149 EXTEND (SP, 2); 2241 EXTEND (SP, 2);
2150 PUSHs (newmortalFH (fd[0], O_RDONLY)); 2242 PUSHs (newmortalFH (fd[0], O_RDONLY));
2151 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2243 PUSHs (newmortalFH (fd[1], O_WRONLY));
2152 } 2244 }
2245}
2246
2247void
2248eventfd (unsigned int initval = 0, int flags = 0)
2249 PPCODE:
2250{
2251 int fd;
2252#if HAVE_EVENTFD
2253 fd = eventfd (initval, flags);
2254#else
2255 fd = (errno = ENOSYS, -1);
2256#endif
2257
2258 XPUSHs (newmortalFH (fd, O_RDWR));
2259}
2260
2261void
2262timerfd_create (int clockid, int flags = 0)
2263 PPCODE:
2264{
2265 int fd;
2266#if HAVE_TIMERFD
2267 fd = timerfd_create (clockid, flags);
2268#else
2269 fd = (errno = ENOSYS, -1);
2270#endif
2271
2272 XPUSHs (newmortalFH (fd, O_RDWR));
2273}
2274
2275void
2276timerfd_settime (SV *fh, int flags, NV interval, NV value)
2277 PPCODE:
2278{
2279 int fd = s_fileno_croak (fh, 0);
2280#if HAVE_TIMERFD
2281 int res;
2282 struct itimerspec its, ots;
2283
2284 ts_set (&its.it_interval, interval);
2285 ts_set (&its.it_value , value);
2286 res = timerfd_settime (fd, flags, &its, &ots);
2287
2288 if (!res)
2289 {
2290 EXTEND (SP, 2);
2291 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2292 PUSHs (newSVnv (ts_get (&ots.it_value)));
2293 }
2294#else
2295 errno = ENOSYS;
2296#endif
2297}
2298
2299void
2300timerfd_gettime (SV *fh)
2301 PPCODE:
2302{
2303 int fd = s_fileno_croak (fh, 0);
2304#if HAVE_TIMERFD
2305 int res;
2306 struct itimerspec ots;
2307 res = timerfd_gettime (fd, &ots);
2308
2309 if (!res)
2310 {
2311 EXTEND (SP, 2);
2312 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2313 PUSHs (newSVnv (ts_get (&ots.it_value)));
2314 }
2315#else
2316 errno = ENOSYS;
2317#endif
2153} 2318}
2154 2319
2155UV 2320UV
2156get_fdlimit () 2321get_fdlimit ()
2157 CODE: 2322 CODE:

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