ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/IO-AIO/AIO.xs
(Generate patch)

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.255 by root, Tue Feb 20 06:05:19 2018 UTC vs.
Revision 1.260 by root, Tue Jul 24 04:58:59 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
9#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif
8 12
9#include <stddef.h> 13#include <stddef.h>
10#include <stdlib.h> 14#include <stdlib.h>
11#include <errno.h> 15#include <errno.h>
12#include <sys/types.h> 16#include <sys/types.h>
… …
159# else 163# else
160# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 164# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
161# endif 165# endif
162#endif 166#endif
163 167
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 168#ifndef makedev
169# define makedev(maj,min) (((maj) << 8) | (min)) 169# define makedev(maj,min) (((maj) << 8) | (min))
170#endif 170#endif
171#ifndef major 171#ifndef major
172# define major(dev) ((dev) >> 8) 172# define major(dev) ((dev) >> 8)
… …
180#endif 180#endif
181 181
182/*****************************************************************************/ 182/*****************************************************************************/
183 183
184#if !_POSIX_MAPPED_FILES 184#if !_POSIX_MAPPED_FILES
185# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () 185# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
186# define munmap(addr,length) EIO_ENOSYS () 186# define munmap(addr,length) EIO_ENOSYS ()
187#endif 187#endif
188 188
189#if !_POSIX_MEMORY_PROTECTION 189#if !_POSIX_MEMORY_PROTECTION
190# 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)
191#endif 195#endif
192 196
193#define FOREIGN_MAGIC PERL_MAGIC_ext 197#define FOREIGN_MAGIC PERL_MAGIC_ext
194 198
195static int ecb_cold 199static int ecb_cold
… …
267{ 271{
268 /* todo: iterate over magic and only free ours, but of course */ 272 /* todo: iterate over magic and only free ours, but of course */
269 /* the perl5porters will call that (correct) behaviour buggy */ 273 /* the perl5porters will call that (correct) behaviour buggy */
270 sv_unmagic (sv, FOREIGN_MAGIC); 274 sv_unmagic (sv, FOREIGN_MAGIC);
271} 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"
272 282
273/*****************************************************************************/ 283/*****************************************************************************/
274 284
275static void 285static void
276fiemap (eio_req *req) 286fiemap (eio_req *req)
… …
1034 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) 1044 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1035 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) 1045 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1036 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) 1046 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1037 1047
1038 /* the second block will be 0 when missing */ 1048 /* the second block will be 0 when missing */
1049 const_iv (O_ACCMODE)
1050
1039 const_iv (O_RDONLY) 1051 const_iv (O_RDONLY)
1040 const_iv (O_WRONLY) 1052 const_iv (O_WRONLY)
1041 const_iv (O_RDWR) 1053 const_iv (O_RDWR)
1042 const_iv (O_CREAT) 1054 const_iv (O_CREAT)
1043 const_iv (O_TRUNC) 1055 const_iv (O_TRUNC)
… …
1102 const_iv (MAP_NONBLOCK) 1114 const_iv (MAP_NONBLOCK)
1103 const_iv (MAP_GROWSDOWN) 1115 const_iv (MAP_GROWSDOWN)
1104 const_iv (MAP_32BIT) 1116 const_iv (MAP_32BIT)
1105 const_iv (MAP_HUGETLB) 1117 const_iv (MAP_HUGETLB)
1106 const_iv (MAP_STACK) 1118 const_iv (MAP_STACK)
1119
1120 const_iv (MREMAP_MAYMOVE)
1121 const_iv (MREMAP_FIXED)
1107 1122
1108 const_iv (F_DUPFD_CLOEXEC) 1123 const_iv (F_DUPFD_CLOEXEC)
1109 1124
1110 const_iv (F_OFD_GETLK) 1125 const_iv (F_OFD_GETLK)
1111 const_iv (F_OFD_SETLK) 1126 const_iv (F_OFD_SETLK)
… …
2057void 2072void
2058munmap (SV *scalar) 2073munmap (SV *scalar)
2059 CODE: 2074 CODE:
2060 sv_clear_foreign (scalar); 2075 sv_clear_foreign (scalar);
2061 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
2062int 2107int
2063madvise (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)
2064 ALIAS: 2109 ALIAS:
2065 mprotect = 1 2110 mprotect = 1
2066 CODE: 2111 CODE:
… …
2230void 2275void
2231timerfd_settime (SV *fh, int flags, NV interval, NV value) 2276timerfd_settime (SV *fh, int flags, NV interval, NV value)
2232 PPCODE: 2277 PPCODE:
2233{ 2278{
2234 int fd = s_fileno_croak (fh, 0); 2279 int fd = s_fileno_croak (fh, 0);
2280#if HAVE_TIMERFD
2235 int res; 2281 int res;
2236 struct itimerspec its, ots; 2282 struct itimerspec its, ots;
2237 2283
2238 ts_set (&its.it_interval, interval); 2284 ts_set (&its.it_interval, interval);
2239 ts_set (&its.it_value , value); 2285 ts_set (&its.it_value , value);
2240#if HAVE_TIMERFD
2241 res = timerfd_settime (fd, flags, &its, &ots); 2286 res = timerfd_settime (fd, flags, &its, &ots);
2242#else
2243 res = (errno = ENOSYS, -1);
2244#endif
2245 2287
2246 if (!res) 2288 if (!res)
2247 { 2289 {
2248 EXTEND (SP, 2); 2290 EXTEND (SP, 2);
2249 PUSHs (newSVnv (ts_get (&ots.it_interval))); 2291 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2250 PUSHs (newSVnv (ts_get (&ots.it_value))); 2292 PUSHs (newSVnv (ts_get (&ots.it_value)));
2251 } 2293 }
2294#else
2295 errno = ENOSYS;
2296#endif
2252} 2297}
2253 2298
2254void 2299void
2255timerfd_gettime (SV *fh) 2300timerfd_gettime (SV *fh)
2256 PPCODE: 2301 PPCODE:
2257{ 2302{
2258 int fd = s_fileno_croak (fh, 0); 2303 int fd = s_fileno_croak (fh, 0);
2304#if HAVE_TIMERFD
2259 int res; 2305 int res;
2260 struct itimerspec ots; 2306 struct itimerspec ots;
2261#if HAVE_TIMERFD
2262 res = timerfd_gettime (fd, &ots); 2307 res = timerfd_gettime (fd, &ots);
2263#else
2264 res = (errno = ENOSYS, -1);
2265#endif
2266 2308
2267 if (!res) 2309 if (!res)
2268 { 2310 {
2269 EXTEND (SP, 2); 2311 EXTEND (SP, 2);
2270 PUSHs (newSVnv (ts_get (&ots.it_interval))); 2312 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2271 PUSHs (newSVnv (ts_get (&ots.it_value))); 2313 PUSHs (newSVnv (ts_get (&ots.it_value)));
2272 } 2314 }
2315#else
2316 errno = ENOSYS;
2317#endif
2273} 2318}
2274 2319
2275UV 2320UV
2276get_fdlimit () 2321get_fdlimit ()
2277 CODE: 2322 CODE:

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines