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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 |
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|
10 | # define mg_findext(sv,type,vtbl) mg_find (sv, type) |
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|
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> |
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|
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 | |
22 | |
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106 | |
109 | |
107 | /*****************************************************************************/ |
110 | /*****************************************************************************/ |
108 | |
111 | |
109 | #include "libeio/config.h" |
112 | #include "libeio/config.h" |
110 | |
113 | |
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114 | #include "schmorp.h" |
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115 | |
111 | #if HAVE_EVENTFD |
116 | #if HAVE_EVENTFD |
112 | # include <sys/eventfd.h> |
117 | # include <sys/eventfd.h> |
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118 | #endif |
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119 | |
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120 | #if HAVE_TIMERFD |
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|
121 | # include <sys/timerfd.h> |
113 | #endif |
122 | #endif |
114 | |
123 | |
115 | #if HAVE_RLIMITS |
124 | #if HAVE_RLIMITS |
116 | #include <sys/time.h> |
125 | #include <sys/time.h> |
117 | #include <sys/resource.h> |
126 | #include <sys/resource.h> |
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… | |
155 | # else |
164 | # else |
156 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
165 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
157 | # endif |
166 | # endif |
158 | #endif |
167 | #endif |
159 | |
168 | |
160 | /* defines all sorts of constants to 0 unless they are already defined */ |
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|
161 | /* also provides const_iv_ and const_niv_ macros for them */ |
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162 | #include "def0.h" |
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163 | |
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164 | #ifndef makedev |
169 | #ifndef makedev |
165 | # define makedev(maj,min) (((maj) << 8) | (min)) |
170 | # define makedev(maj,min) (((maj) << 8) | (min)) |
166 | #endif |
171 | #endif |
167 | #ifndef major |
172 | #ifndef major |
168 | # define major(dev) ((dev) >> 8) |
173 | # define major(dev) ((dev) >> 8) |
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… | |
176 | #endif |
181 | #endif |
177 | |
182 | |
178 | /*****************************************************************************/ |
183 | /*****************************************************************************/ |
179 | |
184 | |
180 | #if !_POSIX_MAPPED_FILES |
185 | #if !_POSIX_MAPPED_FILES |
181 | # define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
186 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1) |
182 | # define munmap(addr,length) EIO_ENOSYS () |
187 | # define munmap(addr,length) EIO_ENOSYS () |
183 | #endif |
188 | #endif |
184 | |
189 | |
185 | #if !_POSIX_MEMORY_PROTECTION |
190 | #if !_POSIX_MEMORY_PROTECTION |
186 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
191 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
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192 | #endif |
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193 | |
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194 | #if !MREMAP_MAYMOVE |
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195 | # define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1) |
187 | #endif |
196 | #endif |
188 | |
197 | |
189 | #define FOREIGN_MAGIC PERL_MAGIC_ext |
198 | #define FOREIGN_MAGIC PERL_MAGIC_ext |
190 | |
199 | |
191 | static int ecb_cold |
200 | static int ecb_cold |
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263 | { |
272 | { |
264 | /* todo: iterate over magic and only free ours, but of course */ |
273 | /* todo: iterate over magic and only free ours, but of course */ |
265 | /* the perl5porters will call that (correct) behaviour buggy */ |
274 | /* the perl5porters will call that (correct) behaviour buggy */ |
266 | sv_unmagic (sv, FOREIGN_MAGIC); |
275 | sv_unmagic (sv, FOREIGN_MAGIC); |
267 | } |
276 | } |
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277 | |
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278 | /*****************************************************************************/ |
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279 | |
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280 | /* defines all sorts of constants to 0 unless they are already defined */ |
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281 | /* also provides const_iv_ and const_niv_ macros for them */ |
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|
282 | #include "def0.h" |
268 | |
283 | |
269 | /*****************************************************************************/ |
284 | /*****************************************************************************/ |
270 | |
285 | |
271 | static void |
286 | static void |
272 | fiemap (eio_req *req) |
287 | fiemap (eio_req *req) |
… | |
… | |
973 | req_set_path1 (req, fh_or_path); |
988 | req_set_path1 (req, fh_or_path); |
974 | break; |
989 | break; |
975 | } |
990 | } |
976 | } |
991 | } |
977 | |
992 | |
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993 | /*****************************************************************************/ |
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994 | |
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995 | static void |
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996 | ts_set (struct timespec *ts, NV value) |
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997 | { |
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998 | ts->tv_sec = value; |
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999 | ts->tv_nsec = (value - ts->tv_sec) * 1e9; |
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1000 | } |
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1001 | |
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1002 | static NV |
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1003 | ts_get (const struct timespec *ts) |
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1004 | { |
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1005 | return ts->tv_sec + ts->tv_nsec * 1e-9; |
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1006 | } |
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1007 | |
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1008 | /*****************************************************************************/ |
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1009 | |
978 | XS(boot_IO__AIO) ecb_cold; |
1010 | XS(boot_IO__AIO) ecb_cold; |
979 | |
1011 | |
980 | MODULE = IO::AIO PACKAGE = IO::AIO |
1012 | MODULE = IO::AIO PACKAGE = IO::AIO |
981 | |
1013 | |
982 | PROTOTYPES: ENABLE |
1014 | PROTOTYPES: ENABLE |
… | |
… | |
1013 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
1045 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
1014 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
1046 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
1015 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
1047 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
1016 | |
1048 | |
1017 | /* the second block will be 0 when missing */ |
1049 | /* the second block will be 0 when missing */ |
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1050 | const_iv (O_ACCMODE) |
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1051 | |
1018 | const_iv (O_RDONLY) |
1052 | const_iv (O_RDONLY) |
1019 | const_iv (O_WRONLY) |
1053 | const_iv (O_WRONLY) |
1020 | const_iv (O_RDWR) |
1054 | const_iv (O_RDWR) |
1021 | const_iv (O_CREAT) |
1055 | const_iv (O_CREAT) |
1022 | const_iv (O_TRUNC) |
1056 | const_iv (O_TRUNC) |
… | |
… | |
1082 | const_iv (MAP_GROWSDOWN) |
1116 | const_iv (MAP_GROWSDOWN) |
1083 | const_iv (MAP_32BIT) |
1117 | const_iv (MAP_32BIT) |
1084 | const_iv (MAP_HUGETLB) |
1118 | const_iv (MAP_HUGETLB) |
1085 | const_iv (MAP_STACK) |
1119 | const_iv (MAP_STACK) |
1086 | |
1120 | |
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1121 | const_iv (MREMAP_MAYMOVE) |
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1122 | const_iv (MREMAP_FIXED) |
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1123 | |
1087 | const_iv (F_DUPFD_CLOEXEC) |
1124 | const_iv (F_DUPFD_CLOEXEC) |
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1125 | |
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1126 | const_iv (MSG_CMSG_CLOEXEC) |
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1127 | const_iv (SOCK_CLOEXEC) |
1088 | |
1128 | |
1089 | const_iv (F_OFD_GETLK) |
1129 | const_iv (F_OFD_GETLK) |
1090 | const_iv (F_OFD_SETLK) |
1130 | const_iv (F_OFD_SETLK) |
1091 | const_iv (F_OFD_GETLKW) |
1131 | const_iv (F_OFD_GETLKW) |
1092 | |
1132 | |
… | |
… | |
1169 | |
1209 | |
1170 | const_iv (EFD_CLOEXEC) |
1210 | const_iv (EFD_CLOEXEC) |
1171 | const_iv (EFD_NONBLOCK) |
1211 | const_iv (EFD_NONBLOCK) |
1172 | const_iv (EFD_SEMAPHORE) |
1212 | const_iv (EFD_SEMAPHORE) |
1173 | |
1213 | |
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1214 | const_iv (CLOCK_REALTIME) |
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1215 | const_iv (CLOCK_MONOTONIC) |
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1216 | const_iv (CLOCK_BOOTTIME) |
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1217 | const_iv (CLOCK_REALTIME_ALARM) |
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1218 | const_iv (CLOCK_BOOTTIME_ALARM) |
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1219 | |
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1220 | const_iv (TFD_NONBLOCK) |
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1221 | const_iv (TFD_CLOEXEC) |
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1222 | |
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1223 | const_iv (TFD_TIMER_ABSTIME) |
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1224 | const_iv (TFD_TIMER_CANCEL_ON_SET) |
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1225 | |
1174 | /* these are libeio constants, and are independent of gendef0 */ |
1226 | /* these are libeio constants, and are independent of gendef0 */ |
1175 | const_eio (SEEK_SET) |
1227 | const_eio (SEEK_SET) |
1176 | const_eio (SEEK_CUR) |
1228 | const_eio (SEEK_CUR) |
1177 | const_eio (SEEK_END) |
1229 | const_eio (SEEK_END) |
1178 | |
1230 | |
… | |
… | |
2024 | void |
2076 | void |
2025 | munmap (SV *scalar) |
2077 | munmap (SV *scalar) |
2026 | CODE: |
2078 | CODE: |
2027 | sv_clear_foreign (scalar); |
2079 | sv_clear_foreign (scalar); |
2028 | |
2080 | |
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2081 | SV * |
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2082 | mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0) |
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2083 | CODE: |
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2084 | { |
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2085 | MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl); |
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2086 | void *new; |
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2087 | |
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2088 | if (!mg || SvPVX (scalar) != mg->mg_ptr) |
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2089 | croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified"); |
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2090 | |
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2091 | new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address); |
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2092 | |
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2093 | RETVAL = &PL_sv_no; |
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2094 | |
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2095 | if (new != (void *)-1) |
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2096 | { |
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2097 | RETVAL = new == (void *)mg->mg_ptr |
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2098 | ? newSVpvn ("0 but true", 10) |
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2099 | : &PL_sv_yes; |
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2100 | |
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2101 | mg->mg_ptr = (char *)new; |
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2102 | mg->mg_obj = (SV *)new_length; |
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2103 | |
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2104 | SvPVX (scalar) = mg->mg_ptr; |
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2105 | SvCUR_set (scalar, new_length); |
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2106 | } |
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2107 | } |
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|
2108 | OUTPUT: |
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2109 | RETVAL |
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2110 | |
2029 | int |
2111 | int |
2030 | madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
2112 | madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
2031 | ALIAS: |
2113 | ALIAS: |
2032 | mprotect = 1 |
2114 | mprotect = 1 |
2033 | CODE: |
2115 | CODE: |
… | |
… | |
2176 | #else |
2258 | #else |
2177 | fd = (errno = ENOSYS, -1); |
2259 | fd = (errno = ENOSYS, -1); |
2178 | #endif |
2260 | #endif |
2179 | |
2261 | |
2180 | XPUSHs (newmortalFH (fd, O_RDWR)); |
2262 | XPUSHs (newmortalFH (fd, O_RDWR)); |
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2263 | } |
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2264 | |
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2265 | void |
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2266 | timerfd_create (int clockid, int flags = 0) |
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2267 | PPCODE: |
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2268 | { |
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2269 | int fd; |
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2270 | #if HAVE_TIMERFD |
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2271 | fd = timerfd_create (clockid, flags); |
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2272 | #else |
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2273 | fd = (errno = ENOSYS, -1); |
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2274 | #endif |
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2275 | |
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2276 | XPUSHs (newmortalFH (fd, O_RDWR)); |
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2277 | } |
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2278 | |
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2279 | void |
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2280 | timerfd_settime (SV *fh, int flags, NV interval, NV value) |
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2281 | PPCODE: |
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|
2282 | { |
|
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2283 | int fd = s_fileno_croak (fh, 0); |
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2284 | #if HAVE_TIMERFD |
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2285 | int res; |
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2286 | struct itimerspec its, ots; |
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2287 | |
|
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2288 | ts_set (&its.it_interval, interval); |
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2289 | ts_set (&its.it_value , value); |
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2290 | res = timerfd_settime (fd, flags, &its, &ots); |
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2291 | |
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2292 | if (!res) |
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2293 | { |
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2294 | EXTEND (SP, 2); |
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2295 | PUSHs (newSVnv (ts_get (&ots.it_interval))); |
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2296 | PUSHs (newSVnv (ts_get (&ots.it_value))); |
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2297 | } |
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2298 | #else |
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2299 | errno = ENOSYS; |
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2300 | #endif |
|
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2301 | } |
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2302 | |
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|
2303 | void |
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2304 | timerfd_gettime (SV *fh) |
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2305 | PPCODE: |
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2306 | { |
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2307 | int fd = s_fileno_croak (fh, 0); |
|
|
2308 | #if HAVE_TIMERFD |
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|
2309 | int res; |
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|
2310 | struct itimerspec ots; |
|
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2311 | res = timerfd_gettime (fd, &ots); |
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2312 | |
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2313 | if (!res) |
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|
2314 | { |
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2315 | EXTEND (SP, 2); |
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2316 | PUSHs (newSVnv (ts_get (&ots.it_interval))); |
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2317 | PUSHs (newSVnv (ts_get (&ots.it_value))); |
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2318 | } |
|
|
2319 | #else |
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|
2320 | errno = ENOSYS; |
|
|
2321 | #endif |
2181 | } |
2322 | } |
2182 | |
2323 | |
2183 | UV |
2324 | UV |
2184 | get_fdlimit () |
2325 | get_fdlimit () |
2185 | CODE: |
2326 | CODE: |