… | |
… | |
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 | #include "schmorp.h" |
|
|
10 | |
8 | |
11 | #include <stddef.h> |
9 | #include <stddef.h> |
12 | #include <stdlib.h> |
10 | #include <stdlib.h> |
13 | #include <errno.h> |
11 | #include <errno.h> |
14 | #include <sys/types.h> |
12 | #include <sys/types.h> |
… | |
… | |
104 | #define expect_false(expr) expect ((expr) != 0, 0) |
102 | #define expect_false(expr) expect ((expr) != 0, 0) |
105 | #define expect_true(expr) expect ((expr) != 0, 1) |
103 | #define expect_true(expr) expect ((expr) != 0, 1) |
106 | |
104 | |
107 | /*****************************************************************************/ |
105 | /*****************************************************************************/ |
108 | |
106 | |
|
|
107 | #include "libeio/config.h" |
|
|
108 | |
|
|
109 | #include "schmorp.h" |
|
|
110 | |
|
|
111 | #if HAVE_EVENTFD |
|
|
112 | # include <sys/eventfd.h> |
|
|
113 | #endif |
|
|
114 | |
|
|
115 | #if HAVE_TIMERFD |
|
|
116 | # include <sys/timerfd.h> |
|
|
117 | #endif |
|
|
118 | |
|
|
119 | #if HAVE_RLIMITS |
|
|
120 | #include <sys/time.h> |
|
|
121 | #include <sys/resource.h> |
|
|
122 | #endif |
|
|
123 | |
109 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
124 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
110 | typedef int aio_rfd; /* read file desriptor */ |
125 | typedef int aio_rfd; /* read file desriptor */ |
111 | typedef int aio_wfd; /* write file descriptor */ |
126 | typedef int aio_wfd; /* write file descriptor */ |
112 | |
127 | |
113 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
128 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
… | |
… | |
119 | STRLEN stroffset; \ |
134 | STRLEN stroffset; \ |
120 | SV *self; |
135 | SV *self; |
121 | |
136 | |
122 | #define EIO_NO_WRAPPERS 1 |
137 | #define EIO_NO_WRAPPERS 1 |
123 | |
138 | |
124 | #include "libeio/config.h" |
|
|
125 | #include "libeio/eio.h" |
139 | #include "libeio/eio.h" |
126 | |
140 | |
127 | static int req_invoke (eio_req *req); |
141 | static int req_invoke (eio_req *req); |
128 | #define EIO_FINISH(req) req_invoke (req) |
142 | #define EIO_FINISH(req) req_invoke (req) |
129 | static void req_destroy (eio_req *grp); |
143 | static void req_destroy (eio_req *grp); |
… | |
… | |
162 | #endif |
176 | #endif |
163 | |
177 | |
164 | #if PAGESIZE <= 0 |
178 | #if PAGESIZE <= 0 |
165 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
179 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
166 | #endif |
180 | #endif |
|
|
181 | |
|
|
182 | /*****************************************************************************/ |
|
|
183 | |
|
|
184 | #if !_POSIX_MAPPED_FILES |
|
|
185 | # define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
|
|
186 | # define munmap(addr,length) EIO_ENOSYS () |
|
|
187 | #endif |
|
|
188 | |
|
|
189 | #if !_POSIX_MEMORY_PROTECTION |
|
|
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) |
|
|
195 | #endif |
|
|
196 | |
|
|
197 | #define FOREIGN_MAGIC PERL_MAGIC_ext |
|
|
198 | |
|
|
199 | static int ecb_cold |
|
|
200 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
201 | { |
|
|
202 | int old_errno = errno; |
|
|
203 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
204 | errno = old_errno; |
|
|
205 | |
|
|
206 | mg->mg_obj = 0; /* just in case */ |
|
|
207 | |
|
|
208 | SvREADONLY_off (sv); |
|
|
209 | |
|
|
210 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
211 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
212 | |
|
|
213 | SvCUR_set (sv, 0); |
|
|
214 | SvPVX (sv) = 0; |
|
|
215 | SvOK_off (sv); |
|
|
216 | |
|
|
217 | return 0; |
|
|
218 | } |
|
|
219 | |
|
|
220 | static MGVTBL mmap_vtbl = { |
|
|
221 | 0, 0, 0, 0, mmap_free |
|
|
222 | }; |
|
|
223 | |
|
|
224 | static int ecb_cold |
|
|
225 | sysfree_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
226 | { |
|
|
227 | free (mg->mg_ptr); |
|
|
228 | mg->mg_obj = 0; /* just in case */ |
|
|
229 | |
|
|
230 | SvREADONLY_off (sv); |
|
|
231 | |
|
|
232 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
233 | croak ("ERROR: IO::AIO mapped scalar changed location, detected"); |
|
|
234 | |
|
|
235 | SvCUR_set (sv, 0); |
|
|
236 | SvPVX (sv) = 0; |
|
|
237 | SvOK_off (sv); |
|
|
238 | |
|
|
239 | return 0; |
|
|
240 | } |
|
|
241 | |
|
|
242 | static MGVTBL sysfree_vtbl = { |
|
|
243 | 0, 0, 0, 0, sysfree_free |
|
|
244 | }; |
|
|
245 | |
|
|
246 | /*****************************************************************************/ |
|
|
247 | |
|
|
248 | /* helper: set scalar to foreign ptr with custom free */ |
|
|
249 | static void |
|
|
250 | sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length) |
|
|
251 | { |
|
|
252 | sv_force_normal (sv); |
|
|
253 | |
|
|
254 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
255 | sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0) |
|
|
256 | ->mg_obj = (SV *)length; |
|
|
257 | |
|
|
258 | SvUPGRADE (sv, SVt_PV); /* nop... */ |
|
|
259 | |
|
|
260 | if (SvLEN (sv)) |
|
|
261 | Safefree (SvPVX (sv)); |
|
|
262 | |
|
|
263 | SvPVX (sv) = (char *)addr; |
|
|
264 | SvCUR_set (sv, length); |
|
|
265 | SvLEN_set (sv, 0); |
|
|
266 | SvPOK_only (sv); |
|
|
267 | } |
|
|
268 | |
|
|
269 | static void |
|
|
270 | sv_clear_foreign (SV *sv) |
|
|
271 | { |
|
|
272 | /* todo: iterate over magic and only free ours, but of course */ |
|
|
273 | /* the perl5porters will call that (correct) behaviour buggy */ |
|
|
274 | sv_unmagic (sv, FOREIGN_MAGIC); |
|
|
275 | } |
167 | |
276 | |
168 | /*****************************************************************************/ |
277 | /*****************************************************************************/ |
169 | |
278 | |
170 | static void |
279 | static void |
171 | fiemap (eio_req *req) |
280 | fiemap (eio_req *req) |
… | |
… | |
591 | SvSETMAGIC (req->sv2); |
700 | SvSETMAGIC (req->sv2); |
592 | PUSHs (sv_result); |
701 | PUSHs (sv_result); |
593 | } |
702 | } |
594 | break; |
703 | break; |
595 | |
704 | |
|
|
705 | case EIO_SLURP: |
|
|
706 | { |
|
|
707 | if (req->result >= 0) |
|
|
708 | { |
|
|
709 | /* if length was originally not known, we steal the malloc'ed memory */ |
|
|
710 | if (req->flags & EIO_FLAG_PTR2_FREE) |
|
|
711 | { |
|
|
712 | req->flags &= ~EIO_FLAG_PTR2_FREE; |
|
|
713 | sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result); |
|
|
714 | } |
|
|
715 | else |
|
|
716 | { |
|
|
717 | SvCUR_set (req->sv2, req->result); |
|
|
718 | *SvEND (req->sv2) = 0; |
|
|
719 | SvPOK_only (req->sv2); |
|
|
720 | } |
|
|
721 | |
|
|
722 | SvSETMAGIC (req->sv2); |
|
|
723 | } |
|
|
724 | |
|
|
725 | PUSHs (sv_result); |
|
|
726 | } |
|
|
727 | break; |
|
|
728 | |
596 | case EIO_CUSTOM: |
729 | case EIO_CUSTOM: |
597 | if (req->feed == fiemap) |
730 | if (req->feed == fiemap) |
598 | { |
731 | { |
599 | #if HAVE_FIEMAP |
732 | #if HAVE_FIEMAP |
600 | if (!req->result) |
733 | if (!req->result) |
… | |
… | |
743 | create_respipe (); |
876 | create_respipe (); |
744 | |
877 | |
745 | if (eio_init (want_poll, done_poll) < 0) |
878 | if (eio_init (want_poll, done_poll) < 0) |
746 | croak ("IO::AIO: unable to initialise eio library"); |
879 | croak ("IO::AIO: unable to initialise eio library"); |
747 | } |
880 | } |
748 | |
|
|
749 | /*****************************************************************************/ |
|
|
750 | |
|
|
751 | #if !_POSIX_MAPPED_FILES |
|
|
752 | # define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
|
|
753 | # define munmap(addr,length) EIO_ENOSYS () |
|
|
754 | #endif |
|
|
755 | |
|
|
756 | #if !_POSIX_MEMORY_PROTECTION |
|
|
757 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
|
|
758 | #endif |
|
|
759 | |
|
|
760 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
761 | |
|
|
762 | static int ecb_cold |
|
|
763 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
764 | { |
|
|
765 | int old_errno = errno; |
|
|
766 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
767 | errno = old_errno; |
|
|
768 | |
|
|
769 | mg->mg_obj = 0; /* just in case */ |
|
|
770 | |
|
|
771 | SvREADONLY_off (sv); |
|
|
772 | |
|
|
773 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
774 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
775 | |
|
|
776 | SvCUR_set (sv, 0); |
|
|
777 | SvPVX (sv) = 0; |
|
|
778 | SvOK_off (sv); |
|
|
779 | |
|
|
780 | return 0; |
|
|
781 | } |
|
|
782 | |
|
|
783 | static MGVTBL mmap_vtbl = { |
|
|
784 | 0, 0, 0, 0, mmap_free |
|
|
785 | }; |
|
|
786 | |
881 | |
787 | /*****************************************************************************/ |
882 | /*****************************************************************************/ |
788 | |
883 | |
789 | static SV * |
884 | static SV * |
790 | get_cb (SV *cb_sv) |
885 | get_cb (SV *cb_sv) |
… | |
… | |
886 | req_set_path1 (req, fh_or_path); |
981 | req_set_path1 (req, fh_or_path); |
887 | break; |
982 | break; |
888 | } |
983 | } |
889 | } |
984 | } |
890 | |
985 | |
|
|
986 | /*****************************************************************************/ |
|
|
987 | |
|
|
988 | static void |
|
|
989 | ts_set (struct timespec *ts, NV value) |
|
|
990 | { |
|
|
991 | ts->tv_sec = value; |
|
|
992 | ts->tv_nsec = (value - ts->tv_sec) * 1e9; |
|
|
993 | } |
|
|
994 | |
|
|
995 | static NV |
|
|
996 | ts_get (const struct timespec *ts) |
|
|
997 | { |
|
|
998 | return ts->tv_sec + ts->tv_nsec * 1e-9; |
|
|
999 | } |
|
|
1000 | |
|
|
1001 | /*****************************************************************************/ |
|
|
1002 | |
891 | XS(boot_IO__AIO) ecb_cold; |
1003 | XS(boot_IO__AIO) ecb_cold; |
892 | |
1004 | |
893 | MODULE = IO::AIO PACKAGE = IO::AIO |
1005 | MODULE = IO::AIO PACKAGE = IO::AIO |
894 | |
1006 | |
895 | PROTOTYPES: ENABLE |
1007 | PROTOTYPES: ENABLE |
… | |
… | |
994 | const_iv (MAP_NONBLOCK) |
1106 | const_iv (MAP_NONBLOCK) |
995 | const_iv (MAP_GROWSDOWN) |
1107 | const_iv (MAP_GROWSDOWN) |
996 | const_iv (MAP_32BIT) |
1108 | const_iv (MAP_32BIT) |
997 | const_iv (MAP_HUGETLB) |
1109 | const_iv (MAP_HUGETLB) |
998 | const_iv (MAP_STACK) |
1110 | const_iv (MAP_STACK) |
|
|
1111 | |
|
|
1112 | const_iv (MREMAP_MAYMOVE) |
|
|
1113 | const_iv (MREMAP_FIXED) |
999 | |
1114 | |
1000 | const_iv (F_DUPFD_CLOEXEC) |
1115 | const_iv (F_DUPFD_CLOEXEC) |
1001 | |
1116 | |
1002 | const_iv (F_OFD_GETLK) |
1117 | const_iv (F_OFD_GETLK) |
1003 | const_iv (F_OFD_SETLK) |
1118 | const_iv (F_OFD_SETLK) |
… | |
… | |
1078 | const_iv (SPLICE_F_MOVE) |
1193 | const_iv (SPLICE_F_MOVE) |
1079 | const_iv (SPLICE_F_NONBLOCK) |
1194 | const_iv (SPLICE_F_NONBLOCK) |
1080 | const_iv (SPLICE_F_MORE) |
1195 | const_iv (SPLICE_F_MORE) |
1081 | const_iv (SPLICE_F_GIFT) |
1196 | const_iv (SPLICE_F_GIFT) |
1082 | |
1197 | |
|
|
1198 | const_iv (EFD_CLOEXEC) |
|
|
1199 | const_iv (EFD_NONBLOCK) |
|
|
1200 | const_iv (EFD_SEMAPHORE) |
|
|
1201 | |
|
|
1202 | const_iv (CLOCK_REALTIME) |
|
|
1203 | const_iv (CLOCK_MONOTONIC) |
|
|
1204 | const_iv (CLOCK_BOOTTIME) |
|
|
1205 | const_iv (CLOCK_REALTIME_ALARM) |
|
|
1206 | const_iv (CLOCK_BOOTTIME_ALARM) |
|
|
1207 | |
|
|
1208 | const_iv (TFD_NONBLOCK) |
|
|
1209 | const_iv (TFD_CLOEXEC) |
|
|
1210 | |
|
|
1211 | const_iv (TFD_TIMER_ABSTIME) |
|
|
1212 | const_iv (TFD_TIMER_CANCEL_ON_SET) |
|
|
1213 | |
1083 | /* these are libeio constants, and are independent of gendef0 */ |
1214 | /* these are libeio constants, and are independent of gendef0 */ |
1084 | const_eio (SEEK_SET) |
1215 | const_eio (SEEK_SET) |
1085 | const_eio (SEEK_CUR) |
1216 | const_eio (SEEK_CUR) |
1086 | const_eio (SEEK_END) |
1217 | const_eio (SEEK_END) |
1087 | |
1218 | |
… | |
… | |
1100 | |
1231 | |
1101 | const_eio (FALLOC_FL_KEEP_SIZE) |
1232 | const_eio (FALLOC_FL_KEEP_SIZE) |
1102 | const_eio (FALLOC_FL_PUNCH_HOLE) |
1233 | const_eio (FALLOC_FL_PUNCH_HOLE) |
1103 | const_eio (FALLOC_FL_COLLAPSE_RANGE) |
1234 | const_eio (FALLOC_FL_COLLAPSE_RANGE) |
1104 | const_eio (FALLOC_FL_ZERO_RANGE) |
1235 | const_eio (FALLOC_FL_ZERO_RANGE) |
|
|
1236 | const_eio (FALLOC_FL_INSERT_RANGE) |
|
|
1237 | const_eio (FALLOC_FL_UNSHARE_RANGE) |
1105 | |
1238 | |
1106 | const_eio (RENAME_NOREPLACE) |
1239 | const_eio (RENAME_NOREPLACE) |
1107 | const_eio (RENAME_EXCHANGE) |
1240 | const_eio (RENAME_EXCHANGE) |
1108 | const_eio (RENAME_WHITEOUT) |
1241 | const_eio (RENAME_WHITEOUT) |
1109 | |
1242 | |
… | |
… | |
1730 | |
1863 | |
1731 | REQ_SEND; |
1864 | REQ_SEND; |
1732 | } |
1865 | } |
1733 | |
1866 | |
1734 | void |
1867 | void |
|
|
1868 | aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef) |
|
|
1869 | PPCODE: |
|
|
1870 | { |
|
|
1871 | char *svptr = 0; |
|
|
1872 | |
|
|
1873 | sv_clear_foreign (data); |
|
|
1874 | |
|
|
1875 | if (length) /* known length, directly read into scalar */ |
|
|
1876 | { |
|
|
1877 | if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
|
|
1878 | svptr = sv_grow (data, length + 1); |
|
|
1879 | else if (SvCUR (data) < length) |
|
|
1880 | croak ("length outside of scalar, and cannot grow"); |
|
|
1881 | else |
|
|
1882 | svptr = SvPVbyte_nolen (data); |
|
|
1883 | } |
|
|
1884 | |
|
|
1885 | { |
|
|
1886 | dREQ; |
|
|
1887 | |
|
|
1888 | req->type = EIO_SLURP; |
|
|
1889 | req_set_path1 (req, pathname); |
|
|
1890 | req->offs = offset; |
|
|
1891 | req->size = length; |
|
|
1892 | req->sv2 = SvREFCNT_inc (data); |
|
|
1893 | req->ptr2 = svptr; |
|
|
1894 | |
|
|
1895 | if (!SvREADONLY (data)) |
|
|
1896 | { |
|
|
1897 | SvREADONLY_on (data); |
|
|
1898 | req->flags |= FLAG_SV2_RO_OFF; |
|
|
1899 | } |
|
|
1900 | |
|
|
1901 | REQ_SEND; |
|
|
1902 | } |
|
|
1903 | } |
|
|
1904 | |
|
|
1905 | void |
1735 | aio_busy (double delay, SV *callback = &PL_sv_undef) |
1906 | aio_busy (double delay, SV *callback = &PL_sv_undef) |
1736 | PPCODE: |
1907 | PPCODE: |
1737 | { |
1908 | { |
1738 | dREQ; |
1909 | dREQ; |
1739 | |
1910 | |
… | |
… | |
1873 | RETVAL |
2044 | RETVAL |
1874 | |
2045 | |
1875 | void |
2046 | void |
1876 | mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
2047 | mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
1877 | PPCODE: |
2048 | PPCODE: |
1878 | sv_unmagic (scalar, MMAP_MAGIC); |
2049 | sv_clear_foreign (scalar); |
1879 | { |
2050 | { |
1880 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
2051 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
1881 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
2052 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
1882 | if (addr == (void *)-1) |
2053 | if (addr == (void *)-1) |
1883 | XSRETURN_NO; |
2054 | XSRETURN_NO; |
1884 | |
2055 | |
1885 | sv_force_normal (scalar); |
2056 | sv_set_foreign (scalar, &mmap_vtbl, addr, length); |
1886 | |
|
|
1887 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1888 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1889 | ->mg_obj = (SV *)length; |
|
|
1890 | |
|
|
1891 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1892 | |
2057 | |
1893 | if (!(prot & PROT_WRITE)) |
2058 | if (!(prot & PROT_WRITE)) |
1894 | SvREADONLY_on (scalar); |
2059 | SvREADONLY_on (scalar); |
1895 | |
2060 | |
1896 | if (SvLEN (scalar)) |
|
|
1897 | Safefree (SvPVX (scalar)); |
|
|
1898 | |
|
|
1899 | SvPVX (scalar) = (char *)addr; |
|
|
1900 | SvCUR_set (scalar, length); |
|
|
1901 | SvLEN_set (scalar, 0); |
|
|
1902 | SvPOK_only (scalar); |
|
|
1903 | |
|
|
1904 | XSRETURN_YES; |
2061 | XSRETURN_YES; |
1905 | } |
2062 | } |
1906 | |
2063 | |
1907 | void |
2064 | void |
1908 | munmap (SV *scalar) |
2065 | munmap (SV *scalar) |
1909 | CODE: |
2066 | CODE: |
1910 | sv_unmagic (scalar, MMAP_MAGIC); |
2067 | sv_clear_foreign (scalar); |
|
|
2068 | |
|
|
2069 | SV * |
|
|
2070 | mremap (SV *scalar, STRLEN new_length, int flags = 0, IV new_address = 0) |
|
|
2071 | CODE: |
|
|
2072 | { |
|
|
2073 | MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl); |
|
|
2074 | void *new; |
|
|
2075 | |
|
|
2076 | if (!mg || SvPVX (scalar) != mg->mg_ptr) |
|
|
2077 | croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified"); |
|
|
2078 | |
|
|
2079 | new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address); |
|
|
2080 | |
|
|
2081 | RETVAL = &PL_sv_no; |
|
|
2082 | |
|
|
2083 | if (new != (void *)-1) |
|
|
2084 | { |
|
|
2085 | RETVAL = new == (void *)mg->mg_ptr |
|
|
2086 | ? newSVpvn ("0 but true", 10) |
|
|
2087 | : &PL_sv_yes; |
|
|
2088 | |
|
|
2089 | mg->mg_ptr = (char *)new; |
|
|
2090 | mg->mg_obj = (SV *)new_length; |
|
|
2091 | |
|
|
2092 | SvPVX (scalar) = mg->mg_ptr; |
|
|
2093 | SvCUR_set (scalar, new_length); |
|
|
2094 | } |
|
|
2095 | } |
|
|
2096 | OUTPUT: |
|
|
2097 | RETVAL |
1911 | |
2098 | |
1912 | int |
2099 | int |
1913 | madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
2100 | madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
1914 | ALIAS: |
2101 | ALIAS: |
1915 | mprotect = 1 |
2102 | mprotect = 1 |
… | |
… | |
2045 | { |
2232 | { |
2046 | EXTEND (SP, 2); |
2233 | EXTEND (SP, 2); |
2047 | PUSHs (newmortalFH (fd[0], O_RDONLY)); |
2234 | PUSHs (newmortalFH (fd[0], O_RDONLY)); |
2048 | PUSHs (newmortalFH (fd[1], O_WRONLY)); |
2235 | PUSHs (newmortalFH (fd[1], O_WRONLY)); |
2049 | } |
2236 | } |
|
|
2237 | } |
|
|
2238 | |
|
|
2239 | void |
|
|
2240 | eventfd (unsigned int initval = 0, int flags = 0) |
|
|
2241 | PPCODE: |
|
|
2242 | { |
|
|
2243 | int fd; |
|
|
2244 | #if HAVE_EVENTFD |
|
|
2245 | fd = eventfd (initval, flags); |
|
|
2246 | #else |
|
|
2247 | fd = (errno = ENOSYS, -1); |
|
|
2248 | #endif |
|
|
2249 | |
|
|
2250 | XPUSHs (newmortalFH (fd, O_RDWR)); |
|
|
2251 | } |
|
|
2252 | |
|
|
2253 | void |
|
|
2254 | timerfd_create (int clockid, int flags = 0) |
|
|
2255 | PPCODE: |
|
|
2256 | { |
|
|
2257 | int fd; |
|
|
2258 | #if HAVE_TIMERFD |
|
|
2259 | fd = timerfd_create (clockid, flags); |
|
|
2260 | #else |
|
|
2261 | fd = (errno = ENOSYS, -1); |
|
|
2262 | #endif |
|
|
2263 | |
|
|
2264 | XPUSHs (newmortalFH (fd, O_RDWR)); |
|
|
2265 | } |
|
|
2266 | |
|
|
2267 | void |
|
|
2268 | timerfd_settime (SV *fh, int flags, NV interval, NV value) |
|
|
2269 | PPCODE: |
|
|
2270 | { |
|
|
2271 | int fd = s_fileno_croak (fh, 0); |
|
|
2272 | #if HAVE_TIMERFD |
|
|
2273 | int res; |
|
|
2274 | struct itimerspec its, ots; |
|
|
2275 | |
|
|
2276 | ts_set (&its.it_interval, interval); |
|
|
2277 | ts_set (&its.it_value , value); |
|
|
2278 | res = timerfd_settime (fd, flags, &its, &ots); |
|
|
2279 | |
|
|
2280 | if (!res) |
|
|
2281 | { |
|
|
2282 | EXTEND (SP, 2); |
|
|
2283 | PUSHs (newSVnv (ts_get (&ots.it_interval))); |
|
|
2284 | PUSHs (newSVnv (ts_get (&ots.it_value))); |
|
|
2285 | } |
|
|
2286 | #else |
|
|
2287 | errno = ENOSYS; |
|
|
2288 | #endif |
|
|
2289 | } |
|
|
2290 | |
|
|
2291 | void |
|
|
2292 | timerfd_gettime (SV *fh) |
|
|
2293 | PPCODE: |
|
|
2294 | { |
|
|
2295 | int fd = s_fileno_croak (fh, 0); |
|
|
2296 | #if HAVE_TIMERFD |
|
|
2297 | int res; |
|
|
2298 | struct itimerspec ots; |
|
|
2299 | res = timerfd_gettime (fd, &ots); |
|
|
2300 | |
|
|
2301 | if (!res) |
|
|
2302 | { |
|
|
2303 | EXTEND (SP, 2); |
|
|
2304 | PUSHs (newSVnv (ts_get (&ots.it_interval))); |
|
|
2305 | PUSHs (newSVnv (ts_get (&ots.it_value))); |
|
|
2306 | } |
|
|
2307 | #else |
|
|
2308 | errno = ENOSYS; |
|
|
2309 | #endif |
|
|
2310 | } |
|
|
2311 | |
|
|
2312 | UV |
|
|
2313 | get_fdlimit () |
|
|
2314 | CODE: |
|
|
2315 | #if HAVE_RLIMITS |
|
|
2316 | struct rlimit rl; |
|
|
2317 | if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2318 | XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur); |
|
|
2319 | #endif |
|
|
2320 | XSRETURN_UNDEF; |
|
|
2321 | OUTPUT: |
|
|
2322 | RETVAL |
|
|
2323 | |
|
|
2324 | void |
|
|
2325 | min_fdlimit (UV limit = 0x7fffffffU) |
|
|
2326 | CODE: |
|
|
2327 | { |
|
|
2328 | #if HAVE_RLIMITS |
|
|
2329 | struct rlimit rl; |
|
|
2330 | rlim_t orig_rlim_max; |
|
|
2331 | UV bit; |
|
|
2332 | |
|
|
2333 | if (0 != getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2334 | goto fail; |
|
|
2335 | |
|
|
2336 | if (rl.rlim_cur == RLIM_INFINITY) |
|
|
2337 | XSRETURN_YES; |
|
|
2338 | |
|
|
2339 | orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max; |
|
|
2340 | |
|
|
2341 | if (rl.rlim_cur < limit) |
|
|
2342 | { |
|
|
2343 | rl.rlim_cur = limit; |
|
|
2344 | |
|
|
2345 | if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY) |
|
|
2346 | rl.rlim_max = rl.rlim_cur; |
|
|
2347 | } |
|
|
2348 | |
|
|
2349 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2350 | XSRETURN_YES; |
|
|
2351 | |
|
|
2352 | if (errno == EPERM) |
|
|
2353 | { |
|
|
2354 | /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ |
|
|
2355 | /* our limit overflows a system-wide limit */ |
|
|
2356 | /* try an adaptive algorithm, but do not lower the hardlimit */ |
|
|
2357 | rl.rlim_max = 0; |
|
|
2358 | for (bit = 0x40000000U; bit; bit >>= 1) |
|
|
2359 | { |
|
|
2360 | rl.rlim_max |= bit; |
|
|
2361 | rl.rlim_cur = rl.rlim_max; |
|
|
2362 | |
|
|
2363 | /* nevr decrease the hard limit */ |
|
|
2364 | if (rl.rlim_max < orig_rlim_max) |
|
|
2365 | break; |
|
|
2366 | |
|
|
2367 | if (0 != setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2368 | rl.rlim_max &= ~bit; /* too high, remove bit again */ |
|
|
2369 | } |
|
|
2370 | |
|
|
2371 | /* now, raise the soft limit to the max permitted */ |
|
|
2372 | if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2373 | { |
|
|
2374 | rl.rlim_cur = rl.rlim_max; |
|
|
2375 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2376 | errno = EPERM; |
|
|
2377 | } |
|
|
2378 | } |
|
|
2379 | #endif |
|
|
2380 | fail: |
|
|
2381 | XSRETURN_UNDEF; |
2050 | } |
2382 | } |
2051 | |
2383 | |
2052 | void _on_next_submit (SV *cb) |
2384 | void _on_next_submit (SV *cb) |
2053 | CODE: |
2385 | CODE: |
2054 | SvREFCNT_dec (on_next_submit); |
2386 | SvREFCNT_dec (on_next_submit); |