… | |
… | |
16 | |
16 | |
17 | #ifdef WIN32 |
17 | #ifdef WIN32 |
18 | # undef setjmp |
18 | # undef setjmp |
19 | # undef longjmp |
19 | # undef longjmp |
20 | # undef _exit |
20 | # undef _exit |
21 | # define setjmp _setjmp // deep magic, don't ask |
21 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
22 | #else |
23 | # include <inttypes.h> /* most portable stdint.h */ |
23 | # include <inttypes.h> /* most portable stdint.h */ |
24 | #endif |
24 | #endif |
25 | |
25 | |
26 | #ifdef HAVE_MMAP |
26 | #ifdef HAVE_MMAP |
… | |
… | |
145 | #define expect_true(expr) expect ((expr) != 0, 1) |
145 | #define expect_true(expr) expect ((expr) != 0, 1) |
146 | |
146 | |
147 | #define NOINLINE attribute ((noinline)) |
147 | #define NOINLINE attribute ((noinline)) |
148 | |
148 | |
149 | #include "CoroAPI.h" |
149 | #include "CoroAPI.h" |
|
|
150 | #define GCoroAPI (&coroapi) /* very sneaky */ |
150 | |
151 | |
151 | #ifdef USE_ITHREADS |
152 | #ifdef USE_ITHREADS |
152 | # if CORO_PTHREAD |
153 | # if CORO_PTHREAD |
153 | static void *coro_thx; |
154 | static void *coro_thx; |
154 | # endif |
155 | # endif |
… | |
… | |
256 | /* statistics */ |
257 | /* statistics */ |
257 | int usecount; /* number of transfers to this coro */ |
258 | int usecount; /* number of transfers to this coro */ |
258 | |
259 | |
259 | /* coro process data */ |
260 | /* coro process data */ |
260 | int prio; |
261 | int prio; |
261 | SV *throw; /* exception to be thrown */ |
262 | SV *except; /* exception to be thrown */ |
|
|
263 | SV *rouse_cb; |
262 | |
264 | |
263 | /* async_pool */ |
265 | /* async_pool */ |
264 | SV *saved_deffh; |
266 | SV *saved_deffh; |
265 | |
267 | |
266 | /* linked list */ |
268 | /* linked list */ |
… | |
… | |
272 | |
274 | |
273 | /* the following variables are effectively part of the perl context */ |
275 | /* the following variables are effectively part of the perl context */ |
274 | /* and get copied between struct coro and these variables */ |
276 | /* and get copied between struct coro and these variables */ |
275 | /* the mainr easonw e don't support windows process emulation */ |
277 | /* the mainr easonw e don't support windows process emulation */ |
276 | static struct CoroSLF slf_frame; /* the current slf frame */ |
278 | static struct CoroSLF slf_frame; /* the current slf frame */ |
277 | static SV *coro_throw; |
|
|
278 | |
279 | |
279 | /** Coro ********************************************************************/ |
280 | /** Coro ********************************************************************/ |
280 | |
281 | |
281 | #define PRIO_MAX 3 |
282 | #define PRIO_MAX 3 |
282 | #define PRIO_HIGH 1 |
283 | #define PRIO_HIGH 1 |
… | |
… | |
511 | |
512 | |
512 | PUTBACK; |
513 | PUTBACK; |
513 | } |
514 | } |
514 | |
515 | |
515 | slf_frame = c->slf_frame; |
516 | slf_frame = c->slf_frame; |
516 | coro_throw = c->throw; |
517 | CORO_THROW = c->except; |
517 | } |
518 | } |
518 | |
519 | |
519 | static void |
520 | static void |
520 | save_perl (pTHX_ Coro__State c) |
521 | save_perl (pTHX_ Coro__State c) |
521 | { |
522 | { |
522 | c->throw = coro_throw; |
523 | c->except = CORO_THROW; |
523 | c->slf_frame = slf_frame; |
524 | c->slf_frame = slf_frame; |
524 | |
525 | |
525 | { |
526 | { |
526 | dSP; |
527 | dSP; |
527 | I32 cxix = cxstack_ix; |
528 | I32 cxix = cxstack_ix; |
… | |
… | |
885 | /* no flags required, as an init function won't be called */ |
886 | /* no flags required, as an init function won't be called */ |
886 | |
887 | |
887 | PL_op = (OP *)&coro_setup_op; |
888 | PL_op = (OP *)&coro_setup_op; |
888 | |
889 | |
889 | /* copy throw, in case it was set before coro_setup */ |
890 | /* copy throw, in case it was set before coro_setup */ |
890 | coro_throw = coro->throw; |
891 | CORO_THROW = coro->except; |
891 | } |
892 | } |
892 | |
893 | |
893 | static void |
894 | static void |
894 | coro_destruct (pTHX_ struct coro *coro) |
895 | coro_destruct (pTHX_ struct coro *coro) |
895 | { |
896 | { |
… | |
… | |
918 | SvREFCNT_dec (GvSV (irsgv)); |
919 | SvREFCNT_dec (GvSV (irsgv)); |
919 | |
920 | |
920 | SvREFCNT_dec (PL_diehook); |
921 | SvREFCNT_dec (PL_diehook); |
921 | SvREFCNT_dec (PL_warnhook); |
922 | SvREFCNT_dec (PL_warnhook); |
922 | |
923 | |
|
|
924 | SvREFCNT_dec (CORO_THROW); |
923 | SvREFCNT_dec (coro->saved_deffh); |
925 | SvREFCNT_dec (coro->saved_deffh); |
924 | SvREFCNT_dec (coro_throw); |
926 | SvREFCNT_dec (coro->rouse_cb); |
925 | |
927 | |
926 | coro_destruct_stacks (aTHX); |
928 | coro_destruct_stacks (aTHX); |
927 | } |
929 | } |
928 | |
930 | |
929 | INLINE void |
931 | INLINE void |
… | |
… | |
1497 | |
1499 | |
1498 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1500 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1499 | TRANSFER (ta, 1); |
1501 | TRANSFER (ta, 1); |
1500 | } |
1502 | } |
1501 | |
1503 | |
|
|
1504 | /*****************************************************************************/ |
|
|
1505 | /* gensub: simple closure generation utility */ |
|
|
1506 | |
|
|
1507 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1508 | |
|
|
1509 | /* create a closure from XS, returns a code reference */ |
|
|
1510 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1511 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1512 | static SV * |
|
|
1513 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1514 | { |
|
|
1515 | CV *cv = (CV *)newSV (0); |
|
|
1516 | |
|
|
1517 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1518 | |
|
|
1519 | CvANON_on (cv); |
|
|
1520 | CvISXSUB_on (cv); |
|
|
1521 | CvXSUB (cv) = xsub; |
|
|
1522 | GENSUB_ARG = arg; |
|
|
1523 | |
|
|
1524 | return newRV_noinc ((SV *)cv); |
|
|
1525 | } |
|
|
1526 | |
1502 | /** Coro ********************************************************************/ |
1527 | /** Coro ********************************************************************/ |
1503 | |
1528 | |
1504 | INLINE void |
1529 | INLINE void |
1505 | coro_enq (pTHX_ struct coro *coro) |
1530 | coro_enq (pTHX_ struct coro *coro) |
1506 | { |
1531 | { |
… | |
… | |
1703 | if (coro->flags & CF_RUNNING) |
1728 | if (coro->flags & CF_RUNNING) |
1704 | PL_runops = RUNOPS_DEFAULT; |
1729 | PL_runops = RUNOPS_DEFAULT; |
1705 | else |
1730 | else |
1706 | coro->slot->runops = RUNOPS_DEFAULT; |
1731 | coro->slot->runops = RUNOPS_DEFAULT; |
1707 | } |
1732 | } |
|
|
1733 | } |
|
|
1734 | |
|
|
1735 | /*****************************************************************************/ |
|
|
1736 | /* rouse callback */ |
|
|
1737 | |
|
|
1738 | #define CORO_MAGIC_type_rouse PERL_MAGIC_ext |
|
|
1739 | |
|
|
1740 | static void |
|
|
1741 | coro_rouse_callback (pTHX_ CV *cv) |
|
|
1742 | { |
|
|
1743 | dXSARGS; |
|
|
1744 | SV *data = (SV *)GENSUB_ARG; |
|
|
1745 | |
|
|
1746 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
|
|
1747 | { |
|
|
1748 | /* first call, set args */ |
|
|
1749 | int i; |
|
|
1750 | AV *av = newAV (); |
|
|
1751 | SV *coro = SvRV (data); |
|
|
1752 | |
|
|
1753 | SvRV_set (data, (SV *)av); |
|
|
1754 | api_ready (aTHX_ coro); |
|
|
1755 | SvREFCNT_dec (coro); |
|
|
1756 | |
|
|
1757 | while (items--) |
|
|
1758 | av_store (av, items, SvREFCNT_inc_NN (ST (items))); |
|
|
1759 | } |
|
|
1760 | |
|
|
1761 | XSRETURN_EMPTY; |
|
|
1762 | } |
|
|
1763 | |
|
|
1764 | static int |
|
|
1765 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
|
|
1766 | { |
|
|
1767 | SV *data = (SV *)frame->data; |
|
|
1768 | |
|
|
1769 | if (CORO_THROW) |
|
|
1770 | return 0; |
|
|
1771 | |
|
|
1772 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
|
|
1773 | return 1; |
|
|
1774 | |
|
|
1775 | /* now push all results on the stack */ |
|
|
1776 | { |
|
|
1777 | dSP; |
|
|
1778 | AV *av = (AV *)SvRV (data); |
|
|
1779 | int i; |
|
|
1780 | |
|
|
1781 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
1782 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
1783 | PUSHs (AvARRAY (av)[i]); |
|
|
1784 | |
|
|
1785 | PUTBACK; |
|
|
1786 | } |
|
|
1787 | |
|
|
1788 | return 0; |
|
|
1789 | } |
|
|
1790 | |
|
|
1791 | static void |
|
|
1792 | slf_init_rouse_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1793 | { |
|
|
1794 | SV *cb; |
|
|
1795 | |
|
|
1796 | if (items) |
|
|
1797 | cb = arg [0]; |
|
|
1798 | else |
|
|
1799 | { |
|
|
1800 | struct coro *coro = SvSTATE_current; |
|
|
1801 | |
|
|
1802 | if (!coro->rouse_cb) |
|
|
1803 | croak ("Coro::rouse_wait called without rouse callback, and no default rouse callback found either,"); |
|
|
1804 | |
|
|
1805 | cb = sv_2mortal (coro->rouse_cb); |
|
|
1806 | coro->rouse_cb = 0; |
|
|
1807 | } |
|
|
1808 | |
|
|
1809 | if (!SvROK (cb) |
|
|
1810 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
|
|
1811 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
|
|
1812 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
|
|
1813 | |
|
|
1814 | { |
|
|
1815 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
|
|
1816 | SV *data = (SV *)GENSUB_ARG; |
|
|
1817 | |
|
|
1818 | frame->data = (void *)data; |
|
|
1819 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
|
|
1820 | frame->check = slf_check_rouse_wait; |
|
|
1821 | } |
|
|
1822 | } |
|
|
1823 | |
|
|
1824 | static SV * |
|
|
1825 | coro_new_rouse_cb (pTHX) |
|
|
1826 | { |
|
|
1827 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1828 | struct coro *coro = SvSTATE_hv (hv); |
|
|
1829 | SV *data = newRV_inc ((SV *)hv); |
|
|
1830 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
|
|
1831 | |
|
|
1832 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
|
|
1833 | |
|
|
1834 | SvREFCNT_dec (coro->rouse_cb); |
|
|
1835 | coro->rouse_cb = SvREFCNT_inc_NN (cb); |
|
|
1836 | |
|
|
1837 | return cb; |
1708 | } |
1838 | } |
1709 | |
1839 | |
1710 | /*****************************************************************************/ |
1840 | /*****************************************************************************/ |
1711 | /* schedule-like-function opcode (SLF) */ |
1841 | /* schedule-like-function opcode (SLF) */ |
1712 | |
1842 | |
… | |
… | |
1839 | } |
1969 | } |
1840 | while (slf_frame.check (aTHX_ &slf_frame)); |
1970 | while (slf_frame.check (aTHX_ &slf_frame)); |
1841 | |
1971 | |
1842 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
1972 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
1843 | |
1973 | |
|
|
1974 | /* exception handling */ |
|
|
1975 | if (expect_false (CORO_THROW)) |
|
|
1976 | { |
|
|
1977 | SV *exception = sv_2mortal (CORO_THROW); |
|
|
1978 | |
|
|
1979 | CORO_THROW = 0; |
|
|
1980 | sv_setsv (ERRSV, exception); |
|
|
1981 | croak (0); |
|
|
1982 | } |
|
|
1983 | |
1844 | /* return value handling - mostly like entersub */ |
1984 | /* return value handling - mostly like entersub */ |
1845 | /* make sure we put something on the stack in scalar context */ |
1985 | /* make sure we put something on the stack in scalar context */ |
1846 | if (GIMME_V == G_SCALAR) |
1986 | if (GIMME_V == G_SCALAR) |
1847 | { |
1987 | { |
1848 | dSP; |
1988 | dSP; |
… | |
… | |
1854 | bot [1] = *sp; |
1994 | bot [1] = *sp; |
1855 | |
1995 | |
1856 | SP = bot + 1; |
1996 | SP = bot + 1; |
1857 | |
1997 | |
1858 | PUTBACK; |
1998 | PUTBACK; |
1859 | } |
|
|
1860 | |
|
|
1861 | /* exception handling */ |
|
|
1862 | if (expect_false (coro_throw)) |
|
|
1863 | { |
|
|
1864 | SV *exception = sv_2mortal (coro_throw); |
|
|
1865 | |
|
|
1866 | coro_throw = 0; |
|
|
1867 | sv_setsv (ERRSV, exception); |
|
|
1868 | croak (0); |
|
|
1869 | } |
1999 | } |
1870 | |
2000 | |
1871 | return NORMAL; |
2001 | return NORMAL; |
1872 | } |
2002 | } |
1873 | |
2003 | |
… | |
… | |
1995 | PerlIOBuf_get_cnt, |
2125 | PerlIOBuf_get_cnt, |
1996 | PerlIOBuf_set_ptrcnt, |
2126 | PerlIOBuf_set_ptrcnt, |
1997 | }; |
2127 | }; |
1998 | |
2128 | |
1999 | /*****************************************************************************/ |
2129 | /*****************************************************************************/ |
|
|
2130 | /* Coro::Semaphore & Coro::Signal */ |
|
|
2131 | |
|
|
2132 | static SV * |
|
|
2133 | coro_waitarray_new (pTHX_ int count) |
|
|
2134 | { |
|
|
2135 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
|
|
2136 | AV *av = newAV (); |
|
|
2137 | SV **ary; |
|
|
2138 | |
|
|
2139 | /* unfortunately, building manually saves memory */ |
|
|
2140 | Newx (ary, 2, SV *); |
|
|
2141 | AvALLOC (av) = ary; |
|
|
2142 | AvARRAY (av) = ary; |
|
|
2143 | AvMAX (av) = 1; |
|
|
2144 | AvFILLp (av) = 0; |
|
|
2145 | ary [0] = newSViv (count); |
|
|
2146 | |
|
|
2147 | return newRV_noinc ((SV *)av); |
|
|
2148 | } |
|
|
2149 | |
2000 | /* Coro::Semaphore */ |
2150 | /* semaphore */ |
2001 | |
2151 | |
2002 | static void |
2152 | static void |
2003 | coro_semaphore_adjust (pTHX_ AV *av, IV adjust) |
2153 | coro_semaphore_adjust (pTHX_ AV *av, IV adjust) |
2004 | { |
2154 | { |
2005 | SV *count_sv = AvARRAY (av)[0]; |
2155 | SV *count_sv = AvARRAY (av)[0]; |
… | |
… | |
2035 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2185 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2036 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2186 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2037 | } |
2187 | } |
2038 | |
2188 | |
2039 | static int |
2189 | static int |
2040 | slf_check_semaphore_down (pTHX_ struct CoroSLF *frame) |
2190 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2041 | { |
2191 | { |
2042 | AV *av = (AV *)frame->data; |
2192 | AV *av = (AV *)frame->data; |
2043 | SV *count_sv = AvARRAY (av)[0]; |
2193 | SV *count_sv = AvARRAY (av)[0]; |
2044 | |
2194 | |
2045 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2195 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2046 | if (coro_throw && 0)//D |
2196 | if (CORO_THROW) |
2047 | return 0; |
2197 | return 0; |
2048 | else if (SvIVX (count_sv) > 0) |
2198 | else if (SvIVX (count_sv) > 0) |
2049 | { |
2199 | { |
2050 | SvSTATE_current->on_destroy = 0; |
2200 | SvSTATE_current->on_destroy = 0; |
|
|
2201 | |
|
|
2202 | if (acquire) |
2051 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2203 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
|
|
2204 | else |
|
|
2205 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
2206 | |
2052 | return 0; |
2207 | return 0; |
2053 | } |
2208 | } |
2054 | else |
2209 | else |
2055 | { |
2210 | { |
2056 | int i; |
2211 | int i; |
… | |
… | |
2065 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2220 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2066 | return 1; |
2221 | return 1; |
2067 | } |
2222 | } |
2068 | } |
2223 | } |
2069 | |
2224 | |
2070 | static void |
2225 | static int |
|
|
2226 | slf_check_semaphore_down (pTHX_ struct CoroSLF *frame) |
|
|
2227 | { |
|
|
2228 | return slf_check_semaphore_down_or_wait (aTHX_ frame, 1); |
|
|
2229 | } |
|
|
2230 | |
|
|
2231 | static int |
|
|
2232 | slf_check_semaphore_wait (pTHX_ struct CoroSLF *frame) |
|
|
2233 | { |
|
|
2234 | return slf_check_semaphore_down_or_wait (aTHX_ frame, 0); |
|
|
2235 | } |
|
|
2236 | |
|
|
2237 | static void |
2071 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2238 | slf_init_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2072 | { |
2239 | { |
2073 | AV *av = (AV *)SvRV (arg [0]); |
2240 | AV *av = (AV *)SvRV (arg [0]); |
2074 | |
2241 | |
2075 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2242 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2076 | { |
2243 | { |
… | |
… | |
2086 | |
2253 | |
2087 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2254 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2088 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2255 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2089 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2256 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2090 | } |
2257 | } |
|
|
2258 | } |
2091 | |
2259 | |
|
|
2260 | static void |
|
|
2261 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2262 | { |
|
|
2263 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
2092 | frame->check = slf_check_semaphore_down; |
2264 | frame->check = slf_check_semaphore_down; |
2093 | |
|
|
2094 | } |
2265 | } |
2095 | |
2266 | |
2096 | /*****************************************************************************/ |
2267 | static void |
2097 | /* gensub: simple closure generation utility */ |
2268 | slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2098 | |
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|
2099 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
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2100 | |
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|
2101 | /* create a closure from XS, returns a code reference */ |
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2102 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
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2103 | /* the callback must use dXSARGS/XSRETURN */ |
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2104 | static SV * |
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|
2105 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
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2106 | { |
2269 | { |
2107 | CV *cv = (CV *)newSV (0); |
2270 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
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2271 | frame->check = slf_check_semaphore_wait; |
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2272 | } |
2108 | |
2273 | |
2109 | sv_upgrade ((SV *)cv, SVt_PVCV); |
2274 | /* signal */ |
2110 | |
2275 | |
2111 | CvANON_on (cv); |
2276 | static void |
2112 | CvISXSUB_on (cv); |
2277 | coro_signal_wake (pTHX_ AV *av, int count) |
2113 | CvXSUB (cv) = xsub; |
2278 | { |
2114 | GENSUB_ARG = arg; |
2279 | SvIVX (AvARRAY (av)[0]) = 0; |
2115 | |
2280 | |
2116 | return newRV_noinc ((SV *)cv); |
2281 | /* now signal count waiters */ |
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2282 | while (count > 0 && AvFILLp (av) > 0) |
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2283 | { |
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2284 | SV *cb; |
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2285 | |
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2286 | /* swap first two elements so we can shift a waiter */ |
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2287 | cb = AvARRAY (av)[0]; |
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2288 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
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2289 | AvARRAY (av)[1] = cb; |
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2290 | |
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2291 | cb = av_shift (av); |
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2292 | |
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2293 | api_ready (aTHX_ cb); |
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2294 | sv_setiv (cb, 0); /* signal waiter */ |
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2295 | SvREFCNT_dec (cb); |
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2296 | |
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2297 | --count; |
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2298 | } |
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2299 | } |
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2300 | |
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2301 | static int |
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2302 | slf_check_signal_wait (pTHX_ struct CoroSLF *frame) |
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2303 | { |
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2304 | /* if we are about to throw, also stop waiting */ |
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2305 | return SvROK ((SV *)frame->data) && !CORO_THROW; |
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2306 | } |
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2307 | |
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2308 | static void |
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2309 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
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2310 | { |
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2311 | AV *av = (AV *)SvRV (arg [0]); |
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2312 | |
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2313 | if (SvIVX (AvARRAY (av)[0])) |
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2314 | { |
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2315 | SvIVX (AvARRAY (av)[0]) = 0; |
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2316 | frame->prepare = prepare_nop; |
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2317 | frame->check = slf_check_nop; |
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2318 | } |
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2319 | else |
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2320 | { |
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2321 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
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2322 | |
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2323 | av_push (av, waiter); |
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2324 | |
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2325 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
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2326 | frame->prepare = prepare_schedule; |
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2327 | frame->check = slf_check_signal_wait; |
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2328 | } |
2117 | } |
2329 | } |
2118 | |
2330 | |
2119 | /*****************************************************************************/ |
2331 | /*****************************************************************************/ |
2120 | /* Coro::AIO */ |
2332 | /* Coro::AIO */ |
2121 | |
2333 | |
… | |
… | |
2170 | |
2382 | |
2171 | static int |
2383 | static int |
2172 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
2384 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
2173 | { |
2385 | { |
2174 | AV *state = (AV *)frame->data; |
2386 | AV *state = (AV *)frame->data; |
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2387 | |
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2388 | /* if we are about to throw, return early */ |
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2389 | /* this does not cancel the aio request, but at least */ |
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2390 | /* it quickly returns */ |
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2391 | if (CORO_THROW) |
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2392 | return 0; |
2175 | |
2393 | |
2176 | /* one element that is an RV? repeat! */ |
2394 | /* one element that is an RV? repeat! */ |
2177 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
2395 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
2178 | return 1; |
2396 | return 1; |
2179 | |
2397 | |
… | |
… | |
2511 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
2729 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
2512 | PROTOTYPE: $;$ |
2730 | PROTOTYPE: $;$ |
2513 | CODE: |
2731 | CODE: |
2514 | { |
2732 | { |
2515 | struct coro *current = SvSTATE_current; |
2733 | struct coro *current = SvSTATE_current; |
2516 | SV **throwp = self == current ? &coro_throw : &self->throw; |
2734 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
2517 | SvREFCNT_dec (*throwp); |
2735 | SvREFCNT_dec (*throwp); |
2518 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
2736 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
2519 | } |
2737 | } |
2520 | |
2738 | |
2521 | void |
2739 | void |
… | |
… | |
2610 | coroapi.ready = api_ready; |
2828 | coroapi.ready = api_ready; |
2611 | coroapi.is_ready = api_is_ready; |
2829 | coroapi.is_ready = api_is_ready; |
2612 | coroapi.nready = coro_nready; |
2830 | coroapi.nready = coro_nready; |
2613 | coroapi.current = coro_current; |
2831 | coroapi.current = coro_current; |
2614 | |
2832 | |
2615 | GCoroAPI = &coroapi; |
2833 | /*GCoroAPI = &coroapi;*/ |
2616 | sv_setiv (sv, (IV)&coroapi); |
2834 | sv_setiv (sv, (IV)&coroapi); |
2617 | SvREADONLY_on (sv); |
2835 | SvREADONLY_on (sv); |
2618 | } |
2836 | } |
2619 | } |
2837 | } |
2620 | |
2838 | |
… | |
… | |
2756 | api_trace (aTHX_ coro_current, 0); |
2974 | api_trace (aTHX_ coro_current, 0); |
2757 | |
2975 | |
2758 | av_push (av_async_pool, newSVsv (coro_current)); |
2976 | av_push (av_async_pool, newSVsv (coro_current)); |
2759 | } |
2977 | } |
2760 | |
2978 | |
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2979 | SV * |
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2980 | rouse_cb () |
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2981 | PROTOTYPE: |
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2982 | CODE: |
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2983 | RETVAL = coro_new_rouse_cb (aTHX); |
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2984 | OUTPUT: |
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2985 | RETVAL |
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2986 | |
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2987 | void |
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2988 | rouse_wait (SV *cb = 0) |
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2989 | PROTOTYPE: ;$ |
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2990 | PPCODE: |
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2991 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
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2992 | |
2761 | |
2993 | |
2762 | MODULE = Coro::State PACKAGE = PerlIO::cede |
2994 | MODULE = Coro::State PACKAGE = PerlIO::cede |
2763 | |
2995 | |
2764 | BOOT: |
2996 | BOOT: |
2765 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
2997 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
2766 | |
2998 | |
2767 | |
2999 | |
2768 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3000 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
2769 | |
3001 | |
2770 | SV * |
3002 | SV * |
2771 | new (SV *klass, SV *count_ = 0) |
3003 | new (SV *klass, SV *count = 0) |
2772 | CODE: |
3004 | CODE: |
2773 | { |
3005 | RETVAL = sv_bless ( |
2774 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
3006 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
2775 | AV *av = newAV (); |
3007 | GvSTASH (CvGV (cv)) |
2776 | SV **ary; |
3008 | ); |
|
|
3009 | OUTPUT: |
|
|
3010 | RETVAL |
2777 | |
3011 | |
2778 | /* unfortunately, building manually saves memory */ |
3012 | # helper for Coro::Channel |
2779 | Newx (ary, 2, SV *); |
3013 | SV * |
2780 | AvALLOC (av) = ary; |
3014 | _alloc (int count) |
2781 | AvARRAY (av) = ary; |
3015 | CODE: |
2782 | AvMAX (av) = 1; |
3016 | RETVAL = coro_waitarray_new (aTHX_ count); |
2783 | AvFILLp (av) = 0; |
|
|
2784 | ary [0] = newSViv (count_ && SvOK (count_) ? SvIV (count_) : 1); |
|
|
2785 | |
|
|
2786 | RETVAL = sv_bless (newRV_noinc ((SV *)av), GvSTASH (CvGV (cv))); |
|
|
2787 | } |
|
|
2788 | OUTPUT: |
3017 | OUTPUT: |
2789 | RETVAL |
3018 | RETVAL |
2790 | |
3019 | |
2791 | SV * |
3020 | SV * |
2792 | count (SV *self) |
3021 | count (SV *self) |
… | |
… | |
2804 | |
3033 | |
2805 | void |
3034 | void |
2806 | down (SV *self) |
3035 | down (SV *self) |
2807 | CODE: |
3036 | CODE: |
2808 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
3037 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
|
|
3038 | |
|
|
3039 | void |
|
|
3040 | wait (SV *self) |
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|
3041 | CODE: |
|
|
3042 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait); |
2809 | |
3043 | |
2810 | void |
3044 | void |
2811 | try (SV *self) |
3045 | try (SV *self) |
2812 | PPCODE: |
3046 | PPCODE: |
2813 | { |
3047 | { |
… | |
… | |
2825 | XSRETURN_NO; |
3059 | XSRETURN_NO; |
2826 | } |
3060 | } |
2827 | |
3061 | |
2828 | void |
3062 | void |
2829 | waiters (SV *self) |
3063 | waiters (SV *self) |
2830 | CODE: |
3064 | PPCODE: |
2831 | { |
3065 | { |
2832 | AV *av = (AV *)SvRV (self); |
3066 | AV *av = (AV *)SvRV (self); |
|
|
3067 | int wcount = AvFILLp (av) + 1 - 1; |
2833 | |
3068 | |
2834 | if (GIMME_V == G_SCALAR) |
3069 | if (GIMME_V == G_SCALAR) |
2835 | XPUSHs (sv_2mortal (newSVsv (AvARRAY (av)[0]))); |
3070 | XPUSHs (sv_2mortal (newSViv (wcount))); |
2836 | else |
3071 | else |
2837 | { |
3072 | { |
2838 | int i; |
3073 | int i; |
2839 | EXTEND (SP, AvFILLp (av) + 1 - 1); |
3074 | EXTEND (SP, wcount); |
2840 | for (i = 1; i <= AvFILLp (av); ++i) |
3075 | for (i = 1; i <= wcount; ++i) |
2841 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3076 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
2842 | } |
3077 | } |
2843 | } |
3078 | } |
|
|
3079 | |
|
|
3080 | MODULE = Coro::State PACKAGE = Coro::Signal |
|
|
3081 | |
|
|
3082 | SV * |
|
|
3083 | new (SV *klass) |
|
|
3084 | CODE: |
|
|
3085 | RETVAL = sv_bless ( |
|
|
3086 | coro_waitarray_new (aTHX_ 0), |
|
|
3087 | GvSTASH (CvGV (cv)) |
|
|
3088 | ); |
|
|
3089 | OUTPUT: |
|
|
3090 | RETVAL |
|
|
3091 | |
|
|
3092 | void |
|
|
3093 | wait (SV *self) |
|
|
3094 | CODE: |
|
|
3095 | CORO_EXECUTE_SLF_XS (slf_init_signal_wait); |
|
|
3096 | |
|
|
3097 | void |
|
|
3098 | broadcast (SV *self) |
|
|
3099 | CODE: |
|
|
3100 | { |
|
|
3101 | AV *av = (AV *)SvRV (self); |
|
|
3102 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
|
|
3103 | } |
|
|
3104 | |
|
|
3105 | void |
|
|
3106 | send (SV *self) |
|
|
3107 | CODE: |
|
|
3108 | { |
|
|
3109 | AV *av = (AV *)SvRV (self); |
|
|
3110 | |
|
|
3111 | if (AvFILLp (av)) |
|
|
3112 | coro_signal_wake (aTHX_ av, 1); |
|
|
3113 | else |
|
|
3114 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
|
|
3115 | } |
|
|
3116 | |
|
|
3117 | IV |
|
|
3118 | awaited (SV *self) |
|
|
3119 | CODE: |
|
|
3120 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
|
|
3121 | OUTPUT: |
|
|
3122 | RETVAL |
2844 | |
3123 | |
2845 | |
3124 | |
2846 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
3125 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
2847 | |
3126 | |
2848 | BOOT: |
3127 | BOOT: |