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391 | # define inline_speed static noinline |
391 | # define inline_speed static noinline |
392 | #else |
392 | #else |
393 | # define inline_speed static inline |
393 | # define inline_speed static inline |
394 | #endif |
394 | #endif |
395 | |
395 | |
396 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
396 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
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397 | |
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398 | #if EV_MINPRI == EV_MAXPRI |
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399 | # define ABSPRI(w) (((W)w), 0) |
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400 | #else |
397 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
401 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
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|
402 | #endif |
398 | |
403 | |
399 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
404 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
400 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
405 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
401 | |
406 | |
402 | typedef ev_watcher *W; |
407 | typedef ev_watcher *W; |
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627 | |
632 | |
628 | tv.tv_sec = (time_t)delay; |
633 | tv.tv_sec = (time_t)delay; |
629 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
634 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
630 | |
635 | |
631 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
636 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
632 | /* somehting nto guaranteed by newer posix versions, but guaranteed */ |
637 | /* somehting not guaranteed by newer posix versions, but guaranteed */ |
633 | /* by older ones */ |
638 | /* by older ones */ |
634 | select (0, 0, 0, 0, &tv); |
639 | select (0, 0, 0, 0, &tv); |
635 | #endif |
640 | #endif |
636 | } |
641 | } |
637 | } |
642 | } |
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1358 | ev_loop_count (EV_P) |
1363 | ev_loop_count (EV_P) |
1359 | { |
1364 | { |
1360 | return loop_count; |
1365 | return loop_count; |
1361 | } |
1366 | } |
1362 | |
1367 | |
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1368 | unsigned int |
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1369 | ev_loop_depth (EV_P) |
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1370 | { |
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1371 | return loop_depth; |
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|
1372 | } |
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1373 | |
1363 | void |
1374 | void |
1364 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1375 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
1365 | { |
1376 | { |
1366 | io_blocktime = interval; |
1377 | io_blocktime = interval; |
1367 | } |
1378 | } |
… | |
… | |
2020 | |
2031 | |
2021 | mn_now = ev_rt_now; |
2032 | mn_now = ev_rt_now; |
2022 | } |
2033 | } |
2023 | } |
2034 | } |
2024 | |
2035 | |
2025 | static int loop_done; |
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2026 | |
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2027 | void |
2036 | void |
2028 | ev_loop (EV_P_ int flags) |
2037 | ev_loop (EV_P_ int flags) |
2029 | { |
2038 | { |
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|
2039 | ++loop_depth; |
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|
2040 | |
2030 | loop_done = EVUNLOOP_CANCEL; |
2041 | loop_done = EVUNLOOP_CANCEL; |
2031 | |
2042 | |
2032 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
2043 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
2033 | |
2044 | |
2034 | do |
2045 | do |
… | |
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2075 | ev_tstamp waittime = 0.; |
2086 | ev_tstamp waittime = 0.; |
2076 | ev_tstamp sleeptime = 0.; |
2087 | ev_tstamp sleeptime = 0.; |
2077 | |
2088 | |
2078 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2089 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
2079 | { |
2090 | { |
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|
2091 | /* remember old timestamp for io_blocktime calculation */ |
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|
2092 | ev_tstamp prev_mn_now = mn_now; |
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|
2093 | |
2080 | /* update time to cancel out callback processing overhead */ |
2094 | /* update time to cancel out callback processing overhead */ |
2081 | time_update (EV_A_ 1e100); |
2095 | time_update (EV_A_ 1e100); |
2082 | |
2096 | |
2083 | waittime = MAX_BLOCKTIME; |
2097 | waittime = MAX_BLOCKTIME; |
2084 | |
2098 | |
… | |
… | |
2094 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
2108 | ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge; |
2095 | if (waittime > to) waittime = to; |
2109 | if (waittime > to) waittime = to; |
2096 | } |
2110 | } |
2097 | #endif |
2111 | #endif |
2098 | |
2112 | |
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|
2113 | /* don't let timeouts decrease the waittime below timeout_blocktime */ |
2099 | if (expect_false (waittime < timeout_blocktime)) |
2114 | if (expect_false (waittime < timeout_blocktime)) |
2100 | waittime = timeout_blocktime; |
2115 | waittime = timeout_blocktime; |
2101 | |
2116 | |
2102 | sleeptime = waittime - backend_fudge; |
2117 | /* extra check because io_blocktime is commonly 0 */ |
2103 | |
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|
2104 | if (expect_true (sleeptime > io_blocktime)) |
2118 | if (expect_false (io_blocktime)) |
2105 | sleeptime = io_blocktime; |
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2106 | |
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2107 | if (sleeptime) |
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2108 | { |
2119 | { |
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2120 | sleeptime = io_blocktime - (mn_now - prev_mn_now); |
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2121 | |
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2122 | if (sleeptime > waittime - backend_fudge) |
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2123 | sleeptime = waittime - backend_fudge; |
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2124 | |
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2125 | if (expect_true (sleeptime > 0.)) |
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2126 | { |
2109 | ev_sleep (sleeptime); |
2127 | ev_sleep (sleeptime); |
2110 | waittime -= sleeptime; |
2128 | waittime -= sleeptime; |
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|
2129 | } |
2111 | } |
2130 | } |
2112 | } |
2131 | } |
2113 | |
2132 | |
2114 | ++loop_count; |
2133 | ++loop_count; |
2115 | backend_poll (EV_A_ waittime); |
2134 | backend_poll (EV_A_ waittime); |
… | |
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2141 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2160 | && !(flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK)) |
2142 | )); |
2161 | )); |
2143 | |
2162 | |
2144 | if (loop_done == EVUNLOOP_ONE) |
2163 | if (loop_done == EVUNLOOP_ONE) |
2145 | loop_done = EVUNLOOP_CANCEL; |
2164 | loop_done = EVUNLOOP_CANCEL; |
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2165 | |
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2166 | --loop_depth; |
2146 | } |
2167 | } |
2147 | |
2168 | |
2148 | void |
2169 | void |
2149 | ev_unloop (EV_P_ int how) |
2170 | ev_unloop (EV_P_ int how) |
2150 | { |
2171 | { |
… | |
… | |
2242 | } |
2263 | } |
2243 | |
2264 | |
2244 | inline_size void |
2265 | inline_size void |
2245 | pri_adjust (EV_P_ W w) |
2266 | pri_adjust (EV_P_ W w) |
2246 | { |
2267 | { |
2247 | int pri = w->priority; |
2268 | int pri = ev_priority (w); |
2248 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2269 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
2249 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2270 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
2250 | w->priority = pri; |
2271 | ev_set_priority (w, pri); |
2251 | } |
2272 | } |
2252 | |
2273 | |
2253 | inline_speed void |
2274 | inline_speed void |
2254 | ev_start (EV_P_ W w, int active) |
2275 | ev_start (EV_P_ W w, int active) |
2255 | { |
2276 | { |