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| 216 | # include <sys/inotify.h> |
216 | # include <sys/inotify.h> |
| 217 | #endif |
217 | #endif |
| 218 | |
218 | |
| 219 | /**/ |
219 | /**/ |
| 220 | |
220 | |
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221 | /* |
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222 | * This is used to avoid floating point rounding problems. |
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223 | * It is added to ev_rt_now when scheduling periodics |
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224 | * to ensure progress, time-wise, even when rounding |
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225 | * errors are against us. |
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226 | * This value is good at least till the year 4000 |
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227 | * and intervals up to 20 years. |
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228 | * Better solutions welcome. |
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229 | */ |
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230 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
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231 | |
| 221 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
232 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
| 222 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
233 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
| 223 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
234 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
| 224 | |
235 | |
| 225 | #if __GNUC__ >= 3 |
236 | #if __GNUC__ >= 3 |
| 226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
237 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
| 227 | # define noinline __attribute__ ((noinline)) |
238 | # define noinline __attribute__ ((noinline)) |
| 228 | #else |
239 | #else |
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| 1231 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1242 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
| 1232 | |
1243 | |
| 1233 | /* first reschedule or stop timer */ |
1244 | /* first reschedule or stop timer */ |
| 1234 | if (w->reschedule_cb) |
1245 | if (w->reschedule_cb) |
| 1235 | { |
1246 | { |
| 1236 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001220703125 /* 1/8192 */); |
1247 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
| 1237 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1248 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
| 1238 | downheap ((WT *)periodics, periodiccnt, 0); |
1249 | downheap ((WT *)periodics, periodiccnt, 0); |
| 1239 | } |
1250 | } |
| 1240 | else if (w->interval) |
1251 | else if (w->interval) |
| 1241 | { |
1252 | { |
| 1242 | ((WT)w)->at = w->offset + (floor ((ev_rt_now - w->offset) / w->interval) + 1.) * w->interval; |
1253 | ((WT)w)->at = w->offset + floor ((ev_rt_now + TIME_EPSILON - w->offset) / w->interval + 1.) * w->interval; |
| 1243 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1254 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
| 1244 | downheap ((WT *)periodics, periodiccnt, 0); |
1255 | downheap ((WT *)periodics, periodiccnt, 0); |
| 1245 | } |
1256 | } |
| 1246 | else |
1257 | else |
| 1247 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1258 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
