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| nine | Good morning, brrt! | 09:42 | |
| brrt | good * nine | ||
| i presume morning, fwiw | |||
| :-) | |||
| i was reading jnthn++ s nice post. and i was thinking obviously only of the technical issue | |||
| see, | |||
| since fork() will kill any threads | 09:43 | ||
| except for the forking thread | |||
| why don't we... cooperate with that a bit? | |||
| as in, implement and wait for orderly shutdown of all currently running threads, and fork only then | |||
| (seeing the activity from MasterDuke++ and nine++ tells me it is high time for me to blog once more) | 09:46 | ||
| nine | Reading pthread_atfork (3p) it sounds at least possible to safely fork() a program running only one thread + the spesh worker. We'd have to synchronize the threads, properly shut down the spesh worker and restart it in both processes after the fork. | 10:02 | |
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| brrt | proper shutdown of the spesh worker should be possible | 10:06 | |
| also | |||
| we already have the gc syncpoint | |||
| *mechanism for waiting for threads to block | 10:07 | ||
| the way i'm thinking off spesh worker shutdown, is to: - flush the existing work quue and put a sentinel value | 10:08 | ||
| and for those threads that are waiting for a syscall, we might be able to interupt them with a well-placed signal | |||
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| Geth | MoarVM: cygx++ created pull request #789: Make MVM_spesh_manipulate_remove_handler_successors() public |
23:04 | |
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