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| 09:21.32 | skrusty | morning all |
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| 09:33.49 | oej | Morning folks |
| 09:42.34 | skrusty | morning |
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| 10:36.37 | jsmith | Morning! |
| 10:41.49 | skrusty | morning |
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| 11:28.51 | danjenkins | morning jsmith and skrusty |
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| 13:19.42 | leifmadsen | ohai |
| 13:19.56 | opticron | ahoy |
| 13:20.34 | file | moo |
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| 16:43.37 | seanbright | getting an occasional crash with 12 at res_pjsip/pjsip_distributor.c:174 |
| 16:43.57 | seanbright | assertion in pj_mutex_unlock |
| 16:44.09 | seanbright | i guess i have to open a ticket |
| 16:44.12 | seanbright | UGH |
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| 16:55.42 | coreyf1513 | . |
| 16:56.05 | pabelanger | , |
| 16:56.51 | coreyf1513 | oops |
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| 20:24.36 | gtjoseph | coreyf1513: isn't the race condition going to happen regardless of container? There's no locking in internal_ao2_ref. |
| 20:25.35 | coreyf1513 | gtjoseph: internal_ao2_ref has to assume that the caller has atleast 1 reference. therefore it's impossible for a different thread to destroy the object, since the current thread already has a reference |
| 20:26.00 | coreyf1513 | so technically it's impossible/unsafe to get a reference when you don't already have one |
| 20:26.55 | gtjoseph | hmmm. not seeing that. |
| 20:27.08 | coreyf1513 | what do you mean? |
| 20:27.32 | gtjoseph | nothing says you can't have an object without a ref. |
| 20:27.43 | gtjoseph | you may not be able to get it out of a container... |
| 20:27.53 | gtjoseph | but nothing says you have to use containers |
| 20:33.02 | coreyf1513 | I'm not really sure how to explain it. the assumption is if you have a pointer to an ao2 object, that pointer should be counted by the ao2 refs. |
| 20:33.53 | coreyf1513 | this statement applies to using containers or not. |
| 20:34.57 | gtjoseph | but that statement isn't enforced in the code. |
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| 20:35.33 | file | it's not exactly something you can explicitly enforce, it's enforced by usage of ao2 |
| 20:35.49 | gtjoseph | exactly |
| 20:36.07 | gtjoseph | a user of the astobj2 can do nasty things at any time |
| 20:36.30 | coreyf1513 | gtjoseph: that would require C to have knowledge of ao2, which it doesn't. it's up to people on reviewboard to prevent misuse of astobj2 |
| 20:37.10 | gtjoseph | agreed, that's my whole point. it's not possible to code for every possible race condition. |
| 20:37.38 | gtjoseph | whether weak or strong reference |
| 20:37.47 | file | errrr |
| 20:37.59 | file | if you have a strong reference and you use it improperly then yes, you can do bad stuff |
| 20:38.03 | file | but if used properly then it's fine |
| 20:38.05 | coreyf1513 | gtjoseph: but as long as people follow the rules, ao2 doesn't race (that I know of). what you're proposing would make it so races can happen when everyone follows the rules |
| 20:39.33 | gtjoseph | yeah, but i think i have a solution. :) I just need to test it. |
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