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Created on 2019-04-12 17:58 by cagney, last changed 2022-04-11 14:59 by admin.
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| msg340091 - (view) | Author: cagney (cagney) | Date: 2019-04-12 17:58 | |
How can I detect that os.posix_spawn(setsid=True) is available at runtime? I'd like to use os.posix_spawn(setsid=True) when it is available, and (assuming I'm getting this right) os.posix_spawn(setpgroup=0) as a poor fallback. |
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| msg340248 - (view) | Author: STINNER Victor (vstinner) *  |
Date: 2019-04-15 09:41 | |
Maybe we need to expose an object in the os module to list which parameters are supported. setsid is not argument, but scheduler is another argument. There is also a discussion to add another argument to os.posix_spawn() to specify the working directly: it's not possible on all platforms neither.
Currently, there are os.supports_* constants like os.supports_dir_fd (set of function names). But I would prefer to have an object just for posix_spawn. Maybe:
os.supported_posix_spawn_args = ('file_actions', setpgroup', 'resetids', 'setsid', 'setsigmark', 'setsigdef', 'scheduler')
The value would depend depending on the platform.
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| msg340249 - (view) | Author: STINNER Victor (vstinner) * |
Date: 2019-04-15 09:42 | |
Hum, os.supports_posix_spawn_args name would be more consistent with os.supports_dir_fd name. |
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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2022-04-11 14:59:13 | admin | set | github: 80800 |
| 2019-04-15 09:42:02 | vstinner | set | messages: + msg340249 |
| 2019-04-15 09:41:12 | vstinner | set | nosy:
+ methane, serhiy.storchaka, pablogsal messages: + msg340248 |
| 2019-04-14 21:21:38 | nanjekyejoannah | set | nosy:
+ vstinner, nanjekyejoannah |
| 2019-04-12 17:58:10 | cagney | create | |