os : implement os.sched_yield, os.sched_get_priority_min, os.sched_get_priority_max #2997
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Is this unix api or linux api? if it is unix apis, we don't need linux check. |
vm/src/stdlib/os.rs
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| let res = nix::sched::sched_yield(); | ||
| match res { | ||
| Ok(_) => Ok(()), | ||
| Err(err) => Err(err.into_pyexception(vm)), | ||
| } |
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| let res = nix::sched::sched_yield(); | |
| match res { | |
| Ok(_) => Ok(()), | |
| Err(err) => Err(err.into_pyexception(vm)), | |
| } | |
| let _ = nix::sched::sched_yield().map_err(|e| e.into_pyexception(vm))?; | |
| Ok(()) |
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I found I didn't remove target cfg from pyattr. The functions work. But pyattrs will not be simple. |
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Okay. I understood. |
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About About scheduling policies such as #ifdef SCHED_OTHER
if (PyModule_AddIntMacro(m, SCHED_OTHER)) return -1;
#endif
#ifdef SCHED_FIFO
if (PyModule_AddIntMacro(m, SCHED_FIFO)) return -1;
#endif
#ifdef SCHED_RR
if (PyModule_AddIntMacro(m, SCHED_RR)) return -1;
#endifhttps://github.com/python/cpython/blob/main/Modules/posixmodule.c#L15267-L15300 |
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This PR contains implementation of
os.sched_yield,os.sched_get_priority_minandos.sched_get_priority_max.You can check the interface of each function here : https://docs.python.org/3/library/os.html#interface-to-the-scheduler
Inside each function, related system call is called through the libc Crate.
with this code, rust python works as below.