20 lines
549 B
Rust
20 lines
549 B
Rust
use crate::task::{exit_current_and_run_next, suspend_current_and_run_next};
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use crate::timer::get_time_ms;
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/// task exits and submit an exit code
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pub fn sys_exit(exit_code: i32) -> ! {
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println!("[kernel] Application exited with code {}", exit_code);
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exit_current_and_run_next();
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panic!("Unreachable in sys_exit!");
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}
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/// current task gives up resources for other tasks
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pub fn sys_yield() -> isize {
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suspend_current_and_run_next();
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0
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}
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/// get time in milliseconds
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pub fn sys_get_time() -> isize {
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get_time_ms() as isize
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}
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