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Support signal mechanism for ch8(only works on signal-thread apps)

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This commit is contained in:
Yifan Wu 2022-01-23 13:14:56 -08:00
parent 59f13cb536
commit 26bc01f3bc
17 changed files with 235 additions and 17 deletions
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5
user/src/syscall.rs
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@ -9,6 +9,7 @@ const SYSCALL_WRITE: usize = 64;
const SYSCALL_EXIT: usize = 93;
const SYSCALL_SLEEP: usize = 101;
const SYSCALL_YIELD: usize = 124;
const SYSCALL_KILL: usize = 129;
const SYSCALL_GET_TIME: usize = 169;
const SYSCALL_GETPID: usize = 172;
const SYSCALL_FORK: usize = 220;
@ -81,6 +82,10 @@ pub fn sys_yield() -> isize {
syscall(SYSCALL_YIELD, [0, 0, 0])
}
pub fn sys_kill(pid: usize, signal: i32) -> isize {
syscall(SYSCALL_KILL, [pid, signal as usize, 0])
}
pub fn sys_get_time() -> isize {
syscall(SYSCALL_GET_TIME, [0, 0, 0])
}