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Optimize the latency of lmbench-signal-prot

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This commit is contained in:
Jianfeng Jiang
2024-08-27 06:37:02 +00:00
committed by Tate, Hongliang Tian
parent 7b58d97aa2
commit a72c7dadf3
11 changed files with 137 additions and 87 deletions
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2
kernel/src/syscall/wait4.rs
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@ -27,7 +27,7 @@ pub fn sys_wait4(
return Ok(SyscallReturn::Return(0 as _));
};
let (return_pid, exit_code) = (process.pid(), process.exit_code().unwrap());
let (return_pid, exit_code) = (process.pid(), process.exit_code());
if exit_status_ptr != 0 {
ctx.get_user_space()
.write_val(exit_status_ptr as _, &exit_code)?;