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Remove unnecessary context switch in waitpid

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This commit is contained in:
Jeremy Soller 2016-10-20 21:50:11 -06:00
parent 38531e2ecc
commit cbac6c4b8d
1 changed files with 19 additions and 23 deletions
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4
kernel/syscall/process.rs
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@ -896,7 +896,6 @@ pub fn virttophys(virtual_address: usize) -> Result<usize> {
pub fn waitpid(pid: usize, status_ptr: usize, flags: usize) -> Result<usize> { pub fn waitpid(pid: usize, status_ptr: usize, flags: usize) -> Result<usize> {
loop { loop {
{
let mut exited = false; let mut exited = false;
let waitpid; let waitpid;
{ {
@ -922,7 +921,4 @@ pub fn waitpid(pid: usize, status_ptr: usize, flags: usize) -> Result<usize> {
waitpid.wait(); waitpid.wait();
} }
} }
unsafe { context::switch(); } //TODO: Block
}
} }