andrey/rCore-Tutorial-v3
1
0
Fork 0
mirror of https://github.com/rcore-os/rCore-Tutorial-v3.git synced 2024-11-21 17:06:25 +04:00
Code Issues Projects Releases Wiki Activity

bugfix #144: Do not free kstack when the main thread exits

Browse Source
This commit is contained in:
Yifan Wu 2024-03-03 22:09:17 +08:00
parent 03c4188c08
commit aaab6d3dd6
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
os/src/task/mod.rs
View File

@ -127,6 +127,13 @@ pub fn exit_current_and_run_next(exit_code: i32) {
process_inner.memory_set.recycle_data_pages();
// drop file descriptors
process_inner.fd_table.clear();
// Remove all tasks except for the main thread itself.
// This is because we are still using the kstack under the TCB
// of the main thread. This TCB, including its kstack, will be
// deallocated when the process is reaped via waitpid.
while process_inner.tasks.len() > 1 {
process_inner.tasks.pop();
}
}
drop(process);
// we do not have to save task context