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| author | Frans Kaashoek <kaashoek@mit.edu> | 2019-09-10 12:30:10 -0400 |
|---|---|---|
| committer | Frans Kaashoek <kaashoek@mit.edu> | 2019-09-10 12:30:10 -0400 |
| commit | 7e6c37e67e6da62e02089fc3292569103b7e94b3 (patch) | |
| tree | 8b3f2e762f1f0a32a4641d240d30b155af6ab34a /kernel/proc.h | |
| parent | 035cca95fe87c67ee1e33b9edfb2d87e24476fa8 (diff) | |
| download | xv6-labs-2022-7e6c37e67e6da62e02089fc3292569103b7e94b3.tar.xz xv6-labs-2022-7e6c37e67e6da62e02089fc3292569103b7e94b3.zip | |
Support exit status for exit/wait
One test case for returning a exit status
Passes usertests, but haven't used it to simplify tests
Diffstat (limited to 'kernel/proc.h')
| -rw-r--r-- | kernel/proc.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/proc.h b/kernel/proc.h index 655d79f..538b48a 100644 --- a/kernel/proc.h +++ b/kernel/proc.h @@ -91,6 +91,7 @@ struct proc { struct proc *parent; // Parent process void *chan; // If non-zero, sleeping on chan int killed; // If non-zero, have been killed + int xstate; // Exit status to be returned to parent's wait int pid; // Process ID // these are private to the process, so p->lock need not be held. |