kernel: spawn: Return process exit status on fail

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/sys/kern/kern_spawn.c b/sys/kern/kern_spawn.c
index 4105668..4ec1bfb 100644
--- a/sys/kern/kern_spawn.c
+++ b/sys/kern/kern_spawn.c
@@ -153,6 +153,7 @@ spawn(struct proc *cur, void(*func)(void), void *p, int flags, struct proc **new
     atomic_inc_int(&cur->nleaves);
     newproc->parent = cur;
     newproc->data = p;
+    newproc->exit_status = -1;
 
     /* Initialize the mmap ledger */
     mlgdr->nbytes = 0;
@@ -177,6 +178,10 @@ spawn(struct proc *cur, void(*func)(void), void *p, int flags, struct proc **new
             panic("possibly memory corruption\n");
         }
 
+        if (newproc->exit_status < 0) {
+            pid = newproc->exit_status;
+        }
+
         proc_reap(newproc);
     }