X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/088403ac98acf7991507715d29a282dcba222053..1b471813a2ba287c2ace9cf6c866f330c725b99c:/lunaix-os/kernel/sched.c

diff --git a/lunaix-os/kernel/sched.c b/lunaix-os/kernel/sched.c
index 442921e..e7bcd9a 100644
--- a/lunaix-os/kernel/sched.c
+++ b/lunaix-os/kernel/sched.c
@@ -145,11 +145,12 @@ _wait(pid_t wpid, int* status, int options)
         return -1;
     }
 
+    wpid = wpid ? wpid : -__current->pgid;
     cpu_enable_interrupt();
 repeat:
     llist_for_each(proc, n, &__current->children, siblings)
     {
-        if (!~wpid || proc->pid == wpid) {
+        if (!~wpid || proc->pid == wpid || proc->pgid == -wpid) {
             if (proc->state == PROC_TERMNAT && !options) {
                 status_flags |= PROCTERM;
                 goto done;
@@ -205,8 +206,10 @@ push_process(struct proc_info* process)
 
     process = &sched_ctx._procs[index];
 
-    // make sure the address is in the range of process table
+    // make sure the reference is relative to process table
     llist_init_head(&process->children);
+    llist_init_head(&process->grp_member);
+
     // every process is the child of first process (pid=1)
     if (process->parent) {
         llist_append(&process->parent->children, &process->siblings);