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jobctl: fix group refcounting

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Matheus
2024-05-22 09:45:00 -03:00
parent b61d391778
commit 7e099fd0a5
1 changed files with 3 additions and 4 deletions
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kernel-src/sys/jobctl.c
+3 -4
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@@ -174,11 +174,9 @@ int jobctl_newgroup(proc_t *proc) {
bool intstatus = interrupt_set(false); bool intstatus = interrupt_set(false);
spinlock_acquire(&proc->jobctllock); spinlock_acquire(&proc->jobctllock);
// check if session/group leader // check if already group leader
if (proc->pgrp.leader == NULL) { if (proc->pgrp.leader == NULL)
error = EPERM;
goto leave; goto leave;
}
unholdpgrp = proc->pgrp.leader; unholdpgrp = proc->pgrp.leader;
@@ -217,6 +215,7 @@ int jobctl_changegroup(proc_t *proc, proc_t *group) {
removefromlist(proc->pgrp.leader, proc); removefromlist(proc->pgrp.leader, proc);
unholdpgrp = proc->pgrp.leader; unholdpgrp = proc->pgrp.leader;
proc->pgrp.leader = group; proc->pgrp.leader = group;
PROC_HOLD(group);
addtolist(group, proc); addtolist(group, proc);
leave: leave: