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ProcessList: fix treeview on OpenBSD when hiding kernel threads

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Currently the tree-view is empty on OpenBSD when kernel threads are
hidden, cause the kernel thread 'swapper' has pid 0 and gets treated as
root of the tree and parent of 'init'.

Do not build any tree with a pid 0 root node.
This commit is contained in:
Christian Göttsche 2021-03-19 19:54:29 +01:00
parent 70fecb4984
commit 58ad020aca
1 changed files with 5 additions and 0 deletions
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5
ProcessList.c
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@ -311,6 +311,11 @@ static void ProcessList_updateTreeSet(ProcessList* this) {
}
static void ProcessList_buildTreeBranch(ProcessList* this, pid_t pid, int level, int indent, int direction, bool show, int* node_counter, int* node_index) {
// On OpenBSD the kernel thread 'swapper' has pid 0.
// Do not treat it as root of any tree.
if (pid == 0)
return;
Vector* children = Vector_new(Class(Process), false, DEFAULT_SIZE);
for (int i = Vector_size(this->processes) - 1; i >= 0; i--) {