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Prevent race condition in the kill command

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When killing views with `close_views` a use-after-free can sometimes
occur because parent views are killed before their children. This commit
makes `container_map` run functions on child containers before their
parent, fixing the race.

Fixes #1302
This commit is contained in:
Calvin Lee 2017-08-06 12:04:16 +02:00
parent f8d0e1f946
commit 3c93e2cf1b
1 changed files with 1 additions and 1 deletions
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2
sway/container.c
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@ -849,7 +849,6 @@ int swayc_gap(swayc_t *container) {
void container_map(swayc_t *container, void (*f)(swayc_t *view, void *data), void *data) {
if (container) {
f(container, data);
int i;
if (container->children) {
for (i = 0; i < container->children->length; ++i) {
@ -863,6 +862,7 @@ void container_map(swayc_t *container, void (*f)(swayc_t *view, void *data), voi
container_map(child, f, data);
}
}
f(container, data);
}
}