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authorCalvin Lee <cyrus296@gmail.com>2018-02-04 10:37:46 -0700
committerCalvin Lee <cyrus296@gmail.com>2018-02-04 12:31:07 -0700
commita83bca6db5348033b21ebb4ed7bc189d39e2b0c4 (patch)
treeab10cd02219ad353a97794139e92e8801ce5871f /swaybar/bar.c
parent6ffcb031f9612b347971047f73ce070206048736 (diff)
Handle swaybar status line errors
The event loop API was redesigned to avoid race conditions as well. Fixes #1583
Diffstat (limited to 'swaybar/bar.c')
-rw-r--r--swaybar/bar.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/swaybar/bar.c b/swaybar/bar.c
index 6db556a8..deddf971 100644
--- a/swaybar/bar.c
+++ b/swaybar/bar.c
@@ -274,6 +274,14 @@ static void respond_ipc(int fd, short mask, void *_bar) {
static void respond_command(int fd, short mask, void *_bar) {
struct bar *bar = (struct bar *)_bar;
+ if (mask & POLLHUP) {
+ // Something's wrong with the command
+ handle_status_hup(bar->status);
+ dirty = true;
+ // We will stop watching the status line so swaybar won't
+ // flood the CPU with its HUPs
+ remove_event(fd);
+ }
dirty = handle_status_line(bar);
}
@@ -286,7 +294,7 @@ static void respond_output(int fd, short mask, void *_output) {
void bar_run(struct bar *bar) {
add_event(bar->ipc_event_socketfd, POLLIN, respond_ipc, bar);
- add_event(bar->status_read_fd, POLLIN, respond_command, bar);
+ add_event(bar->status_read_fd, POLLIN | POLLHUP, respond_command, bar);
int i;
for (i = 0; i < bar->outputs->length; ++i) {