aboutsummaryrefslogtreecommitdiff
path: root/daemons/batteryd.c
diff options
context:
space:
mode:
authorTommaso Negri <me@tommasongr.com>2026-08-11 18:19:02 +0200
committerTommaso Negri <me@tommasongr.com>2026-08-11 18:19:02 +0200
commiteb51ef01a4bd8bd7bea61a0a5fd524f66cf276cd (patch)
treed750764614bf1e5125c4a09ba6c72084b6a5772e /daemons/batteryd.c
parenta1d62dd085ac70fc90a05095220156897bdd8f82 (diff)
downloadbar-eb51ef01a4bd8bd7bea61a0a5fd524f66cf276cd.tar.gz
bar-eb51ef01a4bd8bd7bea61a0a5fd524f66cf276cd.zip
add additional daemons
Diffstat (limited to 'daemons/batteryd.c')
-rw-r--r--daemons/batteryd.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/daemons/batteryd.c b/daemons/batteryd.c
new file mode 100644
index 0000000..48e21b3
--- /dev/null
+++ b/daemons/batteryd.c
@@ -0,0 +1,45 @@
+// batteryd — battery daemon for bar
+//
+// Uses IOKit to listen for power source changes (battery level, charging
+// state, AC plug/unplug) and posts a Darwin notification.
+//
+// Compile:
+// cc -o bar-batteryd daemons/batteryd.c \
+// -framework IOKit -framework CoreFoundation
+
+#include <IOKit/ps/IOPowerSources.h>
+#include <IOKit/ps/IOPSKeys.h>
+#include <notify.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+static volatile int keep_running = 1;
+
+static void handle_signal(int sig) {
+ (void)sig;
+ keep_running = 0;
+}
+
+static void power_source_changed(void *context) {
+ (void)context;
+ notify_post("bar.touch.<block-name>");
+}
+
+int main(void) {
+ signal(SIGINT, handle_signal);
+ signal(SIGTERM, handle_signal);
+
+ CFRunLoopSourceRef source = IOPSNotificationCreateRunLoopSource(power_source_changed, NULL);
+ if (source) {
+ CFRunLoopAddSource(CFRunLoopGetCurrent(), source, kCFRunLoopDefaultMode);
+ CFRelease(source);
+ }
+
+ while (keep_running) {
+ pause();
+ }
+
+ return 0;
+}