1 files changed, 34 insertions, 0 deletions
diff --git a/src/lib/child-wait.h b/src/lib/child-wait.h
new file mode 100644
index 0000000..c495638
--- /dev/null
+++ b/src/lib/child-wait.h
@@ -0,0 +1,34 @@
+#ifndef CHILD_WAIT_H
+#define CHILD_WAIT_H
+
+struct child_wait_status {
+	struct child_wait *wait;
+
+	pid_t pid;
+	int status;
+};
+
+typedef void child_wait_callback_t(const struct child_wait_status *status,
+				   void *context);
+
+struct child_wait *
+child_wait_new_with_pid(pid_t pid, child_wait_callback_t *callback,
+			void *context) ATTR_NULL(3);
+#define child_wait_new_with_pid(pid, callback, context) \
+	child_wait_new_with_pid(pid - \
+		CALLBACK_TYPECHECK(callback, void (*)( \
+			const struct child_wait_status *status, typeof(context))), \
+	(child_wait_callback_t *)callback, context)
+#define child_wait_new(callback, context) \
+	child_wait_new_with_pid((pid_t)-1, callback, context)
+void child_wait_free(struct child_wait **wait);
+
+void child_wait_add_pid(struct child_wait *wait, pid_t pid);
+void child_wait_remove_pid(struct child_wait *wait, pid_t pid);
+
+void child_wait_switch_ioloop(void);
+
+void child_wait_init(void);
+void child_wait_deinit(void);
+
+#endif