pidfd-util: expose pidfd_get_info()

src/basic/pidfd-util.c

@@ -73,7 +73,7 @@ int pidfd_get_namespace(int fd, unsigned long ns_type_cmd) {
         return nsfd;
 }
 
-static int pidfd_get_info(int fd, struct pidfd_info *info) {
+int pidfd_get_info(int fd, struct pidfd_info *info) {
         static bool cached_supported = true;
 
         assert(fd >= 0);

src/basic/pidfd-util.h

@@ -7,6 +7,8 @@
 
 int pidfd_get_namespace(int fd, unsigned long ns_type_cmd);
 
+int pidfd_get_info(int fd, struct pidfd_info *info);
+
 int pidfd_get_pid(int fd, pid_t *ret);
 int pidfd_verify_pid(int pidfd, pid_t pid);