Introduce the Service::CheckConsole() method
The Service::Start() method is so long that its length negatively
affects readability of the code. Hence this patch that splits
Service::Start().
Test: Booted Android in Cuttlefish.
Change-Id: Ib8e1e87fbd335520cbe3aac2a88d250fcf3b4ff0
Signed-off-by: Bart Van Assche <bvanassche@google.com>
diff --git a/init/service.cpp b/init/service.cpp
index f6dd9b9..c053761 100644
--- a/init/service.cpp
+++ b/init/service.cpp
@@ -405,6 +405,26 @@
}
}
+Result<void> Service::CheckConsole() {
+ if (!(flags_ & SVC_CONSOLE)) {
+ return {};
+ }
+
+ if (proc_attr_.console.empty()) {
+ proc_attr_.console = "/dev/" + GetProperty("ro.boot.console", "console");
+ }
+
+ // Make sure that open call succeeds to ensure a console driver is
+ // properly registered for the device node
+ int console_fd = open(proc_attr_.console.c_str(), O_RDWR | O_CLOEXEC);
+ if (console_fd < 0) {
+ flags_ |= SVC_DISABLED;
+ return ErrnoError() << "Couldn't open console '" << proc_attr_.console << "'";
+ }
+ close(console_fd);
+ return {};
+}
+
Result<void> Service::Start() {
auto reboot_on_failure = make_scope_guard([this] {
if (on_failure_reboot_target_) {
@@ -442,20 +462,8 @@
return ErrnoError() << "pipe()";
}
- bool needs_console = (flags_ & SVC_CONSOLE);
- if (needs_console) {
- if (proc_attr_.console.empty()) {
- proc_attr_.console = "/dev/" + GetProperty("ro.boot.console", "console");
- }
-
- // Make sure that open call succeeds to ensure a console driver is
- // properly registered for the device node
- int console_fd = open(proc_attr_.console.c_str(), O_RDWR | O_CLOEXEC);
- if (console_fd < 0) {
- flags_ |= SVC_DISABLED;
- return ErrnoError() << "Couldn't open console '" << proc_attr_.console << "'";
- }
- close(console_fd);
+ if (Result<void> result = CheckConsole(); !result.ok()) {
+ return result;
}
struct stat sb;
diff --git a/init/service.h b/init/service.h
index 3289f54..7339370 100644
--- a/init/service.h
+++ b/init/service.h
@@ -145,6 +145,7 @@
void KillProcessGroup(int signal, bool report_oneshot = false);
void SetProcessAttributesAndCaps();
void ResetFlagsForStart();
+ Result<void> CheckConsole();
static unsigned long next_start_order_;
static bool is_exec_service_running_;