init: add stdio_to_kmsg option
Some services are not native android services and therefore don't log
via the normal mechanisms. This gives developers an option to have
their stdout/stderr logs sent directly to kmsg.
Test: see test prints to kernel log
Change-Id: I7973ea74d5cab3a90c2cd9a3d5de2266439d0c01
diff --git a/init/service_parser.cpp b/init/service_parser.cpp
index 45d1852..e7808a9 100644
--- a/init/service_parser.cpp
+++ b/init/service_parser.cpp
@@ -83,6 +83,9 @@
}
Result<void> ServiceParser::ParseConsole(std::vector<std::string>&& args) {
+ if (service_->proc_attr_.stdio_to_kmsg) {
+ return Error() << "'console' and 'stdio_to_kmsg' are mutually exclusive";
+ }
service_->flags_ |= SVC_CONSOLE;
service_->proc_attr_.console = args.size() > 1 ? "/dev/" + args[1] : "";
return {};
@@ -429,6 +432,14 @@
return {};
}
+Result<void> ServiceParser::ParseStdioToKmsg(std::vector<std::string>&& args) {
+ if (service_->flags_ & SVC_CONSOLE) {
+ return Error() << "'stdio_to_kmsg' and 'console' are mutually exclusive";
+ }
+ service_->proc_attr_.stdio_to_kmsg = true;
+ return {};
+}
+
// name type
Result<void> ServiceParser::ParseFile(std::vector<std::string>&& args) {
if (args[2] != "r" && args[2] != "w" && args[2] != "rw") {
@@ -514,6 +525,7 @@
{"shutdown", {1, 1, &ServiceParser::ParseShutdown}},
{"sigstop", {0, 0, &ServiceParser::ParseSigstop}},
{"socket", {3, 6, &ServiceParser::ParseSocket}},
+ {"stdio_to_kmsg", {0, 0, &ServiceParser::ParseStdioToKmsg}},
{"timeout_period", {1, 1, &ServiceParser::ParseTimeoutPeriod}},
{"updatable", {0, 0, &ServiceParser::ParseUpdatable}},
{"user", {1, 1, &ServiceParser::ParseUser}},