commit 39c5b8c21c5099a911548f89c18e17bacd1f9bcb
author Misha Wagner <mishaw@google.com> Thu Apr 18 16:07:33 2019 +0100
committer Misha Wagner <mishaw@google.com> Tue Apr 23 09:53:07 2019 +0100
tree d9a0d0f8fd78ae3f711fdb2d28738f5d12997193
parent 2ddb8df2ef22514f1bf91fe73b99877d19b2a964

Add UID printing to tombstone headers

This is for Android Telemetry to be able to categorise the processes
that produce tombstones.

Test: atest debugerd_test:TombstoneTest

Change-Id: Ie635347c9839eb58bfd27739050bd68cbdbf98da

debuggerd/libdebuggerd/tombstone.cpp

diff --git a/debuggerd/libdebuggerd/tombstone.cpp b/debuggerd/libdebuggerd/tombstone.cpp
index d1726cd..d246722 100644
--- a/debuggerd/libdebuggerd/tombstone.cpp
+++ b/debuggerd/libdebuggerd/tombstone.cpp
@@ -151,6 +151,7 @@
 
   _LOG(log, logtype::HEADER, "pid: %d, tid: %d, name: %s  >>> %s <<<\n", thread_info.pid,
        thread_info.tid, thread_info.thread_name.c_str(), thread_info.process_name.c_str());
+  _LOG(log, logtype::HEADER, "uid: %d\n", thread_info.uid);
 }
 
 static void dump_stack_segment(log_t* log, unwindstack::Maps* maps, unwindstack::Memory* memory,
@@ -615,6 +616,7 @@
 
 void engrave_tombstone_ucontext(int tombstone_fd, uint64_t abort_msg_address, siginfo_t* siginfo,
                                 ucontext_t* ucontext) {
+  pid_t uid = getuid();
   pid_t pid = getpid();
   pid_t tid = gettid();
 
@@ -636,6 +638,7 @@
   std::map<pid_t, ThreadInfo> threads;
   threads[gettid()] = ThreadInfo{
       .registers = std::move(regs),
+      .uid = uid,
       .tid = tid,
       .thread_name = thread_name,
       .pid = pid,