From c78ae6008713ab2a1d64d0831ac9e139ed49ae10 Mon Sep 17 00:00:00 2001
From: Eric Biggers <ebiggers@google.com>
Date: Wed, 5 May 2021 12:11:33 -0700
Subject: [PATCH] Show names of processes killed by
 KillProcessesWithOpenFiles()

Otherwise only the pids are shown, and it's hard to tell which
processes actually got killed.

Bug: 187231646
Change-Id: Icccf60d0ad4439d702f36ace31abe092df1c69c2
---
 Process.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Process.cpp b/Process.cpp
index 79fe15d..c1d55ee 100644
--- a/Process.cpp
+++ b/Process.cpp
@@ -175,7 +175,15 @@ int KillProcessesWithOpenFiles(const std::string& prefix, int signal, bool killF
     }
     if (signal != 0) {
         for (const auto& pid : pids) {
-            LOG(WARNING) << "Sending " << strsignal(signal) << " to " << pid;
+            std::string comm;
+            android::base::ReadFileToString(StringPrintf("/proc/%d/comm", pid), &comm);
+            comm = android::base::Trim(comm);
+
+            std::string exe;
+            android::base::Readlink(StringPrintf("/proc/%d/exe", pid), &exe);
+
+            LOG(WARNING) << "Sending " << strsignal(signal) << " to pid " << pid << " (" << comm
+                         << ", " << exe << ")";
             kill(pid, signal);
         }
     }