From f1c4938b76627ef2617505ac9d7260d6066e926a Mon Sep 17 00:00:00 2001
From: ldy <lidanyang12@huawei.com>
Date: Wed, 14 May 2025 13:34:39 +0000
Subject: [PATCH] =?UTF-8?q?=E8=AE=BE=E7=BD=AEdeath=20sig?=
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Signed-off-by: ldy <lidanyang12@huawei.com>
---
 services/updater.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/services/updater.cpp b/services/updater.cpp
index 76740eda..22b392ca 100644
--- a/services/updater.cpp
+++ b/services/updater.cpp
@@ -20,6 +20,7 @@
 #include <string>
 #include <sched.h>
 #include <syscall.h>
+#include <sys/prctl.h>
 #include <sys/stat.h>
 #include <sys/statvfs.h>
 #include <sys/wait.h>
@@ -61,6 +62,17 @@ int g_percentage = 100;
 int g_tmpProgressValue;
 int g_tmpValue;
 
+static void SetBinaryDeathSig(void)
+{
+    if (Utils::IsUpdaterMode()) {
+        LOG(INFO) << "no need set death sig, when updater mode";
+        return;
+    }
+    if (prctl(PR_SET_PDEATHSIG, SIGTERM) == -1) {
+        LOG(ERROR) << "prctl failed " << strerror(errno);
+    }
+}
+
 int32_t ExtractUpdaterBinary(PkgManager::PkgManagerPtr manager, std::string &packagePath,
     const std::string &updaterBinary)
 {
@@ -509,6 +521,7 @@ void HandleChildOutput(const std::string &buffer, int32_t bufferLen, bool &retry
 void ExcuteSubProc(const UpdaterParams &upParams, const std::string &fullPath, int pipeWrite)
 {
     UPDATER_INIT_RECORD;
+    SetBinaryDeathSig();
     // Set process scheduler to normal if current scheduler is
     // SCHED_FIFO, which may cause bad performance.
     int policy = syscall(SYS_sched_getscheduler, getpid());
-- 
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