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authorTianjie Xu <xunchang@google.com>2017-06-09 02:56:38 +0200
committerGerrit Code Review <noreply-gerritcodereview@google.com>2017-06-09 02:56:39 +0200
commit8e5fb46e875e2e5c3656c4811d90408102ed3a96 (patch)
treea7bbca448c95438c9832fb8067feecd8c4197508 /install.cpp
parentMerge "kill package_extract_dir" (diff)
parentFix a race condition for temperature_logger (diff)
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Diffstat (limited to 'install.cpp')
-rw-r--r--install.cpp10
1 files changed, 7 insertions, 3 deletions
diff --git a/install.cpp b/install.cpp
index a1f2e4fbd..db4ba9373 100644
--- a/install.cpp
+++ b/install.cpp
@@ -27,6 +27,7 @@
#include <unistd.h>
#include <algorithm>
+#include <atomic>
#include <chrono>
#include <condition_variable>
#include <functional>
@@ -294,11 +295,12 @@ int update_binary_command(const std::string& package, ZipArchiveHandle zip,
}
#endif // !AB_OTA_UPDATER
-static void log_max_temperature(int* max_temperature) {
+static void log_max_temperature(int* max_temperature, const std::atomic<bool>& logger_finished) {
CHECK(max_temperature != nullptr);
std::mutex mtx;
std::unique_lock<std::mutex> lck(mtx);
- while (finish_log_temperature.wait_for(lck, 20s) == std::cv_status::timeout) {
+ while (!logger_finished.load() &&
+ finish_log_temperature.wait_for(lck, 20s) == std::cv_status::timeout) {
*max_temperature = std::max(*max_temperature, GetMaxValueFromThermalZone());
}
}
@@ -403,7 +405,8 @@ static int try_update_binary(const std::string& package, ZipArchiveHandle zip, b
}
close(pipefd[1]);
- std::thread temperature_logger(log_max_temperature, max_temperature);
+ std::atomic<bool> logger_finished(false);
+ std::thread temperature_logger(log_max_temperature, max_temperature, std::ref(logger_finished));
*wipe_cache = false;
bool retry_update = false;
@@ -467,6 +470,7 @@ static int try_update_binary(const std::string& package, ZipArchiveHandle zip, b
int status;
waitpid(pid, &status, 0);
+ logger_finished.store(true);
finish_log_temperature.notify_one();
temperature_logger.join();