bugfix: pid file may be overwritten

4d5d8e26 · ericliu · 88bf6106 · 4d5d8e26
Commit 4d5d8e26 authored Jan 02, 2020 by ericliu
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server.cpp src/brpc/server.cpp +1 -1

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--- a/src/brpc/server.cpp
+++ b/src/brpc/server.cpp
@@ -1669,7 +1669,7 @@ void Server::PutPidFileIfNeeded() {
            return;
        }
    }
-    int fd = open(_options.pid_file.c_str(), O_WRONLY | O_CREAT, 0666);
+    int fd = open(_options.pid_file.c_str(), O_WRONLY | O_CREAT | O_TRUNC, 0666);
    if (fd < 0) {
        LOG(WARNING) << "Fail to open " << _options.pid_file;
        _options.pid_file.clear();