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Add comment explaining log file reopening for rotation support (#956)

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Ping Xie 2024-08-27 21:00:17 -07:00 committed by GitHub
parent 744b13e302
commit 2b71a78241
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src/server.c
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@ -122,6 +122,9 @@ void serverLogRaw(int level, const char *msg) {
level &= 0xff; /* clear flags */ level &= 0xff; /* clear flags */
if (level < server.verbosity) return; if (level < server.verbosity) return;
/* We open and close the log file in every call to support log rotation.
* This allows external processes to move or truncate the log file without
* disrupting logging. */
fp = log_to_stdout ? stdout : fopen(server.logfile, "a"); fp = log_to_stdout ? stdout : fopen(server.logfile, "a");
if (!fp) return; if (!fp) return;