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adjustOpenFilesLimit() comment made hopefully more clear.

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antirez 2016-12-19 08:53:25 +01:00
parent 2988889db1
commit 90a6f7fc98
1 changed files with 4 additions and 1 deletions
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5
src/server.c
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@ -1576,7 +1576,10 @@ void adjustOpenFilesLimit(void) {
if (bestlimit < maxfiles) { if (bestlimit < maxfiles) {
unsigned int old_maxclients = server.maxclients; unsigned int old_maxclients = server.maxclients;
server.maxclients = bestlimit-CONFIG_MIN_RESERVED_FDS; /* NOTICE: server.maxclients is unsigned */ server.maxclients = bestlimit-CONFIG_MIN_RESERVED_FDS;
/* maxclients is unsigned so may overflow: in order
* to check if maxclients is now logically less than 1
* we test indirectly via bestlimit. */
if (bestlimit <= CONFIG_MIN_RESERVED_FDS) { if (bestlimit <= CONFIG_MIN_RESERVED_FDS) {
serverLog(LL_WARNING,"Your current 'ulimit -n' " serverLog(LL_WARNING,"Your current 'ulimit -n' "
"of %llu is not enough for the server to start. " "of %llu is not enough for the server to start. "