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-rw-r--r--mount.go12
1 files changed, 12 insertions, 0 deletions
diff --git a/mount.go b/mount.go
index 59116d6..20a5970 100644
--- a/mount.go
+++ b/mount.go
@@ -147,6 +147,18 @@ func doMount(args *argContainer) int {
// Send SIGUSR1 to our parent
sendUsr1(args.notifypid)
}
+ // Increase the number of open files limit up to the hard limit. It's not
+ // dramatic if that fails, so do it after we have switched to syslog and not
+ // bother the user with warning.
+ var lim syscall.Rlimit
+ syscall.Getrlimit(syscall.RLIMIT_NOFILE, &lim)
+ lim.Cur = lim.Max
+ err = syscall.Setrlimit(syscall.RLIMIT_NOFILE, &lim)
+ if err != nil {
+ tlog.Warn.Printf("Setting RLIMIT_NOFILE failed: %v", err)
+ } else if lim.Cur < 4096 {
+ tlog.Warn.Printf("Low hard limit for RLIMIT_NOFILE: %d", lim.Cur)
+ }
// Wait for SIGINT in the background and unmount ourselves if we get it.
// This prevents a dangling "Transport endpoint is not connected"
// mountpoint if the user hits CTRL-C.