From 15901516326737a67f2a9af26cd7e434162de019 Mon Sep 17 00:00:00 2001 From: Michael Vogt Date: Tue, 28 Apr 2015 17:55:00 +0200 Subject: Move sysconf(_SC_OPEN_MAX); out of the for() loop to avoid unneeded syscalls --- apt-pkg/contrib/fileutl.cc | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'apt-pkg/contrib/fileutl.cc') diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc index 1ba4674e5..1e6d96fe9 100644 --- a/apt-pkg/contrib/fileutl.cc +++ b/apt-pkg/contrib/fileutl.cc @@ -778,8 +778,9 @@ pid_t ExecFork(std::set KeepFDs) signal(SIGCONT,SIG_DFL); signal(SIGTSTP,SIG_DFL); + long ScOpenMax = sysconf(_SC_OPEN_MAX); // Close all of our FDs - just in case - for (int K = 3; K != sysconf(_SC_OPEN_MAX); K++) + for (int K = 3; K != ScOpenMax; K++) { if(KeepFDs.find(K) == KeepFDs.end()) fcntl(K,F_SETFD,FD_CLOEXEC); -- cgit v1.2.3-70-g09d2