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authorMichael Vogt <mvo@debian.org>2015-04-28 17:55:00 +0200
committerMichael Vogt <mvo@debian.org>2015-04-28 17:55:00 +0200
commit15901516326737a67f2a9af26cd7e434162de019 (patch)
treed9ad50c5fa43943c409fed2e7e8d476f4603fd42 /apt-pkg
parent3a53f6a1510d332e24c3330a69b987f2341d1a94 (diff)
Move sysconf(_SC_OPEN_MAX); out of the for() loop to avoid unneeded syscalls
Diffstat (limited to 'apt-pkg')
-rw-r--r--apt-pkg/contrib/fileutl.cc3
1 files changed, 2 insertions, 1 deletions
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<int> 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);