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-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);