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authorEelco Dolstra <edolstra@gmail.com>2017-08-09T14·22+0200
committerEelco Dolstra <edolstra@gmail.com>2017-08-09T14·22+0200
commitaf765a8eab288eb638100e027b97a1d15e4e3026 (patch)
tree0ab17da6aae1af4c83efef428deae6d0b534aa93 /src/libstore/build.cc
parentc6184dec6c208d39a329586d0503b7a51bc2ded1 (diff)
Use /proc/self/fd to efficiently close all FDs on Linux
Issue #1506.
Diffstat (limited to 'src/libstore/build.cc')
-rw-r--r--src/libstore/build.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index db5f606fa883..9250a9b1778f 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -2556,7 +2556,7 @@ void DerivationGoal::runChild()
             throw SysError(format("changing into '%1%'") % tmpDir);
 
         /* Close all other file descriptors. */
-        closeMostFDs(set<int>());
+        closeMostFDs({STDIN_FILENO, STDOUT_FILENO, STDERR_FILENO});
 
 #if __linux__
         /* Change the personality to 32-bit if we're doing an