diff options
-rw-r--r-- | src/libstore/build.cc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc index 506eb633aae8..d0299914813c 100644 --- a/src/libstore/build.cc +++ b/src/libstore/build.cc @@ -1992,6 +1992,8 @@ void DerivationGoal::startBuilder() CLONE_PARENT to ensure that the real builder is parented to us. */ + ProcessOptions options; + options.allowVfork = false; Pid helper = startProcess([&]() { char stack[32 * 1024]; int flags = CLONE_NEWPID | CLONE_NEWNS | CLONE_NEWIPC | CLONE_NEWUTS | CLONE_PARENT | SIGCHLD; @@ -2004,7 +2006,7 @@ void DerivationGoal::startBuilder() if (child == -1) throw SysError("cloning builder process"); writeFull(builderOut.writeSide, int2String(child) + "\n"); _exit(0); - }); + }, options); if (helper.wait(true) != 0) throw Error("unable to start build process"); pid_t tmp; |