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createTempFile(): Mark file as CLOEEXEC

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Fixes #5674.
This commit is contained in:
Eelco Dolstra 2021-11-29 11:20:50 +01:00
parent e1420c66a4
commit 6e0cbc666b
1 changed files with 1 additions and 0 deletions
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src/libutil/util.cc
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@ -512,6 +512,7 @@ std::pair<AutoCloseFD, Path> createTempFile(const Path & prefix)
AutoCloseFD fd(mkstemp((char *) tmpl.c_str()));
if (!fd)
throw SysError("creating temporary file '%s'", tmpl);
closeOnExec(fd.get());
return {std::move(fd), tmpl};
}