util: Preserve errno in pipe_cloexec()

1 files changed, 2 insertions, 0 deletions

diff --git a/util.c b/util.c
index aa6f401..aaddaa0 100644
--- a/util.c
+++ b/util.c
@@ -129,8 +129,10 @@ int pipe_cloexec(int pipefd[2]) {
 	}
 
 	if (fcntl(pipefd[0], F_SETFD, FD_CLOEXEC) == -1 || fcntl(pipefd[1], F_SETFD, FD_CLOEXEC) == -1) {
+		int error = errno;
 		close(pipefd[1]);
 		close(pipefd[0]);
+		errno = error;
 		return -1;
 	}