set up signal handlers before creating temp file

Avoids a small race..

1 files changed, 6 insertions, 3 deletions

diff --git a/sponge.c b/sponge.c
index a88fe0e..66fd97d 100644
--- a/sponge.c
+++ b/sponge.c
@@ -237,10 +237,13 @@ int main (int argc, char **argv) {
 			if ((bufsize*2) >= mem_available) {
 				if (!tmpfile) {
 					/* umask(077); FIXME: Should we be setting umask, or using default?  */
-					struct cs_status cs = cs_enter();
-					int tmpfd = mkstemp(tmpname);
-					atexit(onexit_cleanup); // solaris on_exit(onexit_cleanup, 0);
+					struct cs_status cs;
+					int tmpfd;
+
 					trapsignals();
+					cs = cs_enter();
+					tmpfd = mkstemp(tmpname);
+					atexit(onexit_cleanup); // solaris on_exit(onexit_cleanup, 0);
 					cs_leave(cs);
 					if (tmpfd < 0) {
 						perror("mkstemp failed");