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-rw-r--r--lib/igt_aux.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/igt_aux.c b/lib/igt_aux.c
index 763e997c..eb4ca640 100644
--- a/lib/igt_aux.c
+++ b/lib/igt_aux.c
@@ -402,7 +402,7 @@ void igt_fork_hang_detector(int fd)
igt_assert(fstat(fd, &st) == 0);
- signal(SIGRTMAX, sig_abort);
+ signal(SIGRTMAX - 1, sig_abort);
igt_fork_helper(&hang_detector)
hang_detector_process(getppid(), st.st_rdev);
}