signals: Add support for sigdescr_np.

In glibc 2.32 sys_siglist is no longer exported. The MT-safe function
sigdescr_np() is now available for the same purpose.

Signed-off-by: Mike Pattrick <mkp@redhat.com>
Reviewed-by: David Marchand <david.marchand@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/signals.c b/lib/signals.c
index 70c53adc6..1b3a80783 100644
--- a/lib/signals.c
+++ b/lib/signals.c
@@ -56,6 +56,11 @@ signal_name(int signum, char *namebuf, size_t bufsize)
             return name;
         }
     }
+#elif HAVE_SIGDESCR_NP
+    const char *name = sigdescr_np(signum);
+    if (name) {
+        return name;
+    }
 #endif
 
     snprintf(namebuf, bufsize, "signal %d", signum);