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-rw-r--r--lib/tevent/tevent_signal.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/tevent/tevent_signal.c b/lib/tevent/tevent_signal.c
index 1ff487256e9..b54da2ede82 100644
--- a/lib/tevent/tevent_signal.c
+++ b/lib/tevent/tevent_signal.c
@@ -52,7 +52,13 @@ struct tevent_sigcounter {
uint32_t seen;
};
+#if defined(HAVE___SYNC_FETCH_AND_ADD)
+#define TEVENT_SIG_INCREMENT(s) __sync_fetch_and_add(&((s).count), 1)
+#elif defined(HAVE_ATOMIC_ADD_32)
+#define TEVENT_SIG_INCREMENT(s) atomic_add_32(&((s).count), 1)
+#else
#define TEVENT_SIG_INCREMENT(s) (s).count++
+#endif
#define TEVENT_SIG_SEEN(s, n) (s).seen += (n)
#define TEVENT_SIG_PENDING(s) ((s).seen != (s).count)