Merge pull request #1084 from AFLplusplus/dev

push to stable

1 files changed, 28 insertions, 0 deletions

diff --git a/frida_mode/src/seccomp/seccomp_atomic.c b/frida_mode/src/seccomp/seccomp_atomic.c
new file mode 100644
index 00000000..1720a726
--- /dev/null
+++ b/frida_mode/src/seccomp/seccomp_atomic.c
@@ -0,0 +1,28 @@
+#include <stdbool.h>
+#include <stdio.h>
+
+#include "debug.h"
+
+void seccomp_atomic_set(volatile bool *ptr, bool val) {
+
+  if (!__sync_bool_compare_and_swap(ptr, !val, val)) {
+
+    FATAL("Failed to set event");
+
+  }
+
+}
+
+bool seccomp_atomic_try_set(volatile bool *ptr, bool val) {
+
+  return __sync_bool_compare_and_swap(ptr, !val, val);
+
+}
+
+void seccomp_atomic_wait(volatile bool *ptr, bool val) {
+
+  while (!__sync_bool_compare_and_swap(ptr, val, !val))
+    ;
+
+}
+