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authorllzmb <46303940+llzmb@users.noreply.github.com>2021-08-31 21:19:04 +0200
committerGitHub <noreply@github.com>2021-08-31 21:19:04 +0200
commit9747ac42213126ec99fe8ea47f1320be54135bd1 (patch)
tree677b0cf3143a1964134a67a1922b70dc20f6be19 /frida_mode/src/seccomp/seccomp_atomic.c
parentec4cae448b10acc0a8c84fc75f298bfaed88195a (diff)
parentfe5b2c355f097705bf0bd7b35b0484b16f87964f (diff)
downloadafl++-9747ac42213126ec99fe8ea47f1320be54135bd1.tar.gz
Merge branch 'dev' into docs_edit_readme_move_content_to_docs
Diffstat (limited to 'frida_mode/src/seccomp/seccomp_atomic.c')
-rw-r--r--frida_mode/src/seccomp/seccomp_atomic.c28
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))
+ ;
+
+}
+