commit 66ee192e35245f43110d123a06975574e61d7e8d
author Tomasz Wasilczyk <twasilczyk@google.com> Thu Oct 26 14:53:49 2023 -0700
committer Tomasz Wasilczyk <twasilczyk@google.com> Tue Oct 31 05:43:46 2023 +0000
tree de802fd55a1acb37b73a72eee89c08345c03aa0b
parent 9ddc976d043c90a01ff71154c06d651e84104a73

Binder: migrate off libutils Mutex

Bug: 302723053
Test: mma
Change-Id: I5b81d5c0b6c7fef7f2216d4010adfa9cf72f9876

libs/binder/Utils.h

diff --git a/libs/binder/Utils.h b/libs/binder/Utils.h
index dd632c0..8942c31 100644
--- a/libs/binder/Utils.h
+++ b/libs/binder/Utils.h
@@ -22,6 +22,19 @@
 #include <log/log.h>
 #include <utils/Errors.h>
 
+/* TEMP_FAILURE_RETRY is not available on macOS and Trusty. */
+#ifndef TEMP_FAILURE_RETRY
+/* Used to retry syscalls that can return EINTR. */
+#define TEMP_FAILURE_RETRY(exp)                \
+    ({                                         \
+        __typeof__(exp) _rc;                   \
+        do {                                   \
+            _rc = (exp);                       \
+        } while (_rc == -1 && errno == EINTR); \
+        _rc;                                   \
+    })
+#endif
+
 #define TEST_AND_RETURN(value, expr)            \
     do {                                        \
         if (!(expr)) {                          \