Always log errno when aborting.
(Where errno is relevant.)
Also consistently use -1 as the fd for anonymous mmaps. (It doesn't matter,
but it's more common, and potentially more intention-revealing.)
Bug: http://b/65608572
Test: ran tests
Change-Id: Ie9a207632d8242f42086ba3ca862519014c3c102
diff --git a/libc/upstream-openbsd/android/include/arc4random.h b/libc/upstream-openbsd/android/include/arc4random.h
index d006045..4c4be0e 100644
--- a/libc/upstream-openbsd/android/include/arc4random.h
+++ b/libc/upstream-openbsd/android/include/arc4random.h
@@ -45,10 +45,8 @@
#define _ARC4_ATFORK(f) pthread_atfork(NULL, NULL, (f))
#endif
-static inline void
-_getentropy_fail(void)
-{
- async_safe_fatal("getentropy failed");
+static inline void _getentropy_fail(void) {
+ async_safe_fatal("getentropy failed: %s", strerror(errno));
}
volatile sig_atomic_t _rs_forked;