Don't rely on linux/openat2.h

Fixes #3655
rr-debugger · Nov 30, 2023 · e7ff357 · e7ff357
1 parent 36a71dc
commit e7ff357
Show file tree

Hide file tree

Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/src/test/openat2.c b/src/test/openat2.c
@@ -3,7 +3,6 @@
 #include "util.h"
 
 #include <fcntl.h>          /* Definition of O_* and S_* constants */
-#include <linux/openat2.h>  /* Definition of RESOLVE_* constants */
 #include <sys/syscall.h>    /* Definition of SYS_* constants */
 #include <unistd.h>
 #include <errno.h>

diff --git a/src/test/util.h b/src/test/util.h
@@ -464,6 +464,14 @@ static inline uintptr_t unbufferable_syscall(uintptr_t syscall, uintptr_t arg1,
 #define RR_KCMP_FILE 0
 #define RR_KCMP_FILES 2
 
+/* Old systems don't have linux/openat2.h */
+struct open_how {
+	__u64 flags;
+	__u64 mode;
+	__u64 resolve;
+};
+#define RESOLVE_BENEATH	0x08
+
 /* Old systems don't have these */
 #ifndef TIOCGPKT
 #define TIOCGPKT _IOR('T', 0x38, int)