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-rw-r--r--arch/um/include/shared/longjmp.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/um/include/shared/longjmp.h b/arch/um/include/shared/longjmp.h
new file mode 100644
index 000000000..886331903
--- /dev/null
+++ b/arch/um/include/shared/longjmp.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __UML_LONGJMP_H
+#define __UML_LONGJMP_H
+
+#include <sysdep/archsetjmp.h>
+#include <os.h>
+
+extern int signals_enabled;
+extern int setjmp(jmp_buf);
+extern void longjmp(jmp_buf, int);
+
+#define UML_LONGJMP(buf, val) do { \
+ longjmp(*buf, val); \
+} while(0)
+
+#define UML_SETJMP(buf) ({ \
+ int n, enable; \
+ enable = *(volatile int *)&signals_enabled; \
+ n = setjmp(*buf); \
+ if(n != 0) \
+ um_set_signals_trace(enable); \
+ n; })
+
+#endif