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-rw-r--r--include/linux/signal_types.h3
-rw-r--r--include/uapi/asm-generic/signal-defs.h1
2 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/signal_types.h b/include/linux/signal_types.h
index 34cb28b8f16c..a70b2bdbf4d9 100644
--- a/include/linux/signal_types.h
+++ b/include/linux/signal_types.h
@@ -70,6 +70,9 @@ struct ksignal {
int sig;
};
+/* Used to kill the race between sigaction and forced signals */
+#define SA_IMMUTABLE 0x00800000
+
#ifndef __ARCH_UAPI_SA_FLAGS
#ifdef SA_RESTORER
#define __ARCH_UAPI_SA_FLAGS SA_RESTORER
diff --git a/include/uapi/asm-generic/signal-defs.h b/include/uapi/asm-generic/signal-defs.h
index fe929e7b77ca..7572f2f46ee8 100644
--- a/include/uapi/asm-generic/signal-defs.h
+++ b/include/uapi/asm-generic/signal-defs.h
@@ -45,6 +45,7 @@
#define SA_UNSUPPORTED 0x00000400
#define SA_EXPOSE_TAGBITS 0x00000800
/* 0x00010000 used on mips */
+/* 0x00800000 used for internal SA_IMMUTABLE */
/* 0x01000000 used on x86 */
/* 0x02000000 used on x86 */
/*