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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck...
[linux-drm-fsl-dcu.git]
/
arch
/
um
/
os-Linux
/
signal.c
diff --git
a/arch/um/os-Linux/signal.c
b/arch/um/os-Linux/signal.c
index 905924b773d345b8f49de2905e62a546f6461cd9..7b605e4dfffa91305e763e7698832edcbf80d3bd 100644
(file)
--- a/
arch/um/os-Linux/signal.c
+++ b/
arch/um/os-Linux/signal.c
@@
-304,3
+304,11
@@
int set_signals(int enable)
return ret;
}
+
+int os_is_signal_stack(void)
+{
+ stack_t ss;
+ sigaltstack(NULL, &ss);
+
+ return ss.ss_flags & SS_ONSTACK;
+}