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-rw-r--r--arch/um/include/os.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 5316e8a4a4f..c73dfa78f94 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -329,6 +329,7 @@ extern void os_set_ioignore(void);
extern void init_irq_signals(int on_sigstack);
/* sigio.c */
+extern int add_sigio_fd(int fd);
extern int ignore_sigio_fd(int fd);
extern void maybe_sigio_broken(int fd, int read);