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-rw-r--r--libc/sysdeps/linux/common/bits/sigset.h14
1 files changed, 10 insertions, 4 deletions
diff --git a/libc/sysdeps/linux/common/bits/sigset.h b/libc/sysdeps/linux/common/bits/sigset.h
index 2f67a4ebf..7c2ce0ebe 100644
--- a/libc/sysdeps/linux/common/bits/sigset.h
+++ b/libc/sysdeps/linux/common/bits/sigset.h
@@ -53,10 +53,6 @@ typedef struct {
#if !defined _SIGSET_H_fns && defined _SIGNAL_H
# define _SIGSET_H_fns 1
-# ifndef _EXTERN_INLINE
-# define _EXTERN_INLINE extern __inline
-# endif
-
/* Return a mask that includes the bit for SIG only. */
/* Unsigned cast ensures shift/mask insns are used. */
# define __sigmask(sig) \
@@ -156,14 +152,24 @@ typedef struct {
/* These functions needn't check for a bogus signal number -- error
checking is done in the non __ versions. */
+# if !defined __USE_EXTERN_INLINES || defined __PROVIDE_OUT_OF_LINE_SIGSETFN
extern int __sigismember (__const __sigset_t *, int);
libc_hidden_proto(__sigismember)
extern int __sigaddset (__sigset_t *, int);
libc_hidden_proto(__sigaddset)
extern int __sigdelset (__sigset_t *, int);
libc_hidden_proto(__sigdelset)
+# endif
# ifdef __USE_EXTERN_INLINES
+# undef _EXTERN_INLINE
+# ifdef __PROVIDE_OUT_OF_LINE_SIGSETFN
+# define _EXTERN_INLINE
+# else /* normal case */
+ /* dropped extern below: otherwise every module with __USE_EXTERN_INLINES
+ * will have its own copy of out-of line function emitted. */
+# define _EXTERN_INLINE /*extern*/ __always_inline
+# endif
# define __SIGSETFN(NAME, BODY, CONST) \
_EXTERN_INLINE int \
NAME (CONST __sigset_t *__set, int __sig) \