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Diffstat (limited to 'setjmp')
-rw-r--r--setjmp/setjmp.h14
1 files changed, 7 insertions, 7 deletions
diff --git a/setjmp/setjmp.h b/setjmp/setjmp.h
index 0bb6fd64ca..b36bf3c692 100644
--- a/setjmp/setjmp.h
+++ b/setjmp/setjmp.h
@@ -51,17 +51,17 @@ extern int __sigsetjmp __P ((jmp_buf __env, int __savemask));
/* Set ENV to the current position and return 0, not saving the signal mask.
This is just like `sigsetjmp (ENV, 0)'.
The ISO C standard says `setjmp' is a macro. */
-#define setjmp(env) __sigsetjmp ((env), 0)
+# define setjmp(env) __sigsetjmp ((env), 0)
#else
/* We are in 4.3 BSD-compatibility mode in which `setjmp'
saves the signal mask like `sigsetjmp (ENV, 1)'. */
-#define setjmp(env) __sigsetjmp ((env), 1)
+# define setjmp(env) __sigsetjmp ((env), 1)
#endif /* Favor BSD. */
-#ifdef __USE_BSD
+#if defined __USE_BSD || defined __USE_XOPEN
/* Set ENV to the current position and return 0, not saving the signal mask.
This is the 4.3 BSD name for ISO `setjmp'. */
-#define _setjmp(env) __sigsetjmp ((env), 0)
+# define _setjmp(env) __sigsetjmp ((env), 0)
#endif
@@ -69,13 +69,13 @@ extern int __sigsetjmp __P ((jmp_buf __env, int __savemask));
`setjmp' call there return VAL, or 1 if VAL is 0. */
extern void longjmp __P ((jmp_buf __env, int __val))
__attribute__ ((__noreturn__));
-#ifdef __USE_BSD
+#if defined __USE_BSD || defined __USE_XOPEN
/* Same. Usually `_longjmp' is used with `_setjmp', which does not save
the signal mask. But it is how ENV was saved that determines whether
`longjmp' restores the mask; `_longjmp' is just an alias. */
extern void _longjmp __P ((jmp_buf __env, int __val))
__attribute__ ((__noreturn__));
-#endif /* Use BSD. */
+#endif
/* Internal machine-dependent function to restore context sans signal mask. */
extern void __longjmp __P ((__jmp_buf __env, int __val))
@@ -96,7 +96,7 @@ typedef jmp_buf sigjmp_buf;
/* Store the calling environment in ENV, also saving the
signal mask if SAVEMASK is nonzero. Return 0. */
-#define sigsetjmp(env, savemask) __sigsetjmp ((env), (savemask))
+# define sigsetjmp(env, savemask) __sigsetjmp ((env), (savemask))
/* Jump to the environment saved in ENV, making the
sigsetjmp call there return VAL, or 1 if VAL is 0.