diff options
Diffstat (limited to 'setjmp')
| -rw-r--r-- | setjmp/setjmp.h | 14 |
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. |