diff options
Diffstat (limited to 'lib/sig-handler.h')
| -rw-r--r-- | lib/sig-handler.h | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/lib/sig-handler.h b/lib/sig-handler.h index ce28a2a..9ea3394 100644 --- a/lib/sig-handler.h +++ b/lib/sig-handler.h @@ -37,15 +37,12 @@ typedef void (*sa_handler_t) (int); SIG_HANDLER_INLINE sa_handler_t _GL_ATTRIBUTE_PURE get_handler (struct sigaction const *a) { -#ifdef SA_SIGINFO /* POSIX says that special values like SIG_IGN can only occur when action.sa_flags does not contain SA_SIGINFO. But in Linux 2.4, for example, sa_sigaction and sa_handler are aliases and a signal - is ignored if sa_sigaction (after casting) equals SIG_IGN. So - use (and cast) sa_sigaction in that case. */ - if (a->sa_flags & SA_SIGINFO) - return (sa_handler_t) a->sa_sigaction; -#endif + is ignored if sa_sigaction (after casting) equals SIG_IGN. In + this case, this implementation relies on the fact that the two + are aliases, and simply returns sa_handler. */ return a->sa_handler; } |