diff options
Diffstat (limited to 'signal/signal.h')
| -rw-r--r-- | signal/signal.h | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/signal/signal.h b/signal/signal.h index bbca812b6d..b42d897f8b 100644 --- a/signal/signal.h +++ b/signal/signal.h @@ -318,27 +318,16 @@ extern int sigreturn __P ((struct sigcontext *__scp)); calls be restarted after signal SIG. */ extern int siginterrupt __P ((int __sig, int __interrupt)); - -/* Structure describing a signal stack. */ -struct sigstack - { - __ptr_t ss_sp; /* Signal stack pointer. */ - int ss_onstack; /* Nonzero if executing on this stack. */ - }; +# include <bits/sigstack.h> /* Run signals handlers on the stack specified by SS (if not NULL). - If OSS is not NULL, it is filled in with the old signal stack status. */ + If OSS is not NULL, it is filled in with the old signal stack status. + This interface is obsolete and on many platform not implemented. */ extern int sigstack __P ((__const struct sigstack *__ss, struct sigstack *__oss)); -/* Alternate interface. */ -typedef struct sigaltstack - { - __ptr_t ss_sp; - int ss_flags; - size_t ss_size; - } stack_t; - +/* Alternate signal handler stack interface. + This interface should always be preferred over `sigstack'. */ extern int sigaltstack __P ((__const struct sigaltstack *__ss, struct sigaltstack *__oss)); |