diff options
Diffstat (limited to 'hurd/hurd/signal.h')
| -rw-r--r-- | hurd/hurd/signal.h | 41 |
1 files changed, 24 insertions, 17 deletions
diff --git a/hurd/hurd/signal.h b/hurd/hurd/signal.h index 4b439b6faa..27349d3ed0 100644 --- a/hurd/hurd/signal.h +++ b/hurd/hurd/signal.h @@ -43,6 +43,18 @@ Cambridge, MA 02139, USA. */ struct hurd_signal_preempter; /* <hurd/sigpreempt.h> */ +/* Full details of a signal. */ +struct hurd_signal_detail + { + /* Codes from origination Mach exception_raise message. */ + integer_t exc, exc_code, exc_subcode; + /* Sigcode as passed or computed from exception codes. */ + integer_t code; + /* Error code as passed or extracted from exception codes. */ + error_t error; + }; + + /* Per-thread signal state. */ struct hurd_sigstate @@ -65,13 +77,8 @@ struct hurd_sigstate stack frame, and each next element in an outermore frame. */ struct hurd_signal_preempter *preempters; - struct - { - /* For each signal that may be pending, the - sigcode and error code to deliver it with. */ - long int code; - error_t error; - } pending_data[NSIG]; + /* For each signal that may be pending, the details to deliver it with. */ + struct hurd_signal_detail pending_data[NSIG]; /* If `suspended' is set when this thread gets a signal, the signal thread sends an empty message to it. */ @@ -217,27 +224,27 @@ extern void _hurdsig_init (void); extern void _hurdsig_fault_init (void); -/* Raise a signal as described by SIGNO, SIGCODE and SIGERROR, on the - thread whose sigstate SS points to. If SS is a null pointer, this - instead affects the calling thread. */ +/* Raise a signal as described by SIGNO an DETAIL, on the thread whose + sigstate SS points to. If SS is a null pointer, this instead affects + the calling thread. */ -extern void _hurd_raise_signal (struct hurd_sigstate *ss, - int signo, long int sigcode, int sigerror); +extern void _hurd_raise_signal (struct hurd_sigstate *ss, int signo, + const struct hurd_signal_detail *detail); /* Translate a Mach exception into a signal (machine-dependent). */ -extern void _hurd_exception2signal (int exception, int code, int subcode, - int *signo, long int *sigcode, int *error); +extern void _hurd_exception2signal (struct hurd_signal_detail *); /* Make the thread described by SS take the signal described by SIGNO and - SIGCODE. If the process is traced, this will in fact stop with a SIGNO + DETAIL. If the process is traced, this will in fact stop with a SIGNO as the stop signal unless UNTRACED is nonzero. When the signal can be considered delivered, sends a sig_post reply message on REPLY_PORT indicating success. SS is not locked. */ extern void _hurd_internal_post_signal (struct hurd_sigstate *ss, - int signo, long int sigcode, int error, + int signo, + struct hurd_signal_detail *detail, mach_port_t reply_port, mach_msg_type_name_t reply_port_type, int untraced); @@ -252,7 +259,7 @@ extern void _hurd_internal_post_signal (struct hurd_sigstate *ss, struct machine_thread_all_state; extern struct sigcontext * _hurd_setup_sighandler (struct hurd_sigstate *ss, __sighandler_t handler, - int signo, long int sigcode, + int signo, const struct hurd_signal_detail *detail, int rpc_wait, struct machine_thread_all_state *state); /* Function run by the signal thread to receive from the signal port. */ |