diff options
| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2008-07-22 22:28:07 +0000 |
|---|---|---|
| committer | Thomas Schwinge <tschwinge@gnu.org> | 2009-06-18 00:27:18 +0200 |
| commit | 482cc1b78fae30281528145098ab8d9908d5fafe (patch) | |
| tree | 4587121197bb788c514e2f833878cc0312d0241f /kern/exception.c | |
| parent | 155f729a36531a464b82c63ae49adac5cc3b2d70 (diff) | |
2008-07-19 Barry deFreese <bddebian@comcast.net>
* chips/busses.h (bus_ctlr, bus_device): Make intr return void instead
of int.
* device/tty.h (tty): Make t_start and t_stop return void instead of
int.
* i386/i386/ipl.h (ivect[]): return void instead of int.
* i386/i386at/pic_isa.h (ivect[]): Likewise.
* i386/i386at/kd_mouse.c (mouseintr): Likewise.
* i386/i386at/com.c (comintr, comstop): Likewise.
* i386/i386at/kd.c (kdcnputc, kdstart, kdstop, kdintr): Likewise.
* i386/i386/trap.c (exception, thread_exception_return, i386_exception):
Add __attribute__ ((noreturn)).
* i386/i386at/kd.c (kdcnprobe): Return 0 at end of function.
* i386/i386at/lpr.c (lprintr, lprstart): Return void instead of int.
(lprstart): Don't return numeric values any longer.
* kern/eventcount.c (evc_wait_clear): Return a value.
* kern/exceptions.c (exception, exception_try_task, exception_no_server,
exception_raise, exception_raise_continue, exception_raise_continue_slow,
exception_raise_continue_fast): Add __attribute__ ((noreturn)).
(exception, exceptio_try_task, exception_raise,
exception_raise_continue_slow, exception_raise_continue_fast):
Remove spurious returns.
(exception_no_server): Add panic() on return from thread_halt_self().
Diffstat (limited to 'kern/exception.c')
| -rw-r--r-- | kern/exception.c | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/kern/exception.c b/kern/exception.c index 6572085..258fedf 100644 --- a/kern/exception.c +++ b/kern/exception.c @@ -51,15 +51,15 @@ -extern void exception(); -extern void exception_try_task(); -extern void exception_no_server(); +extern void exception() __attribute__ ((noreturn)); +extern void exception_try_task() __attribute__ ((noreturn)); +extern void exception_no_server() __attribute__ ((noreturn)); -extern void exception_raise(); +extern void exception_raise() __attribute__ ((noreturn)); extern kern_return_t exception_parse_reply(); -extern void exception_raise_continue(); -extern void exception_raise_continue_slow(); -extern void exception_raise_continue_fast(); +extern void exception_raise_continue() __attribute__ ((noreturn)); +extern void exception_raise_continue_slow() __attribute__ ((noreturn)); +extern void exception_raise_continue_fast() __attribute__ ((noreturn)); #if MACH_KDB extern void thread_kdb_return(); @@ -113,7 +113,6 @@ exception(_exception, code, subcode) ith_unlock(self); exception_try_task(_exception, code, subcode); /*NOTREACHED*/ - return; } ip_lock(exc_port); @@ -122,7 +121,6 @@ exception(_exception, code, subcode) ip_unlock(exc_port); exception_try_task(_exception, code, subcode); /*NOTREACHED*/ - return; } /* @@ -183,7 +181,6 @@ exception_try_task(_exception, code, subcode) itk_unlock(task); exception_no_server(); /*NOTREACHED*/ - return; } ip_lock(exc_port); @@ -192,7 +189,6 @@ exception_try_task(_exception, code, subcode) ip_unlock(exc_port); exception_no_server(); /*NOTREACHED*/ - return; } /* @@ -268,6 +264,7 @@ exception_no_server() (void) task_terminate(self->task); thread_halt_self(); + panic("terminating the task didn't kill us"); /*NOTREACHED*/ } @@ -758,7 +755,6 @@ exception_raise(dest_port, thread_port, task_port, ip_unlock(reply_port); exception_raise_continue_slow(MACH_RCV_PORT_DIED, IKM_NULL, /*dummy*/0); /*NOTREACHED*/ - return; } imq_lock(reply_mqueue); @@ -933,7 +929,6 @@ exception_raise_continue_slow(mr, kmsg, seqno) (mr == MACH_RCV_PORT_DIED)) { thread_exception_return(); /*NOTREACHED*/ - return; } if (self->ith_exc != KERN_SUCCESS) { @@ -941,7 +936,6 @@ exception_raise_continue_slow(mr, kmsg, seqno) self->ith_exc_code, self->ith_exc_subcode); /*NOTREACHED*/ - return; } exception_no_server(); @@ -991,7 +985,6 @@ exception_raise_continue_fast(reply_port, kmsg) if (kr == KERN_SUCCESS) { thread_exception_return(); /*NOTREACHED*/ - return; /* help for the compiler */ } if (self->ith_exc != KERN_SUCCESS) { |