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bsd-user/signal: Create a dummy signal queueing function 

Create dummy signal queueing function so we can start to integrate other
architectures (at the cost of signals remaining broken) to tame the
dependency graph a bit and to bring in signals in a more controlled
fashion.  Log unimplemented events to it in the mean time.

Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
This commit is contained in:
Warner Losh 2021-09-21 16:20:52 -06:00
parent 11c7b43faa
commit 5abfac277d
2 changed files with 11 additions and 2 deletions
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2
bsd-user/qemu.h
View File

@ -17,7 +17,6 @@
#ifndef QEMU_H
#define QEMU_H
#include "qemu/osdep.h"
#include "cpu.h"
#include "qemu/units.h"
@ -209,6 +208,7 @@ void process_pending_signals(CPUArchState *cpu_env);
void signal_init(void);
long do_sigreturn(CPUArchState *env);
long do_rt_sigreturn(CPUArchState *env);
void queue_signal(CPUArchState *env, int sig, target_siginfo_t *info);
abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, abi_ulong sp);
/* mmap.c */

11
bsd-user/signal.c
View File

@ -16,10 +16,19 @@
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "qemu/osdep.h"
#include "qemu.h"
/*
* Queue a signal so that it will be send to the virtual CPU as soon as
* possible.
*/
void queue_signal(CPUArchState *env, int sig, target_siginfo_t *info)
{
qemu_log_mask(LOG_UNIMP, "No signal queueing, dropping signal %d\n", sig);
}
void signal_init(void)
{
}