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[PULL 23/23] bsd-user/signal: Create a dummy signal queueing function
From: |
Warner Losh |
Subject: |
[PULL 23/23] bsd-user/signal: Create a dummy signal queueing function |
Date: |
Mon, 18 Oct 2021 10:04:58 -0600 |
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>
---
bsd-user/qemu.h | 2 +-
bsd-user/signal.c | 11 ++++++++++-
2 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/bsd-user/qemu.h b/bsd-user/qemu.h
index ba15b1b56f..1b3b974afe 100644
--- a/bsd-user/qemu.h
+++ b/bsd-user/qemu.h
@@ -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 */
diff --git a/bsd-user/signal.c b/bsd-user/signal.c
index ad6d935569..0c1093deb1 100644
--- a/bsd-user/signal.c
+++ b/bsd-user/signal.c
@@ -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)
{
}
--
2.32.0
- [PULL 00/23] Pull bsd user 20211018 patches, Warner Losh, 2021/10/18
- [PULL 04/23] bsd-user/mmap.c: mmap return ENOMEM on overflow, Warner Losh, 2021/10/18
- [PULL 01/23] bsd-user/mmap.c: Always zero MAP_ANONYMOUS memory in mmap_frag(), Warner Losh, 2021/10/18
- [PULL 02/23] bsd-user/mmap.c: check pread's return value to fix warnings with _FORTIFY_SOURCE, Warner Losh, 2021/10/18
- [PULL 06/23] bsd-user/mmap.c: Convert to qemu_log logging for mmap debugging, Warner Losh, 2021/10/18
- [PULL 09/23] bsd-user/mmap.c: assert that target_mprotect cannot fail, Warner Losh, 2021/10/18
- [PULL 03/23] bsd-user/mmap.c: MAP_ symbols are defined, so no need for ifdefs, Warner Losh, 2021/10/18
- [PULL 14/23] bsd-user: export get_errno and is_error from syscall.c, Warner Losh, 2021/10/18
- [PULL 23/23] bsd-user/signal: Create a dummy signal queueing function,
Warner Losh <=
- [PULL 20/23] bsd-user: Add stop_all_tasks, Warner Losh, 2021/10/18
- [PULL 08/23] bsd-user/mmap.c: Implement MAP_EXCL, required by jemalloc in head, Warner Losh, 2021/10/18
- [PULL 05/23] bsd-user/mmap.c: mmap prefer MAP_ANON for BSD, Warner Losh, 2021/10/18
- [PULL 11/23] bsd-user/target_os-user.h: Remove support for FreeBSD older than 12.0, Warner Losh, 2021/10/18
- [PULL 10/23] meson: *-user: only descend into *-user when configured, Warner Losh, 2021/10/18
- [PULL 13/23] bsd-user: TARGET_RESET define is unused, remove it, Warner Losh, 2021/10/18
- [PULL 15/23] bsd-user/errno_defs.h: Add internal error numbers, Warner Losh, 2021/10/18
- [PULL 07/23] bsd-user/mmap.c: Don't mmap fd == -1 independently from MAP_ANON flag, Warner Losh, 2021/10/18