Fill in queue signal implementation, as well as routines allocate and
delete elements of the signal queue.
Signed-off-by: Stacey Son <s...@freebsd.org>
Signed-off-by: Kyle Evans <kev...@freebsd.org>
Signed-off-by: Warner Losh <i...@bsdimp.com>
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
---
bsd-user/qemu.h | 5 +++++
bsd-user/signal.c | 13 ++++++++++++-
2 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/bsd-user/qemu.h b/bsd-user/qemu.h
index a7964776fdb..1648a509b9c 100644
--- a/bsd-user/qemu.h
+++ b/bsd-user/qemu.h
@@ -85,6 +85,11 @@ typedef struct TaskState {
struct bsd_binprm *bprm;
struct image_info *info;
+ struct emulated_sigtable sync_signal;
+ /*
+ * TODO: Since we block all signals while returning to the main CPU
+ * loop, this needn't be an array
+ */
struct emulated_sigtable sigtab[TARGET_NSIG];
/*
* Nonzero if process_pending_signals() needs to do something (either
diff --git a/bsd-user/signal.c b/bsd-user/signal.c
index ccda7adbeef..34663f7a28a 100644
--- a/bsd-user/signal.c
+++ b/bsd-user/signal.c
@@ -255,7 +255,18 @@ static void QEMU_NORETURN dump_core_and_abort(int
target_sig)
void queue_signal(CPUArchState *env, int sig, int si_type,
target_siginfo_t *info)
{
- qemu_log_mask(LOG_UNIMP, "No signal queueing, dropping signal %d\n", sig);
+ CPUState *cpu = env_cpu(env);
+ TaskState *ts = cpu->opaque;
+
+ trace_user_queue_signal(env, sig);
+
+ info->si_code = deposit32(info->si_code, 24, 8, si_type);
+
+ ts->sync_signal.info = *info;
+ ts->sync_signal.pending = sig;
+ /* Signal that a new signal is pending. */
+ qatomic_set(&ts->signal_pending, 1);
+ return;
}
static int fatal_signal(int sig)
--
2.33.1
