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-rw-r--r--linux-user/signal.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/linux-user/signal.c b/linux-user/signal.c
index 2a3f3cc23f..092e70b80c 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -1199,3 +1199,26 @@ void process_pending_signals(CPUArchState *cpu_env)
}
ts->in_sigsuspend = 0;
}
+
+int process_sigsuspend_mask(sigset_t **pset, target_ulong sigset,
+ target_ulong sigsize)
+{
+ TaskState *ts = (TaskState *)thread_cpu->opaque;
+ sigset_t *host_set = &ts->sigsuspend_mask;
+ target_sigset_t *target_sigset;
+
+ if (sigsize != sizeof(*target_sigset)) {
+ /* Like the kernel, we enforce correct size sigsets */
+ return -TARGET_EINVAL;
+ }
+
+ target_sigset = lock_user(VERIFY_READ, sigset, sigsize, 1);
+ if (!target_sigset) {
+ return -TARGET_EFAULT;
+ }
+ target_to_host_sigset(host_set, target_sigset);
+ unlock_user(target_sigset, sigset, 0);
+
+ *pset = host_set;
+ return 0;
+}