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-rw-r--r--libhw/host_util.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/libhw/host_util.c b/libhw/host_util.c
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+++ b/libhw/host_util.c
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+/* libhw/host_util.c - Utilities for GNU/Linux hosts
+ *
+ * Copyright (C) 2024 Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#include <error.h> /* for error(3gnu) */
+#include <signal.h> /* for SIGRTMIN, SIGRTMAX */
+
+#include "host_util.h"
+
+int host_sigrt_alloc(void) {
+ static int next = 0;
+
+ if (!next)
+ next = SIGRTMIN;
+ int ret = next++;
+ if (ret > SIGRTMAX)
+ error(1, 0, "SIGRTMAX exceeded");
+ return ret;
+}