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authorLuke T. Shumaker <lukeshu@lukeshu.com>2024-10-29 21:03:04 -0600
committerLuke T. Shumaker <lukeshu@lukeshu.com>2024-10-29 21:03:04 -0600
commit26361be59c08917c47718bcd4114b8028aaf7810 (patch)
treeb05dfad7baa755da4592a3d47412f1e062560a5e /libhw/host_util.c
parent3c3e9e2c62ad9a83ab9b0e1255204d57894c20ff (diff)
libhw: Tidy
Diffstat (limited to 'libhw/host_util.c')
-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
new file mode 100644
index 0000000..b862e39
--- /dev/null
+++ b/libhw/host_util.c
@@ -0,0 +1,21 @@
+/* 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;
+}