diff options
Diffstat (limited to 'libhw/host_util.c')
-rw-r--r-- | libhw/host_util.c | 21 |
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; +} |