diff options
Diffstat (limited to 'lib/libc/exit.c')
-rw-r--r-- | lib/libc/exit.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/lib/libc/exit.c b/lib/libc/exit.c new file mode 100644 index 0000000..f4ffe27 --- /dev/null +++ b/lib/libc/exit.c @@ -0,0 +1,26 @@ +/* + * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <stdlib.h> + +static void (*exitfun)(void); + +void exit(int status) +{ + if (exitfun != NULL) + (*exitfun)(); + for (;;) + ; +} + +int atexit(void (*fun)(void)) +{ + if (exitfun != NULL) + return -1; + exitfun = fun; + + return 0; +} |