diff options
Diffstat (limited to 'libgloss/sparc_leon/locore_atexit.c')
-rw-r--r-- | libgloss/sparc_leon/locore_atexit.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/libgloss/sparc_leon/locore_atexit.c b/libgloss/sparc_leon/locore_atexit.c new file mode 100644 index 000000000..b23054c77 --- /dev/null +++ b/libgloss/sparc_leon/locore_atexit.c @@ -0,0 +1,50 @@ +/* + * Copyright (c) 2011 Aeroflex Gaisler + * + * BSD license: + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + + +#include <stddef.h> +#include <stdlib.h> +#include <reent.h> +#include <sys/lock.h> + +/* + * Register a function to be performed at exit or on shared library unload. + */ + +int +atexit (void (*fn) (void)) +{ + register struct _atexit *p; + + p = _GLOBAL_REENT->_atexit; + if (p == NULL) + _GLOBAL_REENT->_atexit = p = &_GLOBAL_REENT->_atexit0; + if (p->_ind >= _ATEXIT_SIZE) + { + return -1; + } + + p->_fns[p->_ind++] = fn; + return 0; +} |