mirror of https://github.com/flysand7/ciabatta.git
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
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#define MAX_ATEXIT_HANDLERS 32
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#define MAX_AT_QUICK_EXIT_HANDLERS 32
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static void (*atexit_handlers[MAX_ATEXIT_HANDLERS])(void);
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static void (*at_quick_exit_handlers[MAX_AT_QUICK_EXIT_HANDLERS])(void);
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static u64 n_atexit_handlers = 0;
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static u64 n_at_quick_exit_handlers = 0;
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int atexit(void (*func)(void)) {
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if(n_atexit_handlers == MAX_ATEXIT_HANDLERS) {
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return MAX_ATEXIT_HANDLERS;
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}
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atexit_handlers[n_atexit_handlers] = func;
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n_atexit_handlers += 1;
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return 0;
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}
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int at_quick_exit(void (*func)(void)) {
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if(n_at_quick_exit_handlers == MAX_AT_QUICK_EXIT_HANDLERS) {
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return MAX_AT_QUICK_EXIT_HANDLERS;
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}
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at_quick_exit_handlers[n_at_quick_exit_handlers] = func;
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n_at_quick_exit_handlers += 1;
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return 0;
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}
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_Noreturn void abort(void) {
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// TODO: Ideally do a debug trap if the process is being debugged
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_rt_program_exit(1);
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__builtin_unreachable();
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}
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_Noreturn void exit(int code) {
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for(i64 i = n_atexit_handlers-1; i-- > 0; ) {
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void (*handler)(void) = atexit_handlers[i];
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handler();
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}
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// TODO(bumbread): flush all the unflushed file streams
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// TODO(bumbread): close all file streams and delete temporary files
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_rt_program_exit(code);
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__builtin_unreachable();
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}
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_Noreturn void _Exit(int code) {
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_rt_program_exit(code);
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__builtin_unreachable();
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}
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_Noreturn void quick_exit(int code) {
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for(i64 i = n_at_quick_exit_handlers-1; i-- > 0; ) {
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void (*handler)(void) = at_quick_exit_handlers[i];
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handler();
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}
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_rt_program_exit(code);
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__builtin_unreachable();
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}
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