59 lines
997 B
V
59 lines
997 B
V
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module os
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#include <signal.h>
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pub enum Signal {
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hup = 1
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int
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quit
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ill
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trap
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abrt
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bus
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fpe
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kill
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usr1
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segv
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usr2
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pipe
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alrm
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term
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stkflt
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chld
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cont
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stop
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tstp
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ttin
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ttou
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urg
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xcpu
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xfsz
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vtalrm
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prof
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winch
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poll
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pwr
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sys
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}
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type SignalHandler = fn (Signal)
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fn C.signal(signal int, handlercb SignalHandler) voidptr
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[deprecated: 'use os.signal_opt() instead']
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[deprecated_after: '2021-05-18']
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pub fn signal(signum int, handler voidptr) voidptr {
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return voidptr(signal_opt(Signal(signum), handler) or { C.SIG_ERR })
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}
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// signal will assign `handler` callback to be called when `signum` signal is received.
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pub fn signal_opt(signum Signal, handler SignalHandler) ?SignalHandler {
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C.errno = 0
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prev_handler := C.signal(int(signum), handler)
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if prev_handler == C.SIG_ERR {
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// errno isn't correctly set on Windows, but EINVAL is this only possible value it can take anyway
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return error_with_code(posix_get_error_msg(C.EINVAL), C.EINVAL)
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}
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return SignalHandler(prev_handler)
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}
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