apio
b12f42cfe2
Not used for anything at the moment, I guess if a user program wants to send it... Required by bc.
62 lines
1.1 KiB
C
62 lines
1.1 KiB
C
/* bits/signal.h: Signal-related definitions. */
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#ifndef _BITS_SIGNAL_H
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#define _BITS_SIGNAL_H
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typedef void (*__simple_sighandler_t)(int);
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#define SIG_IGN (__simple_sighandler_t)(-1)
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#define SIG_DFL (__simple_sighandler_t)(-2)
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typedef int sigset_t;
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struct sigaction
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{
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__simple_sighandler_t sa_handler;
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sigset_t sa_mask;
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int sa_flags;
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#ifdef __cplusplus
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void* __sa_sigreturn = nullptr;
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#else
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void* __sa_sigreturn;
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#endif
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};
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// Constants for sigaction's sa_flags field.
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#define SA_NODEFER (1 << 0)
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#define SA_RESETHAND (1 << 1)
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// Constants for the 'how' parameter in sigprocmask().
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#define SIG_BLOCK 0
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#define SIG_UNBLOCK 1
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#define SIG_SETMASK 2
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// The signals with explicit numbers have portable signal numbers.
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enum __signals
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{
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SIGHUP = 1,
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SIGINT = 2,
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SIGQUIT = 3,
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SIGILL = 4,
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SIGTRAP = 5,
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SIGABRT = 6,
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SIGCHLD,
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SIGFPE = 8,
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SIGKILL = 9,
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SIGSTOP,
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SIGSEGV = 11,
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SIGCONT,
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SIGPIPE = 13,
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SIGALRM = 14,
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SIGTERM = 15,
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SIGTTIN,
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SIGTTOU,
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SIGWINCH,
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// FIXME: Add the remaining signals.
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__NSIG,
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};
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#define NSIG (__NSIG - 1)
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#endif
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