245 lines
6.4 KiB
C
245 lines
6.4 KiB
C
#ifndef _SIGNAL_H
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#define _SIGNAL_H 1
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// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/signal.h.html
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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#include <time.h>
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#define SIG_DFL ((void (*)(int))0)
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#define SIG_ERR ((void (*)(int))1)
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#define SIG_HOLD ((void (*)(int))2)
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#define SIG_IGN ((void (*)(int))3)
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#define __need_pthread_t
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#define __need_size_t
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#define __need_uid_t
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#define __need_pid_t
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#define __need_pthread_attr_t
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#include <sys/types.h>
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typedef int sig_atomic_t;
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typedef unsigned long long sigset_t;
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union sigval
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{
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int sival_int; /* Integer signal value. */
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void* sival_ptr; /* Pointer signal value. */
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};
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struct sigevent
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{
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int sigev_notify; /* Notification type. */
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int sigev_signo; /* Signal number. */
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union sigval sigev_value; /* Signal value. */
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void (*sigev_notify_function)(union sigval); /* Notification function. */
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pthread_attr_t* sigev_notify_attributes; /* Notification attributes. */
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};
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#define SIGEV_NONE 1
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#define SIGEV_SIGNAL 2
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#define SIGEV_THREAD 3
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#define SIGABRT 1
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#define SIGALRM 2
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#define SIGBUS 3
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#define BUS_ADRALN 1
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#define BUS_ADRERR 2
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#define BUS_OBJERR 3
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#define SIGCHLD 4
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#define CLD_EXITED 1
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#define CLD_KILLED 2
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#define CLD_DUMPED 3
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#define CLD_TRAPPED 4
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#define CLD_STOPPED 5
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#define CLD_CONTINUED 6
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#define SIGCONT 5
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#define SIGFPE 6
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#define FPE_INTDIV 1
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#define FPE_INTOVF 2
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#define FPE_FLTDIV 3
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#define FPE_FLTOVF 4
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#define FPE_FLTUND 5
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#define FPE_FLTRES 6
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#define FPE_FLTINV 7
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#define FPE_FLTSUB 8
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#define SIGHUP 7
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#define SIGILL 8
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#define ILL_ILLOPC 1
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#define ILL_ILLOPN 2
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#define ILL_ILLADR 3
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#define ILL_ILLTRP 4
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#define ILL_PRVOPC 5
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#define ILL_PRVREG 6
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#define ILL_COPROC 7
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#define ILL_BADSTK 8
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#define SIGINT 9
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#define SIGKILL 10
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#define SIGPIPE 11
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#define SIGQUIT 12
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#define SIGSEGV 13
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#define SEGV_MAPERR 1
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#define SEGV_ACCERR 2
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#define SIGSTOP 14
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#define SIGTERM 15
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#define SIGTSTP 16
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#define SIGTTIN 17
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#define SIGTTOU 18
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#define SIGUSR1 19
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#define SIGUSR2 20
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#define SIGPOLL 21
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#define POLL_IN 1
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#define POLL_OUT 2
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#define POLL_MSG 3
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#define POLL_ERR 4
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#define POLL_PRI 5
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#define POLL_HUP 6
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#define SIGPROF 22
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#define SIGSYS 23
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#define SIGTRAP 24
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#define SIGURG 25
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#define SIGVTALRM 26
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#define SIGXCPU 27
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#define SIGXFSZ 28
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#define SIGWINCH 29
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#define SIGRTMIN 30
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#define SIGRTMAX (SIGRTMIN+32)
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#define SI_USER 10
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#define SI_QUEUE 11
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#define SI_TIMER 12
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#define SI_ASYNCIO 13
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#define SI_MESGQ 14
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#define _SIGMIN SIGABRT
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#define _SIGMAX SIGRTMAX
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#define SIG_BLOCK 1
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#define SIG_UNBLOCK 2
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#define SIG_SETMASK 3
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#define SA_NOCLDSTOP 0x001
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#define SA_ONSTACK 0x002
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#define SA_RESETHAND 0x004
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#define SA_RESTART 0x008
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#define SA_SIGINFO 0x010
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#define SA_NOCLDWAIT 0x020
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#define SA_NODEFER 0x040
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#define SS_ONSTACK 0x080
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#define SS_DISABLE 0x100
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#define MINSIGSTKSZ 0x200
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#define SIGSTKSZ 0x400
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typedef struct
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{
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void** ss_sp; /* Stack base or pointer. */
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size_t ss_size; /* Stack size. */
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int ss_flags; /* Flags. */
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} stack_t;
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enum
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{
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#if defined(__x86_64__)
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REG_RAX,
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REG_RBX,
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REG_RCX,
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REG_RDX,
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REG_RDI,
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REG_RSI,
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REG_RSP,
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REG_RBP,
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REG_RIP,
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REG_R8,
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REG_R9,
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REG_R10,
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REG_R11,
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REG_R12,
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REG_R13,
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REG_R14,
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REG_R15,
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#elif defined(__i686__)
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REG_EAX,
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REG_EBX,
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REG_ECX,
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REG_EDX,
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REG_EDI,
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REG_ESI,
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REG_ESP,
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REG_EBP,
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REG_EIP,
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#else
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#error
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#endif
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__REG_COUNT
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};
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typedef struct
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{
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long gregs[__REG_COUNT];
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} mcontext_t;
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typedef struct __ucontext_t
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{
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struct __ucontext_t* uc_link; /* Pointer to the context that is resumed when this context returns. */
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sigset_t uc_sigmask; /* The set of signals that are blocked when this context is active. */
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stack_t uc_stack; /* The stack used by this context. */
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mcontext_t uc_mcontext; /* A machine-specific representation of the saved context. */
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} ucontext_t;
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typedef struct
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{
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int si_signo; /* Signal number. */
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int si_code; /* Signal code. */
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int si_errno; /* If non-zero, an errno value associated with this signal, as described in <errno.h>. */
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pid_t si_pid; /* Sending process ID. */
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uid_t si_uid; /* Real user ID of sending process. */
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void* si_addr; /* Address of faulting instruction. */
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int si_status; /* Exit value or signal. */
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long si_band; /* Band event for SIGPOLL. */
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union sigval si_value; /* Signal value. */
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} siginfo_t;
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struct sigaction
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{
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void (*sa_handler)(int); /* Pointer to a signal-catching function or one of the SIG_IGN or SIG_DFL. */
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sigset_t sa_mask; /* Set of signals to be blocked during execution of the signal handling function. */
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int sa_flags; /* Special flags. */
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void (*sa_sigaction)(int, siginfo_t*, void*); /* Pointer to a signal-catching function. */
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};
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int kill(pid_t pid, int sig);
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int killpg(pid_t pgpr, int sig);
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void psiginfo(const siginfo_t* pinfo, const char* message);
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void psignal(int signum, const char* message);
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int pthread_kill(pthread_t thread, int sig);
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int pthread_sigmask(int how, const sigset_t* __restrict set, sigset_t* __restrict oset);
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int raise(int sig);
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int sigaction(int sig, const struct sigaction* __restrict act, struct sigaction* __restrict oact);
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int sigaddset(sigset_t* set, int signo);
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int sigaltstack(const stack_t* __restrict ss, stack_t* __restrict oss);
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int sigdelset(sigset_t* set, int signo);
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int sigemptyset(sigset_t* set);
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int sigfillset(sigset_t* set);
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int sighold(int sig);
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int sigignore(int sig);
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int siginterrupt(int sig, int flag);
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int sigismember(const sigset_t* set, int signo);
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void (*signal(int sig, void (*func)(int)))(int);
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int sigpause(int sig);
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int sigpending(sigset_t* set);
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int sigprocmask(int how, const sigset_t* __restrict set, sigset_t* __restrict oset);
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int sigqueue(pid_t pid, int signo, union sigval value);
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int sigrelse(int sig);
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void (*sigset(int sig, void (*disp)(int)))(int);
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int sigsuspend(const sigset_t* sigmask);
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int sigtimedwait(const sigset_t* __restrict set, siginfo_t* __restrict info, const struct timespec* __restrict timeout);
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int sigwait(const sigset_t* __restrict set, int* __restrict sig);
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int sigwaitinfo(const sigset_t* __restrict set, siginfo_t* __restrict info);
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__END_DECLS
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#endif
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