kaguya
180 lines
3.3 KiB
C
180 lines
3.3 KiB
C
#ifndef _ABIBITS_SIGNAL_H
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#define _ABIBITS_SIGNAL_H
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#include <abi-bits/pid_t.h>
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#include <abi-bits/uid_t.h>
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#include <abi-bits/sigevent.h>
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#include <bits/size_t.h>
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typedef struct {
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int si_signo;
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int si_code;
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int si_errno;
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pid_t si_pid;
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uid_t si_uid;
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void *si_addr;
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int si_status;
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union sigval si_value;
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} siginfo_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Argument for signal() */
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typedef void (*__sighandler) (int);
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#define SIG_ERR ((__sighandler)(void *)(-1))
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#define SIG_DFL ((__sighandler)(void *)(-2))
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#define SIG_IGN ((__sighandler)(void *)(-3))
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#define SIGHUP 1
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#define SIGINT 2
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#define SIGQUIT 3
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#define SIGILL 4
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#define SIGTRAP 5
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#define SIGABRT 6
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#define SIGBUS 7
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#define SIGFPE 8
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#define SIGKILL 9
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#define SIGUSR1 10
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#define SIGSEGV 11
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#define SIGUSR2 12
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#define SIGPIPE 13
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#define SIGALRM 14
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#define SIGTERM 15
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#define SIGSTKFLT 16
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#define SIGCHLD 17
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#define SIGCONT 18
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#define SIGSTOP 19
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#define SIGTSTP 20
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#define SIGTTIN 21
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#define SIGTTOU 22
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#define SIGURG 23
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#define SIGXCPU 24
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#define SIGXFSZ 25
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#define SIGVTALRM 26
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#define SIGPROF 27
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#define SIGWINCH 28
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#define SIGIO 29
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#define SIGPOLL SIGIO
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#define SIGPWR 30
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#define SIGSYS 31
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#define SIGRTMIN 32
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#define SIGRTMAX 33
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#define SIGCANCEL 34
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/* siginfo->si_info constants */
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/* SIGBUS */
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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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/* SIGILL */
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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 ILL_BADIADDR 9
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/* SIGSEGV */
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#define SEGV_MAPERR 1
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#define SEGV_ACCERR 2
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/* TODO: replace this by uint64_t */
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typedef long sigset_t;
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#define SIGUNUSED SIGSYS
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/* constants for sigprocmask() */
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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 (1 << 0)
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#define SA_ONSTACK (1 << 1)
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#define SA_RESETHAND (1 << 2)
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#define SA_RESTART (1 << 3)
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#define SA_SIGINFO (1 << 4)
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#define SA_NOCLDWAIT (1 << 5)
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#define SA_NODEFER (1 << 6)
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#define MINSIGSTKSZ 2048
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#define SIGSTKSZ 8192
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#define SS_ONSTACK 1
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#define SS_DISABLE 2
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typedef struct __stack {
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void *ss_sp;
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size_t ss_size;
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int ss_flags;
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} stack_t;
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/* constants for sigev_notify of struct sigevent */
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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 SI_ASYNCNL (-60)
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#define SI_TKILL (-6)
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#define SI_SIGIO (-5)
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#define SI_ASYNCIO (-4)
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#define SI_MESGQ (-3)
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#define SI_TIMER (-2)
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#define SI_QUEUE (-1)
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#define SI_USER 0
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#define SI_KERNEL 128
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#define NSIG 65
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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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struct sigaction {
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union {
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void (*sa_handler)(int);
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void (*sa_sigaction)(int, siginfo_t *, void *);
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};
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sigset_t sa_mask;
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int sa_flags;
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};
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#if defined(__x86_64__) || defined(__aarch64__)
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/* TODO: This is wrong for AArch64. */
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typedef struct {
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unsigned long oldmask;
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unsigned long gregs[16];
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unsigned long pc, pr, sr;
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unsigned long gbr, mach, macl;
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unsigned long fpregs[16];
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unsigned long xfpregs[16];
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unsigned int fpscr, fpul, ownedfp;
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} mcontext_t;
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typedef struct __ucontext {
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unsigned long uc_flags;
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struct __ucontext *uc_link;
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stack_t uc_stack;
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mcontext_t uc_mcontext;
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sigset_t uc_sigmask;
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} ucontext_t;
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#else
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#error "Missing architecture specific code."
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ABIBITS_SIGNAL_H */
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