mirror of
git://git.musl-libc.org/musl
synced 2024-12-16 19:55:38 +00:00
ca73bea05d
used for undiagnosed trap exceptions where linux previously set si_code to 0. new in linux commit db78e6a0a6f9f7d7277965600eeb1a5b3a6f55a8
279 lines
6.6 KiB
C
279 lines
6.6 KiB
C
#ifndef _SIGNAL_H
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#define _SIGNAL_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <features.h>
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#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
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|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
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|| defined(_BSD_SOURCE)
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#ifdef _GNU_SOURCE
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#define __ucontext ucontext
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#endif
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#define __NEED_size_t
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#define __NEED_pid_t
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#define __NEED_uid_t
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#define __NEED_struct_timespec
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#define __NEED_pthread_t
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#define __NEED_pthread_attr_t
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#define __NEED_time_t
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#define __NEED_clock_t
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#define __NEED_sigset_t
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#include <bits/alltypes.h>
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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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#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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typedef struct sigaltstack stack_t;
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#endif
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#include <bits/signal.h>
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#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
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|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
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|| defined(_BSD_SOURCE)
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#define SIG_HOLD ((void (*)(int)) 2)
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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 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 SEGV_MAPERR 1
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#define SEGV_ACCERR 2
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#define SEGV_BNDERR 3
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#define SEGV_PKUERR 4
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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 BUS_MCEERR_AR 4
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#define BUS_MCEERR_AO 5
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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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union sigval {
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int sival_int;
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void *sival_ptr;
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};
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typedef struct {
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#ifdef __SI_SWAP_ERRNO_CODE
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int si_signo, si_code, si_errno;
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#else
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int si_signo, si_errno, si_code;
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#endif
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union {
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char __pad[128 - 2*sizeof(int) - sizeof(long)];
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struct {
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union {
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struct {
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pid_t si_pid;
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uid_t si_uid;
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} __piduid;
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struct {
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int si_timerid;
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int si_overrun;
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} __timer;
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} __first;
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union {
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union sigval si_value;
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struct {
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int si_status;
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clock_t si_utime, si_stime;
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} __sigchld;
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} __second;
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} __si_common;
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struct {
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void *si_addr;
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short si_addr_lsb;
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union {
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struct {
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void *si_lower;
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void *si_upper;
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} __addr_bnd;
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unsigned si_pkey;
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} __first;
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} __sigfault;
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struct {
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long si_band;
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int si_fd;
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} __sigpoll;
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struct {
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void *si_call_addr;
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int si_syscall;
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unsigned si_arch;
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} __sigsys;
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} __si_fields;
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} siginfo_t;
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#define si_pid __si_fields.__si_common.__first.__piduid.si_pid
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#define si_uid __si_fields.__si_common.__first.__piduid.si_uid
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#define si_status __si_fields.__si_common.__second.__sigchld.si_status
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#define si_utime __si_fields.__si_common.__second.__sigchld.si_utime
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#define si_stime __si_fields.__si_common.__second.__sigchld.si_stime
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#define si_value __si_fields.__si_common.__second.si_value
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#define si_addr __si_fields.__sigfault.si_addr
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#define si_addr_lsb __si_fields.__sigfault.si_addr_lsb
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#define si_lower __si_fields.__sigfault.__first.__addr_bnd.si_lower
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#define si_upper __si_fields.__sigfault.__first.__addr_bnd.si_upper
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#define si_pkey __si_fields.__sigfault.__first.si_pkey
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#define si_band __si_fields.__sigpoll.si_band
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#define si_fd __si_fields.__sigpoll.si_fd
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#define si_timerid __si_fields.__si_common.__first.__timer.si_timerid
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#define si_overrun __si_fields.__si_common.__first.__timer.si_overrun
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#define si_ptr si_value.sival_ptr
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#define si_int si_value.sival_int
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#define si_call_addr __si_fields.__sigsys.si_call_addr
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#define si_syscall __si_fields.__sigsys.si_syscall
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#define si_arch __si_fields.__sigsys.si_arch
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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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} __sa_handler;
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sigset_t sa_mask;
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int sa_flags;
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void (*sa_restorer)(void);
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};
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#define sa_handler __sa_handler.sa_handler
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#define sa_sigaction __sa_handler.sa_sigaction
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struct sigevent {
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union sigval sigev_value;
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int sigev_signo;
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int sigev_notify;
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void (*sigev_notify_function)(union sigval);
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pthread_attr_t *sigev_notify_attributes;
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char __pad[56-3*sizeof(long)];
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};
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#define SIGEV_SIGNAL 0
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#define SIGEV_NONE 1
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#define SIGEV_THREAD 2
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int __libc_current_sigrtmin(void);
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int __libc_current_sigrtmax(void);
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#define SIGRTMIN (__libc_current_sigrtmin())
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#define SIGRTMAX (__libc_current_sigrtmax())
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int kill(pid_t, int);
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int sigemptyset(sigset_t *);
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int sigfillset(sigset_t *);
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int sigaddset(sigset_t *, int);
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int sigdelset(sigset_t *, int);
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int sigismember(const sigset_t *, int);
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int sigprocmask(int, const sigset_t *__restrict, sigset_t *__restrict);
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int sigsuspend(const sigset_t *);
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int sigaction(int, const struct sigaction *__restrict, struct sigaction *__restrict);
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int sigpending(sigset_t *);
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int sigwait(const sigset_t *__restrict, int *__restrict);
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int sigwaitinfo(const sigset_t *__restrict, siginfo_t *__restrict);
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int sigtimedwait(const sigset_t *__restrict, siginfo_t *__restrict, const struct timespec *__restrict);
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int sigqueue(pid_t, int, union sigval);
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int pthread_sigmask(int, const sigset_t *__restrict, sigset_t *__restrict);
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int pthread_kill(pthread_t, int);
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void psiginfo(const siginfo_t *, const char *);
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void psignal(int, const char *);
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#endif
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#if defined(_XOPEN_SOURCE) || defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
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int killpg(pid_t, int);
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int sigaltstack(const stack_t *__restrict, stack_t *__restrict);
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int sighold(int);
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int sigignore(int);
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int siginterrupt(int, int);
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int sigpause(int);
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int sigrelse(int);
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void (*sigset(int, void (*)(int)))(int);
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#define TRAP_BRKPT 1
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#define TRAP_TRACE 2
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#define TRAP_BRANCH 3
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#define TRAP_HWBKPT 4
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#define TRAP_UNK 5
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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 SS_ONSTACK 1
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#define SS_DISABLE 2
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#define SS_AUTODISARM (1U << 31)
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#define SS_FLAG_BITS SS_AUTODISARM
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#endif
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#if defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
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#define NSIG _NSIG
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typedef void (*sig_t)(int);
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#endif
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#ifdef _GNU_SOURCE
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typedef void (*sighandler_t)(int);
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void (*bsd_signal(int, void (*)(int)))(int);
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int sigisemptyset(const sigset_t *);
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int sigorset (sigset_t *, const sigset_t *, const sigset_t *);
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int sigandset(sigset_t *, const sigset_t *, const sigset_t *);
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#define SA_NOMASK SA_NODEFER
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#define SA_ONESHOT SA_RESETHAND
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#endif
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#define SIG_ERR ((void (*)(int))-1)
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#define SIG_DFL ((void (*)(int)) 0)
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#define SIG_IGN ((void (*)(int)) 1)
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typedef int sig_atomic_t;
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void (*signal(int, void (*)(int)))(int);
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int raise(int);
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#ifdef __cplusplus
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}
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#endif
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#endif
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