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#ifndef _WASI_EMULATED_SIGNAL
#error "wasm lacks signal support; to enable minimal signal emulation, \
compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
#else
#ifndef _SIGNAL_H
#define _SIGNAL_H
#ifdef __cplusplus
extern "C" {
#endif
#include <features.h>
#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
|| defined(_BSD_SOURCE)
#ifdef __wasilibc_unmodified_upstream /* WASI has no ucontext support */
#ifdef _GNU_SOURCE
#define __ucontext ucontext
#endif
#define __NEED_size_t
#define __NEED_pid_t
#define __NEED_uid_t
#define __NEED_struct_timespec
#define __NEED_pthread_t
#define __NEED_pthread_attr_t
#define __NEED_time_t
#define __NEED_clock_t
#define __NEED_sigset_t
#include <bits/alltypes.h>
#define SIG_BLOCK 0
#define SIG_UNBLOCK 1
#define SIG_SETMASK 2
#define SI_ASYNCNL (-60)
#define SI_TKILL (-6)
#define SI_SIGIO (-5)
#define SI_ASYNCIO (-4)
#define SI_MESGQ (-3)
#define SI_TIMER (-2)
#define SI_QUEUE (-1)
#define SI_USER 0
#define SI_KERNEL 128
typedef struct sigaltstack stack_t;
#endif
#endif
#include <bits/signal.h>
#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
|| defined(_BSD_SOURCE)
#ifdef __wasilibc_unmodified_upstream /* WASI has no sigaction */
#define SIG_HOLD ((void (*)(int)) 2)
#define FPE_INTDIV 1
#define FPE_INTOVF 2
#define FPE_FLTDIV 3
#define FPE_FLTOVF 4
#define FPE_FLTUND 5
#define FPE_FLTRES 6
#define FPE_FLTINV 7
#define FPE_FLTSUB 8
#define ILL_ILLOPC 1
#define ILL_ILLOPN 2
#define ILL_ILLADR 3
#define ILL_ILLTRP 4
#define ILL_PRVOPC 5
#define ILL_PRVREG 6
#define ILL_COPROC 7
#define ILL_BADSTK 8
#define SEGV_MAPERR 1
#define SEGV_ACCERR 2
#define SEGV_BNDERR 3
#define SEGV_PKUERR 4
#define SEGV_MTEAERR 8
#define SEGV_MTESERR 9
#define BUS_ADRALN 1
#define BUS_ADRERR 2
#define BUS_OBJERR 3
#define BUS_MCEERR_AR 4
#define BUS_MCEERR_AO 5
#define CLD_EXITED 1
#define CLD_KILLED 2
#define CLD_DUMPED 3
#define CLD_TRAPPED 4
#define CLD_STOPPED 5
#define CLD_CONTINUED 6
union sigval {
int sival_int;
void *sival_ptr;
};
typedef struct {
#ifdef __SI_SWAP_ERRNO_CODE
int si_signo, si_code, si_errno;
#else
int si_signo, si_errno, si_code;
#endif
union {
char __pad[128 - 2*sizeof(int) - sizeof(long)];
struct {
union {
struct {
pid_t si_pid;
uid_t si_uid;
} __piduid;
struct {
int si_timerid;
int si_overrun;
} __timer;
} __first;
union {
union sigval si_value;
struct {
int si_status;
clock_t si_utime, si_stime;
} __sigchld;
} __second;
} __si_common;
struct {
void *si_addr;
short si_addr_lsb;
union {
struct {
void *si_lower;
void *si_upper;
} __addr_bnd;
unsigned si_pkey;
} __first;
} __sigfault;
struct {
long si_band;
int si_fd;
} __sigpoll;
struct {
void *si_call_addr;
int si_syscall;
unsigned si_arch;
} __sigsys;
} __si_fields;
} siginfo_t;
#define si_pid __si_fields.__si_common.__first.__piduid.si_pid
#define si_uid __si_fields.__si_common.__first.__piduid.si_uid
#define si_status __si_fields.__si_common.__second.__sigchld.si_status
#define si_utime __si_fields.__si_common.__second.__sigchld.si_utime
#define si_stime __si_fields.__si_common.__second.__sigchld.si_stime
#define si_value __si_fields.__si_common.__second.si_value
#define si_addr __si_fields.__sigfault.si_addr
#define si_addr_lsb __si_fields.__sigfault.si_addr_lsb
#define si_lower __si_fields.__sigfault.__first.__addr_bnd.si_lower
#define si_upper __si_fields.__sigfault.__first.__addr_bnd.si_upper
#define si_pkey __si_fields.__sigfault.__first.si_pkey
#define si_band __si_fields.__sigpoll.si_band
#define si_fd __si_fields.__sigpoll.si_fd
#define si_timerid __si_fields.__si_common.__first.__timer.si_timerid
#define si_overrun __si_fields.__si_common.__first.__timer.si_overrun
#define si_ptr si_value.sival_ptr
#define si_int si_value.sival_int
#define si_call_addr __si_fields.__sigsys.si_call_addr
#define si_syscall __si_fields.__sigsys.si_syscall
#define si_arch __si_fields.__sigsys.si_arch
struct sigaction {
union {
void (*sa_handler)(int);
void (*sa_sigaction)(int, siginfo_t *, void *);
} __sa_handler;
sigset_t sa_mask;
int sa_flags;
void (*sa_restorer)(void);
};
#define sa_handler __sa_handler.sa_handler
#define sa_sigaction __sa_handler.sa_sigaction
#define SA_UNSUPPORTED 0x00000400
#define SA_EXPOSE_TAGBITS 0x00000800
struct sigevent {
union sigval sigev_value;
int sigev_signo;
int sigev_notify;
union {
char __pad[64 - 2*sizeof(int) - sizeof(union sigval)];
pid_t sigev_notify_thread_id;
struct {
void (*sigev_notify_function)(union sigval);
pthread_attr_t *sigev_notify_attributes;
} __sev_thread;
} __sev_fields;
};
#define sigev_notify_thread_id __sev_fields.sigev_notify_thread_id
#define sigev_notify_function __sev_fields.__sev_thread.sigev_notify_function
#define sigev_notify_attributes __sev_fields.__sev_thread.sigev_notify_attributes
#define SIGEV_SIGNAL 0
#define SIGEV_NONE 1
#define SIGEV_THREAD 2
#define SIGEV_THREAD_ID 4
#endif
#ifdef __wasilibc_unmodified_upstream /* WASI has no realtime signals */
int __libc_current_sigrtmin(void);
int __libc_current_sigrtmax(void);
#define SIGRTMIN (__libc_current_sigrtmin())
#define SIGRTMAX (__libc_current_sigrtmax())
#endif
#ifdef __wasilibc_unmodified_upstream /* WASI has no signals */
int kill(pid_t, int);
int sigemptyset(sigset_t *);
int sigfillset(sigset_t *);
int sigaddset(sigset_t *, int);
int sigdelset(sigset_t *, int);
int sigismember(const sigset_t *, int);
int sigprocmask(int, const sigset_t *__restrict, sigset_t *__restrict);
int sigsuspend(const sigset_t *);
int sigaction(int, const struct sigaction *__restrict, struct sigaction *__restrict);
int sigpending(sigset_t *);
int sigwait(const sigset_t *__restrict, int *__restrict);
int sigwaitinfo(const sigset_t *__restrict, siginfo_t *__restrict);
int sigtimedwait(const sigset_t *__restrict, siginfo_t *__restrict, const struct timespec *__restrict);
int sigqueue(pid_t, int, union sigval);
#endif
#ifdef __wasilibc_unmodified_upstream /* WASI has no threads yet */
int pthread_sigmask(int, const sigset_t *__restrict, sigset_t *__restrict);
int pthread_kill(pthread_t, int);
#endif
#ifdef __wasilibc_unmodified_upstream /* WASI has no siginfo */
void psiginfo(const siginfo_t *, const char *);
#endif
void psignal(int, const char *);
#endif
#ifdef __wasilibc_unmodified_upstream /* WASI has no signals */
#if defined(_XOPEN_SOURCE) || defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
int killpg(pid_t, int);
int sigaltstack(const stack_t *__restrict, stack_t *__restrict);
int sighold(int);
int sigignore(int);
int siginterrupt(int, int);
int sigpause(int);
int sigrelse(int);
void (*sigset(int, void (*)(int)))(int);
#define TRAP_BRKPT 1
#define TRAP_TRACE 2
#define TRAP_BRANCH 3
#define TRAP_HWBKPT 4
#define TRAP_UNK 5
#define POLL_IN 1
#define POLL_OUT 2
#define POLL_MSG 3
#define POLL_ERR 4
#define POLL_PRI 5
#define POLL_HUP 6
#define SS_ONSTACK 1
#define SS_DISABLE 2
#define SS_AUTODISARM (1U << 31)
#define SS_FLAG_BITS SS_AUTODISARM
#endif
#endif
#if defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
#define NSIG _NSIG
typedef void (*sig_t)(int);
#define SYS_SECCOMP 1
#define SYS_USER_DISPATCH 2
#endif
#ifdef _GNU_SOURCE
typedef void (*sighandler_t)(int);
void (*bsd_signal(int, void (*)(int)))(int);
#ifdef __wasilibc_unmodified_upstream /* WASI has no signal sets */
int sigisemptyset(const sigset_t *);
int sigorset (sigset_t *, const sigset_t *, const sigset_t *);
int sigandset(sigset_t *, const sigset_t *, const sigset_t *);
#define SA_NOMASK SA_NODEFER
#define SA_ONESHOT SA_RESETHAND
#endif
#endif
#ifdef __wasilibc_unmodified_upstream /* 1 is a valid function pointer on wasm */
#define SIG_ERR ((void (*)(int))-1)
#define SIG_DFL ((void (*)(int)) 0)
#define SIG_IGN ((void (*)(int)) 1)
#else
void __SIG_ERR(int);
void __SIG_IGN(int);
#define SIG_ERR (__SIG_ERR)
#define SIG_DFL ((void (*)(int)) 0)
#define SIG_IGN (__SIG_IGN)
#endif
#ifdef __wasilibc_unmodified_upstream /* Make sig_atomic_t 64-bit on wasm64 */
typedef int sig_atomic_t;
#else
typedef long sig_atomic_t;
#endif
void (*signal(int, void (*)(int)))(int);
int raise(int);
#ifdef __wasilibc_unmodified_upstream /* WASI has no sigtimedwait */
#if _REDIR_TIME64
#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
|| defined(_BSD_SOURCE)
__REDIR(sigtimedwait, __sigtimedwait_time64);
#endif
#endif
#endif
#ifdef __cplusplus
}
#endif
#endif
#endif
|
