-/* adapted from OSv */
-#ifndef __UK_SIGNAL_H__
-#define __UK_SIGNAL_H__
-
-#include <stddef.h>
+#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)
-#define SIG_BLOCK 0
-#define SIG_UNBLOCK 1
-#define SIG_SETMASK 2
-#define SIGHUP 1
-#define SIGINT 2
-#define SIGQUIT 3
-#define SIGILL 4
-#define SIGTRAP 5
-#define SIGABRT 6
-#define SIGIOT SIGABRT
-#define SIGBUS 7
-#define SIGFPE 8
-#define SIGKILL 9
-#define SIGUSR1 10
-#define SIGSEGV 11
-#define SIGUSR2 12
-#define SIGPIPE 13
-#define SIGALRM 14
-#define SIGTERM 15
-#define SIGSTKFLT 16
-#define SIGCHLD 17
-#define SIGCONT 18
-#define SIGSTOP 19
-#define SIGTSTP 20
-#define SIGTTIN 21
-#define SIGTTOU 22
-#define SIGURG 23
-#define SIGXCPU 24
-#define SIGXFSZ 25
-#define SIGVTALRM 26
-#define SIGPROF 27
-#define SIGWINCH 28
-#define SIGIO 29
-#define SIGPOLL 29
-#define SIGPWR 30
-#define SIGSYS 31
-#define SIGUNUSED SIGSYS
-
-#define _NSIG 32
-
-#define SA_NOCLDSTOP 1
-#define SA_NOCLDWAIT 2
-#define SA_SIGINFO 4
-#define SA_ONSTACK 0x08000000
-#define SA_RESTART 0x10000000
-#define SA_NODEFER 0x40000000
-#define SA_RESETHAND 0x80000000
-#define SA_RESTORER 0x04000000
+#ifdef _GNU_SOURCE
+#define __ucontext ucontext
+#endif
+#define __NEED_size_t
#define __NEED_pid_t
-#define __NEED_sig_atomic_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 <nolibc-internal/shareddefs.h>
-#define NSIG _NSIG
+#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
+
+#include <bits/signal.h>
+
+#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
+ || defined(_BSD_SOURCE)
+
+#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 {
- int si_signo; /* Signal number */
- int si_code; /* Cause of the signal */
- pid_t si_pid; /* Sending process ID */
+#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 {
#define sa_handler __sa_handler.sa_handler
#define sa_sigaction __sa_handler.sa_sigaction
-#define SIG_ERR ((void (*)(int))-1)
-#define SIG_DFL ((void (*)(int)) 0)
-#define SIG_IGN ((void (*)(int)) 1)
+#define SA_UNSUPPORTED 0x00000400
+#define SA_EXPOSE_TAGBITS 0x00000800
-/* TODO: do we have gnu statement expression? */
-#define is_sig_dfl(ptr) \
- (!((ptr)->sa_flags & SA_SIGINFO) && (ptr)->sa_handler == SIG_DFL)
+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
+
+int __libc_current_sigrtmin(void);
+int __libc_current_sigrtmax(void);
+
+#define SIGRTMIN (__libc_current_sigrtmin())
+#define SIGRTMAX (__libc_current_sigrtmax())
+
+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);
-#define is_sig_ign(ptr) \
- (!((ptr)->sa_flags & SA_SIGINFO) && (ptr)->sa_handler == SIG_IGN)
+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);
-int sigaction(int signum, const struct sigaction *act,
- struct sigaction *oldact);
+int pthread_sigmask(int, const sigset_t *__restrict, sigset_t *__restrict);
+int pthread_kill(pthread_t, int);
-int sigpending(sigset_t *set);
-int sigprocmask(int how, const sigset_t *set,
- sigset_t *oldset);
-int sigsuspend(const sigset_t *mask);
-int sigwait(const sigset_t *set, int *sig);
+void psiginfo(const siginfo_t *, const char *);
+void psignal(int, const char *);
+
+#endif
+
+#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
+
+#if defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
+#define NSIG _NSIG
+typedef void (*sig_t)(int);
-int kill(pid_t pid, int sig);
-int killpg(int pgrp, int sig);
-int raise(int sig);
-int siginterrupt(int sig, int flag);
-void psignal(int sig, const char *s);
+#define SYS_SECCOMP 1
+#define SYS_USER_DISPATCH 2
+#endif
+#ifdef _GNU_SOURCE
typedef void (*sighandler_t)(int);
-sighandler_t signal(int signum, sighandler_t handler);
+void (*bsd_signal(int, void (*)(int)))(int);
+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 *);
-int pthread_sigmask(int how, const sigset_t *set, sigset_t *oldset);
-int sigemptyset(sigset_t *set);
-int sigfillset(sigset_t *set);
-int sigaddset(sigset_t *set, int signo);
-int sigdelset(sigset_t *set, int signo);
-int sigismember(const sigset_t *set, int signo);
+#define SA_NOMASK SA_NODEFER
+#define SA_ONESHOT SA_RESETHAND
+#endif
-/* TODO: not used - defined just for newlib */
-union sigval {
- int sival_int; /* Integer signal value */
- void *sival_ptr; /* Pointer signal value */
-};
+#define SIG_ERR ((void (*)(int))-1)
+#define SIG_DFL ((void (*)(int)) 0)
+#define SIG_IGN ((void (*)(int)) 1)
-struct sigevent {
- int sigev_notify; /* Notification type */
- int sigev_signo; /* Signal number */
- union sigval sigev_value; /* Signal value */
-};
+typedef int sig_atomic_t;
+
+void (*signal(int, void (*)(int)))(int);
+int raise(int);
-/* TODO: not used - defined just for v8 */
-typedef struct sigaltstack {
- void *ss_sp;
- int ss_flags;
- size_t ss_size;
-} stack_t;
+#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
#ifdef __cplusplus
}
#endif
-#endif /* __UK_SIGNAL_H__ */
+#endif
projects / unikraft / unikraft.git / commitdiff