* Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ *
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
- *
+ *
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
+ *
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
* @(#)signal.h 8.2 (Berkeley) 1/21/94
*/
-#ifndef _SYS_SIGNAL_H_
-#define _SYS_SIGNAL_H_
+#ifndef _SYS_SIGNAL_H_
+#define _SYS_SIGNAL_H_
#include <sys/cdefs.h>
#include <sys/appleapiopts.h>
+#include <Availability.h>
-#define __DARWIN_NSIG 32 /* counting 0; could be 33 (mask is 1-32) */
+#define __DARWIN_NSIG 32 /* counting 0; could be 33 (mask is 1-32) */
#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
-#define NSIG __DARWIN_NSIG
+#define NSIG __DARWIN_NSIG
#endif
-#include <machine/signal.h> /* sigcontext; codes for SIGILL, SIGFPE */
+#include <machine/signal.h> /* sigcontext; codes for SIGILL, SIGFPE */
-#define SIGHUP 1 /* hangup */
-#define SIGINT 2 /* interrupt */
-#define SIGQUIT 3 /* quit */
-#define SIGILL 4 /* illegal instruction (not reset when caught) */
-#define SIGTRAP 5 /* trace trap (not reset when caught) */
-#define SIGABRT 6 /* abort() */
+#define SIGHUP 1 /* hangup */
+#define SIGINT 2 /* interrupt */
+#define SIGQUIT 3 /* quit */
+#define SIGILL 4 /* illegal instruction (not reset when caught) */
+#define SIGTRAP 5 /* trace trap (not reset when caught) */
+#define SIGABRT 6 /* abort() */
#if (defined(_POSIX_C_SOURCE) && !defined(_DARWIN_C_SOURCE))
-#define SIGPOLL 7 /* pollable event ([XSR] generated, not supported) */
-#else /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
-#define SIGIOT SIGABRT /* compatibility */
-#define SIGEMT 7 /* EMT instruction */
-#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
-#define SIGFPE 8 /* floating point exception */
-#define SIGKILL 9 /* kill (cannot be caught or ignored) */
-#define SIGBUS 10 /* bus error */
-#define SIGSEGV 11 /* segmentation violation */
-#define SIGSYS 12 /* bad argument to system call */
-#define SIGPIPE 13 /* write on a pipe with no one to read it */
-#define SIGALRM 14 /* alarm clock */
-#define SIGTERM 15 /* software termination signal from kill */
-#define SIGURG 16 /* urgent condition on IO channel */
-#define SIGSTOP 17 /* sendable stop signal not from tty */
-#define SIGTSTP 18 /* stop signal from tty */
-#define SIGCONT 19 /* continue a stopped process */
-#define SIGCHLD 20 /* to parent on child stop or exit */
-#define SIGTTIN 21 /* to readers pgrp upon background tty read */
-#define SIGTTOU 22 /* like TTIN for output if (tp->t_local<OSTOP) */
+#define SIGPOLL 7 /* pollable event ([XSR] generated, not supported) */
+#else /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
+#define SIGIOT SIGABRT /* compatibility */
+#define SIGEMT 7 /* EMT instruction */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
+#define SIGFPE 8 /* floating point exception */
+#define SIGKILL 9 /* kill (cannot be caught or ignored) */
+#define SIGBUS 10 /* bus error */
+#define SIGSEGV 11 /* segmentation violation */
+#define SIGSYS 12 /* bad argument to system call */
+#define SIGPIPE 13 /* write on a pipe with no one to read it */
+#define SIGALRM 14 /* alarm clock */
+#define SIGTERM 15 /* software termination signal from kill */
+#define SIGURG 16 /* urgent condition on IO channel */
+#define SIGSTOP 17 /* sendable stop signal not from tty */
+#define SIGTSTP 18 /* stop signal from tty */
+#define SIGCONT 19 /* continue a stopped process */
+#define SIGCHLD 20 /* to parent on child stop or exit */
+#define SIGTTIN 21 /* to readers pgrp upon background tty read */
+#define SIGTTOU 22 /* like TTIN for output if (tp->t_local<OSTOP) */
#if (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
-#define SIGIO 23 /* input/output possible signal */
+#define SIGIO 23 /* input/output possible signal */
#endif
-#define SIGXCPU 24 /* exceeded CPU time limit */
-#define SIGXFSZ 25 /* exceeded file size limit */
-#define SIGVTALRM 26 /* virtual time alarm */
-#define SIGPROF 27 /* profiling time alarm */
+#define SIGXCPU 24 /* exceeded CPU time limit */
+#define SIGXFSZ 25 /* exceeded file size limit */
+#define SIGVTALRM 26 /* virtual time alarm */
+#define SIGPROF 27 /* profiling time alarm */
#if (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
-#define SIGWINCH 28 /* window size changes */
-#define SIGINFO 29 /* information request */
+#define SIGWINCH 28 /* window size changes */
+#define SIGINFO 29 /* information request */
#endif
-#define SIGUSR1 30 /* user defined signal 1 */
-#define SIGUSR2 31 /* user defined signal 2 */
+#define SIGUSR1 30 /* user defined signal 1 */
+#define SIGUSR2 31 /* user defined signal 2 */
#if defined(_ANSI_SOURCE) || __DARWIN_UNIX03 || defined(__cplusplus)
/*
* actually supply three. Ugh!
* SIG_HOLD is chosen to avoid KERN_SIG_* values in <sys/signalvar.h>
*/
-#define SIG_DFL (void (*)(int))0
-#define SIG_IGN (void (*)(int))1
-#define SIG_HOLD (void (*)(int))5
-#define SIG_ERR ((void (*)(int))-1)
+#define SIG_DFL (void (*)(int))0
+#define SIG_IGN (void (*)(int))1
+#define SIG_HOLD (void (*)(int))5
+#define SIG_ERR ((void (*)(int))-1)
#else
/* DO NOT REMOVE THE COMMENTED OUT int: fixincludes needs to see them */
-#define SIG_DFL (void (*)(/*int*/))0
-#define SIG_IGN (void (*)(/*int*/))1
-#define SIG_HOLD (void (*)(/*int*/))5
-#define SIG_ERR ((void (*)(/*int*/))-1)
+#define SIG_DFL (void (*)( /*int*/ ))0
+#define SIG_IGN (void (*)( /*int*/ ))1
+#define SIG_HOLD (void (*)( /*int*/ ))5
+#define SIG_ERR ((void (*)( /*int*/ ))-1)
#endif
#ifndef _ANSI_SOURCE
#include <sys/_types.h>
-#define __need_mcontext_t
-#define __need_stack_t
-#define __need_ucontext_t
-#include <sys/_structs.h>
-
-#ifndef _PID_T
-#define _PID_T
-typedef __darwin_pid_t pid_t;
-#endif
-
-#ifndef _PTHREAD_ATTR_T
-#define _PTHREAD_ATTR_T
-typedef __darwin_pthread_attr_t pthread_attr_t;
-#endif
+#include <machine/_mcontext.h>
-#ifndef _SIGSET_T
-#define _SIGSET_T
-typedef __darwin_sigset_t sigset_t;
-#endif
+#ifndef KERNEL
+#include <sys/_pthread/_pthread_attr_t.h>
+#endif /* KERNEL */
-#ifndef _SIZE_T
-#define _SIZE_T
-typedef __darwin_size_t size_t;
-#endif
+#include <sys/_types/_sigaltstack.h>
+#include <sys/_types/_ucontext.h>
-#ifndef _UID_T
-#define _UID_T
-typedef __darwin_uid_t uid_t;
-#endif
+#include <sys/_types/_pid_t.h>
+#include <sys/_types/_sigset_t.h>
+#include <sys/_types/_size_t.h>
+#include <sys/_types/_uid_t.h>
union sigval {
/* Members as suggested by Annex C of POSIX 1003.1b. */
- int sival_int;
- void *sival_ptr;
+ int sival_int;
+ void *sival_ptr;
};
-#define SIGEV_NONE 0 /* No async notification */
-#define SIGEV_SIGNAL 1 /* aio - completion notification */
-#define SIGEV_THREAD 3 /* [NOTIMP] [RTS] call notification function */
+#define SIGEV_NONE 0 /* No async notification */
+#define SIGEV_SIGNAL 1 /* aio - completion notification */
+#define SIGEV_THREAD 3 /* [NOTIMP] [RTS] call notification function */
+#ifndef KERNEL
struct sigevent {
- int sigev_notify; /* Notification type */
- int sigev_signo; /* Signal number */
- union sigval sigev_value; /* Signal value */
- void (*sigev_notify_function)(union sigval); /* Notification function */
- pthread_attr_t *sigev_notify_attributes; /* Notification attributes */
+ int sigev_notify; /* Notification type */
+ int sigev_signo; /* Signal number */
+ union sigval sigev_value; /* Signal value */
+ void (*sigev_notify_function)(union sigval); /* Notification function */
+ pthread_attr_t *sigev_notify_attributes; /* Notification attributes */
};
+#endif /* KERNEL */
#ifdef BSD_KERNEL_PRIVATE
union user64_sigval {
struct {
- uint32_t pad; /* assumes Motorola byte order */
- int32_t sival_int;
+ uint32_t pad; /* assumes Motorola byte order */
+ int32_t sival_int;
} size_equivalent;
- user64_addr_t sival_ptr;
+ user64_addr_t sival_ptr;
};
union user32_sigval {
/* Members as suggested by Annex C of POSIX 1003.1b. */
- int32_t sival_int;
+ int32_t sival_int;
user32_addr_t sival_ptr;
};
union user_sigval {
struct {
- uint32_t pad; /* assumes Motorola byte order */
- int32_t sival_int;
+ uint32_t pad; /* assumes Motorola byte order */
+ int32_t sival_int;
} size_equivalent;
user_addr_t sival_ptr;
};
struct user64_sigevent {
- int sigev_notify; /* Notification type */
- int sigev_signo; /* Signal number */
- union user64_sigval sigev_value; /* Signal value */
- user64_addr_t sigev_notify_function; /* Notify function */
- user64_addr_t sigev_notify_attributes; /* Notify attributes */
+ int sigev_notify; /* Notification type */
+ int sigev_signo; /* Signal number */
+ union user64_sigval sigev_value; /* Signal value */
+ user64_addr_t sigev_notify_function; /* Notify function */
+ user64_addr_t sigev_notify_attributes; /* Notify attributes */
};
struct user32_sigevent {
- int sigev_notify; /* Notification type */
- int sigev_signo; /* Signal number */
- union user32_sigval sigev_value; /* Signal value */
- user32_addr_t sigev_notify_function; /* Notify function */
- user32_addr_t sigev_notify_attributes; /* Notify attributes */
+ int sigev_notify; /* Notification type */
+ int sigev_signo; /* Signal number */
+ union user32_sigval sigev_value; /* Signal value */
+ user32_addr_t sigev_notify_function; /* Notify function */
+ user32_addr_t sigev_notify_attributes; /* Notify attributes */
};
struct user_sigevent {
- int sigev_notify; /* Notification type */
- int sigev_signo; /* Signal number */
- union user_sigval sigev_value; /* Signal value */
- user_addr_t sigev_notify_function; /* Notify function */
- user_addr_t sigev_notify_attributes; /* Notify attributes */
+ int sigev_notify; /* Notification type */
+ int sigev_signo; /* Signal number */
+ union user_sigval sigev_value; /* Signal value */
+ user_addr_t sigev_notify_function; /* Notify function */
+ user_addr_t sigev_notify_attributes; /* Notify attributes */
};
-#endif /* BSD_KERNEL_PRIVATE */
+#endif /* BSD_KERNEL_PRIVATE */
typedef struct __siginfo {
- int si_signo; /* signal number */
- int si_errno; /* errno association */
- int si_code; /* signal code */
- pid_t si_pid; /* sending process */
- uid_t si_uid; /* sender's ruid */
- int si_status; /* exit value */
- void *si_addr; /* faulting instruction */
- union sigval si_value; /* signal value */
- long si_band; /* band event for SIGPOLL */
- unsigned long __pad[7]; /* Reserved for Future Use */
+ int si_signo; /* signal number */
+ int si_errno; /* errno association */
+ int si_code; /* signal code */
+ pid_t si_pid; /* sending process */
+ uid_t si_uid; /* sender's ruid */
+ int si_status; /* exit value */
+ void *si_addr; /* faulting instruction */
+ union sigval si_value; /* signal value */
+ long si_band; /* band event for SIGPOLL */
+ unsigned long __pad[7]; /* Reserved for Future Use */
} siginfo_t;
#ifdef BSD_KERNEL_PRIVATE
typedef struct user_siginfo {
- int si_signo; /* signal number */
- int si_errno; /* errno association */
- int si_code; /* signal code */
- pid_t si_pid; /* sending process */
- uid_t si_uid; /* sender's ruid */
- int si_status; /* exit value */
- user_addr_t si_addr; /* faulting instruction (see below) */
- union user_sigval si_value; /* signal value */
- user_long_t si_band; /* band event for SIGPOLL */
- user_ulong_t pad[7]; /* Reserved for Future Use */
+ int si_signo; /* signal number */
+ int si_errno; /* errno association */
+ int si_code; /* signal code */
+ pid_t si_pid; /* sending process */
+ uid_t si_uid; /* sender's ruid */
+ int si_status; /* exit value */
+ user_addr_t si_addr; /* faulting instruction (see below) */
+ union user_sigval si_value; /* signal value */
+ user_long_t si_band; /* band event for SIGPOLL */
+ user_ulong_t pad[7]; /* Reserved for Future Use */
} user_siginfo_t;
typedef struct user64_siginfo {
- int si_signo; /* signal number */
- int si_errno; /* errno association */
- int si_code; /* signal code */
- pid_t si_pid; /* sending process */
- uid_t si_uid; /* sender's ruid */
- int si_status; /* exit value */
- user64_addr_t si_addr; /* faulting instruction (see below) */
- union user64_sigval si_value; /* signal value */
- user64_long_t si_band; /* band event for SIGPOLL */
- user64_ulong_t __pad[7]; /* Reserved for Future Use */
+ int si_signo; /* signal number */
+ int si_errno; /* errno association */
+ int si_code; /* signal code */
+ pid_t si_pid; /* sending process */
+ uid_t si_uid; /* sender's ruid */
+ int si_status; /* exit value */
+ user64_addr_t si_addr; /* faulting instruction (see below) */
+ union user64_sigval si_value; /* signal value */
+ user64_long_t si_band; /* band event for SIGPOLL */
+ user64_ulong_t __pad[7]; /* Reserved for Future Use */
} user64_siginfo_t;
typedef struct user32_siginfo {
- int si_signo; /* signal number */
- int si_errno; /* errno association */
- int si_code; /* signal code */
- pid_t si_pid; /* sending process */
- uid_t si_uid; /* sender's ruid */
- int si_status; /* exit value */
- user32_addr_t si_addr; /* faulting instruction (see below) */
- union user32_sigval si_value; /* signal value */
- user32_long_t si_band; /* band event for SIGPOLL */
- user32_ulong_t __pad[7]; /* Reserved for Future Use */
+ int si_signo; /* signal number */
+ int si_errno; /* errno association */
+ int si_code; /* signal code */
+ pid_t si_pid; /* sending process */
+ uid_t si_uid; /* sender's ruid */
+ int si_status; /* exit value */
+ user32_addr_t si_addr; /* faulting instruction (see below) */
+ union user32_sigval si_value; /* signal value */
+ user32_long_t si_band; /* band event for SIGPOLL */
+ user32_ulong_t __pad[7]; /* Reserved for Future Use */
} user32_siginfo_t;
void siginfo_user_to_user32(user_siginfo_t *, user32_siginfo_t *);
void siginfo_user_to_user64(user_siginfo_t *, user64_siginfo_t *);
-#endif /* BSD_KERNEL_PRIVATE */
+#endif /* BSD_KERNEL_PRIVATE */
-/*
- * When the signal is SIGILL or SIGFPE, si_addr contains the address of
+/*
+ * When the signal is SIGILL or SIGFPE, si_addr contains the address of
* the faulting instruction.
- * When the signal is SIGSEGV or SIGBUS, si_addr contains the address of
+ * When the signal is SIGSEGV or SIGBUS, si_addr contains the address of
* the faulting memory reference. Although for x86 there are cases of SIGSEGV
- * for which si_addr cannot be determined and is NULL.
+ * for which si_addr cannot be determined and is NULL.
* If the signal is SIGCHLD, the si_pid field will contain the child process ID,
* si_status contains the exit value or signal and
* si_uid contains the real user ID of the process that sent the signal.
/* Codes for SIGILL */
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
-#define ILL_NOOP 0 /* if only I knew... */
+#define ILL_NOOP 0 /* if only I knew... */
#endif
-#define ILL_ILLOPC 1 /* [XSI] illegal opcode */
-#define ILL_ILLTRP 2 /* [XSI] illegal trap */
-#define ILL_PRVOPC 3 /* [XSI] privileged opcode */
-#define ILL_ILLOPN 4 /* [XSI] illegal operand -NOTIMP */
-#define ILL_ILLADR 5 /* [XSI] illegal addressing mode -NOTIMP */
-#define ILL_PRVREG 6 /* [XSI] privileged register -NOTIMP */
-#define ILL_COPROC 7 /* [XSI] coprocessor error -NOTIMP */
-#define ILL_BADSTK 8 /* [XSI] internal stack error -NOTIMP */
+#define ILL_ILLOPC 1 /* [XSI] illegal opcode */
+#define ILL_ILLTRP 2 /* [XSI] illegal trap */
+#define ILL_PRVOPC 3 /* [XSI] privileged opcode */
+#define ILL_ILLOPN 4 /* [XSI] illegal operand -NOTIMP */
+#define ILL_ILLADR 5 /* [XSI] illegal addressing mode -NOTIMP */
+#define ILL_PRVREG 6 /* [XSI] privileged register -NOTIMP */
+#define ILL_COPROC 7 /* [XSI] coprocessor error -NOTIMP */
+#define ILL_BADSTK 8 /* [XSI] internal stack error -NOTIMP */
/* Codes for SIGFPE */
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
-#define FPE_NOOP 0 /* if only I knew... */
+#define FPE_NOOP 0 /* if only I knew... */
#endif
-#define FPE_FLTDIV 1 /* [XSI] floating point divide by zero */
-#define FPE_FLTOVF 2 /* [XSI] floating point overflow */
-#define FPE_FLTUND 3 /* [XSI] floating point underflow */
-#define FPE_FLTRES 4 /* [XSI] floating point inexact result */
-#define FPE_FLTINV 5 /* [XSI] invalid floating point operation */
-#define FPE_FLTSUB 6 /* [XSI] subscript out of range -NOTIMP */
-#define FPE_INTDIV 7 /* [XSI] integer divide by zero */
-#define FPE_INTOVF 8 /* [XSI] integer overflow */
+#define FPE_FLTDIV 1 /* [XSI] floating point divide by zero */
+#define FPE_FLTOVF 2 /* [XSI] floating point overflow */
+#define FPE_FLTUND 3 /* [XSI] floating point underflow */
+#define FPE_FLTRES 4 /* [XSI] floating point inexact result */
+#define FPE_FLTINV 5 /* [XSI] invalid floating point operation */
+#define FPE_FLTSUB 6 /* [XSI] subscript out of range -NOTIMP */
+#define FPE_INTDIV 7 /* [XSI] integer divide by zero */
+#define FPE_INTOVF 8 /* [XSI] integer overflow */
/* Codes for SIGSEGV */
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
-#define SEGV_NOOP 0 /* if only I knew... */
+#define SEGV_NOOP 0 /* if only I knew... */
#endif
-#define SEGV_MAPERR 1 /* [XSI] address not mapped to object */
-#define SEGV_ACCERR 2 /* [XSI] invalid permission for mapped object */
+#define SEGV_MAPERR 1 /* [XSI] address not mapped to object */
+#define SEGV_ACCERR 2 /* [XSI] invalid permission for mapped object */
/* Codes for SIGBUS */
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
-#define BUS_NOOP 0 /* if only I knew... */
+#define BUS_NOOP 0 /* if only I knew... */
#endif
-#define BUS_ADRALN 1 /* [XSI] Invalid address alignment */
-#define BUS_ADRERR 2 /* [XSI] Nonexistent physical address -NOTIMP */
-#define BUS_OBJERR 3 /* [XSI] Object-specific HW error - NOTIMP */
+#define BUS_ADRALN 1 /* [XSI] Invalid address alignment */
+#define BUS_ADRERR 2 /* [XSI] Nonexistent physical address -NOTIMP */
+#define BUS_OBJERR 3 /* [XSI] Object-specific HW error - NOTIMP */
/* Codes for SIGTRAP */
-#define TRAP_BRKPT 1 /* [XSI] Process breakpoint -NOTIMP */
-#define TRAP_TRACE 2 /* [XSI] Process trace trap -NOTIMP */
+#define TRAP_BRKPT 1 /* [XSI] Process breakpoint -NOTIMP */
+#define TRAP_TRACE 2 /* [XSI] Process trace trap -NOTIMP */
/* Codes for SIGCHLD */
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
-#define CLD_NOOP 0 /* if only I knew... */
+#define CLD_NOOP 0 /* if only I knew... */
#endif
-#define CLD_EXITED 1 /* [XSI] child has exited */
-#define CLD_KILLED 2 /* [XSI] terminated abnormally, no core file */
-#define CLD_DUMPED 3 /* [XSI] terminated abnormally, core file */
-#define CLD_TRAPPED 4 /* [XSI] traced child has trapped */
-#define CLD_STOPPED 5 /* [XSI] child has stopped */
-#define CLD_CONTINUED 6 /* [XSI] stopped child has continued */
+#define CLD_EXITED 1 /* [XSI] child has exited */
+#define CLD_KILLED 2 /* [XSI] terminated abnormally, no core file */
+#define CLD_DUMPED 3 /* [XSI] terminated abnormally, core file */
+#define CLD_TRAPPED 4 /* [XSI] traced child has trapped */
+#define CLD_STOPPED 5 /* [XSI] child has stopped */
+#define CLD_CONTINUED 6 /* [XSI] stopped child has continued */
/* Codes for SIGPOLL */
-#define POLL_IN 1 /* [XSR] Data input available */
-#define POLL_OUT 2 /* [XSR] Output buffers available */
-#define POLL_MSG 3 /* [XSR] Input message available */
-#define POLL_ERR 4 /* [XSR] I/O error */
-#define POLL_PRI 5 /* [XSR] High priority input available */
-#define POLL_HUP 6 /* [XSR] Device disconnected */
+#define POLL_IN 1 /* [XSR] Data input available */
+#define POLL_OUT 2 /* [XSR] Output buffers available */
+#define POLL_MSG 3 /* [XSR] Input message available */
+#define POLL_ERR 4 /* [XSR] I/O error */
+#define POLL_PRI 5 /* [XSR] High priority input available */
+#define POLL_HUP 6 /* [XSR] Device disconnected */
/* union for signal handlers */
union __sigaction_u {
void (*__sa_handler)(int);
void (*__sa_sigaction)(int, struct __siginfo *,
- void *);
+ void *);
};
/* Signal vector template for Kernel user boundary */
-struct __sigaction {
+struct __sigaction {
union __sigaction_u __sigaction_u; /* signal handler */
void (*sa_tramp)(void *, int, int, siginfo_t *, void *);
- sigset_t sa_mask; /* signal mask to apply */
- int sa_flags; /* see signal options below */
+ sigset_t sa_mask; /* signal mask to apply */
+ int sa_flags; /* see signal options below */
};
/*
* Signal vector "template" used in sigaction call.
*/
-struct sigaction {
+struct sigaction {
union __sigaction_u __sigaction_u; /* signal handler */
- sigset_t sa_mask; /* signal mask to apply */
- int sa_flags; /* see signal options below */
+ sigset_t sa_mask; /* signal mask to apply */
+ int sa_flags; /* see signal options below */
};
-#ifdef BSD_KERNEL_PRIVATE
+#ifdef BSD_KERNEL_PRIVATE
#include <machine/types.h>
union __user32_sigaction_u {
user32_addr_t __sa_sigaction;
};
-struct user32_sigaction {
+struct user32_sigaction {
union __user32_sigaction_u __sigaction_u; /* signal handler */
- sigset_t sa_mask; /* signal mask to apply */
- int sa_flags; /* see signal options below */
+ sigset_t sa_mask; /* signal mask to apply */
+ int sa_flags; /* see signal options below */
};
-struct __user32_sigaction {
+struct __user32_sigaction {
union __user32_sigaction_u __sigaction_u; /* signal handler */
user32_addr_t sa_tramp;
- sigset_t sa_mask; /* signal mask to apply */
- int sa_flags; /* see signal options below */
+ sigset_t sa_mask; /* signal mask to apply */
+ int sa_flags; /* see signal options below */
};
union __user64_sigaction_u {
- user64_addr_t __sa_handler;
- user64_addr_t __sa_sigaction;
+ user64_addr_t __sa_handler;
+ user64_addr_t __sa_sigaction;
};
-struct user64_sigaction {
+struct user64_sigaction {
union __user64_sigaction_u __sigaction_u; /* signal handler */
- sigset_t sa_mask; /* signal mask to apply */
- int sa_flags; /* see signal options below */
+ sigset_t sa_mask; /* signal mask to apply */
+ int sa_flags; /* see signal options below */
};
-struct __user64_sigaction {
+struct __user64_sigaction {
union __user64_sigaction_u __sigaction_u; /* signal handler */
- user64_addr_t sa_tramp; /* signal mask to apply */
- sigset_t sa_mask; /* signal mask to apply */
- int sa_flags; /* see signal options below */
+ user64_addr_t sa_tramp; /* signal mask to apply */
+ sigset_t sa_mask; /* signal mask to apply */
+ int sa_flags; /* see signal options below */
};
union __kern_sigaction_u {
- user_addr_t __sa_handler;
- user_addr_t __sa_sigaction;
+ user_addr_t __sa_handler;
+ user_addr_t __sa_sigaction;
};
-struct kern_sigaction {
+struct kern_sigaction {
union __kern_sigaction_u __sigaction_u; /* signal handler */
- sigset_t sa_mask; /* signal mask to apply */
- int sa_flags; /* see signal options below */
+ sigset_t sa_mask; /* signal mask to apply */
+ int sa_flags; /* see signal options below */
};
-struct __kern_sigaction {
+struct __kern_sigaction {
union __kern_sigaction_u __sigaction_u; /* signal handler */
- user_addr_t sa_tramp; /* signal mask to apply */
- sigset_t sa_mask; /* signal mask to apply */
- int sa_flags; /* see signal options below */
+ user_addr_t sa_tramp; /* signal mask to apply */
+ sigset_t sa_mask; /* signal mask to apply */
+ int sa_flags; /* see signal options below */
};
#undef SIG_DFL
#undef SIG_IGN
#undef SIG_ERR
-#define SIG_DFL ((user_addr_t)0LL)
-#define SIG_IGN ((user_addr_t)1LL)
-#define SIG_ERR ((user_addr_t)-1LL)
+#define SIG_DFL ((user_addr_t)0LL)
+#define SIG_IGN ((user_addr_t)1LL)
+#define SIG_ERR ((user_addr_t)-1LL)
-#endif /* BSD_KERNEL_PRIVATE */
+#endif /* BSD_KERNEL_PRIVATE */
/* if SA_SIGINFO is set, sa_sigaction is to be used instead of sa_handler. */
-#define sa_handler __sigaction_u.__sa_handler
-#define sa_sigaction __sigaction_u.__sa_sigaction
-
-#define SA_ONSTACK 0x0001 /* take signal on signal stack */
-#define SA_RESTART 0x0002 /* restart system on signal return */
-#ifdef BSD_KERNEL_PRIVATE
-#define SA_DISABLE 0x0004 /* disable taking signals on alternate stack - for user_sigaltstack.ss_flags only */
-#endif /* BSD_KERNEL_PRIVATE */
-#define SA_RESETHAND 0x0004 /* reset to SIG_DFL when taking signal */
-#define SA_NOCLDSTOP 0x0008 /* do not generate SIGCHLD on child stop */
-#define SA_NODEFER 0x0010 /* don't mask the signal we're delivering */
-#define SA_NOCLDWAIT 0x0020 /* don't keep zombies around */
-#define SA_SIGINFO 0x0040 /* signal handler with SA_SIGINFO args */
+#define sa_handler __sigaction_u.__sa_handler
+#define sa_sigaction __sigaction_u.__sa_sigaction
+
+#define SA_ONSTACK 0x0001 /* take signal on signal stack */
+#define SA_RESTART 0x0002 /* restart system on signal return */
+#ifdef BSD_KERNEL_PRIVATE
+#define SA_DISABLE 0x0004 /* disable taking signals on alternate stack - for user_sigaltstack.ss_flags only */
+#endif /* BSD_KERNEL_PRIVATE */
+#define SA_RESETHAND 0x0004 /* reset to SIG_DFL when taking signal */
+#define SA_NOCLDSTOP 0x0008 /* do not generate SIGCHLD on child stop */
+#define SA_NODEFER 0x0010 /* don't mask the signal we're delivering */
+#define SA_NOCLDWAIT 0x0020 /* don't keep zombies around */
+#define SA_SIGINFO 0x0040 /* signal handler with SA_SIGINFO args */
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
-#define SA_USERTRAMP 0x0100 /* do not bounce off kernel's sigtramp */
+#define SA_USERTRAMP 0x0100 /* do not bounce off kernel's sigtramp */
/* This will provide 64bit register set in a 32bit user address space */
-#define SA_64REGSET 0x0200 /* signal handler with SA_SIGINFO args with 64bit regs information */
+#define SA_64REGSET 0x0200 /* signal handler with SA_SIGINFO args with 64bit regs information */
#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
+#ifdef BSD_KERNEL_PRIVATE
+#define SA_VALIDATE_SIGRETURN_FROM_SIGTRAMP 0x0400 /* use token to validate sigreturn was called from matching sigtramp */
+#endif /* BSD_KERNEL_PRIVATE */
-/* the following are the only bits we support from user space, the
+/* the following are the only bits we support from user space, the
* rest are for kernel use only.
*/
#define SA_USERSPACE_MASK (SA_ONSTACK | SA_RESTART | SA_RESETHAND | SA_NOCLDSTOP | SA_NODEFER | SA_NOCLDWAIT | SA_SIGINFO)
/*
* Flags for sigprocmask:
*/
-#define SIG_BLOCK 1 /* block specified signal set */
-#define SIG_UNBLOCK 2 /* unblock specified signal set */
-#define SIG_SETMASK 3 /* set specified signal set */
+#define SIG_BLOCK 1 /* block specified signal set */
+#define SIG_UNBLOCK 2 /* unblock specified signal set */
+#define SIG_SETMASK 3 /* set specified signal set */
/* POSIX 1003.1b required values. */
-#define SI_USER 0x10001 /* [CX] signal from kill() */
-#define SI_QUEUE 0x10002 /* [CX] signal from sigqueue() */
-#define SI_TIMER 0x10003 /* [CX] timer expiration */
-#define SI_ASYNCIO 0x10004 /* [CX] aio request completion */
-#define SI_MESGQ 0x10005 /* [CX] from message arrival on empty queue */
+#define SI_USER 0x10001 /* [CX] signal from kill() */
+#define SI_QUEUE 0x10002 /* [CX] signal from sigqueue() */
+#define SI_TIMER 0x10003 /* [CX] timer expiration */
+#define SI_ASYNCIO 0x10004 /* [CX] aio request completion */
+#define SI_MESGQ 0x10005 /* [CX] from message arrival on empty queue */
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
-typedef void (*sig_t)(int); /* type of signal function */
+typedef void (*sig_t)(int); /* type of signal function */
#endif
/*
* Structure used in sigaltstack call.
*/
-#ifdef BSD_KERNEL_PRIVATE
+#ifdef BSD_KERNEL_PRIVATE
struct user32_sigaltstack {
- user32_addr_t ss_sp; /* signal stack base */
- user32_size_t ss_size; /* signal stack length */
- int ss_flags; /* SA_DISABLE and/or SA_ONSTACK */
+ user32_addr_t ss_sp; /* signal stack base */
+ user32_size_t ss_size; /* signal stack length */
+ int ss_flags; /* SA_DISABLE and/or SA_ONSTACK */
};
struct user64_sigaltstack {
- user64_addr_t ss_sp; /* signal stack base */
- user64_size_t ss_size; /* signal stack length */
- int ss_flags; /* SA_DISABLE and/or SA_ONSTACK */
+ user64_addr_t ss_sp; /* signal stack base */
+ user64_size_t ss_size; /* signal stack length */
+ int ss_flags; /* SA_DISABLE and/or SA_ONSTACK */
};
struct kern_sigaltstack {
- user_addr_t ss_sp; /* signal stack base */
- user_size_t ss_size; /* signal stack length */
- int ss_flags; /* SA_DISABLE and/or SA_ONSTACK */
+ user_addr_t ss_sp; /* signal stack base */
+ user_size_t ss_size; /* signal stack length */
+ int ss_flags; /* SA_DISABLE and/or SA_ONSTACK */
};
-#endif /* BSD_KERNEL_PRIVATE */
+#endif /* BSD_KERNEL_PRIVATE */
-#define SS_ONSTACK 0x0001 /* take signal on signal stack */
-#define SS_DISABLE 0x0004 /* disable taking signals on alternate stack */
-#define MINSIGSTKSZ 32768 /* (32K)minimum allowable stack */
-#define SIGSTKSZ 131072 /* (128K)recommended stack size */
+#define SS_ONSTACK 0x0001 /* take signal on signal stack */
+#define SS_DISABLE 0x0004 /* disable taking signals on alternate stack */
+#define MINSIGSTKSZ 32768 /* (32K)minimum allowable stack */
+#define SIGSTKSZ 131072 /* (128K)recommended stack size */
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
/*
* 4.3 compatibility:
* Signal vector "template" used in sigvec call.
*/
-struct sigvec {
- void (*sv_handler)(int); /* signal handler */
- int sv_mask; /* signal mask to apply */
- int sv_flags; /* see signal options below */
+struct sigvec {
+ void (*sv_handler)(int); /* signal handler */
+ int sv_mask; /* signal mask to apply */
+ int sv_flags; /* see signal options below */
};
-#define SV_ONSTACK SA_ONSTACK
-#define SV_INTERRUPT SA_RESTART /* same bit, opposite sense */
-#define SV_RESETHAND SA_RESETHAND
-#define SV_NODEFER SA_NODEFER
-#define SV_NOCLDSTOP SA_NOCLDSTOP
-#define SV_SIGINFO SA_SIGINFO
+#define SV_ONSTACK SA_ONSTACK
+#define SV_INTERRUPT SA_RESTART /* same bit, opposite sense */
+#define SV_RESETHAND SA_RESETHAND
+#define SV_NODEFER SA_NODEFER
+#define SV_NOCLDSTOP SA_NOCLDSTOP
+#define SV_SIGINFO SA_SIGINFO
-#define sv_onstack sv_flags /* isn't compatibility wonderful! */
+#define sv_onstack sv_flags /* isn't compatibility wonderful! */
#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
/*
* Structure used in sigstack call.
*/
-struct sigstack {
- char *ss_sp; /* signal stack pointer */
- int ss_onstack; /* current status */
+struct sigstack {
+ char *ss_sp; /* signal stack pointer */
+ int ss_onstack; /* current status */
};
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
* Macro for converting signal number to a mask suitable for
* sigblock().
*/
-#define sigmask(m) (1 << ((m)-1))
+#define sigmask(m) (1 << ((m)-1))
-#ifdef BSD_KERNEL_PRIVATE
+#ifdef KERNEL_PRIVATE
/*
* signals delivered on a per-thread basis.
*/
#define threadmask (sigmask(SIGILL)|sigmask(SIGTRAP)|\
- sigmask(SIGIOT)|sigmask(SIGEMT)|\
- sigmask(SIGFPE)|sigmask(SIGBUS)|\
- sigmask(SIGSEGV)|sigmask(SIGSYS)|\
- sigmask(SIGPIPE))
+ sigmask(SIGABRT)|sigmask(SIGEMT)|\
+ sigmask(SIGFPE)|sigmask(SIGBUS)|\
+ sigmask(SIGSEGV)|sigmask(SIGSYS)|\
+ sigmask(SIGPIPE)|sigmask(SIGKILL))
-#define workq_threadmask (threadmask | sigcantmask)
+#define workq_threadmask ((threadmask | sigcantmask | sigmask(SIGPROF)) & ~sigmask(SIGABRT))
/*
* Signals carried across exec.
*/
#define execmask (sigmask(SIGHUP)|sigmask(SIGINT)|\
- sigmask(SIGQUIT)|sigmask(SIGKILL)|\
- sigmask(SIGTERM)|sigmask(SIGSTOP)|\
- sigmask(SIGTSTP)|sigmask(SIGCONT)|\
- sigmask(SIGTTIN)|sigmask(SIGTTOU)|\
- sigmask(SIGUSR1)|sigmask(SIGUSR2))
+ sigmask(SIGQUIT)|sigmask(SIGKILL)|\
+ sigmask(SIGTERM)|sigmask(SIGSTOP)|\
+ sigmask(SIGTSTP)|sigmask(SIGCONT)|\
+ sigmask(SIGTTIN)|sigmask(SIGTTOU)|\
+ sigmask(SIGUSR1)|sigmask(SIGUSR2))
-#endif /* BSD_KERNEL_PRIVATE */
+#endif /* KERNEL_PRIVATE */
-#define BADSIG SIG_ERR
+#define BADSIG SIG_ERR
-#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
-#endif /* !_ANSI_SOURCE */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
+#endif /* !_ANSI_SOURCE */
/*
* For historical reasons; programs expect signal's return value to be
* defined by <sys/signal.h>.
*/
__BEGIN_DECLS
-void (*signal(int, void (*)(int)))(int);
+ void(*signal(int, void (*)(int)))(int);
__END_DECLS
-#endif /* !_SYS_SIGNAL_H_ */
+#endif /* !_SYS_SIGNAL_H_ */
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