/*
- * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#include <sys/cdefs.h>
#include <sys/appleapiopts.h>
+#include <Availability.h>
-#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE)
-#define 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
#endif
#include <machine/signal.h> /* sigcontext; codes for SIGILL, SIGFPE */
#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)
+#if (defined(_POSIX_C_SOURCE) && !defined(_DARWIN_C_SOURCE))
#define SIGPOLL 7 /* pollable event ([XSR] generated, not supported) */
-#else /* !_POSIX_C_SOURCE */
+#else /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
#define SIGIOT SIGABRT /* compatibility */
#define SIGEMT 7 /* EMT instruction */
-#endif /* !_POSIX_C_SOURCE */
+#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 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)
+#if (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
#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 */
-#if !defined(_POSIX_C_SOURCE)
+#if (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
#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 */
-#if defined(_ANSI_SOURCE) || defined(_POSIX_C_SOURCE) || defined(__cplusplus)
+#if defined(_ANSI_SOURCE) || __DARWIN_UNIX03 || defined(__cplusplus)
/*
* Language spec sez we must list exactly one parameter, even though we
* actually supply three. Ugh!
#ifndef _ANSI_SOURCE
#include <sys/_types.h>
-#ifndef _MCONTEXT_T
-#define _MCONTEXT_T
-typedef __darwin_mcontext_t mcontext_t;
-#endif
-
-#ifndef _POSIX_C_SOURCE
-#ifndef _MCONTEXT64_T
-#define _MCONTEXT64_T
-typedef __darwin_mcontext64_t mcontext64_t;
-#endif
-#endif /* _POSIX_C_SOURCE */
+#include <machine/_mcontext.h>
-#ifndef _PID_T
-#define _PID_T
-typedef __darwin_pid_t pid_t;
-#endif
+#ifndef KERNEL
+#include <sys/_pthread/_pthread_attr_t.h>
+#endif /* KERNEL */
-#ifndef _PTHREAD_ATTR_T
-#define _PTHREAD_ATTR_T
-typedef __darwin_pthread_attr_t pthread_attr_t;
-#endif
+#include <sys/_types/_sigaltstack.h>
+#include <sys/_types/_ucontext.h>
-#ifndef _SIGSET_T
-#define _SIGSET_T
-typedef __darwin_sigset_t sigset_t;
-#endif
-
-#ifndef _SIZE_T
-#define _SIZE_T
-typedef __darwin_size_t size_t;
-#endif
-
-#ifndef _UCONTEXT_T
-#define _UCONTEXT_T
-typedef __darwin_ucontext_t ucontext_t;
-#endif
-
-#ifndef _POSIX_C_SOURCE
-#ifndef _UCONTEXT64_T
-#define _UCONTEXT64_T
-typedef __darwin_ucontext64_t ucontext64_t;
-#endif
-#endif /* _POSIX_C_SOURCE */
-
-#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. */
void *sival_ptr;
};
-#define SIGEV_NONE 0 /* No async notification */
-#define SIGEV_SIGNAL 1 /* aio - completion notification */
-#define SIGEV_THREAD 3 /* A notification function will be called to perform notification */
+#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 */
void (*sigev_notify_function)(union sigval); /* Notification function */
pthread_attr_t *sigev_notify_attributes; /* Notification attributes */
};
+#endif /* KERNEL */
-// LP64todo - should this move?
#ifdef BSD_KERNEL_PRIVATE
+union user64_sigval {
+ struct {
+ uint32_t pad; /* assumes Motorola byte order */
+ int32_t sival_int;
+ } size_equivalent;
+ user64_addr_t sival_ptr;
+};
+
+union user32_sigval {
+ /* Members as suggested by Annex C of POSIX 1003.1b. */
+ int32_t sival_int;
+ user32_addr_t sival_ptr;
+};
+
union user_sigval {
struct {
- int pad; /* assumes Motorolla byte order */
- int sival_int;
+ uint32_t pad; /* assumes Motorola byte order */
+ int32_t sival_int;
} size_equivalent;
- user_addr_t sival_ptr;
+ 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 */
+};
+
+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 */
};
struct user_sigevent {
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 */
+ unsigned long __pad[7]; /* Reserved for Future Use */
} siginfo_t;
#ifdef BSD_KERNEL_PRIVATE
-typedef struct __user_siginfo {
+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 */
+ 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 */
+} 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 */
+} 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 */
/*
- * Incase of SIGILL and SIGFPE, si_addr contains the address of
- * faulting instruction.
- * Incase of SIGSEGV and SIGBUS, si_addr contains address of
- * faulting memory reference.
- * Incase of SIGCHLD, si_pid willhave child process ID,
- * si_status will contain exit value or signal.
- * si_uid contains real user ID of the process that sent the signal
+ * 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
+ * the faulting memory reference. Although for x86 there are cases of SIGSEGV
+ * 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.
*/
/* Values for si_code */
/* Codes for SIGILL */
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#define ILL_NOOP 0 /* if only I knew... */
#endif
#define ILL_ILLOPC 1 /* [XSI] illegal opcode */
#define ILL_BADSTK 8 /* [XSI] internal stack error -NOTIMP */
/* Codes for SIGFPE */
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#define FPE_NOOP 0 /* if only I knew... */
#endif
#define FPE_FLTDIV 1 /* [XSI] floating point divide by zero */
#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 -NOTIMP */
-#define FPE_INTOVF 8 /* [XSI] integer overflow -NOTIMP */
+#define FPE_INTDIV 7 /* [XSI] integer divide by zero */
+#define FPE_INTOVF 8 /* [XSI] integer overflow */
/* Codes for SIGSEGV */
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#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 */
/* Codes for SIGBUS */
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#define BUS_NOOP 0 /* if only I knew... */
#endif
#define BUS_ADRALN 1 /* [XSI] Invalid address alignment */
#define TRAP_TRACE 2 /* [XSI] Process trace trap -NOTIMP */
/* Codes for SIGCHLD */
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#define CLD_NOOP 0 /* if only I knew... */
#endif
#define CLD_EXITED 1 /* [XSI] child has exited */
#ifdef BSD_KERNEL_PRIVATE
#include <machine/types.h>
-union __user_sigaction_u {
+union __user32_sigaction_u {
+ user32_addr_t __sa_handler;
+ user32_addr_t __sa_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 */
+};
+
+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 */
+};
+
+union __user64_sigaction_u {
+ user64_addr_t __sa_handler;
+ user64_addr_t __sa_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 */
+};
+
+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 */
+};
+
+union __kern_sigaction_u {
user_addr_t __sa_handler;
user_addr_t __sa_sigaction;
};
-struct user_sigaction {
- union __user_sigaction_u __sigaction_u; /* signal handler */
+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 */
};
-struct __user_sigaction {
- union __user_sigaction_u __sigaction_u; /* signal handler */
+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 */
#define SA_ONSTACK 0x0001 /* take signal on signal stack */
#define SA_RESTART 0x0002 /* restart system on signal return */
-#define SA_DISABLE 0x0004 /* disable taking signals on alternate stack */
+#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 */
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#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 */
-#endif /* !_POSIX_C_SOURCE */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
+
+/* 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 SI_ASYNCIO 0x10004 /* [CX] aio request completion */
#define SI_MESGQ 0x10005 /* [CX] from message arrival on empty queue */
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
typedef void (*sig_t)(int); /* type of signal function */
#endif
*/
#ifdef BSD_KERNEL_PRIVATE
-struct user_sigaltstack {
+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 */
+};
+
+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 */
+};
+
+struct kern_sigaltstack {
user_addr_t ss_sp; /* signal stack base */
user_size_t ss_size; /* signal stack length */
- int ss_flags __attribute((aligned(8))); /* SA_DISABLE and/or SA_ONSTACK */
+ int ss_flags; /* SA_DISABLE and/or SA_ONSTACK */
};
#endif /* BSD_KERNEL_PRIVATE */
-#ifndef _STACK_T
-#define _STACK_T
-typedef __darwin_stack_t stack_t;
-#endif
-
#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 */
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
/*
* 4.3 compatibility:
* Signal vector "template" used in sigvec call.
#define SV_SIGINFO SA_SIGINFO
#define sv_onstack sv_flags /* isn't compatibility wonderful! */
-#endif /* !_POSIX_C_SOURCE */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
/*
* Structure used in sigstack call.
int ss_onstack; /* current status */
};
-#ifndef _POSIX_C_SOURCE
+#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))
-#ifdef BSD_KERNEL_PRIVATE
+#ifdef KERNEL_PRIVATE
/*
* signals delivered on a per-thread basis.
*/
sigmask(SIGIOT)|sigmask(SIGEMT)|\
sigmask(SIGFPE)|sigmask(SIGBUS)|\
sigmask(SIGSEGV)|sigmask(SIGSYS)|\
- sigmask(SIGPIPE))
-#endif /* BSD_KERNEL_PRIVATE */
+ sigmask(SIGPIPE)|sigmask(SIGKILL))
+
+#define workq_threadmask (threadmask | sigcantmask | sigmask(SIGPROF))
+
+/*
+ * 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))
+
+#endif /* KERNEL_PRIVATE */
#define BADSIG SIG_ERR
-#endif /* !_POSIX_C_SOURCE */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
#endif /* !_ANSI_SOURCE */
/*
projects / apple / xnu.git / blobdiff