/*
* Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 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
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * 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
* Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
#include <sys/appleapiopts.h>
-#ifdef __APPLE_API_PRIVATE
+#ifdef BSD_KERNEL_PRIVATE
/*
* Kernel signal definitions and data structures,
* not exported to user programs.
* (not necessarily resident).
*/
struct sigacts {
- sig_t ps_sigact[NSIG]; /* disposition of signals */
- sig_t ps_trampact[NSIG]; /* disposition of signals */
+ user_addr_t ps_sigact[NSIG]; /* disposition of signals */
+ user_addr_t ps_trampact[NSIG]; /* disposition of signals */
sigset_t ps_catchmask[NSIG]; /* signals to be blocked */
sigset_t ps_sigonstack; /* signals to take on sigstack */
sigset_t ps_sigintr; /* signals that interrupt syscalls */
sigset_t ps_siginfo; /* signals that want SA_SIGINFO args */
sigset_t ps_oldmask; /* saved mask from before sigpause */
int ps_flags; /* signal flags, below */
- struct sigaltstack ps_sigstk; /* sp & on stack state variable */
+ struct kern_sigaltstack ps_sigstk; /* sp, length & flags */
int ps_sig; /* for core dump/debugger XXX */
int ps_code; /* for core dump/debugger XXX */
int ps_addr; /* for core dump/debugger XXX */
#define SAS_OLDMASK 0x01 /* need to restore mask before pause */
#define SAS_ALTSTACK 0x02 /* have alternate signal stack */
-/* additional signal action values, used only temporarily/internally */
-#define SIG_CATCH (void (*)())2
-#define SIG_HOLD (void (*)())3
-#define SIG_WAIT (void (*)())4
-
-#define pgsigio(pgid, sig, notused) \
- { \
- struct proc *p; \
- if (pgid < 0) \
- gsignal(-(pgid), sig);\
- else if (pgid > 0 && (p = pfind(pgid)) != 0) \
- psignal(p, sig); \
-}
+/*
+ * Additional signal action values, used only temporarily/internally; these
+ * values should be non-intersecting with values defined in signal.h, e.g.:
+ * SIG_IGN, SIG_DFL, SIG_ERR, SIG_IGN.
+ */
+#define KERN_SIG_CATCH CAST_USER_ADDR_T(2)
+#define KERN_SIG_HOLD CAST_USER_ADDR_T(3)
+#define KERN_SIG_WAIT CAST_USER_ADDR_T(4)
/*
* get signal action for process and signal; currently only for current process
#define SHOULDissignal(p,uthreadp) \
(((uthreadp)->uu_siglist) \
& ~((((uthreadp)->uu_sigmask) \
- | (((p)->p_flag & P_TRACED) ? 0 : (p)->p_sigignore)) \
+ | (((p)->p_lflag & P_LTRACED) ? 0 : (p)->p_sigignore)) \
& ~sigcantmask))
/*
#define SA_CANTMASK 0x40 /* non-maskable, catchable */
#ifdef SIGPROP
-int sigprop[NSIG + 1] = {
+int sigprop[NSIG] = {
0, /* unused */
SA_KILL, /* SIGHUP */
SA_KILL, /* SIGINT */
#define sigcantmask (sigmask(SIGKILL) | sigmask(SIGSTOP))
-#ifdef KERNEL
+#define SIGRESTRICTMASK (sigmask(SIGILL) | sigmask(SIGTRAP) | sigmask(SIGABRT) | \
+ sigmask(SIGFPE) | sigmask(SIGBUS) | sigmask(SIGSEGV) | \
+ sigmask(SIGSYS))
+
+extern unsigned sigrestrict_arg;
+
/*
* Machine-independent functions:
*/
-int coredump __P((struct proc *p));
-void execsigs __P((struct proc *p, thread_act_t thr_act));
-void gsignal __P((int pgid, int sig));
-int issignal __P((struct proc *p));
-int CURSIG __P((struct proc *p));
-int clear_procsiglist __P((struct proc *p, int bit));
-int clear_procsigmask __P((struct proc *p, int bit));
-int set_procsigmask __P((struct proc *p, int bit));
-void tty_pgsignal __P((struct pgrp *pgrp, int sig));
-void postsig __P((int sig));
-void siginit __P((struct proc *p));
-void trapsignal __P((struct proc *p, int sig, unsigned code));
-void pt_setrunnable __P((struct proc *p));
+void execsigs(struct proc *p, thread_t thread);
+void gsignal(int pgid, int sig);
+int issignal_locked(struct proc *p);
+int CURSIG(struct proc *p);
+int clear_procsiglist(struct proc *p, int bit, int in_signalstart);
+int set_procsigmask(struct proc *p, int bit);
+void postsig_locked(int sig);
+void siginit(struct proc *p);
+void trapsignal(struct proc *p, int sig, unsigned code);
+void pt_setrunnable(struct proc *p);
+int hassigprop(int sig, int prop);
+int setsigvec(proc_t, thread_t, int signum, struct __kern_sigaction *, boolean_t in_sigstart);
+
+struct os_reason;
/*
* Machine-dependent functions:
*/
-void sendsig __P((struct proc *, sig_t action, int sig,
- int returnmask, u_long code));
+void sendsig(struct proc *, /*sig_t*/ user_addr_t action, int sig,
+ int returnmask, uint32_t code);
+
+void psignal(struct proc *p, int sig);
+void psignal_with_reason(struct proc *p, int sig, struct os_reason *signal_reason);
+void psignal_locked(struct proc *, int);
+void psignal_try_thread(proc_t, thread_t, int signum);
+void psignal_try_thread_with_reason(proc_t, thread_t, int, struct os_reason*);
+void psignal_thread_with_reason(proc_t, thread_t, int, struct os_reason*);
+void psignal_uthread(thread_t, int);
+void pgsignal(struct pgrp *pgrp, int sig, int checkctty);
+void tty_pgsignal(struct tty * tp, int sig, int checkctty);
+void threadsignal(thread_t sig_actthread, int signum,
+ mach_exception_code_t code, boolean_t set_exitreason);
+int thread_issignal(proc_t p, thread_t th, sigset_t mask);
+void psignal_vfork(struct proc *p, task_t new_task, thread_t thread,
+ int signum);
+void psignal_vfork_with_reason(proc_t p, task_t new_task, thread_t thread,
+ int signum, struct os_reason *signal_reason);
+void signal_setast(thread_t sig_actthread);
+void pgsigio(pid_t pgid, int signalnum);
+
+void sig_lock_to_exit(struct proc *p);
+int sig_try_locked(struct proc *p);
+
+#endif /* BSD_KERNEL_PRIVATE */
+
+
+#ifdef XNU_KERNEL_PRIVATE
+
+/* Functions exported to Mach as well */
+
+#define COREDUMP_IGNORE_ULIMIT 0x0001 /* Ignore the process's core file ulimit. */
+#define COREDUMP_FULLFSYNC 0x0002 /* Run F_FULLFSYNC on the core file's vnode */
-#ifdef __APPLE_API_UNSTABLE
-void psignal __P((struct proc *p, int sig));
-void pgsignal __P((struct pgrp *pgrp, int sig, int checkctty));
-#endif /* __APPLE_API_UNSTABLE */
+int coredump(struct proc *p, uint32_t reserve_mb, int coredump_flags);
+void set_thread_exit_reason(void *th, void *reason, boolean_t proc_locked);
-#endif /* KERNEL */
+#endif /* XNU_KERNEL_PRIVATE */
-#endif /* __APPLE_API_PRIVATE */
#endif /* !_SYS_SIGNALVAR_H_ */
projects / apple / xnu.git / blobdiff