/*
- * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
+ * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
*
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * @APPLE_LICENSE_OSREFERENCE_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
+ * 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. 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
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
+ *
+ * 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,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * 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_LICENSE_HEADER_END@
+ *
+ * @APPLE_LICENSE_OSREFERENCE_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 user_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
+/*
+ * 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 (void (*)(int))2
+#define KERN_SIG_HOLD (void (*)(int))3
+#define KERN_SIG_WAIT (void (*)(int))4
#define pgsigio(pgid, sig, notused) \
{ \
#define sigcantmask (sigmask(SIGKILL) | sigmask(SIGSTOP))
-#ifdef KERNEL
/*
* 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));
+int signal_lock(struct proc *);
+int signal_unlock(struct proc *);
+int coredump(struct proc *p);
+void execsigs(struct proc *p, thread_t thread);
+void gsignal(int pgid, int sig);
+int issignal(struct proc *p);
+int CURSIG(struct proc *p);
+int clear_procsiglist(struct proc *p, int bit);
+int clear_procsigmask(struct proc *p, int bit);
+int set_procsigmask(struct proc *p, int bit);
+void tty_pgsignal(struct pgrp *pgrp, int sig);
+void postsig(int sig);
+void siginit(struct proc *p);
+void trapsignal(struct proc *p, int sig, unsigned code);
+void pt_setrunnable(struct proc *p);
/*
* Machine-dependent functions:
*/
-void sendsig __P((struct proc *, sig_t action, int sig,
- int returnmask, u_long code));
-
-#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 */
-
-#endif /* KERNEL */
-
-#endif /* __APPLE_API_PRIVATE */
+void sendsig(struct proc *, /*sig_t*/ user_addr_t action, int sig,
+ int returnmask, u_long code);
+
+void psignal(struct proc *p, int sig);
+void pgsignal(struct pgrp *pgrp, int sig, int checkctty);
+void threadsignal(thread_t sig_actthread, int signum, u_long code);
+int thread_issignal(proc_t p, thread_t th, sigset_t mask);
+void psignal_vfork(struct proc *p, task_t new_task, thread_t thr_act,
+ int signum);
+void psignal_vtalarm(struct proc *);
+void psignal_xcpu(struct proc *);
+void psignal_sigprof(struct proc *);
+void psignal_lock(struct proc *, int, int);
+void signal_setast(thread_t sig_actthread);
+
+/* XXX not really very "inline"... */
+__inline__ void sig_lock_to_exit(struct proc *p);
+__inline__ int sig_try_locked(struct proc *p);
+
+#endif /* BSD_KERNEL_PRIVATE */
#endif /* !_SYS_SIGNALVAR_H_ */
projects / apple / xnu.git / blobdiff