X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/378393581903b274cb7a4d18e0d978071a6b592d..7e41aa883dd258f888d0470250eead40a53ef1f5:/bsd/sys/signalvar.h diff --git a/bsd/sys/signalvar.h b/bsd/sys/signalvar.h index cd0f01880..6d8488807 100644 --- a/bsd/sys/signalvar.h +++ b/bsd/sys/signalvar.h @@ -1,23 +1,29 @@ /* * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * 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. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * 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 OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * 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_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ /* @@ -81,7 +87,7 @@ struct sigacts { 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 user_sigaltstack ps_sigstk; /* sp, length & flags */ + 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 */ @@ -98,18 +104,9 @@ struct sigacts { * 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) \ - { \ - struct proc *p; \ - if (pgid < 0) \ - gsignal(-(pgid), sig);\ - else if (pgid > 0 && (p = pfind(pgid)) != 0) \ - psignal(p, sig); \ -} +#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 @@ -122,7 +119,7 @@ struct sigacts { #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)) /* @@ -191,47 +188,63 @@ int sigprop[NSIG + 1] = { #define sigcantmask (sigmask(SIGKILL) | sigmask(SIGSTOP)) +#define SIGRESTRICTMASK (sigmask(SIGILL) | sigmask(SIGTRAP) | sigmask(SIGABRT) | \ + sigmask(SIGFPE) | sigmask(SIGBUS) | sigmask(SIGSEGV) | \ + sigmask(SIGSYS)) + +extern unsigned sigrestrict_arg; + /* * Machine-independent functions: */ -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 issignal_locked(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 clear_procsiglist(struct proc *p, int bit, int in_signalstart); int set_procsigmask(struct proc *p, int bit); -void tty_pgsignal(struct pgrp *pgrp, int sig); -void postsig(int sig); +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); /* * Machine-dependent functions: */ void sendsig(struct proc *, /*sig_t*/ user_addr_t action, int sig, - int returnmask, u_long code); + int returnmask, uint32_t code); void psignal(struct proc *p, int sig); +void psignal_locked(struct proc *, int); void pgsignal(struct pgrp *pgrp, int sig, int checkctty); -void threadsignal(thread_t sig_actthread, int signum, u_long code); +void tty_pgsignal(struct tty * tp, int sig, int checkctty); +void threadsignal(thread_t sig_actthread, int signum, + mach_exception_code_t 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, +void psignal_vfork(struct proc *p, task_t new_task, thread_t thread, 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); +void pgsigio(pid_t pgid, int signalnum); -/* XXX not really very "inline"... */ -__inline__ void sig_lock_to_exit(struct proc *p); -__inline__ int sig_try_locked(struct proc *p); +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 */ + +int coredump(struct proc *p, uint32_t reserve_mb, int coredump_flags); + +#endif /* XNU_KERNEL_PRIVATE */ + + #endif /* !_SYS_SIGNALVAR_H_ */