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authorJoel Sherrill <joel.sherrill@oarcorp.com>2012-09-05 13:11:21 -0500
committerJoel Sherrill <joel.sherrill@oarcorp.com>2012-09-05 13:11:21 -0500
commitfa3526a65de9358eab770a8b893398a6e97e485f (patch)
tree6c671839f5249cf743a51c81fd6097d5660c4a8a
parentf80f90f11dcb10b76dd5da2ec8e31d614c007dcd (diff)
downloadrtems-libbsd-fa3526a65de9358eab770a8b893398a6e97e485f.tar.bz2
freebsd/sys/signalvar.h: Use empty file from previous commit
-rw-r--r--freebsd/sys/signalvar.h372
1 files changed, 0 insertions, 372 deletions
diff --git a/freebsd/sys/signalvar.h b/freebsd/sys/signalvar.h
deleted file mode 100644
index 58653516..00000000
--- a/freebsd/sys/signalvar.h
+++ /dev/null
@@ -1,372 +0,0 @@
-/*-
- * Copyright (c) 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)signalvar.h 8.6 (Berkeley) 2/19/95
- * $FreeBSD$
- */
-
-#ifndef _SYS_SIGNALVAR_HH_
-#define _SYS_SIGNALVAR_HH_
-
-#include <freebsd/sys/queue.h>
-#include <freebsd/sys/_lock.h>
-#include <freebsd/sys/_mutex.h>
-#include <freebsd/sys/signal.h>
-
-/*
- * Kernel signal definitions and data structures,
- * not exported to user programs.
- */
-
-/*
- * Logical process signal actions and state, needed only within the process
- * The mapping between sigacts and proc structures is 1:1 except for rfork()
- * processes masquerading as threads which use one structure for the whole
- * group. All members are locked by the included mutex. The reference count
- * and mutex must be last for the bcopy in sigacts_copy() to work.
- */
-struct sigacts {
- sig_t ps_sigact[_SIG_MAXSIG]; /* Disposition of signals. */
- sigset_t ps_catchmask[_SIG_MAXSIG]; /* Signals to be blocked. */
- sigset_t ps_sigonstack; /* Signals to take on sigstack. */
- sigset_t ps_sigintr; /* Signals that interrupt syscalls. */
- sigset_t ps_sigreset; /* Signals that reset when caught. */
- sigset_t ps_signodefer; /* Signals not masked while handled. */
- sigset_t ps_siginfo; /* Signals that want SA_SIGINFO args. */
- sigset_t ps_sigignore; /* Signals being ignored. */
- sigset_t ps_sigcatch; /* Signals being caught by user. */
- sigset_t ps_freebsd4; /* signals using freebsd4 ucontext. */
- sigset_t ps_osigset; /* Signals using <= 3.x osigset_t. */
- sigset_t ps_usertramp; /* SunOS compat; libc sigtramp. XXX */
- int ps_flag;
- int ps_refcnt;
- struct mtx ps_mtx;
-};
-
-#define PS_NOCLDWAIT 0x0001 /* No zombies if child dies */
-#define PS_NOCLDSTOP 0x0002 /* No SIGCHLD when children stop. */
-#define PS_CLDSIGIGN 0x0004 /* The SIGCHLD handler is SIG_IGN. */
-
-#if defined(_KERNEL) && defined(COMPAT_43)
-/*
- * Compatibility.
- */
-typedef struct {
- struct osigcontext si_sc;
- int si_signo;
- int si_code;
- union sigval si_value;
-} osiginfo_t;
-
-struct osigaction {
- union {
- void (*__sa_handler)(int);
- void (*__sa_sigaction)(int, osiginfo_t *, void *);
- } __sigaction_u; /* signal handler */
- osigset_t sa_mask; /* signal mask to apply */
- int sa_flags; /* see signal options below */
-};
-
-typedef void __osiginfohandler_t(int, osiginfo_t *, void *);
-#endif /* _KERNEL && COMPAT_43 */
-
-/* additional signal action values, used only temporarily/internally */
-#define SIG_CATCH ((__sighandler_t *)2)
-/* #define SIG_HOLD ((__sighandler_t *)3) See signal.h */
-
-/*
- * get signal action for process and signal; currently only for current process
- */
-#define SIGACTION(p, sig) (p->p_sigacts->ps_sigact[_SIG_IDX(sig)])
-
-/*
- * sigset_t manipulation macros
- */
-#define SIGADDSET(set, signo) \
- ((set).__bits[_SIG_WORD(signo)] |= _SIG_BIT(signo))
-
-#define SIGDELSET(set, signo) \
- ((set).__bits[_SIG_WORD(signo)] &= ~_SIG_BIT(signo))
-
-#define SIGEMPTYSET(set) \
- do { \
- int __i; \
- for (__i = 0; __i < _SIG_WORDS; __i++) \
- (set).__bits[__i] = 0; \
- } while (0)
-
-#define SIGFILLSET(set) \
- do { \
- int __i; \
- for (__i = 0; __i < _SIG_WORDS; __i++) \
- (set).__bits[__i] = ~0U; \
- } while (0)
-
-#define SIGISMEMBER(set, signo) \
- ((set).__bits[_SIG_WORD(signo)] & _SIG_BIT(signo))
-
-#define SIGISEMPTY(set) (__sigisempty(&(set)))
-#define SIGNOTEMPTY(set) (!__sigisempty(&(set)))
-
-#define SIGSETEQ(set1, set2) (__sigseteq(&(set1), &(set2)))
-#define SIGSETNEQ(set1, set2) (!__sigseteq(&(set1), &(set2)))
-
-#define SIGSETOR(set1, set2) \
- do { \
- int __i; \
- for (__i = 0; __i < _SIG_WORDS; __i++) \
- (set1).__bits[__i] |= (set2).__bits[__i]; \
- } while (0)
-
-#define SIGSETAND(set1, set2) \
- do { \
- int __i; \
- for (__i = 0; __i < _SIG_WORDS; __i++) \
- (set1).__bits[__i] &= (set2).__bits[__i]; \
- } while (0)
-
-#define SIGSETNAND(set1, set2) \
- do { \
- int __i; \
- for (__i = 0; __i < _SIG_WORDS; __i++) \
- (set1).__bits[__i] &= ~(set2).__bits[__i]; \
- } while (0)
-
-#define SIGSETLO(set1, set2) ((set1).__bits[0] = (set2).__bits[0])
-#define SIGSETOLD(set, oset) ((set).__bits[0] = (oset))
-
-#define SIG_CANTMASK(set) \
- SIGDELSET(set, SIGKILL), SIGDELSET(set, SIGSTOP)
-
-#define SIG_STOPSIGMASK(set) \
- SIGDELSET(set, SIGSTOP), SIGDELSET(set, SIGTSTP), \
- SIGDELSET(set, SIGTTIN), SIGDELSET(set, SIGTTOU)
-
-#define SIG_CONTSIGMASK(set) \
- SIGDELSET(set, SIGCONT)
-
-#define sigcantmask (sigmask(SIGKILL) | sigmask(SIGSTOP))
-
-#define SIG2OSIG(sig, osig) (osig = (sig).__bits[0])
-#define OSIG2SIG(osig, sig) SIGEMPTYSET(sig); (sig).__bits[0] = osig
-
-static __inline int
-__sigisempty(sigset_t *set)
-{
- int i;
-
- for (i = 0; i < _SIG_WORDS; i++) {
- if (set->__bits[i])
- return (0);
- }
- return (1);
-}
-
-static __inline int
-__sigseteq(sigset_t *set1, sigset_t *set2)
-{
- int i;
-
- for (i = 0; i < _SIG_WORDS; i++) {
- if (set1->__bits[i] != set2->__bits[i])
- return (0);
- }
- return (1);
-}
-
-struct osigevent {
- int sigev_notify; /* Notification type */
- union {
- int __sigev_signo; /* Signal number */
- int __sigev_notify_kqueue;
- } __sigev_u;
- union sigval sigev_value; /* Signal value */
-};
-
-typedef struct ksiginfo {
- TAILQ_ENTRY(ksiginfo) ksi_link;
- siginfo_t ksi_info;
- int ksi_flags;
- struct sigqueue *ksi_sigq;
-} ksiginfo_t;
-
-#define ksi_signo ksi_info.si_signo
-#define ksi_errno ksi_info.si_errno
-#define ksi_code ksi_info.si_code
-#define ksi_pid ksi_info.si_pid
-#define ksi_uid ksi_info.si_uid
-#define ksi_status ksi_info.si_status
-#define ksi_addr ksi_info.si_addr
-#define ksi_value ksi_info.si_value
-#define ksi_band ksi_info.si_band
-#define ksi_trapno ksi_info.si_trapno
-#define ksi_overrun ksi_info.si_overrun
-#define ksi_timerid ksi_info.si_timerid
-#define ksi_mqd ksi_info.si_mqd
-
-/* bits for ksi_flags */
-#define KSI_TRAP 0x01 /* Generated by trap. */
-#define KSI_EXT 0x02 /* Externally managed ksi. */
-#define KSI_INS 0x04 /* Directly insert ksi, not the copy */
-#define KSI_SIGQ 0x08 /* Generated by sigqueue, might ret EGAIN. */
-#define KSI_HEAD 0x10 /* Insert into head, not tail. */
-#define KSI_COPYMASK (KSI_TRAP|KSI_SIGQ)
-
-#define KSI_ONQ(ksi) ((ksi)->ksi_sigq != NULL)
-
-typedef struct sigqueue {
- sigset_t sq_signals; /* All pending signals. */
- sigset_t sq_kill; /* Legacy depth 1 queue. */
- TAILQ_HEAD(, ksiginfo) sq_list;/* Queued signal info. */
- struct proc *sq_proc;
- int sq_flags;
-} sigqueue_t;
-
-/* Flags for ksi_flags */
-#define SQ_INIT 0x01
-
-#ifdef _KERNEL
-
-/* Return nonzero if process p has an unmasked pending signal. */
-#define SIGPENDING(td) \
- ((!SIGISEMPTY((td)->td_siglist) && \
- !sigsetmasked(&(td)->td_siglist, &(td)->td_sigmask)) || \
- (!SIGISEMPTY((td)->td_proc->p_siglist) && \
- !sigsetmasked(&(td)->td_proc->p_siglist, &(td)->td_sigmask)))
-/*
- * Return the value of the pseudo-expression ((*set & ~*mask) != 0). This
- * is an optimized version of SIGISEMPTY() on a temporary variable
- * containing SIGSETNAND(*set, *mask).
- */
-static __inline int
-sigsetmasked(sigset_t *set, sigset_t *mask)
-{
- int i;
-
- for (i = 0; i < _SIG_WORDS; i++) {
- if (set->__bits[i] & ~mask->__bits[i])
- return (0);
- }
- return (1);
-}
-
-#define ksiginfo_init(ksi) \
-do { \
- bzero(ksi, sizeof(ksiginfo_t)); \
-} while(0)
-
-#define ksiginfo_init_trap(ksi) \
-do { \
- ksiginfo_t *kp = ksi; \
- bzero(kp, sizeof(ksiginfo_t)); \
- kp->ksi_flags |= KSI_TRAP; \
-} while(0)
-
-static __inline void
-ksiginfo_copy(ksiginfo_t *src, ksiginfo_t *dst)
-{
- (dst)->ksi_info = src->ksi_info;
- (dst)->ksi_flags = (src->ksi_flags & KSI_COPYMASK);
-}
-
-struct pgrp;
-struct thread;
-struct proc;
-struct sigio;
-struct mtx;
-
-extern int sugid_coredump; /* Sysctl variable kern.sugid_coredump */
-extern struct mtx sigio_lock;
-extern int kern_logsigexit; /* Sysctl variable kern.logsigexit */
-
-/*
- * Lock the pointers for a sigio object in the underlying objects of
- * a file descriptor.
- */
-#define SIGIO_LOCK() mtx_lock(&sigio_lock)
-#define SIGIO_TRYLOCK() mtx_trylock(&sigio_lock)
-#define SIGIO_UNLOCK() mtx_unlock(&sigio_lock)
-#define SIGIO_LOCKED() mtx_owned(&sigio_lock)
-#define SIGIO_ASSERT(type) mtx_assert(&sigio_lock, type)
-
-/* stop_allowed parameter for cursig */
-#define SIG_STOP_ALLOWED 100
-#define SIG_STOP_NOT_ALLOWED 101
-
-/* flags for kern_sigprocmask */
-#define SIGPROCMASK_OLD 0x0001
-#define SIGPROCMASK_PROC_LOCKED 0x0002
-#define SIGPROCMASK_PS_LOCKED 0x0004
-
-/*
- * Machine-independent functions:
- */
-int cursig(struct thread *td, int stop_allowed);
-void execsigs(struct proc *p);
-void gsignal(int pgid, int sig, ksiginfo_t *ksi);
-void killproc(struct proc *p, char *why);
-void pksignal(struct proc *p, int sig, ksiginfo_t *ksi);
-void pgsigio(struct sigio **, int signum, int checkctty);
-void pgsignal(struct pgrp *pgrp, int sig, int checkctty, ksiginfo_t *ksi);
-int postsig(int sig);
-void psignal(struct proc *p, int sig);
-int psignal_event(struct proc *p, struct sigevent *, ksiginfo_t *);
-struct sigacts *sigacts_alloc(void);
-void sigacts_copy(struct sigacts *dest, struct sigacts *src);
-void sigacts_free(struct sigacts *ps);
-struct sigacts *sigacts_hold(struct sigacts *ps);
-int sigacts_shared(struct sigacts *ps);
-void sigexit(struct thread *td, int signum) __dead2;
-int sig_ffs(sigset_t *set);
-void siginit(struct proc *p);
-void signotify(struct thread *td);
-void tdksignal(struct thread *td, int sig, ksiginfo_t *ksi);
-void tdsigcleanup(struct thread *td);
-int tdsignal(struct proc *p, struct thread *td, int sig,
- ksiginfo_t *ksi);
-void trapsignal(struct thread *td, ksiginfo_t *);
-int ptracestop(struct thread *td, int sig);
-ksiginfo_t * ksiginfo_alloc(int);
-void ksiginfo_free(ksiginfo_t *);
-void sigqueue_init(struct sigqueue *queue, struct proc *p);
-void sigqueue_flush(struct sigqueue *queue);
-void sigqueue_delete_proc(struct proc *p, int sig);
-void sigqueue_delete(struct sigqueue *queue, int sig);
-void sigqueue_take(ksiginfo_t *ksi);
-int kern_sigtimedwait(struct thread *, sigset_t,
- ksiginfo_t *, struct timespec *);
-int kern_sigprocmask(struct thread *td, int how,
- sigset_t *set, sigset_t *oset, int flags);
-/*
- * Machine-dependent functions:
- */
-void sendsig(sig_t, ksiginfo_t *, sigset_t *retmask);
-
-#endif /* _KERNEL */
-
-#endif /* !_SYS_SIGNALVAR_HH_ */