diff options
Diffstat (limited to 'sys/sys/resourcevar.h')
| -rw-r--r-- | sys/sys/resourcevar.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/sys/sys/resourcevar.h b/sys/sys/resourcevar.h new file mode 100644 index 0000000..4200758 --- /dev/null +++ b/sys/sys/resourcevar.h @@ -0,0 +1,107 @@ +/* $OpenBSD: resourcevar.h,v 1.24 2019/06/21 09:39:48 visa Exp $ */ +/* $NetBSD: resourcevar.h,v 1.12 1995/11/22 23:01:53 cgd Exp $ */ + +/* + * 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. + * 3. 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. + * + * @(#)resourcevar.h 8.3 (Berkeley) 2/22/94 + */ + +#ifndef _SYS_RESOURCEVAR_H_ +#define _SYS_RESOURCEVAR_H_ + +#include <sys/timeout.h> + +/* + * Kernel shareable process resource limits. Because this structure + * is moderately large but changes infrequently, it is shared + * copy-on-write after forks. + */ +struct plimit { + struct rlimit pl_rlimit[RLIM_NLIMITS]; + u_int pl_refcnt; /* number of references */ +}; + +/* add user profiling from AST */ +#define ADDUPROF(p) \ +do { \ + atomic_clearbits_int(&(p)->p_flag, P_OWEUPC); \ + addupc_task((p), (p)->p_prof_addr, (p)->p_prof_ticks); \ + (p)->p_prof_ticks = 0; \ +} while (0) + +#ifdef _KERNEL + +#include <lib/libkern/libkern.h> /* for KASSERT() */ + +void addupc_intr(struct proc *, u_long); +void addupc_task(struct proc *, u_long, u_int); +void tuagg_unlocked(struct process *, struct proc *); +void tuagg(struct process *, struct proc *); +struct tusage; +void calctsru(struct tusage *, struct timespec *, struct timespec *, + struct timespec *); +void calcru(struct tusage *, struct timeval *, struct timeval *, + struct timeval *); +void lim_startup(struct plimit *); +void lim_free(struct plimit *); +void lim_fork(struct process *, struct process *); +struct plimit *lim_read_enter(void); + +/* + * Finish read access to resource limits. + */ +static inline void +lim_read_leave(struct plimit *limit) +{ + /* nothing */ +} + +/* + * Get the value of the resource limit in current process. + */ +static inline rlim_t +lim_cur(int which) +{ + struct plimit *limit; + rlim_t val; + + KASSERT(which >= 0 && which < RLIM_NLIMITS); + + limit = lim_read_enter(); + val = limit->pl_rlimit[which].rlim_cur; + lim_read_leave(limit); + return (val); +} + +rlim_t lim_cur_proc(struct proc *, int); + +void ruadd(struct rusage *, struct rusage *); +void rucheck(void *); +#endif +#endif /* !_SYS_RESOURCEVAR_H_ */ |