Current Path : /sys/kern/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/kern/posix4_mib.c |
/*- * Copyright (c) 1998 * HD Associates, Inc. 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by HD Associates, Inc * 4. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES 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 HD ASSOCIATES 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. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/kern/posix4_mib.c 224159 2011-07-17 23:05:24Z rwatson $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/queue.h> #include <sys/sysctl.h> #include <sys/vnode.h> #include <sys/proc.h> #include <sys/posix4.h> static int facility[CTL_P1003_1B_MAXID - 1]; static int facility_initialized[CTL_P1003_1B_MAXID - 1]; static int p31b_sysctl_proc(SYSCTL_HANDLER_ARGS); /* OID_AUTO isn't working with sysconf(3). I guess I'd have to * modify it to do a lookup by name from the index. * For now I've left it a top-level sysctl. */ #if 1 SYSCTL_DECL(_p1003_1b); #define P1B_SYSCTL(num, name) \ SYSCTL_INT(_p1003_1b, num, name, CTLFLAG_RD | CTLFLAG_CAPRD, \ facility + num - 1, 0, ""); #define P1B_SYSCTL_RW(num, name) \ SYSCTL_PROC(_p1003_1b, num, name, CTLTYPE_INT | CTLFLAG_RW, NULL, num, \ p31b_sysctl_proc, "I", ""); #else SYSCTL_DECL(_kern_p1003_1b); #define P1B_SYSCTL(num, name) \ SYSCTL_INT(_kern_p1003_1b, OID_AUTO, name, CTLFLAG_RD | CTLFLAG_CAPRD, \ facility + num - 1, 0, ""); #define P1B_SYSCTL_RW(num, name) \ SYSCTL_PROC(_p1003_1b, OID_AUTO, name, CTLTYPE_INT | CTLFLAG_RW, NULL, \ num, p31b_sysctl_proc, "I", ""); SYSCTL_NODE(_kern, OID_AUTO, p1003_1b, CTLFLAG_RW, 0, "P1003.1B"); #endif SYSCTL_INT(_p1003_1b, CTL_P1003_1B_ASYNCHRONOUS_IO, \ asynchronous_io, CTLFLAG_RD, &async_io_version, 0, ""); P1B_SYSCTL(CTL_P1003_1B_MAPPED_FILES, mapped_files); P1B_SYSCTL(CTL_P1003_1B_MEMLOCK, memlock); P1B_SYSCTL(CTL_P1003_1B_MEMLOCK_RANGE, memlock_range); P1B_SYSCTL(CTL_P1003_1B_MEMORY_PROTECTION, memory_protection); P1B_SYSCTL(CTL_P1003_1B_MESSAGE_PASSING, message_passing); P1B_SYSCTL(CTL_P1003_1B_PRIORITIZED_IO, prioritized_io); P1B_SYSCTL(CTL_P1003_1B_PRIORITY_SCHEDULING, priority_scheduling); P1B_SYSCTL(CTL_P1003_1B_REALTIME_SIGNALS, realtime_signals); P1B_SYSCTL(CTL_P1003_1B_SEMAPHORES, semaphores); P1B_SYSCTL(CTL_P1003_1B_FSYNC, fsync); P1B_SYSCTL(CTL_P1003_1B_SHARED_MEMORY_OBJECTS, shared_memory_objects); P1B_SYSCTL(CTL_P1003_1B_SYNCHRONIZED_IO, synchronized_io); P1B_SYSCTL(CTL_P1003_1B_TIMERS, timers); P1B_SYSCTL(CTL_P1003_1B_AIO_LISTIO_MAX, aio_listio_max); P1B_SYSCTL(CTL_P1003_1B_AIO_MAX, aio_max); P1B_SYSCTL(CTL_P1003_1B_AIO_PRIO_DELTA_MAX, aio_prio_delta_max); P1B_SYSCTL(CTL_P1003_1B_DELAYTIMER_MAX, delaytimer_max); P1B_SYSCTL(CTL_P1003_1B_MQ_OPEN_MAX, mq_open_max); P1B_SYSCTL(CTL_P1003_1B_PAGESIZE, pagesize); P1B_SYSCTL(CTL_P1003_1B_RTSIG_MAX, rtsig_max); P1B_SYSCTL_RW(CTL_P1003_1B_SEM_NSEMS_MAX, sem_nsems_max); P1B_SYSCTL(CTL_P1003_1B_SEM_VALUE_MAX, sem_value_max); P1B_SYSCTL(CTL_P1003_1B_SIGQUEUE_MAX, sigqueue_max); P1B_SYSCTL(CTL_P1003_1B_TIMER_MAX, timer_max); #define P31B_VALID(num) ((num) >= 1 && (num) < CTL_P1003_1B_MAXID) static int p31b_sysctl_proc(SYSCTL_HANDLER_ARGS) { int error, num, val; num = arg2; if (!P31B_VALID(num)) return (EINVAL); val = facility_initialized[num] ? facility[num - 1] : 0; error = sysctl_handle_int(oidp, &val, 0, req); if (error == 0 && req->newptr != NULL && facility_initialized[num]) facility[num - 1] = val; return (error); } /* p31b_setcfg: Set the configuration */ void p31b_setcfg(int num, int value) { if (P31B_VALID(num)) { facility[num - 1] = value; facility_initialized[num - 1] = 1; } } void p31b_unsetcfg(int num) { facility[num - 1] = 0; facility_initialized[num -1] = 0; } int p31b_getcfg(int num) { if (P31B_VALID(num)) return (facility[num - 1]); return (0); } int p31b_iscfg(int num) { if (P31B_VALID(num)) return (facility_initialized[num - 1]); return (0); } /* * Turn on indications for standard (non-configurable) kernel features. */ static void p31b_set_standard(void *dummy) { p31b_setcfg(CTL_P1003_1B_FSYNC, 200112L); p31b_setcfg(CTL_P1003_1B_MAPPED_FILES, 200112L); p31b_setcfg(CTL_P1003_1B_SHARED_MEMORY_OBJECTS, 200112L); p31b_setcfg(CTL_P1003_1B_PAGESIZE, PAGE_SIZE); if (!p31b_iscfg(CTL_P1003_1B_AIO_LISTIO_MAX)) p31b_setcfg(CTL_P1003_1B_AIO_LISTIO_MAX, -1); if (!p31b_iscfg(CTL_P1003_1B_AIO_MAX)) p31b_setcfg(CTL_P1003_1B_AIO_MAX, -1); if (!p31b_iscfg(CTL_P1003_1B_AIO_PRIO_DELTA_MAX)) p31b_setcfg(CTL_P1003_1B_AIO_PRIO_DELTA_MAX, -1); } SYSINIT(p31b_set_standard, SI_SUB_P1003_1B, SI_ORDER_ANY, p31b_set_standard, 0);