diff options
Diffstat (limited to 'sys/kern/posix4_mib.c')
| -rw-r--r-- | sys/kern/posix4_mib.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/sys/kern/posix4_mib.c b/sys/kern/posix4_mib.c new file mode 100644 index 0000000..e299787 --- /dev/null +++ b/sys/kern/posix4_mib.c @@ -0,0 +1,183 @@ +/*- + * 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("$FreeBSD$"); + +#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); + |
