X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/0c530ab8987f0ae6a1a3d9284f40182b88852816..cb3231590a3c94ab4375e2228bd5e86b0cf1ad7e:/bsd/conf/param.c diff --git a/bsd/conf/param.c b/bsd/conf/param.c index 2a4e0e347..687822177 100644 --- a/bsd/conf/param.c +++ b/bsd/conf/param.c @@ -1,23 +1,29 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2019 Apple Inc. All rights reserved. * - * @APPLE_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 Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * 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. + * + * 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. - * - * @APPLE_LICENSE_HEADER_END@ + * 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_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1980, 1986, 1989, 1993 @@ -59,7 +65,6 @@ * @(#)param.c 8.3 (Berkeley) 8/20/94 */ -#include #include #include #include @@ -71,53 +76,59 @@ #include #include #include -#include #include #include #include -struct timezone tz = { TIMEZONE, PST }; +struct timezone tz = { .tz_minuteswest = 0, .tz_dsttime = 0 }; + +#if CONFIG_EMBEDDED +#define NPROC 1000 /* Account for TOTAL_CORPSES_ALLOWED by making this slightly lower than we can. */ +#define NPROC_PER_UID 950 +#else +#define NPROC (20 + 32 * 32) +#define NPROC_PER_UID (NPROC/2) +#endif + +/* NOTE: maxproc and hard_maxproc values are subject to device specific scaling in bsd_scale_setup */ +#define HNPROC 2500 /* based on thread_max */ +int maxproc = NPROC; +int maxprocperuid = NPROC_PER_UID; + +#if CONFIG_EMBEDDED +int hard_maxproc = NPROC; /* hardcoded limit -- for embedded the number of processes is limited by the ASID space */ +#else +int hard_maxproc = HNPROC; /* hardcoded limit */ +#endif -#define NPROC (20 + 16 * MAXUSERS) -#define HNPROC 2500 /* based on thread_max */ -int maxproc = NPROC; -int maxprocperuid = NPROC/2; -__private_extern__ int hard_maxproc = HNPROC; /* hardcoded limit */ int nprocs = 0; /* XXX */ -#define NTEXT (80 + NPROC / 8) /* actually the object cache */ -#define NVNODE (NPROC + NTEXT + 300) -int desiredvnodes = NVNODE + 700; +//#define NTEXT (80 + NPROC / 8) /* actually the object cache */ +int desiredvnodes = 0; /* desiredvnodes is set explicitly in unix_startup.c */ +uint32_t kern_maxvnodes = 0; /* global, to be read from the device tree */ #define MAXFILES (OPEN_MAX + 2048) -int maxfiles = MAXFILES; +int maxfiles = MAXFILES; -unsigned int ncallout = 16 + 2*NPROC; -int nmbclusters = NMBCLUSTERS; -int nport = NPROC / 2; - -#define MAXSOCKETS NMBCLUSTERS -int maxsockets = MAXSOCKETS; +unsigned int ncallout = 16 + 2 * NPROC; +unsigned int nmbclusters = NMBCLUSTERS; +int nport = NPROC / 2; /* * async IO (aio) configurable limits */ -#define AIO_MAX 90 /* system wide limit of async IO requests */ -#define AIO_PROCESS_MAX AIO_LISTIO_MAX /* process limit of async IO requests */ -#define AIO_THREAD_COUNT 4 /* number of async IO worker threads created */ -int aio_max_requests = AIO_MAX; -int aio_max_requests_per_process = AIO_PROCESS_MAX; -int aio_worker_threads = AIO_THREAD_COUNT; +int aio_max_requests = CONFIG_AIO_MAX; +int aio_max_requests_per_process = CONFIG_AIO_PROCESS_MAX; +int aio_worker_threads = CONFIG_AIO_THREAD_COUNT; /* * These have to be allocated somewhere; allocating * them here forces loader errors if this file is omitted * (if they've been externed everywhere else; hah!). */ -struct callout *callout; -struct cblock *cfree; -struct cblock *cfreelist = 0; -int cfreecount = 0; -struct buf *buf; -struct domain *domains; - +struct callout *callout; +struct cblock *cfree; +struct cblock *cfreelist = NULL; +int cfreecount = 0; +struct buf *buf_headers; +struct domains_head domains = TAILQ_HEAD_INITIALIZER(domains);