xnu-6153.11.26.tar.gz

[apple/xnu.git] / bsd / conf / param.c

diff --git a/bsd/conf/param.c b/bsd/conf/param.c
index 9aafb343c5c88cb8cf2cab7757f8977d2c32536e..6878221776718ee28dac88dccc113a61882a831a 100644 (file)
--- a/bsd/conf/param.c
+++ b/bsd/conf/param.c
@@ -1,8 +1,8 @@
 /*
- * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2019 Apple Inc. All rights reserved.
  *
  * @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
@@ -11,10 +11,10 @@
  * 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,
@@ -22,7 +22,7 @@
  * 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@
  */
 /*
@@ -65,7 +65,6 @@
  *     @(#)param.c     8.3 (Berkeley) 8/20/94
  */
 
-#include <confdep.h>
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/socket.h>
@@ -81,27 +80,39 @@
 #include <sys/shm_internal.h>
 #include <sys/aio_kern.h>
 
-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 */
-int    desiredvnodes = CONFIG_VNODES;
+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;
+unsigned int    ncallout = 16 + 2 * NPROC;
 unsigned int nmbclusters = NMBCLUSTERS;
-int    nport = NPROC / 2;
-
-#define MAXSOCKETS NMBCLUSTERS
-int    maxsockets = MAXSOCKETS;
+int     nport = NPROC / 2;
 
 /*
  *  async IO (aio) configurable limits
@@ -115,10 +126,9 @@ int aio_worker_threads = CONFIG_AIO_THREAD_COUNT;
  * 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 = NULL;
-int    cfreecount = 0;
-struct buf *buf_headers;
-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);