xnu-4903.241.1.tar.gz

[apple/xnu.git] / bsd / sys / resourcevar.h

diff --git a/bsd/sys/resourcevar.h b/bsd/sys/resourcevar.h
index 95f4cf7eea6c8de7ab438e1748f2a57d23d54aaa..6a21d2b6db175bcf45b58c0bc45b0625c6c88407 100644 (file)
--- a/bsd/sys/resourcevar.h
+++ b/bsd/sys/resourcevar.h
@@ -1,14 +1,19 @@
 /*
  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * 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
@@ -18,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */
 /*
@@ -60,33 +65,29 @@
 #define        _SYS_RESOURCEVAR_H_
 
 #include <sys/appleapiopts.h>
+#include <sys/resource.h>
 
-#ifdef __APPLE_API_PRIVATE
 /*
  * Kernel per-process accounting / statistics
  * (not necessarily resident except when running).
  */
 struct pstats {
-#define        pstat_startzero p_ru
-       struct  rusage p_ru;            /* stats for this proc */
-       struct  rusage p_cru;           /* sum of stats for reaped children */
+       struct  rusage            p_ru;         /* stats for this proc */
+       struct  rusage            p_cru;        /* (PL) sum of stats for reaped children */
 
        struct uprof {                  /* profile arguments */
                struct uprof *pr_next;  /* multiple prof buffers allowed */
                caddr_t pr_base;        /* buffer base */
-               u_long  pr_size;        /* buffer size */
-               u_long  pr_off;         /* pc offset */
-               u_long  pr_scale;       /* pc scaling */
-               u_long  pr_addr;        /* temp storage for addr until AST */
-               u_long  pr_ticks;       /* temp storage for ticks until AST */
+               u_int32_t       pr_size;        /* buffer size */
+               u_int32_t       pr_off;         /* pc offset */
+               u_int32_t       pr_scale;       /* pc scaling */
+               u_int32_t       pr_addr;        /* temp storage for addr until AST */
+               u_int32_t       pr_ticks;       /* temp storage for ticks until AST */
        } p_prof;
-#define        pstat_endzero   pstat_startcopy
-
-#define        pstat_startcopy p_timer
-       struct  itimerval p_timer[3];   /* virtual-time timers */
-#define        pstat_endcopy   p_start
-       struct  timeval p_start;        /* starting time */
+       
+       uint64_t ps_start;              /* starting time ; compat only */
 #ifdef KERNEL
+       struct  rusage_info_child ri_child;     /* (PL) sum of additional stats for reaped children (proc_pid_rusage) */
        struct user_uprof {                         /* profile arguments */
                struct user_uprof *pr_next;  /* multiple prof buffers allowed */
                user_addr_t         pr_base;    /* buffer base */
@@ -107,11 +108,14 @@ struct pstats {
  * and a copy must be made for the child of a new fork that isn't
  * sharing modifications to the limits.
  */
+/* 
+ * Modifications are done with the list lock held (p_limit as well)and access indv 
+ * limits can be done without limit as we keep the old copy in p_olimit. Which is 
+ * dropped in proc_exit. This way all access will have a valid kernel address
+ */
 struct plimit {
        struct  rlimit pl_rlimit[RLIM_NLIMITS];
-#define        PL_SHAREMOD     0x01            /* modifications are shared */
-       int     p_lflags;
-       int     p_refcnt;               /* number of references */
+       int     pl_refcnt;              /* number of references */
 };
 
 #ifdef KERNEL
@@ -123,14 +127,19 @@ struct plimit {
                 (proc_is64bit((p)) ? (p)->p_stats->user_p_prof.pr_ticks \
                                    : (p)->p_stats->p_prof.pr_ticks))
 
-void    addupc_intr(struct proc *p, u_long pc, u_int ticks);
+void    addupc_intr(struct proc *p, uint32_t pc, u_int ticks);
 void    addupc_task(struct proc *p, user_addr_t pc, u_int ticks);
 void    calcru(struct proc *p, struct timeval *up, struct timeval *sp,
            struct timeval *ip);
 void    ruadd(struct rusage *ru, struct rusage *ru2);
-struct plimit *limcopy(struct plimit *lim);
+void    update_rusage_info_child(struct rusage_info_child *ru, rusage_info_current *ru_current);
+void proc_limitget(proc_t p, int whichi, struct rlimit * limp);
+void proc_limitdrop(proc_t p, int exiting);
+void proc_limitfork(proc_t parent, proc_t child);
+int proc_limitreplace(proc_t p);
+void proc_limitblock(proc_t);
+void proc_limitunblock(proc_t);
 #endif /* KERNEL */
 
-#endif /* __APPLE_API_PRIVATE */
 
 #endif /* !_SYS_RESOURCEVAR_H_ */