xnu-4903.270.47.tar.gz

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

diff --git a/bsd/sys/resource.h b/bsd/sys/resource.h
index 45b65fa5dc5964128c09c6c1c2024db699fa8e35..357768313cbb0bba7aa4ac9f21d2f9cbfb0c6ef2 100644 (file)
--- a/bsd/sys/resource.h
+++ b/bsd/sys/resource.h
@@ -1,23 +1,29 @@
 /*
 /*

- * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2018 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,
  * 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) 1995 NeXT Computer, Inc. All Rights Reserved */
 /*
  */
 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
 /*


@@ -56,38 +62,37 @@
  */
 
 #ifndef _SYS_RESOURCE_H_
  */
 
 #ifndef _SYS_RESOURCE_H_

-#define        _SYS_RESOURCE_H_
+#define _SYS_RESOURCE_H_

 
 #include <sys/appleapiopts.h>
 #include <sys/cdefs.h>
 #include <sys/_types.h>
 
 
 #include <sys/appleapiopts.h>
 #include <sys/cdefs.h>
 #include <sys/_types.h>
 

+#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+#include <stdint.h>
+#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
+
+#ifndef KERNEL
+#include <Availability.h>
+#endif

 
 /* [XSI] The timeval structure shall be defined as described in
  * <sys/time.h>
 
 /* [XSI] The timeval structure shall be defined as described in
  * <sys/time.h>

- *
- * NB: We use __darwin_time_t and __darwin_suseconds_t here to avoid
- * improperly exposing time_t and suseconds_t into the namespace.

  */
  */

-#ifndef _TIMEVAL
-#define _TIMEVAL
-struct timeval {
-       __darwin_time_t         tv_sec;         /* seconds */
-       __darwin_suseconds_t    tv_usec;        /* and microseconds */
-};
+#include <sys/_types/_timeval.h>
+#ifdef KERNEL
+#include <sys/_types/_user32_timeval.h>
+#include <sys/_types/_user64_timeval.h>

 #endif
 
 /* The id_t type shall be defined as described in <sys/types.h> */
 #endif
 
 /* The id_t type shall be defined as described in <sys/types.h> */

-#ifndef _ID_T
-#define _ID_T
-typedef __darwin_id_t  id_t;           /* can hold pid_t, gid_t, or uid_t */
-#endif
+#include <sys/_types/_id_t.h>

 
 
 /*
  * Resource limit type (low 63 bits, excluding the sign bit)
  */
 
 
 /*
  * Resource limit type (low 63 bits, excluding the sign bit)
  */

-typedef __int64_t      rlim_t;
+typedef __uint64_t      rlim_t;

 
 
 /*****
 
 
 /*****


@@ -98,17 +103,53 @@ typedef __int64_t  rlim_t;
  * Possible values of the first parameter to getpriority()/setpriority(),
  * used to indicate the type of the second parameter.
  */
  * Possible values of the first parameter to getpriority()/setpriority(),
  * used to indicate the type of the second parameter.
  */

-#define        PRIO_PROCESS    0               /* Second argument is a PID */
-#define        PRIO_PGRP       1               /* Second argument is a GID */
-#define        PRIO_USER       2               /* Second argument is a UID */
+#define PRIO_PROCESS    0               /* Second argument is a PID */
+#define PRIO_PGRP       1               /* Second argument is a GID */
+#define PRIO_USER       2               /* Second argument is a UID */
+
+#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+#define PRIO_DARWIN_THREAD      3               /* Second argument is always 0 (current thread) */
+#define PRIO_DARWIN_PROCESS     4               /* Second argument is a PID */
+
+#ifdef PRIVATE
+
+#define PRIO_DARWIN_GPU         5               /* Second argument is a PID */
+
+#define PRIO_DARWIN_GPU_ALLOW   0x1
+#define PRIO_DARWIN_GPU_DENY    0x2
+
+#define PRIO_DARWIN_ROLE        6               /* Second argument is a PID */
+
+#define PRIO_DARWIN_ROLE_DEFAULT        0x0     /* Reset to default state */
+#define PRIO_DARWIN_ROLE_UI_FOCAL       0x1     /* On  screen,     focal UI */
+#define PRIO_DARWIN_ROLE_UI             0x2     /* On  screen UI,  focal unknown */
+#define PRIO_DARWIN_ROLE_NON_UI         0x3     /* Off screen, non-focal UI */
+#define PRIO_DARWIN_ROLE_UI_NON_FOCAL   0x4     /* On  screen, non-focal UI */
+#define PRIO_DARWIN_ROLE_TAL_LAUNCH     0x5     /* Throttled-launch (for OS X TAL resume) */
+#define PRIO_DARWIN_ROLE_DARWIN_BG      0x6     /* Throttled for running in the background */
+
+#endif /* PRIVATE */

 
 

-#ifndef _POSIX_C_SOURCE

 /*
  * Range limitations for the value of the third parameter to setpriority().
  */
 /*
  * Range limitations for the value of the third parameter to setpriority().
  */

-#define        PRIO_MIN        -20
-#define        PRIO_MAX        20
-#endif /* !_POSIX_C_SOURCE */
+#define PRIO_MIN        -20
+#define PRIO_MAX        20
+
+/*
+ * use PRIO_DARWIN_BG to set the current thread into "background" state
+ * which lowers CPU, disk IO, and networking priorites until thread terminates
+ * or "background" state is revoked
+ */
+#define PRIO_DARWIN_BG 0x1000
+
+/*
+ * use PRIO_DARWIN_NONUI to restrict a process's ability to make calls to
+ * the GPU. (deprecated)
+ */
+#define PRIO_DARWIN_NONUI 0x1001
+
+#endif  /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */

 
 
 
 
 
 


@@ -120,8 +161,8 @@ typedef __int64_t   rlim_t;
  * Possible values of the first parameter to getrusage(), used to indicate
  * the scope of the information to be returned.
  */
  * Possible values of the first parameter to getrusage(), used to indicate
  * the scope of the information to be returned.
  */

-#define        RUSAGE_SELF     0               /* Current process information */
-#define        RUSAGE_CHILDREN -1              /* Current process' children */
+#define RUSAGE_SELF     0               /* Current process information */
+#define RUSAGE_CHILDREN -1              /* Current process' children */

 
 /*
  * A structure representing an accounting of resource utilization.  The
 
 /*
  * A structure representing an accounting of resource utilization.  The


@@ -132,71 +173,235 @@ typedef __int64_t        rlim_t;
  *       defined and subject to change in a future release.  Their use
  *       is discouraged for standards compliant programs.
  */
  *       defined and subject to change in a future release.  Their use
  *       is discouraged for standards compliant programs.
  */

-struct rusage {
-       struct timeval ru_utime;        /* user time used */
-       struct timeval ru_stime;        /* system time used */
-#ifdef _POSIX_C_SOURCE
-       long    ru_opaque[14];          /* implementation defined */
-#else  /* !_POSIX_C_SOURCE */
+struct  rusage {
+       struct timeval ru_utime;        /* user time used (PL) */
+       struct timeval ru_stime;        /* system time used (PL) */
+#if __DARWIN_C_LEVEL < __DARWIN_C_FULL
+       long    ru_opaque[14];          /* implementation defined */
+#else

        /*
         * Informational aliases for source compatibility with programs
         * that need more information than that provided by standards,
         * and which do not mind being OS-dependent.
         */
        /*
         * Informational aliases for source compatibility with programs
         * that need more information than that provided by standards,
         * and which do not mind being OS-dependent.
         */

-       long    ru_maxrss;              /* max resident set size */
-#define        ru_first        ru_ixrss        /* internal: ruadd() range start */
-       long    ru_ixrss;               /* integral shared memory size */
-       long    ru_idrss;               /* integral unshared data " */
-       long    ru_isrss;               /* integral unshared stack " */
-       long    ru_minflt;              /* page reclaims */
-       long    ru_majflt;              /* page faults */
-       long    ru_nswap;               /* swaps */
-       long    ru_inblock;             /* block input operations */
-       long    ru_oublock;             /* block output operations */
-       long    ru_msgsnd;              /* messages sent */
-       long    ru_msgrcv;              /* messages received */
-       long    ru_nsignals;            /* signals received */
-       long    ru_nvcsw;               /* voluntary context switches */
-       long    ru_nivcsw;              /* involuntary " */
-#define        ru_last         ru_nivcsw       /* internal: ruadd() range end */
-#endif /* !_POSIX_C_SOURCE */
+       long    ru_maxrss;              /* max resident set size (PL) */
+#define ru_first        ru_ixrss        /* internal: ruadd() range start */
+       long    ru_ixrss;               /* integral shared memory size (NU) */
+       long    ru_idrss;               /* integral unshared data (NU)  */
+       long    ru_isrss;               /* integral unshared stack (NU) */
+       long    ru_minflt;              /* page reclaims (NU) */
+       long    ru_majflt;              /* page faults (NU) */
+       long    ru_nswap;               /* swaps (NU) */
+       long    ru_inblock;             /* block input operations (atomic) */
+       long    ru_oublock;             /* block output operations (atomic) */
+       long    ru_msgsnd;              /* messages sent (atomic) */
+       long    ru_msgrcv;              /* messages received (atomic) */
+       long    ru_nsignals;            /* signals received (atomic) */
+       long    ru_nvcsw;               /* voluntary context switches (atomic) */
+       long    ru_nivcsw;              /* involuntary " */
+#define ru_last         ru_nivcsw       /* internal: ruadd() range end */
+#endif  /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */

 };
 
 };
 

+#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+/*
+ * Flavors for proc_pid_rusage().
+ */
+#define RUSAGE_INFO_V0  0
+#define RUSAGE_INFO_V1  1
+#define RUSAGE_INFO_V2  2
+#define RUSAGE_INFO_V3  3
+#define RUSAGE_INFO_V4  4
+#define RUSAGE_INFO_CURRENT     RUSAGE_INFO_V4

 
 

+typedef void *rusage_info_t;
+
+struct rusage_info_v0 {
+       uint8_t  ri_uuid[16];
+       uint64_t ri_user_time;
+       uint64_t ri_system_time;
+       uint64_t ri_pkg_idle_wkups;
+       uint64_t ri_interrupt_wkups;
+       uint64_t ri_pageins;
+       uint64_t ri_wired_size;
+       uint64_t ri_resident_size;
+       uint64_t ri_phys_footprint;
+       uint64_t ri_proc_start_abstime;
+       uint64_t ri_proc_exit_abstime;
+};
+
+struct rusage_info_v1 {
+       uint8_t  ri_uuid[16];
+       uint64_t ri_user_time;
+       uint64_t ri_system_time;
+       uint64_t ri_pkg_idle_wkups;
+       uint64_t ri_interrupt_wkups;
+       uint64_t ri_pageins;
+       uint64_t ri_wired_size;
+       uint64_t ri_resident_size;
+       uint64_t ri_phys_footprint;
+       uint64_t ri_proc_start_abstime;
+       uint64_t ri_proc_exit_abstime;
+       uint64_t ri_child_user_time;
+       uint64_t ri_child_system_time;
+       uint64_t ri_child_pkg_idle_wkups;
+       uint64_t ri_child_interrupt_wkups;
+       uint64_t ri_child_pageins;
+       uint64_t ri_child_elapsed_abstime;
+};
+
+struct rusage_info_v2 {
+       uint8_t  ri_uuid[16];
+       uint64_t ri_user_time;
+       uint64_t ri_system_time;
+       uint64_t ri_pkg_idle_wkups;
+       uint64_t ri_interrupt_wkups;
+       uint64_t ri_pageins;
+       uint64_t ri_wired_size;
+       uint64_t ri_resident_size;
+       uint64_t ri_phys_footprint;
+       uint64_t ri_proc_start_abstime;
+       uint64_t ri_proc_exit_abstime;
+       uint64_t ri_child_user_time;
+       uint64_t ri_child_system_time;
+       uint64_t ri_child_pkg_idle_wkups;
+       uint64_t ri_child_interrupt_wkups;
+       uint64_t ri_child_pageins;
+       uint64_t ri_child_elapsed_abstime;
+       uint64_t ri_diskio_bytesread;
+       uint64_t ri_diskio_byteswritten;
+};
+
+struct rusage_info_v3 {
+       uint8_t  ri_uuid[16];
+       uint64_t ri_user_time;
+       uint64_t ri_system_time;
+       uint64_t ri_pkg_idle_wkups;
+       uint64_t ri_interrupt_wkups;
+       uint64_t ri_pageins;
+       uint64_t ri_wired_size;
+       uint64_t ri_resident_size;
+       uint64_t ri_phys_footprint;
+       uint64_t ri_proc_start_abstime;
+       uint64_t ri_proc_exit_abstime;
+       uint64_t ri_child_user_time;
+       uint64_t ri_child_system_time;
+       uint64_t ri_child_pkg_idle_wkups;
+       uint64_t ri_child_interrupt_wkups;
+       uint64_t ri_child_pageins;
+       uint64_t ri_child_elapsed_abstime;
+       uint64_t ri_diskio_bytesread;
+       uint64_t ri_diskio_byteswritten;
+       uint64_t ri_cpu_time_qos_default;
+       uint64_t ri_cpu_time_qos_maintenance;
+       uint64_t ri_cpu_time_qos_background;
+       uint64_t ri_cpu_time_qos_utility;
+       uint64_t ri_cpu_time_qos_legacy;
+       uint64_t ri_cpu_time_qos_user_initiated;
+       uint64_t ri_cpu_time_qos_user_interactive;
+       uint64_t ri_billed_system_time;
+       uint64_t ri_serviced_system_time;
+};
+
+struct rusage_info_v4 {
+       uint8_t  ri_uuid[16];
+       uint64_t ri_user_time;
+       uint64_t ri_system_time;
+       uint64_t ri_pkg_idle_wkups;
+       uint64_t ri_interrupt_wkups;
+       uint64_t ri_pageins;
+       uint64_t ri_wired_size;
+       uint64_t ri_resident_size;
+       uint64_t ri_phys_footprint;
+       uint64_t ri_proc_start_abstime;
+       uint64_t ri_proc_exit_abstime;
+       uint64_t ri_child_user_time;
+       uint64_t ri_child_system_time;
+       uint64_t ri_child_pkg_idle_wkups;
+       uint64_t ri_child_interrupt_wkups;
+       uint64_t ri_child_pageins;
+       uint64_t ri_child_elapsed_abstime;
+       uint64_t ri_diskio_bytesread;
+       uint64_t ri_diskio_byteswritten;
+       uint64_t ri_cpu_time_qos_default;
+       uint64_t ri_cpu_time_qos_maintenance;
+       uint64_t ri_cpu_time_qos_background;
+       uint64_t ri_cpu_time_qos_utility;
+       uint64_t ri_cpu_time_qos_legacy;
+       uint64_t ri_cpu_time_qos_user_initiated;
+       uint64_t ri_cpu_time_qos_user_interactive;
+       uint64_t ri_billed_system_time;
+       uint64_t ri_serviced_system_time;
+       uint64_t ri_logical_writes;
+       uint64_t ri_lifetime_max_phys_footprint;
+       uint64_t ri_instructions;
+       uint64_t ri_cycles;
+       uint64_t ri_billed_energy;
+       uint64_t ri_serviced_energy;
+       uint64_t ri_interval_max_phys_footprint;
+       // 1 reserve counter(s) remaining for future extension
+       uint64_t ri_unused[1];
+};
+
+typedef struct rusage_info_v4 rusage_info_current;
+
+#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */

 
 

-// LP64todo - should this move?

 #ifdef KERNEL
 #ifdef KERNEL

-#include <machine/types.h>     /* user_time_t */

 
 

-/* LP64 version of struct timeval.  time_t is a long and must grow when 
- * we're dealing with a 64-bit process.
- * WARNING - keep in sync with struct timeval
- */
+struct rusage_superset {
+       struct rusage                   ru;
+       rusage_info_current     ri;
+};

 
 

-struct user_rusage_timeval {
-       user_time_t             tv_sec;         /* seconds */
-       __darwin_suseconds_t    tv_usec __attribute((aligned(8)));      /* and microseconds */
-};     
-struct user_rusage {
-       struct user_rusage_timeval ru_utime;    /* user time used */
-       struct user_rusage_timeval ru_stime;    /* system time used */
-       user_long_t     ru_maxrss;              /* max resident set size */
-       user_long_t     ru_ixrss;               /* integral shared memory size */
-       user_long_t     ru_idrss;               /* integral unshared data " */
-       user_long_t     ru_isrss;               /* integral unshared stack " */
-       user_long_t     ru_minflt;              /* page reclaims */
-       user_long_t     ru_majflt;              /* page faults */
-       user_long_t     ru_nswap;               /* swaps */
-       user_long_t     ru_inblock;             /* block input operations */
-       user_long_t     ru_oublock;             /* block output operations */
-       user_long_t     ru_msgsnd;              /* messages sent */
-       user_long_t     ru_msgrcv;              /* messages received */
-       user_long_t     ru_nsignals;    /* signals received */
-       user_long_t     ru_nvcsw;               /* voluntary context switches */
-       user_long_t     ru_nivcsw;              /* involuntary " */
+struct rusage_info_child {
+       uint64_t ri_child_user_time;
+       uint64_t ri_child_system_time;
+       uint64_t ri_child_pkg_idle_wkups;
+       uint64_t ri_child_interrupt_wkups;
+       uint64_t ri_child_pageins;
+       uint64_t ri_child_elapsed_abstime;

 };
 
 };
 

-#endif // KERNEL
+struct  user64_rusage {
+       struct user64_timeval ru_utime; /* user time used */
+       struct user64_timeval ru_stime; /* system time used */
+       user64_long_t   ru_maxrss;              /* max resident set size */
+       user64_long_t   ru_ixrss;               /* integral shared memory size */
+       user64_long_t   ru_idrss;               /* integral unshared data " */
+       user64_long_t   ru_isrss;               /* integral unshared stack " */
+       user64_long_t   ru_minflt;              /* page reclaims */
+       user64_long_t   ru_majflt;              /* page faults */
+       user64_long_t   ru_nswap;               /* swaps */
+       user64_long_t   ru_inblock;             /* block input operations */
+       user64_long_t   ru_oublock;             /* block output operations */
+       user64_long_t   ru_msgsnd;              /* messages sent */
+       user64_long_t   ru_msgrcv;              /* messages received */
+       user64_long_t   ru_nsignals;    /* signals received */
+       user64_long_t   ru_nvcsw;               /* voluntary context switches */
+       user64_long_t   ru_nivcsw;              /* involuntary " */
+};
+
+struct  user32_rusage {
+       struct user32_timeval ru_utime; /* user time used */
+       struct user32_timeval ru_stime; /* system time used */
+       user32_long_t   ru_maxrss;              /* max resident set size */
+       user32_long_t   ru_ixrss;               /* integral shared memory size */
+       user32_long_t   ru_idrss;               /* integral unshared data " */
+       user32_long_t   ru_isrss;               /* integral unshared stack " */
+       user32_long_t   ru_minflt;              /* page reclaims */
+       user32_long_t   ru_majflt;              /* page faults */
+       user32_long_t   ru_nswap;               /* swaps */
+       user32_long_t   ru_inblock;             /* block input operations */
+       user32_long_t   ru_oublock;             /* block output operations */
+       user32_long_t   ru_msgsnd;              /* messages sent */
+       user32_long_t   ru_msgrcv;              /* messages received */
+       user32_long_t   ru_nsignals;    /* signals received */
+       user32_long_t   ru_nvcsw;               /* voluntary context switches */
+       user32_long_t   ru_nivcsw;              /* involuntary " */
+};
+
+#endif /* KERNEL */

 
 
 /*****
 
 
 /*****


@@ -208,49 +413,156 @@ struct   user_rusage {
  * as a type rlim_t, we are permitted to define RLIM_SAVED_* in terms of
  * RLIM_INFINITY.
  */
  * as a type rlim_t, we are permitted to define RLIM_SAVED_* in terms of
  * RLIM_INFINITY.
  */

-#define        RLIM_INFINITY   (((__uint64_t)1 << 63) - 1)     /* no limit */
-#define        RLIM_SAVED_MAX  RLIM_INFINITY   /* Unrepresentable hard limit */
-#define        RLIM_SAVED_CUR  RLIM_INFINITY   /* Unrepresentable soft limit */
+#define RLIM_INFINITY   (((__uint64_t)1 << 63) - 1)     /* no limit */
+#define RLIM_SAVED_MAX  RLIM_INFINITY   /* Unrepresentable hard limit */
+#define RLIM_SAVED_CUR  RLIM_INFINITY   /* Unrepresentable soft limit */

 
 /*
  * Possible values of the first parameter to getrlimit()/setrlimit(), to
  * indicate for which resource the operation is being performed.
  */
 
 /*
  * Possible values of the first parameter to getrlimit()/setrlimit(), to
  * indicate for which resource the operation is being performed.
  */

-#define        RLIMIT_CPU      0               /* cpu time per process, in ms */
-#define        RLIMIT_FSIZE    1               /* file size */
-#define        RLIMIT_DATA     2               /* data segment size */
-#define        RLIMIT_STACK    3               /* stack size */
-#define        RLIMIT_CORE     4               /* core file size */
-#define        RLIMIT_AS       5               /* address space (resident set size) */
-#ifndef _POSIX_C_SOURCE
-#define        RLIMIT_RSS      RLIMIT_AS       /* source compatibility alias */
-#define        RLIMIT_MEMLOCK  6               /* locked-in-memory address space */
-#define        RLIMIT_NPROC    7               /* number of processes */
-#endif /* !_POSIX_C_SOURCE */
-#define        RLIMIT_NOFILE   8               /* number of open files */
-#ifndef _POSIX_C_SOURCE
-#define        RLIM_NLIMITS    9               /* total number of resource limits */
-#endif /* !_POSIX_C_SOURCE */
+#define RLIMIT_CPU      0               /* cpu time per process */
+#define RLIMIT_FSIZE    1               /* file size */
+#define RLIMIT_DATA     2               /* data segment size */
+#define RLIMIT_STACK    3               /* stack size */
+#define RLIMIT_CORE     4               /* core file size */
+#define RLIMIT_AS       5               /* address space (resident set size) */
+#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+#define RLIMIT_RSS      RLIMIT_AS       /* source compatibility alias */
+#define RLIMIT_MEMLOCK  6               /* locked-in-memory address space */
+#define RLIMIT_NPROC    7               /* number of processes */
+#endif  /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
+#define RLIMIT_NOFILE   8               /* number of open files */
+#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+#define RLIM_NLIMITS    9               /* total number of resource limits */
+#endif  /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
+#define _RLIMIT_POSIX_FLAG      0x1000  /* Set bit for strict POSIX */

 
 /*
  * A structure representing a resource limit.  The address of an instance
  * of this structure is the second parameter to getrlimit()/setrlimit().
  */
 struct rlimit {
 
 /*
  * A structure representing a resource limit.  The address of an instance
  * of this structure is the second parameter to getrlimit()/setrlimit().
  */
 struct rlimit {

-       rlim_t  rlim_cur;               /* current (soft) limit */
-       rlim_t  rlim_max;               /* maximum value for rlim_cur */
+       rlim_t  rlim_cur;               /* current (soft) limit */
+       rlim_t  rlim_max;               /* maximum value for rlim_cur */
+};
+
+#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+/*
+ * proc_rlimit_control()
+ *
+ * Resource limit flavors
+ */
+#define RLIMIT_WAKEUPS_MONITOR          0x1 /* Configure the wakeups monitor. */
+#define RLIMIT_CPU_USAGE_MONITOR        0x2 /* Configure the CPU usage monitor. */
+#define RLIMIT_THREAD_CPULIMITS         0x3 /* Configure a blocking, per-thread, CPU limits. */
+#define RLIMIT_FOOTPRINT_INTERVAL       0x4 /* Configure memory footprint interval tracking */
+
+/*
+ * Flags for wakeups monitor control.
+ */
+#define WAKEMON_ENABLE                  0x01
+#define WAKEMON_DISABLE                 0x02
+#define WAKEMON_GET_PARAMS              0x04
+#define WAKEMON_SET_DEFAULTS            0x08
+#define WAKEMON_MAKE_FATAL              0x10 /* Configure the task so that violations are fatal. */
+
+/*
+ * Flags for CPU usage monitor control.
+ */
+#define CPUMON_MAKE_FATAL               0x1000
+
+/*
+ * Flags for memory footprint interval tracking.
+ */
+#define FOOTPRINT_INTERVAL_RESET        0x1 /* Reset the footprint interval counter to zero */
+
+struct proc_rlimit_control_wakeupmon {
+       uint32_t wm_flags;
+       int32_t wm_rate;
+};
+
+#if PRIVATE
+/*
+ * Flags for I/O monitor control.
+ */
+#define IOMON_ENABLE                    0x01
+#define IOMON_DISABLE                   0x02
+
+#endif /* PRIVATE */
+
+
+/* I/O type */
+#define IOPOL_TYPE_DISK 0
+#if PRIVATE
+#define IOPOL_TYPE_VFS_HFS_CASE_SENSITIVITY 1
+#endif
+#define IOPOL_TYPE_VFS_ATIME_UPDATES 2
+
+/* scope */
+#define IOPOL_SCOPE_PROCESS   0
+#define IOPOL_SCOPE_THREAD    1
+#define IOPOL_SCOPE_DARWIN_BG 2
+
+/* I/O Priority */
+#define IOPOL_DEFAULT           0
+#define IOPOL_IMPORTANT         1
+#define IOPOL_PASSIVE           2
+#define IOPOL_THROTTLE          3
+#define IOPOL_UTILITY           4
+#define IOPOL_STANDARD          5
+
+/* compatibility with older names */
+#define IOPOL_APPLICATION       IOPOL_STANDARD
+#define IOPOL_NORMAL            IOPOL_IMPORTANT
+
+#if PRIVATE
+#define IOPOL_VFS_HFS_CASE_SENSITIVITY_DEFAULT  0
+#define IOPOL_VFS_HFS_CASE_SENSITIVITY_FORCE_CASE_SENSITIVE     1
+#endif
+
+#define IOPOL_ATIME_UPDATES_DEFAULT     0
+#define IOPOL_ATIME_UPDATES_OFF         1
+
+#ifdef PRIVATE
+/*
+ * Structures for use in communicating via iopolicysys() between Libc and the
+ * kernel.  Not to be used by user programs directly.
+ */
+
+/*
+ * the command to iopolicysys()
+ */
+#define IOPOL_CMD_GET           0x00000001      /* Get I/O policy */
+#define IOPOL_CMD_SET           0x00000002      /* Set I/O policy */
+
+/*
+ * Second parameter to iopolicysys()
+ */
+struct _iopol_param_t {
+       int iop_scope;  /* current process or a thread */
+       int iop_iotype;
+       int iop_policy;

 };
 
 };
 

+#endif  /* PRIVATE */
+#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */

 
 #ifndef KERNEL
 
 __BEGIN_DECLS
 
 #ifndef KERNEL
 
 __BEGIN_DECLS

-int    getpriority(int, id_t);
-int    getrlimit(int, struct rlimit *);
-int    getrusage(int, struct rusage *);
-int    setpriority(int, id_t, int);
-int    setrlimit(int, const struct rlimit *);
+int     getpriority(int, id_t);
+#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+int     getiopolicy_np(int, int) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
+int     getrlimit(int, struct rlimit *) __DARWIN_ALIAS(getrlimit);
+int     getrusage(int, struct rusage *);
+int     setpriority(int, id_t, int);
+#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+int     setiopolicy_np(int, int, int) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
+int     setrlimit(int, const struct rlimit *) __DARWIN_ALIAS(setrlimit);

 __END_DECLS
 
 __END_DECLS
 

-#endif /* !KERNEL */
-#endif /* !_SYS_RESOURCE_H_ */
+#endif  /* !KERNEL */
+#endif  /* !_SYS_RESOURCE_H_ */