/*
- * 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,
- * 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 */
/*
*/
#ifndef _SYS_RESOURCE_H_
-#define _SYS_RESOURCE_H_
+#define _SYS_RESOURCE_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>
- *
- * 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> */
-#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)
*/
-typedef __int64_t rlim_t;
+typedef __uint64_t rlim_t;
/*****
* 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().
*/
-#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 */
* 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
* 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.
*/
- 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
-#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 */
/*****
* 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.
*/
-#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 {
- 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
-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
-#endif /* !KERNEL */
-#endif /* !_SYS_RESOURCE_H_ */
+#endif /* !KERNEL */
+#endif /* !_SYS_RESOURCE_H_ */
projects / apple / xnu.git / blobdiff