/*
- * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2010 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#include <sys/ucred.h>
#include <sys/uio.h>
#endif
+#ifdef XNU_KERNEL_PRIVATE
#include <sys/resourcevar.h>
-#ifdef KERNEL_PRIVATE
#include <sys/signalvar.h>
#endif
#include <sys/vm.h> /* XXX */
#include <sys/sysctl.h>
-
+
+
#ifdef KERNEL
+#ifdef BSD_KERNEL_PRIVATE
+#include <sys/pthread_internal.h> /* for uu_kwe entry */
+#endif /* BSD_KERNEL_PRIVATE */
#ifdef __APPLE_API_PRIVATE
#include <sys/eventvar.h>
+#if !defined(__LP64__) || defined(XNU_KERNEL_PRIVATE)
/*
* VFS context structure (part of uthread)
*/
kauth_cred_t vc_ucred; /* per thread credential */
};
+#endif /* !__LP64 || XNU_KERNEL_PRIVATE */
+
+#ifdef BSD_KERNEL_PRIVATE
/* XXX Deprecated: xnu source compatability */
#define uu_ucred uu_context.vc_ucred
-#ifdef BSD_KERNEL_PRIVATE
+#define MAXTHREADNAMESIZE 64
/*
* Per-thread U area.
*/
struct uthread {
/* syscall parameters, results and catches */
- user_addr_t uu_arg[8]; /* arguments to current system call */
+ u_int64_t uu_arg[8]; /* arguments to current system call */
int *uu_ap; /* pointer to arglist */
int uu_rval[2];
int poll;
int error;
int count;
- int kfcount;
+ int _reserved1; // UNUSED: avoid changing size for now
char * wql;
} uu_select; /* saved state for select() */
/* to support kevent continuations */
union {
- struct _kevent_scan {
+ struct _kqueue_scan {
kevent_callback_t call; /* per-event callback */
- kevent_continue_t cont; /* whole call continuation */
+ kqueue_continue_t cont; /* whole call continuation */
uint64_t deadline; /* computed deadline for operation */
void *data; /* caller's private data */
- } ss_kevent_scan; /* saved state for kevent_scan() */
+ } ss_kqueue_scan; /* saved state for kevent_scan() */
struct _kevent {
- struct _kevent_scan scan;/* space for the generic data */
+ struct _kqueue_scan scan;/* space for the generic data */
struct fileproc *fp; /* fileproc we hold iocount on */
int fd; /* filedescriptor for kq */
- register_t *retval; /* place to store return val */
+ int32_t *retval; /* place to store return val */
user_addr_t eventlist; /* user-level event list address */
- size_t eventsize; /* user-level event size (LP64) */
+ size_t eventsize; /* kevent or kevent64_s */
int eventcount; /* user-level event count */
int eventout; /* number of events output */
} ss_kevent; /* saved state for kevent() */
caddr_t uu_wchan; /* sleeping thread wait channel */
const char *uu_wmesg; /* ... wait message */
int uu_flag;
+#if CONFIG_EMBEDDED
int uu_iopol_disk; /* disk I/O policy */
+#endif /* CONFIG_EMBEDDED */
struct proc * uu_proc;
void * uu_userstate;
wait_queue_set_t uu_wqset; /* cached across select calls */
TAILQ_ENTRY(uthread) uu_list; /* List of uthreads in proc */
- struct kaudit_record *uu_ar; /* audit record */
+ struct kaudit_record *uu_ar; /* audit record */
struct task* uu_aio_task; /* target task for async io */
-
- /* network support for dlil layer locking */
- u_int32_t dlil_incremented_read;
+
lck_mtx_t *uu_mtx;
- int uu_lowpri_window;
+ int uu_lowpri_window;
+ boolean_t uu_throttle_isssd;
+ boolean_t uu_throttle_bc;
+ void * uu_throttle_info; /* pointer to throttled I/Os info */
- struct user_sigaltstack uu_sigstk;
+ struct kern_sigaltstack uu_sigstk;
int uu_defer_reclaims;
vnode_t uu_vreclaims;
int uu_notrigger; /* XXX - flag for autofs */
int uu_iocount;
int uu_vpindex;
void * uu_vps[32];
+ void * uu_pcs[32][10];
#endif
#if CONFIG_DTRACE
+ siginfo_t t_dtrace_siginfo;
uint32_t t_dtrace_errno; /* Most recent errno */
- uint8_t t_dtrace_stop; /* indicates a DTrace-desired stop */
+ uint8_t t_dtrace_stop; /* indicates a DTrace desired stop */
uint8_t t_dtrace_sig; /* signal sent via DTrace's raise() */
+ uint64_t t_dtrace_resumepid; /* DTrace's pidresume() pid */
union __tdu {
struct __tds {
uint8_t _t_dtrace_reg; /* modified register */
#endif
} _tds;
- unsigned long _t_dtrace_ft; /* bitwise or of these flags */
+ u_int32_t _t_dtrace_ft; /* bitwise or of these flags */
} _tdu;
#define t_dtrace_ft _tdu._t_dtrace_ft
#define t_dtrace_on _tdu._tds._t_dtrace_on
#endif
#endif /* CONFIG_DTRACE */
void * uu_threadlist;
- mount_t v_mount;
+ char * pth_name;
+ struct ksyn_waitq_element uu_kwe; /* user for pthread synch */
};
typedef struct uthread * uthread_t;
#define UT_PASSIVE_IO 0x00000100 /* this thread issues passive I/O */
#define UT_PROCEXIT 0x00000200 /* this thread completed the proc exit */
#define UT_RAGE_VNODES 0x00000400 /* rapid age any vnodes created by this thread */
+#if CONFIG_EMBEDDED
#define UT_BACKGROUND 0x00000800 /* this thread is in background state */
+#endif /* !CONFIG_EMBEDDED */
+#define UT_BACKGROUND_TRAFFIC_MGT 0x00001000 /* background traffic is regulated */
#define UT_VFORK 0x02000000 /* thread has vfork children */
#define UT_SETUID 0x04000000 /* thread is settugid() */
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