X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/0b4e3aa066abc0728aacb4bbeb86f53f9737156e..89b3af67bb32e691275bf6fa803d1834b2284115:/bsd/sys/user.h diff --git a/bsd/sys/user.h b/bsd/sys/user.h index 066d3c8b4..636dac0e5 100644 --- a/bsd/sys/user.h +++ b/bsd/sys/user.h @@ -1,23 +1,29 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_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 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. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * 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. + * 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_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */ /* @@ -58,6 +64,7 @@ #ifndef _SYS_USER_H_ #define _SYS_USER_H_ +#include #ifndef KERNEL /* stuff that *used* to be included by user.h, or is now needed */ #include @@ -67,58 +74,61 @@ #include #endif #include +#ifdef KERNEL_PRIVATE #include +#endif #include /* XXX */ #include #ifdef KERNEL +#ifdef __APPLE_API_PRIVATE +#include + /* * Per-thread U area. - * - * It is likely that this structure contains no fields that must be - * saved between system calls. - * - * WARNING: IF THE SIZE OF THIS STRUCT CHANGES YOU MUST CHANGE THE - * CONSTANT IN struct thread_act.bsd_space */ struct uthread { - int *uu_ar0; /* address of users saved R0 */ - /* syscall parameters, results and catches */ - int 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 uu_rval[2]; /* thread exception handling */ + int uu_exception; int uu_code; /* ``code'' to trap */ - char uu_cursig; /* p_cursig for exc. */ - int uu_sig; /* p_sig for exc. */ - - /* support for syscalls which use continuations */ + int uu_subcode; + char uu_cursig; /* p_cursig for exc. */ + /* support for select - across system calls */ + struct _select { + u_int32_t *ibits, *obits; /* bits to select on */ + uint nbytes; /* number of bytes in ibits and obits */ + wait_queue_set_t wqset; /* cached across select calls */ + size_t allocsize; /* ...size of select cache */ + u_int64_t abstime; + int poll; + int error; + int count; + char * wql; + } uu_select; /* saved state for select() */ + /* to support continuations */ union { - struct _select { - u_int32_t *ibits, *obits; /* bits to select on */ - uint nbytes; /* number of bytes in ibits and obits */ - struct timeval atv; - int poll; - int error; - int count; - int nfcount; - char * wql; - int allocsize; /* select allocated size */ - } ss_select; /* saved state for select() */ - struct _wait { - int f; - } ss_wait; /* saved state for wait?() */ - struct _owait { - int pid; - int *status; - int options; - struct rusage *rusage; - } ss_owait; - int uu_nfs_myiod; /* saved state for nfsd */ + int uu_nfs_myiod; /* saved state for nfsd */ + struct _kevent_scan { + kevent_callback_t call; /* per-event callback */ + kevent_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() */ + struct _kevent { + struct _kevent_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 */ + user_addr_t eventlist; /* user-level event list address */ + int eventcount; /* user-level event count */ + int eventout; /* number of events output */ + } ss_kevent; /* saved state for kevent() */ } uu_state; - /* internal support for continuation framework */ int (*uu_continuation)(int); int uu_pri; @@ -126,10 +136,52 @@ struct uthread { int uu_flag; struct proc * uu_proc; void * uu_userstate; - wait_queue_sub_t uu_wqsub; + sigset_t uu_siglist; /* signals pending for the thread */ + sigset_t uu_sigwait; /* sigwait on this thread*/ + sigset_t uu_sigmask; /* signal mask for the thread */ + sigset_t uu_oldmask; /* signal mask saved before sigpause */ + thread_t uu_act; + sigset_t uu_vforkmask; /* saved signal mask during vfork */ + + TAILQ_ENTRY(uthread) uu_list; /* List of uthreads in proc */ + + 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_delay; + + struct ucred *uu_ucred; /* per thread credential */ + int uu_defer_reclaims; + vnode_t uu_vreclaims; + struct user_sigaltstack uu_sigstk; +#ifdef JOE_DEBUG + int uu_iocount; + int uu_vpindex; + void * uu_vps[32]; +#endif }; typedef struct uthread * uthread_t; + +/* Definition of uu_flag */ +#define UT_SAS_OLDMASK 0x00000001 /* need to restore mask before pause */ +#define UT_NO_SIGMASK 0x00000002 /* exited thread; invalid sigmask */ +#define UT_NOTCANCELPT 0x00000004 /* not a cancelation point */ +#define UT_CANCEL 0x00000008 /* thread marked for cancel */ +#define UT_CANCELED 0x00000010 /* thread cancelled */ +#define UT_CANCELDISABLE 0x00000020 /* thread cancel disabled */ +#define UT_ALTSTACK 0x00000040 /* this thread has alt stack for signals */ + +#define UT_VFORK 0x02000000 /* thread has vfork children */ +#define UT_SETUID 0x04000000 /* thread is settugid() */ +#define UT_WASSETUID 0x08000000 /* thread was settugid() (in vfork) */ + +#endif /* __APPLE_API_PRIVATE */ + #endif /* KERNEL */ /*