HCoop / hcoop / debian / openafs.git / blame
| Commit | Line | Data |
|---|---|---|
| 805e021f CE |
1 | /* |
| 2 | * Copyright 2000, International Business Machines Corporation and others. | |
| 3 | * All Rights Reserved. | |
| 4 | * | |
| 5 | * This software has been released under the terms of the IBM Public | |
| 6 | * License. For details, see the LICENSE file in the top-level source | |
| 7 | * directory or online at http://www.openafs.org/dl/license10.html | |
| 8 | */ | |
| 9 | ||
| 10 | /* | |
| 11 | * UKERNEL OSI header file. Extends afs_osi.h. | |
| 12 | * | |
| 13 | * afs_osi.h includes this file, which is the only way this file should | |
| 14 | * be included in a source file. This file can redefine macros declared in | |
| 15 | * afs_osi.h. | |
| 16 | */ | |
| 17 | ||
| 18 | #ifndef _OSI_MACHDEP_H_ | |
| 19 | #define _OSI_MACHDEP_H_ | |
| 20 | ||
| 21 | #include "afs/sysincludes.h" | |
| 22 | ||
| 23 | #define MAX_OSI_PATH 1024 | |
| 24 | #define MAX_OSI_FILES 1024 | |
| 25 | #define MAX_OSI_LINKS 25 | |
| 26 | #define OSI_WAITHASH_SIZE 128 /* must be power of two */ | |
| 27 | #define MAX_HOSTADDR 32 | |
| 28 | ||
| 29 | /* XXX | |
| 30 | * | |
| 31 | * UKERNEL cannot trivially make use of typedef for afs_ucred_t and | |
| 32 | * afs_proc_t, as in the present design, the types are already introduced | |
| 33 | * with incorrect reference, so fall back to preprocessor for now | |
| 34 | */ | |
| 35 | ||
| 36 | #define afs_ucred_t struct usr_ucred | |
| 37 | #define afs_proc_t struct usr_proc | |
| 38 | ||
| 39 | #define AFS_KALLOC(A) afs_osi_Alloc(A) | |
| 40 | ||
| 41 | /* | |
| 42 | * Time related macros | |
| 43 | */ | |
| 44 | #define afs_hz HZ | |
| 45 | #define osi_Time() (time(NULL)) | |
| 46 | ||
| 47 | #undef gop_lookupname | |
| 48 | #define gop_lookupname(fnamep,segflg,followlink,compvpp) lookupname((fnamep),(segflg),(followlink),(compvpp)) | |
| 49 | #undef gop_lookupname_user | |
| 50 | #define gop_lookupname_user(fnamep,segflg,followlink,compvpp) lookupname((fnamep),(segflg),(followlink),(compvpp)) | |
| 51 | ||
| 52 | #define osi_vnhold(avc, r) do { VN_HOLD(AFSTOV(avc)); } while(0) | |
| 53 | ||
| 54 | #if 0 | |
| 55 | #define afs_suser(x) suser(x) | |
| 56 | #endif | |
| 57 | /* | |
| 58 | * Global lock support. | |
| 59 | */ | |
| 60 | ||
| 61 | extern usr_thread_t afs_global_owner; | |
| 62 | extern usr_mutex_t afs_global_lock; | |
| 63 | ||
| 64 | #define ISAFS_GLOCK() (usr_thread_self() == afs_global_owner) | |
| 65 | ||
| 66 | #define AFS_GLOCK() \ | |
| 67 | do { \ | |
| 68 | usr_mutex_lock(&afs_global_lock); \ | |
| 69 | afs_global_owner = usr_thread_self(); \ | |
| 70 | } while(0) | |
| 71 | #define AFS_GUNLOCK() \ | |
| 72 | do { \ | |
| 73 | AFS_ASSERT_GLOCK(); \ | |
| 74 | memset(&afs_global_owner, 0, sizeof(usr_thread_t)); \ | |
| 75 | usr_mutex_unlock(&afs_global_lock); \ | |
| 76 | } while(0) | |
| 77 | #define AFS_ASSERT_GLOCK() \ | |
| 78 | do { if (!ISAFS_GLOCK()) { osi_Panic("afs global lock not held"); } } while(0) | |
| 79 | #define osi_GlockInit() \ | |
| 80 | usr_mutex_init(&afs_global_lock, "afs_global_lock", MUTEX_DEFAULT, NULL) | |
| 81 | ||
| 82 | extern int afs_bufferpages; | |
| 83 | ||
| 84 | extern int afs_suser(void *credp); | |
| 85 | ||
| 86 | #define setuerror(erval) get_user_struct()->u_error = (erval) | |
| 87 | #define getuerror(erval) get_user_struct()->u_error | |
| 88 | #define osi_curcred() get_user_struct()->u_cred | |
| 89 | ||
| 90 | #define osi_procname(procname, size) strncpy(procname, "(unknown)", size) | |
| 91 | #endif /* _OSI_MACHDEP_H_ */ |