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 | /* trheadname.c */ | |
| 12 | /* */ | |
| 13 | /* Author: Hartmut Reuter */ | |
| 14 | /* reuter@rzg.mpg.de */ | |
| 15 | /* Date: 01/12/00 */ | |
| 16 | /* */ | |
| 17 | /* Function - These routiens implement thread names for the */ | |
| 18 | /* logging from the servers */ | |
| 19 | /* */ | |
| 20 | /* ********************************************************************** */ | |
| 21 | ||
| 22 | #include <afsconfig.h> | |
| 23 | #include <afs/param.h> | |
| 24 | ||
| 25 | #include <roken.h> | |
| 26 | ||
| 27 | #if defined(AFS_PTHREAD_ENV) | |
| 28 | #include <pthread.h> | |
| 29 | #else /* defined(AFS_PTHREAD_ENV) */ | |
| 30 | #include "lwp.h" | |
| 31 | #endif /* defined(AFS_PTHREAD_ENV) */ | |
| 32 | ||
| 33 | #define MAX_THREADS 128 | |
| 34 | #define MAXTHREADNAMELENGTH 64 | |
| 35 | int nThreads = 0; | |
| 36 | #if defined(AFS_PTHREAD_ENV) | |
| 37 | pthread_t ThreadId[MAX_THREADS]; | |
| 38 | #else /* defined(AFS_PTHREAD_ENV) */ | |
| 39 | PROCESS ThreadId[MAX_THREADS]; | |
| 40 | #endif /* defined(AFS_PTHREAD_ENV) */ | |
| 41 | char ThreadName[MAX_THREADS][MAXTHREADNAMELENGTH]; | |
| 42 | ||
| 43 | char * | |
| 44 | threadname(void) | |
| 45 | { | |
| 46 | int i; | |
| 47 | static char MainThread[] = "main"; | |
| 48 | char *ptr; | |
| 49 | char *p; | |
| 50 | #ifdef AFS_PTHREAD_ENV | |
| 51 | pthread_t me; | |
| 52 | #else /* AFS_PTHREAD_ENV */ | |
| 53 | PROCESS me; | |
| 54 | #endif /* AFS_PTHREAD_ENV */ | |
| 55 | ||
| 56 | #ifdef AFS_PTHREAD_ENV | |
| 57 | me = pthread_self(); | |
| 58 | #else /* AFS_PTHREAD_ENV */ | |
| 59 | me = (PROCESS) LWP_ThreadId(); | |
| 60 | #endif /* AFS_PTHREAD_ENV */ | |
| 61 | ptr = &MainThread[0]; | |
| 62 | for (i = 0; i < nThreads; i++) { | |
| 63 | if (ThreadId[i] == me) { | |
| 64 | ptr = &ThreadName[i][0]; | |
| 65 | break; | |
| 66 | } | |
| 67 | } | |
| 68 | p = ptr; | |
| 69 | return p; | |
| 70 | } | |
| 71 | ||
| 72 | int | |
| 73 | registerthread( | |
| 74 | #ifdef AFS_PTHREAD_ENV | |
| 75 | pthread_t id, | |
| 76 | #else /* AFS_PTHREAD_ENV */ | |
| 77 | PROCESS id, | |
| 78 | #endif /* AFS_PTHREAD_ENV */ | |
| 79 | char *name) | |
| 80 | { | |
| 81 | int i; | |
| 82 | ||
| 83 | for (i = 0; i < nThreads; i++) { | |
| 84 | if (ThreadId[i] == id) { | |
| 85 | strncpy(&ThreadName[i][0], name, MAXTHREADNAMELENGTH); | |
| 86 | return 0; | |
| 87 | } | |
| 88 | } | |
| 89 | if (nThreads == MAX_THREADS) | |
| 90 | return 0; | |
| 91 | ThreadId[nThreads] = id; | |
| 92 | strncpy(&ThreadName[nThreads][0], name, MAXTHREADNAMELENGTH); | |
| 93 | ThreadName[nThreads][MAXTHREADNAMELENGTH - 1] = 0; | |
| 94 | nThreads++; | |
| 95 | ||
| 96 | return 0; | |
| 97 | } | |
| 98 | ||
| 99 | int | |
| 100 | swapthreadname( | |
| 101 | #ifdef AFS_PTHREAD_ENV | |
| 102 | pthread_t id, | |
| 103 | #else /* AFS_PTHREAD_ENV */ | |
| 104 | PROCESS id, | |
| 105 | #endif /* AFS_PTHREAD_ENV */ | |
| 106 | char *new, char *old) | |
| 107 | { | |
| 108 | int i; | |
| 109 | ||
| 110 | for (i = 0; i < nThreads; i++) { | |
| 111 | if (ThreadId[i] == id) { | |
| 112 | if (old) | |
| 113 | strncpy(old, &ThreadName[i][0], MAXTHREADNAMELENGTH); | |
| 114 | strncpy(&ThreadName[i][0], new, MAXTHREADNAMELENGTH); | |
| 115 | return 0; | |
| 116 | } | |
| 117 | } | |
| 118 | return 1; | |
| 119 | } |