Annotation of sys/dev/raidframe/rf_shutdown.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: rf_shutdown.c,v 1.5 2002/12/16 07:01:05 tdeval Exp $ */
! 2: /* $NetBSD: rf_shutdown.c,v 1.6 2000/01/13 23:41:18 oster Exp $ */
! 3:
! 4: /*
! 5: * rf_shutdown.c
! 6: */
! 7: /*
! 8: * Copyright (c) 1996 Carnegie-Mellon University.
! 9: * All rights reserved.
! 10: *
! 11: * Author: Jim Zelenka
! 12: *
! 13: * Permission to use, copy, modify and distribute this software and
! 14: * its documentation is hereby granted, provided that both the copyright
! 15: * notice and this permission notice appear in all copies of the
! 16: * software, derivative works or modified versions, and any portions
! 17: * thereof, and that both notices appear in supporting documentation.
! 18: *
! 19: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
! 20: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
! 21: * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
! 22: *
! 23: * Carnegie Mellon requests users of this software to return to
! 24: *
! 25: * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
! 26: * School of Computer Science
! 27: * Carnegie Mellon University
! 28: * Pittsburgh PA 15213-3890
! 29: *
! 30: * any improvements or extensions that they make and grant Carnegie the
! 31: * rights to redistribute these changes.
! 32: */
! 33: /*
! 34: * Maintain lists of cleanup functions. Also, mechanisms for coordinating
! 35: * thread startup and shutdown.
! 36: */
! 37:
! 38: #include "rf_types.h"
! 39: #include "rf_threadstuff.h"
! 40: #include "rf_shutdown.h"
! 41: #include "rf_debugMem.h"
! 42: #include "rf_freelist.h"
! 43:
! 44: void rf_FreeShutdownEnt(RF_ShutdownList_t *);
! 45: void
! 46: rf_FreeShutdownEnt(RF_ShutdownList_t *ent)
! 47: {
! 48: FREE(ent, M_RAIDFRAME);
! 49: }
! 50:
! 51: int
! 52: _rf_ShutdownCreate(RF_ShutdownList_t **listp, void (*cleanup) (void *arg),
! 53: void *arg, char *file, int line)
! 54: {
! 55: RF_ShutdownList_t *ent;
! 56:
! 57: /*
! 58: * Have to directly allocate memory here, since we start up before
! 59: * and shutdown after RAIDframe internal allocation system.
! 60: */
! 61: /* ent = (RF_ShutdownList_t *) malloc(sizeof(RF_ShutdownList_t),
! 62: * M_RAIDFRAME, M_WAITOK); */
! 63: ent = (RF_ShutdownList_t *) malloc(sizeof(RF_ShutdownList_t),
! 64: M_RAIDFRAME, M_NOWAIT);
! 65: if (ent == NULL)
! 66: return (ENOMEM);
! 67: ent->cleanup = cleanup;
! 68: ent->arg = arg;
! 69: ent->file = file;
! 70: ent->line = line;
! 71: ent->next = *listp;
! 72: *listp = ent;
! 73: return (0);
! 74: }
! 75:
! 76: int
! 77: rf_ShutdownList(RF_ShutdownList_t **list)
! 78: {
! 79: RF_ShutdownList_t *r, *next;
! 80: char *file;
! 81: int line;
! 82:
! 83: for (r = *list; r; r = next) {
! 84: next = r->next;
! 85: file = r->file;
! 86: line = r->line;
! 87:
! 88: if (rf_shutdownDebug) {
! 89: printf("call shutdown, created %s:%d\n", file, line);
! 90: }
! 91: r->cleanup(r->arg);
! 92:
! 93: if (rf_shutdownDebug) {
! 94: printf("completed shutdown, created %s:%d\n", file,
! 95: line);
! 96: }
! 97: rf_FreeShutdownEnt(r);
! 98: }
! 99: *list = NULL;
! 100: return (0);
! 101: }
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