Annotation of src/usr.bin/cvs/worklist.c, Revision 1.1
1.1 ! joris 1: /* $OpenBSD$ */
! 2: /*
! 3: * Copyright (c) 2006 Joris Vink <joris@openbsd.org>
! 4: * All rights reserved.
! 5: *
! 6: * Redistribution and use in source and binary forms, with or without
! 7: * modification, are permitted provided that the following conditions
! 8: * are met:
! 9: *
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: * 2. The name of the author may not be used to endorse or promote products
! 13: * derived from this software without specific prior written permission.
! 14: *
! 15: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
! 16: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
! 17: * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
! 18: * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
! 19: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
! 20: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
! 21: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
! 22: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
! 23: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
! 24: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 25: */
! 26:
! 27: #include "includes.h"
! 28:
! 29: #include "log.h"
! 30: #include "worklist.h"
! 31: #include "xmalloc.h"
! 32:
! 33: /*
! 34: * adds an path to a worklist.
! 35: */
! 36: void
! 37: cvs_worklist_add(const char *path, struct cvs_wklhead *worklist)
! 38: {
! 39: size_t len;
! 40: struct cvs_worklist *wkl;
! 41: sigset_t old, new;
! 42:
! 43: wkl = (struct cvs_worklist *)xmalloc(sizeof(*wkl));
! 44: memset(wkl, 0, sizeof(*wkl));
! 45:
! 46: len = strlcpy(wkl->wkl_path, path, sizeof(wkl->wkl_path));
! 47: if (len >= sizeof(wkl->wkl_path))
! 48: fatal("path truncation in cvs_worklist_add");
! 49:
! 50: sigfillset(&new);
! 51: sigprocmask(SIG_BLOCK, &new, &old);
! 52: SLIST_INSERT_HEAD(worklist, wkl, wkl_list);
! 53: sigprocmask(SIG_SETMASK, &old, NULL);
! 54: }
! 55:
! 56: /*
! 57: * run over the given worklist, calling cb for each element.
! 58: * this is just like cvs_worklist_clean(), except we block signals first.
! 59: */
! 60: void
! 61: cvs_worklist_run(struct cvs_wklhead *list, void (*cb)(struct cvs_worklist *))
! 62: {
! 63: sigset_t old, new;
! 64:
! 65: sigfillset(&new);
! 66: sigprocmask(SIG_BLOCK, &new, &old);
! 67:
! 68: cvs_worklist_clean(list, cb);
! 69:
! 70: sigprocmask(SIG_SETMASK, &old, NULL);
! 71: }
! 72:
! 73: /*
! 74: * clean the worklist by passing the elements to the specified callback
! 75: */
! 76: void
! 77: cvs_worklist_clean(struct cvs_wklhead *list, void (*cb)(struct cvs_worklist *))
! 78: {
! 79: struct cvs_worklist *wkl;
! 80:
! 81: while ((wkl = SLIST_FIRST(list)) != NULL) {
! 82: SLIST_REMOVE_HEAD(list, wkl_list);
! 83: cb(wkl);
! 84: xfree(wkl);
! 85: }
! 86: }
! 87:
! 88: void
! 89: cvs_worklist_unlink(struct cvs_worklist *wkl)
! 90: {
! 91: (void)unlink(wkl->wkl_path);
! 92: }