diff options
Diffstat (limited to 'clib/src/watch.c')
-rw-r--r-- | clib/src/watch.c | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/clib/src/watch.c b/clib/src/watch.c deleted file mode 100644 index 508a424..0000000 --- a/clib/src/watch.c +++ /dev/null @@ -1,142 +0,0 @@ -/* IBM_PROLOG_BEGIN_TAG */ -/* This is an automatically generated prolog. */ -/* */ -/* $Source: clib/src/watch.c $ */ -/* */ -/* OpenPOWER FFS Project */ -/* */ -/* Contributors Listed Below - COPYRIGHT 2014,2015 */ -/* [+] International Business Machines Corp. */ -/* */ -/* */ -/* Licensed under the Apache License, Version 2.0 (the "License"); */ -/* you may not use this file except in compliance with the License. */ -/* You may obtain a copy of the License at */ -/* */ -/* http://www.apache.org/licenses/LICENSE-2.0 */ -/* */ -/* Unless required by applicable law or agreed to in writing, software */ -/* distributed under the License is distributed on an "AS IS" BASIS, */ -/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */ -/* implied. See the License for the specific language governing */ -/* permissions and limitations under the License. */ -/* */ -/* IBM_PROLOG_END_TAG */ - -/* - * File: watch.c - * Author: Shaun Wetzstein <shaun@us.ibm.com> - * Descr: - * Note: - * Date: 10/03/10 - */ - -#include <unistd.h> -#include <stdarg.h> -#include <stdlib.h> -#include <malloc.h> -#include <stdint.h> -#include <stdio.h> -#include <string.h> -#include <errno.h> -#include <limits.h> - -#include "misc.h" -#include "nargs.h" -#include "watch.h" - -#define WATCH_PAGE_SIZE 64 -#define WATCH_EVENT_SIZE 64 - -/* ======================================================================= */ - -const char *__watch_msg[] = { - "watch: unexpected NULL self pointer", - "watch: unexpected NULL callback structure", -}; - -#define WATCH_NULL (__watch_msg[0]) -#define WATCH_CALLBACK_NULL (__watch_msg[1]) - -/* ======================================================================= */ - -void watch_init(watch_t * self) -{ - if (unlikely(self == NULL)) - throw_unexpected(WATCH_NULL); - - if (self->fd != -1) - close(self->fd), self->fd = -1; - - self->fd = inotify_init1(IN_CLOEXEC); - if (unlikely(self->fd == -1)) - throw_errno(errno); - - array_init(&self->callbacks, sizeof(watch_callback_t), WATCH_PAGE_SIZE); -} - -void watch_delete(watch_t * self) -{ - if (unlikely(self == NULL)) - throw_unexpected(WATCH_NULL); - close(self->fd), self->fd = -1; - array_delete(&self->callbacks); -} - -int watch_fileno(watch_t * self) -{ - if (unlikely(self == NULL)) - throw_unexpected(WATCH_NULL); - return self->fd; -} - -uint32_t watch_add(watch_t * self, const char *path, uint32_t events, - watch_callback_t * cb) -{ - if (unlikely(self == NULL)) - throw_unexpected(WATCH_NULL); - - if (access(path, F_OK) != 0) - throw_errno(errno); - - uint32_t wd = inotify_add_watch(self->fd, path, events); - if (unlikely((int)wd == -1)) - throw_errno(errno); - - if (cb != NULL) - array_put(&self->callbacks, wd, cb, 1); - - return wd; -} - -void watch_remove(watch_t * self, uint32_t wd) -{ - if (unlikely(self == NULL)) - throw_unexpected(WATCH_NULL); - - int rc = inotify_rm_watch(self->fd, wd); - if (unlikely(rc == -1)) - throw_errno(errno); - - array_status(&self->callbacks, wd, false); -} - -void watch_wait(watch_t * self) -{ - if (unlikely(self == NULL)) - throw_unexpected(WATCH_NULL); - - /* FIX ME */ - - watch_event_t events[WATCH_EVENT_SIZE]; - - ssize_t n = read(self->fd, events, sizeof events); - printf("n[%d]\n", n); - - for (ssize_t i = 0; i < (ssize_t) (n / sizeof *events); i++) - printf("%d: wd[%d] mask[%x] cookie[%x] name[%.*s]\n", - i, events[i].wd, events[i].mask, events[i].cookie, - events[i].len, events[i].name); -} - -/* ======================================================================= */ |