diff options
Diffstat (limited to 'libcutils/native_handle.c')
-rw-r--r-- | libcutils/native_handle.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/libcutils/native_handle.c b/libcutils/native_handle.c new file mode 100644 index 0000000..4089968 --- /dev/null +++ b/libcutils/native_handle.c @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * 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. + */ + +#define LOG_TAG "NativeHandle" + +#include <stdint.h> +#include <errno.h> +#include <string.h> +#include <stdlib.h> +#include <unistd.h> + +#include <cutils/log.h> +#include <cutils/native_handle.h> + +native_handle_t* native_handle_create(int numFds, int numInts) +{ + native_handle_t* h = malloc( + sizeof(native_handle_t) + sizeof(int)*(numFds+numInts)); + + h->version = sizeof(native_handle_t); + h->numFds = numFds; + h->numInts = numInts; + return h; +} + +int native_handle_delete(native_handle_t* h) +{ + if (h) { + if (h->version != sizeof(native_handle_t)) + return -EINVAL; + free(h); + } + return 0; +} + +int native_handle_close(const native_handle_t* h) +{ + if (h->version != sizeof(native_handle_t)) + return -EINVAL; + + const int numFds = h->numFds; + int i; + for (i=0 ; i<numFds ; i++) { + close(h->data[i]); + } + return 0; +} |