forked from cory/tildefriends
Cory McWilliams
41cabad264
git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3856 ed5197a5-7fde-0310-b194-c3ffbd925b24
100 lines
2.6 KiB
C
100 lines
2.6 KiB
C
/* Copyright libuv project contributors. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "uv.h"
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#include "internal.h"
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#include <sys/types.h>
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#include <unistd.h>
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static uv_mutex_t process_title_mutex;
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static uv_once_t process_title_mutex_once = UV_ONCE_INIT;
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static char* process_title;
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static void init_process_title_mutex_once(void) {
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if (uv_mutex_init(&process_title_mutex))
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abort();
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}
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void uv__process_title_cleanup(void) {
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uv_once(&process_title_mutex_once, init_process_title_mutex_once);
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uv_mutex_destroy(&process_title_mutex);
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}
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char** uv_setup_args(int argc, char** argv) {
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process_title = argc > 0 ? uv__strdup(argv[0]) : NULL;
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return argv;
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}
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int uv_set_process_title(const char* title) {
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char* new_title;
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new_title = uv__strdup(title);
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if (new_title == NULL)
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return UV_ENOMEM;
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uv_once(&process_title_mutex_once, init_process_title_mutex_once);
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uv_mutex_lock(&process_title_mutex);
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uv__free(process_title);
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process_title = new_title;
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setproctitle("%s", title);
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uv_mutex_unlock(&process_title_mutex);
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return 0;
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}
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int uv_get_process_title(char* buffer, size_t size) {
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size_t len;
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if (buffer == NULL || size == 0)
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return UV_EINVAL;
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uv_once(&process_title_mutex_once, init_process_title_mutex_once);
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uv_mutex_lock(&process_title_mutex);
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if (process_title != NULL) {
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len = strlen(process_title) + 1;
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if (size < len) {
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uv_mutex_unlock(&process_title_mutex);
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return UV_ENOBUFS;
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}
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memcpy(buffer, process_title, len);
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} else {
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len = 0;
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}
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uv_mutex_unlock(&process_title_mutex);
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buffer[len] = '\0';
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return 0;
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}
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