mirror of
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104 lines
3.7 KiB
C
104 lines
3.7 KiB
C
/**
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* @file utils/thread.c
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* @author Martin Pulec <martin.pulec@cesnet.cz>
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*/
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/*
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* Copyright (c) 2019-2025 CESNET
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, is permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of CESNET nor the names of its contributors may be
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* used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <libgen.h>
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#ifndef _WIN32
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#include <pthread.h>
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#endif
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#ifdef HAVE_SETTHREADDESCRIPTION
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#include <processthreadsapi.h>
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include "debug.h"
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#include "host.h"
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#include "utils/thread.h"
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#if ! defined _WIN32 || defined HAVE_SETTHREADDESCRIPTION
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static inline char *get_argv_program_name(void) {
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#ifdef HAVE_CONFIG_H
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if (uv_argv != NULL && uv_argv[0] != NULL) {
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char *prog_name = (char *) malloc(strlen(uv_argv[0]) + 2);
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strcpy(prog_name, uv_argv[0]);
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char *name = basename(prog_name);
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memmove(prog_name, name, strlen(name) + 1);
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strcat(prog_name, "-");
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return prog_name;
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}
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#endif // defined HAVE_CONFIG_H
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return strdup("uv-");
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}
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#endif
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void set_thread_name(const char *name) {
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#if defined __linux__ || defined __FreeBSD__
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// thread name can have at most 16 chars (including terminating null char)
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char *prog_name = get_argv_program_name();
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char tmp[16];
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tmp[sizeof tmp - 1] = '\0';
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strncpy(tmp, prog_name, sizeof tmp - 1);
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free(prog_name);
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strncat(tmp, name, sizeof tmp - strlen(tmp) - 1);
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pthread_setname_np(pthread_self(), tmp);
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#elif defined __APPLE__
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char *prog_name = get_argv_program_name();
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char *tmp = (char *) alloca(strlen(prog_name) + strlen(name) + 1);
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strcpy(tmp, prog_name);
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free(prog_name);
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strcat(tmp, name);
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pthread_setname_np(tmp);
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#elif defined _WIN32
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// supported from Windows 10, not yet in headers
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#ifdef HAVE_SETTHREADDESCRIPTION
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const char *prog_name = get_argv_program_name();
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size_t dst_len = (mbstowcs(NULL, prog_name, 0) + mbstowcs(NULL, name, 0) + 1) * sizeof(wchar_t);
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wchar_t *tmp = (wchar_t *) alloca(dst_len);
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mbstowcs(tmp, prog_name, dst_len / sizeof(wchar_t));
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mbstowcs(tmp + wcslen(tmp), name, dst_len / sizeof(wchar_t) - wcslen(tmp));
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SetThreadDescription(GetCurrentThread(), tmp);
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#else
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UNUSED(name);
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#endif
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#endif
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}
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