76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
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/*
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luksrku - Tool to remotely unlock LUKS disks using TLS.
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Copyright (C) 2016-2016 Johannes Bauer
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This file is part of luksrku.
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luksrku is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; this program is ONLY licensed under
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version 3 of the License, later versions are explicitly excluded.
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luksrku is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with luksrku; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Johannes Bauer <JohannesBauer@gmx.de>
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <pthread.h>
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#include "thread.h"
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#include "log.h"
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struct pthread_trampoline_data_t {
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void (*thread_function)(void *ctx);
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uint8_t ctx[];
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};
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static void* pthread_trampoline(void *vctx) {
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struct pthread_trampoline_data_t *tdata = (struct pthread_trampoline_data_t*)vctx;
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tdata->thread_function(tdata->ctx);
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free(tdata);
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return NULL;
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}
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bool pthread_create_detached_thread(void (*thread_function)(void *ctx), const void *ctx, unsigned int ctx_length) {
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struct pthread_trampoline_data_t *tdata = calloc(1, sizeof(struct pthread_trampoline_data_t) + ctx_length);
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if (!tdata) {
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log_libc(LLVL_FATAL, "Failed to allocate trampoline data using calloc(3)");
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return false;
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}
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tdata->thread_function = thread_function;
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memcpy(tdata->ctx, ctx, ctx_length);
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pthread_attr_t attrs;
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if (pthread_attr_init(&attrs)) {
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log_libc(LLVL_FATAL, "Unable to pthread_attr_init(3)");
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free(tdata);
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return false;
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}
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if (pthread_attr_setdetachstate(&attrs, PTHREAD_CREATE_DETACHED)) {
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log_libc(LLVL_FATAL, "Unable to pthread_attr_setdetachstate(3)");
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free(tdata);
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return false;
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}
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pthread_t thread;
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if (pthread_create(&thread, &attrs, pthread_trampoline, tdata)) {
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log_libc(LLVL_FATAL, "Unable to pthread_create(3) a client thread");
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free(tdata);
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return false;
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}
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return true;
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}
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