cosmopolitan/third_party/nsync/testing/start_thread.c

/*-*- mode:c;indent-tabs-mode:t;c-basic-offset:8;tab-width:8;coding:utf-8   -*-│
│ vi: set noet ft=c ts=8 sw=8 fenc=utf-8                                   :vi │
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2016 Google Inc.                                                   │
│                                                                              │
│ 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.                                               │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/mem/mem.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#include "libc/runtime/runtime.h"
#include "libc/thread/thread.h"

struct thd_args {
	void (*f) (void *);
	void *arg;
};

static void *body (void *v) {
	struct thd_args *args = (struct thd_args *) v;
	(*args->f) (args->arg);
	free (args);
	return (NULL);
}

void nsync_start_thread_ (void (*f) (void *), void *arg) {
	struct thd_args *args = (struct thd_args *) malloc (sizeof (*args));
	pthread_t t;
	args->f = f;
	args->arg = arg;
	errno_t err = pthread_create (&t, NULL, body, args);
	if (err) {
		fprintf(stderr, "pthread_create: %s\n", strerror(err));
		exit(1);
	}
	pthread_detach (t);
}