Subversion Repositories HelenOS

Rev

Rev 1065 | Rev 1081 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
447 decky 1
/*
1065 jermar 2
 * Copyright (C) 2006 Jakub Jermar
447 decky 3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
1065 jermar 29
#include <thread.h>
447 decky 30
#include <libc.h>
1079 jermar 31
#include <stdlib.h>
1065 jermar 32
#include <arch/faddr.h>
1079 jermar 33
#include <kernel/proc/uarg.h>
447 decky 34
 
1079 jermar 35
void thread_main(uspace_arg_t *uarg)
36
{
37
    uarg->uspace_thread_function(uarg->uspace_thread_arg);
38
    free(uarg->uspace_stack);
39
    free(uarg);
40
    thread_exit(0);
41
}
1065 jermar 42
 
1079 jermar 43
int thread_create(void (* function)(void *), void *arg, char *name)
1065 jermar 44
{
1079 jermar 45
    char *stack;
46
    uspace_arg_t *uarg;
47
 
48
    stack = (char *) malloc(getpagesize());
49
    if (!stack)
50
        return -1;
51
 
52
    uarg = (uspace_arg_t *) malloc(sizeof(uspace_arg_t));
53
    if (!uarg) {
54
        free(stack);
55
        return -1;
56
    }
57
    uarg->uspace_entry = (void *) FADDR(__thread_entry);
58
    uarg->uspace_stack = (void *) stack;
59
    uarg->uspace_thread_function = (void *) FADDR(function);
60
    uarg->uspace_thread_arg = arg;
61
    uarg->uspace_uarg = uarg;
62
 
63
    return __SYSCALL2(SYS_THREAD_CREATE, (sysarg_t) uarg, (sysarg_t) name);
713 decky 64
}
65
 
1065 jermar 66
void thread_exit(int status)
67
{
68
    __SYSCALL1(SYS_THREAD_EXIT, (sysarg_t) status);
447 decky 69
}