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