0,0 → 1,111 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* Copyright (c) 2008 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
|
/** @addtogroup libc |
* @{ |
*/ |
/** @file |
*/ |
|
#include <task.h> |
#include <libc.h> |
#include <stdlib.h> |
#include <errno.h> |
#include <loader/loader.h> |
|
task_id_t task_get_id(void) |
{ |
task_id_t task_id; |
|
(void) __SYSCALL1(SYS_TASK_GET_ID, (sysarg_t) &task_id); |
|
return task_id; |
} |
|
/** Create a new task by running an executable from the filesystem. |
* |
* This is really just a convenience wrapper over the more complicated |
* loader API. |
* |
* @param path pathname of the binary to execute |
* @param argv command-line arguments |
* @return ID of the newly created task or zero on error. |
*/ |
task_id_t task_spawn(const char *path, char *const argv[]) |
{ |
loader_t *ldr; |
task_id_t task_id; |
int rc; |
|
/* Spawn a program loader. */ |
ldr = loader_spawn(); |
if (ldr == NULL) |
return 0; |
|
/* Get task ID. */ |
rc = loader_get_task_id(ldr, &task_id); |
if (rc != EOK) |
goto error; |
|
/* Send program pathname. */ |
rc = loader_set_pathname(ldr, path); |
if (rc != EOK) |
goto error; |
|
/* Send arguments. */ |
rc = loader_set_args(ldr, argv); |
if (rc != EOK) |
goto error; |
|
/* Load the program. */ |
rc = loader_load_program(ldr); |
if (rc != EOK) |
goto error; |
|
/* Run it. */ |
/* Load the program. */ |
rc = loader_run(ldr); |
if (rc != EOK) |
goto error; |
|
/* Success */ |
|
free(ldr); |
return task_id; |
|
/* Error exit */ |
error: |
loader_abort(ldr); |
free(ldr); |
|
return 0; |
} |
|
/** @} |
*/ |