/trunk/uspace/lib/libc/generic/task.c |
---|
1,5 → 1,6 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* Copyright (c) 2008 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
33,7 → 34,13 |
*/ |
#include <task.h> |
#include <ipc/ipc.h> |
#include <ipc/loader.h> |
#include <libc.h> |
#include <string.h> |
#include <stdlib.h> |
#include <async.h> |
#include <errno.h> |
task_id_t task_get_id(void) |
{ |
44,10 → 51,124 |
return task_id; |
} |
int task_spawn(void *image, size_t size) |
static int task_spawn_loader(void) |
{ |
return __SYSCALL2(SYS_TASK_SPAWN, (sysarg_t) image, (sysarg_t) size); |
int phone_id, rc; |
rc = __SYSCALL1(SYS_PROGRAM_SPAWN_LOADER, (sysarg_t) &phone_id); |
if (rc != 0) |
return rc; |
return phone_id; |
} |
static int loader_set_args(int phone_id, const char *argv[]) |
{ |
aid_t req; |
ipc_call_t answer; |
ipcarg_t rc; |
const char **ap; |
char *dp; |
char *arg_buf; |
size_t buffer_size; |
size_t len; |
/* |
* Serialize the arguments into a single array. First |
* compute size of the buffer needed. |
*/ |
ap = argv; |
buffer_size = 0; |
while (*ap != NULL) { |
buffer_size += strlen(*ap) + 1; |
++ap; |
} |
arg_buf = malloc(buffer_size); |
if (arg_buf == NULL) return ENOMEM; |
/* Now fill the buffer with null-terminated argument strings */ |
ap = argv; |
dp = arg_buf; |
while (*ap != NULL) { |
strcpy(dp, *ap); |
dp += strlen(*ap) + 1; |
++ap; |
} |
/* Send serialized arguments to the loader */ |
req = async_send_0(phone_id, LOADER_SET_ARGS, &answer); |
rc = ipc_data_write_start(phone_id, (void *)arg_buf, buffer_size); |
if (rc != EOK) { |
async_wait_for(req, NULL); |
return rc; |
} |
async_wait_for(req, &rc); |
if (rc != EOK) return rc; |
/* Free temporary buffer */ |
free(arg_buf); |
return EOK; |
} |
/** Create a new task by running an executable from VFS. |
* |
* @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, const char *argv[]) |
{ |
int phone_id; |
ipc_call_t answer; |
aid_t req; |
int rc; |
ipcarg_t retval; |
/* Spawn a program loader */ |
phone_id = task_spawn_loader(); |
if (phone_id < 0) return 0; |
/* |
* Say hello so that the loader knows the incoming connection's |
* phone hash. |
*/ |
rc = async_req_0_0(phone_id, LOADER_HELLO); |
if (rc != EOK) return 0; |
/* Send program pathname */ |
req = async_send_0(phone_id, LOADER_SET_PATHNAME, &answer); |
rc = ipc_data_write_start(phone_id, (void *)path, strlen(path)); |
if (rc != EOK) { |
async_wait_for(req, NULL); |
return 1; |
} |
async_wait_for(req, &retval); |
if (retval != EOK) goto error; |
/* Send arguments */ |
rc = loader_set_args(phone_id, argv); |
if (rc != EOK) goto error; |
/* Request loader to start the program */ |
rc = async_req_0_0(phone_id, LOADER_RUN); |
if (rc != EOK) goto error; |
/* Success */ |
ipc_hangup(phone_id); |
return 1; |
/* Error exit */ |
error: |
ipc_hangup(phone_id); |
return 0; |
} |
/** @} |
*/ |
/trunk/uspace/lib/libc/generic/as.c |
---|
85,6 → 85,20 |
return __SYSCALL1(SYS_AS_AREA_DESTROY, (sysarg_t ) address); |
} |
/** Change address-space area flags. |
* |
* @param address Virtual address pointing into the address space area being |
* modified. |
* @param flags New flags describing type of the area. |
* |
* @return Zero on success or a code from @ref errno.h on failure. |
*/ |
int as_area_change_flags(void *address, int flags) |
{ |
return __SYSCALL2(SYS_AS_AREA_CHANGE_FLAGS, (sysarg_t) address, |
(sysarg_t) flags); |
} |
static size_t heapsize = 0; |
static size_t maxheapsize = (size_t) (-1); |
/trunk/uspace/lib/libc/generic/pcb.c |
---|
0,0 → 1,40 |
/* |
* 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 <loader/pcb.h> |
pcb_t *__pcb; |
/** @} |
*/ |
/trunk/uspace/lib/libc/generic/libc.c |
---|
48,8 → 48,10 |
#include <ipc/ipc.h> |
#include <async.h> |
#include <as.h> |
#include <loader/pcb.h> |
extern char _heap; |
extern int main(int argc, char *argv[]); |
void _exit(int status) |
{ |
56,9 → 58,11 |
thread_exit(status); |
} |
void __main(void) |
void __main(void *pcb_ptr) |
{ |
fibril_t *f; |
int argc; |
char **argv; |
(void) as_area_create(&_heap, 1, AS_AREA_WRITE | AS_AREA_READ); |
_async_init(); |
66,6 → 70,19 |
__tcb_set(f->tcb); |
open_console(); |
/* Save the PCB pointer */ |
__pcb = (pcb_t *)pcb_ptr; |
if (__pcb == NULL) { |
argc = 0; |
argv = NULL; |
} else { |
argc = __pcb->argc; |
argv = __pcb->argv; |
} |
main(argc, argv); |
} |
void __exit(void) |
/trunk/uspace/lib/libc/generic/smc.c |
---|
0,0 → 1,45 |
/* |
* 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 <libc.h> |
#include <sys/types.h> |
int smc_coherence(void *address, size_t size) |
{ |
return __SYSCALL2(SYS_SMC_COHERENCE, (sysarg_t) address, |
(sysarg_t) size); |
} |
/** @} |
*/ |
/trunk/uspace/lib/libc/generic/io/stream.c |
---|
96,6 → 96,15 |
} |
} |
void close_console(void) |
{ |
if (console_phone >= 0) { |
if (ipc_hangup(console_phone) == 0) { |
console_phone = -1; |
} |
} |
} |
void klog_update(void) |
{ |
(void) __SYSCALL3(SYS_KLOG, 1, NULL, 0); |