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Problem with comparison.

Ignore whitespace Rev HEAD → Rev 1191

/kernel/trunk/generic/src/syscall/syscall.c
0,0 → 1,98
/*
* Copyright (C) 2005 Martin Decky
* 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.
*/
 
#include <syscall/syscall.h>
#include <proc/thread.h>
#include <proc/task.h>
#include <mm/as.h>
#include <print.h>
#include <putchar.h>
#include <errno.h>
#include <arch.h>
#include <debug.h>
#include <ipc/sysipc.h>
#include <synch/futex.h>
#include <ddi/ddi.h>
 
static __native sys_io(int fd, const void * buf, size_t count) {
// TODO: buf sanity checks and a lot of other stuff ...
 
size_t i;
for (i = 0; i < count; i++)
putchar(((char *) buf)[i]);
return count;
}
 
static __native sys_mmap(void *address, size_t size, int flags)
{
if (as_area_create(AS, flags, size, (__address) address))
return (__native) address;
else
return (__native) -1;
}
 
static __native sys_mremap(void *address, size_t size, int flags)
{
return as_remap(AS, (__address) address, size, 0);
}
 
/** Dispatch system call */
__native syscall_handler(__native a1, __native a2, __native a3,
__native a4, __native id)
{
if (id < SYSCALL_END)
return syscall_table[id](a1,a2,a3,a4);
else
panic("Undefined syscall %d", id);
}
 
syshandler_t syscall_table[SYSCALL_END] = {
sys_io,
sys_tls_set,
sys_thread_create,
sys_thread_exit,
sys_futex_sleep_timeout,
sys_futex_wakeup,
sys_mmap,
sys_mremap,
sys_get_task_id,
sys_ipc_call_sync_fast,
sys_ipc_call_sync,
sys_ipc_call_async_fast,
sys_ipc_call_async,
sys_ipc_answer_fast,
sys_ipc_answer,
sys_ipc_forward_fast,
sys_ipc_wait_for_call,
sys_ipc_hangup,
sys_map_physmem,
sys_enable_iospace
};