reactos/posix/lib/psxdll/dlfcn/dlclose.c

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/* $Id: dlclose.c,v 1.4 2002/10/29 04:45:28 rex Exp $
*/
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS POSIX+ Subsystem
* FILE: subsys/psx/lib/psxdll/dlfcn/dlclose.c
* PURPOSE: Close a dlopen() object
* PROGRAMMER: KJK::Hyperion <noog@libero.it>
* UPDATE HISTORY:
* 19/12/2001: Created
*/
#include <ddk/ntddk.h>
#include <ntdll/rtl.h>
#include <ntdll/ldr.h>
#include <dlfcn.h>
#include <stdlib.h>
#include <psx/debug.h>
#include <psx/dlfcn.h>
#include <psx/errno.h>
int dlclose(void *handle)
{
if(handle == 0)
{
ERR("invalid handle passed to dlclose");
__dl_set_last_error(EFAULT); /* FIXME? maybe EINVAL? */
return (-1);
}
if(((struct __dlobj *)handle)->global)
{
TODO("global symbol matching not implemented");
__dl_set_last_error(EINVAL);
return (-1);
}
else
{
NTSTATUS nErrCode = LdrUnloadDll(((struct __dlobj *)handle)->handle);
if(!NT_SUCCESS(nErrCode))
{
ERR("LdrUnloadDll(%#x) failed with status %d", ((struct __dlobj *)handle)->handle, nErrCode);
free(handle);
__dl_set_last_error(__status_to_errno(nErrCode));
return (-1);
}
}
free(handle);
return (0);
}
/* EOF */