athena Namespace Reference

Functions
const void *	page_address (const void *addr)
void *	page_address (void *addr)
void *	next_page_address (void *addr)
int	page_protect (void *addr, int prot)
template<typename T >
size_t	page_protect (T *addr, int prot)
	protect page containing addr, from page boundary to addr+sizeof(T). More...

Variables
string	__author__ = 'Wim Lavrijsen (WLavrijsen@lbl.gov)'
string	__doc__ = 'For details about athena.py, run "less `which athena.py`"'
	opts = aop.parse(legacy_args=True)
list	path_list = ['./'] + os.environ.get('PYTHONPATH', '').split(os.pathsep)
	file_path
	CA
	acc = pickle.load(f)
	value
	path
	python interpreter configuration --------------------------------------— More...
	ps1
	rename ourselfs to athena, both the prompt and the process (for top & ps) More...
	ps2
	libc = ctypes.cdll.LoadLibrary( ctypes_find_library('c') )
int	exitcode = 0
	run_name
	_msg = log
	_athena_python_profiler
const size_t	PAGESIZE = sysconf(_SC_PAGE_SIZE)

Function Documentation

next_page_address()

void * athena::next_page_address

(

void *

addr

)

Definition at line 17 of file page_access.cxx.

                                      { 
    return (void*)(((long)addr & ~(PAGESIZE-1)) + PAGESIZE); 
  }

page_address() [1/2]

const void * athena::page_address

(

const void *

addr

)

Definition at line 11 of file page_access.cxx.

                                             { 
    return (const void*)((long)addr & ~(PAGESIZE-1)); 
  }

page_address() [2/2]

void * athena::page_address

(

void *

addr

)

Definition at line 14 of file page_access.cxx.

                                 { 
    return (void*)((long)addr & ~(PAGESIZE-1)); 
  }

page_protect() [1/2]

template<typename T >

size_t athena::page_protect	(	T *	addr,
		int	prot
	)

protect page containing addr, from page boundary to addr+sizeof(T).

Returns

amount of mem protected (0 flags an error)

Definition at line 20 of file page_access.h.

                                       {
  void* pageAddr(page_address((void*)addr));
  size_t lProtected((long)addr-(long)pageAddr+sizeof(T));
  int rc=mprotect(pageAddr, lProtected, prot);
  if (rc) printf("page_protect WARNING: mprotect heap failed for address %p\n", (void*)addr);
#ifdef DEBUG
  else printf("page_protect DEBUG: set protection @%i for range @%lx - @%zx containing addr=%p\n",
          prot,(long unsigned int)page_address(addr),(long unsigned int)addr+sizeof(T), (void*)addr);
#endif
  return (rc == 0 ? lProtected : 0);
}

page_protect() [2/2]

int athena::page_protect	(	void *	addr,
		int	prot
	)

Definition at line 21 of file page_access.cxx.

                                         {
    int rc=mprotect(page_address(addr), PAGESIZE, prot);
    if (rc) printf("page_protect WARNING: mprotect heap failed for void *address %p\n", addr);
#ifdef DEBUG
    else printf("page_protect DEBUG: set protection @%i for range @%zx - @%zx containing void* addr=%p\n",
        prot,(size_t)page_address(addr), 
        (size_t)page_address(addr) + PAGESIZE, addr);
#endif
    return rc;
  }

Variable Documentation

__author__

string athena.__author__ = 'Wim Lavrijsen (WLavrijsen@lbl.gov)'

private

Definition at line 78 of file athena.py.

__doc__

string athena.__doc__ = 'For details about athena.py, run "less `which athena.py`"'

private

Definition at line 79 of file athena.py.

_athena_python_profiler

athena._athena_python_profiler

private

Definition at line 203 of file athena.py.

_msg

athena._msg = log

private

Definition at line 189 of file athena.py.

acc

athena.acc = pickle.load(f)

Definition at line 108 of file athena.py.

CA

athena.CA

Definition at line 98 of file athena.py.

exitcode

int athena.exitcode = 0

Definition at line 159 of file athena.py.

file_path

athena.file_path

Initial value:

=  FindFile( os.path.expanduser( os.path.expandvars(opts.scripts[0]) ),
                         path_list, os.R_OK )

Definition at line 92 of file athena.py.

libc

athena.libc = ctypes.cdll.LoadLibrary( ctypes_find_library('c') )

Definition at line 139 of file athena.py.

opts

athena.opts = aop.parse(legacy_args=True)

Definition at line 86 of file athena.py.

PAGESIZE

const size_t athena.PAGESIZE = sysconf(_SC_PAGE_SIZE)

Definition at line 9 of file page_access.cxx.

path

athena.path

python interpreter configuration --------------------------------------—

Definition at line 126 of file athena.py.

path_list

list athena.path_list = ['./'] + os.environ.get('PYTHONPATH', '').split(os.pathsep)

Definition at line 91 of file athena.py.

ps1

athena.ps1

rename ourselfs to athena, both the prompt and the process (for top & ps)

Definition at line 133 of file athena.py.

ps2

athena.ps2

Definition at line 134 of file athena.py.

run_name

athena.run_name

Definition at line 164 of file athena.py.

value

athena.value

Definition at line 122 of file athena.py.