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Kirill Smelkov
gevent
Commits
78ed091f
Commit
78ed091f
authored
Apr 04, 2016
by
Jason Madden
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Merge branch 'cffi-sep-files'
parents
961f8858
410a14fb
Changes
3
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3 changed files
with
283 additions
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277 deletions
+283
-277
gevent/_corecffi_build.py
gevent/_corecffi_build.py
+13
-277
gevent/_corecffi_cdef.c
gevent/_corecffi_cdef.c
+225
-0
gevent/_corecffi_source.c
gevent/_corecffi_source.c
+45
-0
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gevent/_corecffi_build.py
View file @
78ed091f
# pylint: disable=
too-many-lines, protected-access, redefined-outer-name
# pylint: disable=
no-member
# This module is only used to create and compile the gevent._corecffi module;
# This module is only used to create and compile the gevent._corecffi module;
# nothing should be directly imported from it except `ffi`, which should only be
# nothing should be directly imported from it except `ffi`, which should only be
...
@@ -9,6 +9,7 @@
...
@@ -9,6 +9,7 @@
from
__future__
import
absolute_import
,
print_function
from
__future__
import
absolute_import
,
print_function
import
sys
import
sys
import
os
import
os
import
os.path
# pylint:disable=no-name-in-module
import
struct
import
struct
__all__
=
[]
__all__
=
[]
...
@@ -21,216 +22,27 @@ def system_bits():
...
@@ -21,216 +22,27 @@ def system_bits():
def
st_nlink_type
():
def
st_nlink_type
():
if
sys
.
platform
==
"darwin"
or
sys
.
platform
.
startswith
(
"freebsd"
):
if
sys
.
platform
==
"darwin"
or
sys
.
platform
.
startswith
(
"freebsd"
):
return
"short"
return
"short"
el
if
system_bits
()
==
32
:
if
system_bits
()
==
32
:
return
"unsigned long"
return
"unsigned long"
return
"long long"
return
"long long"
from
cffi
import
FFI
from
cffi
import
FFI
ffi
=
FFI
()
ffi
=
FFI
()
_cdef
=
"""
#define EV_MINPRI ...
#define EV_MAXPRI ...
#define EV_VERSION_MAJOR ...
thisdir
=
os
.
path
.
dirname
(
os
.
path
.
abspath
(
__file__
))
#define EV_VERSION_MINOR ...
def
read_source
(
name
):
with
open
(
os
.
path
.
join
(
thisdir
,
name
),
'r'
)
as
f
:
#define EV_UNDEF ...
return
f
.
read
()
#define EV_NONE ...
#define EV_READ ...
#define EV_WRITE ...
#define EV__IOFDSET ...
#define EV_TIMER ...
#define EV_PERIODIC ...
#define EV_SIGNAL ...
#define EV_CHILD ...
#define EV_STAT ...
#define EV_IDLE ...
#define EV_PREPARE ...
#define EV_CHECK ...
#define EV_EMBED ...
#define EV_FORK ...
#define EV_CLEANUP ...
#define EV_ASYNC ...
#define EV_CUSTOM ...
#define EV_ERROR ...
#define EVFLAG_AUTO ...
#define EVFLAG_NOENV ...
#define EVFLAG_FORKCHECK ...
#define EVFLAG_NOINOTIFY ...
#define EVFLAG_SIGNALFD ...
#define EVFLAG_NOSIGMASK ...
#define EVBACKEND_SELECT ...
#define EVBACKEND_POLL ...
#define EVBACKEND_EPOLL ...
#define EVBACKEND_KQUEUE ...
#define EVBACKEND_DEVPOLL ...
#define EVBACKEND_PORT ...
/* #define EVBACKEND_IOCP ... */
#define EVBACKEND_ALL ...
#define EVBACKEND_MASK ...
#define EVRUN_NOWAIT ...
#define EVRUN_ONCE ...
#define EVBREAK_CANCEL ...
#define EVBREAK_ONE ...
#define EVBREAK_ALL ...
struct ev_loop {
int backend_fd;
int activecnt;
...;
};
// Watcher types
// base for all watchers
struct ev_watcher{...;};
struct ev_io {
int fd;
int events;
void* data;
...;
};
struct ev_timer {
double at;
void* data;
...;
};
struct ev_signal {
void* data;
...;
};
struct ev_idle {
void* data;
...;
};
struct ev_prepare {
void* data;
...;
};
struct ev_check {
void* data;
...;
};
struct ev_fork {
void* data;
...;
};
struct ev_async {
void* data;
...;
};
struct ev_child {
int pid;
int rpid;
int rstatus;
void* data;
...;
};
struct stat {
"""
+
st_nlink_type
()
+
""" st_nlink;
...;
};
struct ev_stat {
struct stat attr;
const char* path;
struct stat prev;
double interval;
void* data;
...;
};
typedef double ev_tstamp;
int ev_version_major();
int ev_version_minor();
unsigned int ev_supported_backends (void);
unsigned int ev_recommended_backends (void);
unsigned int ev_embeddable_backends (void);
ev_tstamp ev_time (void);
void ev_set_syserr_cb(void *);
int ev_priority(void*);
void ev_set_priority(void*, int);
int ev_is_pending(void*);
int ev_is_active(void*);
void ev_io_init(struct ev_io*, void* callback, int fd, int events);
void ev_io_start(struct ev_loop*, struct ev_io*);
void ev_io_stop(struct ev_loop*, struct ev_io*);
void ev_feed_event(struct ev_loop*, void*, int);
void ev_timer_init(struct ev_timer*, void *callback, double, double);
void ev_timer_start(struct ev_loop*, struct ev_timer*);
void ev_timer_stop(struct ev_loop*, struct ev_timer*);
void ev_timer_again(struct ev_loop*, struct ev_timer*);
void ev_signal_init(struct ev_signal*, void* callback, int);
void ev_signal_start(struct ev_loop*, struct ev_signal*);
void ev_signal_stop(struct ev_loop*, struct ev_signal*);
void ev_idle_init(struct ev_idle*, void* callback);
void ev_idle_start(struct ev_loop*, struct ev_idle*);
void ev_idle_stop(struct ev_loop*, struct ev_idle*);
void ev_prepare_init(struct ev_prepare*, void* callback);
void ev_prepare_start(struct ev_loop*, struct ev_prepare*);
void ev_prepare_stop(struct ev_loop*, struct ev_prepare*);
void ev_check_init(struct ev_check*, void* callback);
void ev_check_start(struct ev_loop*, struct ev_check*);
void ev_check_stop(struct ev_loop*, struct ev_check*);
void ev_fork_init(struct ev_fork*, void* callback);
void ev_fork_start(struct ev_loop*, struct ev_fork*);
void ev_fork_stop(struct ev_loop*, struct ev_fork*);
void ev_async_init(struct ev_async*, void* callback);
void ev_async_start(struct ev_loop*, struct ev_async*);
void ev_async_stop(struct ev_loop*, struct ev_async*);
void ev_async_send(struct ev_loop*, struct ev_async*);
int ev_async_pending(struct ev_async*);
void ev_child_init(struct ev_child*, void* callback, int, int);
void ev_child_start(struct ev_loop*, struct ev_child*);
void ev_child_stop(struct ev_loop*, struct ev_child*);
void ev_stat_init(struct ev_stat*, void* callback, char*, double);
void ev_stat_start(struct ev_loop*, struct ev_stat*);
void ev_stat_stop(struct ev_loop*, struct ev_stat*);
struct ev_loop *ev_default_loop (unsigned int flags);
_cdef
=
read_source
(
'_corecffi_cdef.c'
)
struct ev_loop* ev_loop_new(unsigned int flags);
_source
=
read_source
(
'_corecffi_source.c'
)
void ev_loop_destroy(struct ev_loop*);
void ev_loop_fork(struct ev_loop*);
int ev_is_default_loop (struct ev_loop *);
unsigned int ev_iteration(struct ev_loop*);
unsigned int ev_depth(struct ev_loop*);
unsigned int ev_backend(struct ev_loop*);
void ev_verify(struct ev_loop*);
void ev_run(struct ev_loop*, int flags);
ev_tstamp ev_now (struct ev_loop *);
_cdef
=
_cdef
.
replace
(
'#define GEVENT_ST_NLINK_T int'
,
''
)
void ev_now_update (struct ev_loop *); /* update event loop time */
_cdef
=
_cdef
.
replace
(
'#define GEVENT_STRUCT_DONE int'
,
''
)
void ev_ref(struct ev_loop*);
_cdef
=
_cdef
.
replace
(
'GEVENT_ST_NLINK_T'
,
st_nlink_type
())
void ev_unref(struct ev_loop*);
_cdef
=
_cdef
.
replace
(
"GEVENT_STRUCT_DONE _;"
,
'...;'
)
void ev_break(struct ev_loop*, int);
unsigned int ev_pending_count(struct ev_loop*);
struct ev_loop* gevent_ev_default_loop(unsigned int flags);
void gevent_install_sigchld_handler();
void (*gevent_noop)(struct ev_loop *_loop, struct ev_timer *w, int revents);
void ev_sleep (ev_tstamp delay); /* sleep for a while */
"""
if
sys
.
platform
.
startswith
(
'win'
):
if
sys
.
platform
.
startswith
(
'win'
):
# We must have the vfd_open, etc, functions on
# We must have the vfd_open, etc, functions on
...
@@ -245,84 +57,8 @@ vfd_socket_t vfd_get(int);
...
@@ -245,84 +57,8 @@ vfd_socket_t vfd_get(int);
void vfd_free(int);
void vfd_free(int);
"""
"""
_watcher_types
=
[
'ev_async'
,
'ev_check'
,
'ev_child'
,
'ev_fork'
,
'ev_idle'
,
'ev_io'
,
'ev_prepare'
,
'ev_signal'
,
'ev_stat'
,
'ev_timer'
,
]
_source
=
"""
// passed to the real C compiler
#define LIBEV_EMBED 1
#ifdef _WIN32
#define EV_STANDALONE 1
#include "libev_vfd.h"
#endif
#include "libev.h"
static void
_gevent_noop(struct ev_loop *_loop, struct ev_timer *w, int revents) { }
void (*gevent_noop)(struct ev_loop *, struct ev_timer *, int) = &_gevent_noop;
"""
# Setup the watcher callbacks
_cbs
=
"""
static int (*python_callback)(void* handle, int revents);
static void (*python_handle_error)(void* handle, int revents);
static void (*python_stop)(void* handle);
"""
_cdef
+=
_cbs
_source
+=
_cbs
_watcher_type
=
None
# We use a single C callback for every watcher type, which in turn calls the
# Python callbacks. The ev_watcher pointer type can be used for every watcher type
# because they all start with the same members---libev itself relies on this. Each
# watcher types has a 'void* data' that stores the CFFI handle to the Python watcher
# object.
_cdef
+=
"""
static void _gevent_generic_callback(struct ev_loop* loop, struct ev_watcher* watcher, int revents);
"""
_source
+=
"""
static void _gevent_generic_callback(struct ev_loop* loop, struct ev_watcher* watcher, int revents)
{
void* handle = watcher->data;
int cb_result = python_callback(handle, revents);
switch(cb_result) {
case -1:
// in case of exception, call self.loop.handle_error;
// this function is also responsible for stopping the watcher
// and allowing memory to be freed
python_handle_error(handle, revents);
break;
case 0:
// Code to stop the event. Note that if python_callback
// has disposed of the last reference to the handle,
// `watcher` could now be invalid/disposed memory!
if (!ev_is_active(watcher)) {
python_stop(handle);
}
break;
default:
assert(cb_result == 1);
// watcher is already stopped and dead, nothing to do.
}
}
"""
thisdir
=
os
.
path
.
dirname
(
os
.
path
.
abspath
(
__file__
))
include_dirs
=
[
include_dirs
=
[
thisdir
,
# libev_vfd.h
thisdir
,
# libev_vfd.h
os
.
path
.
abspath
(
os
.
path
.
join
(
thisdir
,
'..'
,
'libev'
)),
os
.
path
.
abspath
(
os
.
path
.
join
(
thisdir
,
'..'
,
'libev'
)),
...
...
gevent/_corecffi_cdef.c
0 → 100644
View file @
78ed091f
/* libev interface */
#define EV_MINPRI ...
#define EV_MAXPRI ...
#define EV_VERSION_MAJOR ...
#define EV_VERSION_MINOR ...
#define EV_UNDEF ...
#define EV_NONE ...
#define EV_READ ...
#define EV_WRITE ...
#define EV__IOFDSET ...
#define EV_TIMER ...
#define EV_PERIODIC ...
#define EV_SIGNAL ...
#define EV_CHILD ...
#define EV_STAT ...
#define EV_IDLE ...
#define EV_PREPARE ...
#define EV_CHECK ...
#define EV_EMBED ...
#define EV_FORK ...
#define EV_CLEANUP ...
#define EV_ASYNC ...
#define EV_CUSTOM ...
#define EV_ERROR ...
#define EVFLAG_AUTO ...
#define EVFLAG_NOENV ...
#define EVFLAG_FORKCHECK ...
#define EVFLAG_NOINOTIFY ...
#define EVFLAG_SIGNALFD ...
#define EVFLAG_NOSIGMASK ...
#define EVBACKEND_SELECT ...
#define EVBACKEND_POLL ...
#define EVBACKEND_EPOLL ...
#define EVBACKEND_KQUEUE ...
#define EVBACKEND_DEVPOLL ...
#define EVBACKEND_PORT ...
/* #define EVBACKEND_IOCP ... */
#define EVBACKEND_ALL ...
#define EVBACKEND_MASK ...
#define EVRUN_NOWAIT ...
#define EVRUN_ONCE ...
#define EVBREAK_CANCEL ...
#define EVBREAK_ONE ...
#define EVBREAK_ALL ...
/* markers for the CFFI parser. Replaced when the string is read. */
#define GEVENT_STRUCT_DONE int
#define GEVENT_ST_NLINK_T int
struct
ev_loop
{
int
backend_fd
;
int
activecnt
;
GEVENT_STRUCT_DONE
_
;
};
// Watcher types
// base for all watchers
struct
ev_watcher
{
GEVENT_STRUCT_DONE
_
;
};
struct
ev_io
{
int
fd
;
int
events
;
void
*
data
;
GEVENT_STRUCT_DONE
_
;
};
struct
ev_timer
{
double
at
;
void
*
data
;
GEVENT_STRUCT_DONE
_
;
};
struct
ev_signal
{
void
*
data
;
GEVENT_STRUCT_DONE
_
;
};
struct
ev_idle
{
void
*
data
;
GEVENT_STRUCT_DONE
_
;
};
struct
ev_prepare
{
void
*
data
;
GEVENT_STRUCT_DONE
_
;
};
struct
ev_check
{
void
*
data
;
GEVENT_STRUCT_DONE
_
;
};
struct
ev_fork
{
void
*
data
;
GEVENT_STRUCT_DONE
_
;
};
struct
ev_async
{
void
*
data
;
GEVENT_STRUCT_DONE
_
;
};
struct
ev_child
{
int
pid
;
int
rpid
;
int
rstatus
;
void
*
data
;
GEVENT_STRUCT_DONE
_
;
};
struct
stat
{
GEVENT_ST_NLINK_T
st_nlink
;
GEVENT_STRUCT_DONE
_
;
};
struct
ev_stat
{
struct
stat
attr
;
const
char
*
path
;
struct
stat
prev
;
double
interval
;
void
*
data
;
GEVENT_STRUCT_DONE
_
;
};
typedef
double
ev_tstamp
;
int
ev_version_major
();
int
ev_version_minor
();
unsigned
int
ev_supported_backends
(
void
);
unsigned
int
ev_recommended_backends
(
void
);
unsigned
int
ev_embeddable_backends
(
void
);
ev_tstamp
ev_time
(
void
);
void
ev_set_syserr_cb
(
void
*
);
int
ev_priority
(
void
*
);
void
ev_set_priority
(
void
*
,
int
);
int
ev_is_pending
(
void
*
);
int
ev_is_active
(
void
*
);
void
ev_io_init
(
struct
ev_io
*
,
void
*
callback
,
int
fd
,
int
events
);
void
ev_io_start
(
struct
ev_loop
*
,
struct
ev_io
*
);
void
ev_io_stop
(
struct
ev_loop
*
,
struct
ev_io
*
);
void
ev_feed_event
(
struct
ev_loop
*
,
void
*
,
int
);
void
ev_timer_init
(
struct
ev_timer
*
,
void
*
callback
,
double
,
double
);
void
ev_timer_start
(
struct
ev_loop
*
,
struct
ev_timer
*
);
void
ev_timer_stop
(
struct
ev_loop
*
,
struct
ev_timer
*
);
void
ev_timer_again
(
struct
ev_loop
*
,
struct
ev_timer
*
);
void
ev_signal_init
(
struct
ev_signal
*
,
void
*
callback
,
int
);
void
ev_signal_start
(
struct
ev_loop
*
,
struct
ev_signal
*
);
void
ev_signal_stop
(
struct
ev_loop
*
,
struct
ev_signal
*
);
void
ev_idle_init
(
struct
ev_idle
*
,
void
*
callback
);
void
ev_idle_start
(
struct
ev_loop
*
,
struct
ev_idle
*
);
void
ev_idle_stop
(
struct
ev_loop
*
,
struct
ev_idle
*
);
void
ev_prepare_init
(
struct
ev_prepare
*
,
void
*
callback
);
void
ev_prepare_start
(
struct
ev_loop
*
,
struct
ev_prepare
*
);
void
ev_prepare_stop
(
struct
ev_loop
*
,
struct
ev_prepare
*
);
void
ev_check_init
(
struct
ev_check
*
,
void
*
callback
);
void
ev_check_start
(
struct
ev_loop
*
,
struct
ev_check
*
);
void
ev_check_stop
(
struct
ev_loop
*
,
struct
ev_check
*
);
void
ev_fork_init
(
struct
ev_fork
*
,
void
*
callback
);
void
ev_fork_start
(
struct
ev_loop
*
,
struct
ev_fork
*
);
void
ev_fork_stop
(
struct
ev_loop
*
,
struct
ev_fork
*
);
void
ev_async_init
(
struct
ev_async
*
,
void
*
callback
);
void
ev_async_start
(
struct
ev_loop
*
,
struct
ev_async
*
);
void
ev_async_stop
(
struct
ev_loop
*
,
struct
ev_async
*
);
void
ev_async_send
(
struct
ev_loop
*
,
struct
ev_async
*
);
int
ev_async_pending
(
struct
ev_async
*
);
void
ev_child_init
(
struct
ev_child
*
,
void
*
callback
,
int
,
int
);
void
ev_child_start
(
struct
ev_loop
*
,
struct
ev_child
*
);
void
ev_child_stop
(
struct
ev_loop
*
,
struct
ev_child
*
);
void
ev_stat_init
(
struct
ev_stat
*
,
void
*
callback
,
char
*
,
double
);
void
ev_stat_start
(
struct
ev_loop
*
,
struct
ev_stat
*
);
void
ev_stat_stop
(
struct
ev_loop
*
,
struct
ev_stat
*
);
struct
ev_loop
*
ev_default_loop
(
unsigned
int
flags
);
struct
ev_loop
*
ev_loop_new
(
unsigned
int
flags
);
void
ev_loop_destroy
(
struct
ev_loop
*
);
void
ev_loop_fork
(
struct
ev_loop
*
);
int
ev_is_default_loop
(
struct
ev_loop
*
);
unsigned
int
ev_iteration
(
struct
ev_loop
*
);
unsigned
int
ev_depth
(
struct
ev_loop
*
);
unsigned
int
ev_backend
(
struct
ev_loop
*
);
void
ev_verify
(
struct
ev_loop
*
);
void
ev_run
(
struct
ev_loop
*
,
int
flags
);
ev_tstamp
ev_now
(
struct
ev_loop
*
);
void
ev_now_update
(
struct
ev_loop
*
);
/* update event loop time */
void
ev_ref
(
struct
ev_loop
*
);
void
ev_unref
(
struct
ev_loop
*
);
void
ev_break
(
struct
ev_loop
*
,
int
);
unsigned
int
ev_pending_count
(
struct
ev_loop
*
);
struct
ev_loop
*
gevent_ev_default_loop
(
unsigned
int
flags
);
void
gevent_install_sigchld_handler
();
void
(
*
gevent_noop
)(
struct
ev_loop
*
_loop
,
struct
ev_timer
*
w
,
int
revents
);
void
ev_sleep
(
ev_tstamp
delay
);
/* sleep for a while */
/* gevent callbacks */
static
int
(
*
python_callback
)(
void
*
handle
,
int
revents
);
static
void
(
*
python_handle_error
)(
void
*
handle
,
int
revents
);
static
void
(
*
python_stop
)(
void
*
handle
);
/*
* We use a single C callback for every watcher type, which in turn calls the
* Python callbacks. The ev_watcher pointer type can be used for every watcher type
* because they all start with the same members---libev itself relies on this. Each
* watcher types has a 'void* data' that stores the CFFI handle to the Python watcher
* object.
*/
static
void
_gevent_generic_callback
(
struct
ev_loop
*
loop
,
struct
ev_watcher
*
watcher
,
int
revents
);
gevent/_corecffi_source.c
0 → 100644
View file @
78ed091f
// passed to the real C compiler
#define LIBEV_EMBED 1
#ifdef _WIN32
#define EV_STANDALONE 1
#include "libev_vfd.h"
#endif
#include "libev.h"
static
void
_gevent_noop
(
struct
ev_loop
*
_loop
,
struct
ev_timer
*
w
,
int
revents
)
{
}
void
(
*
gevent_noop
)(
struct
ev_loop
*
,
struct
ev_timer
*
,
int
)
=
&
_gevent_noop
;
static
int
(
*
python_callback
)(
void
*
handle
,
int
revents
);
static
void
(
*
python_handle_error
)(
void
*
handle
,
int
revents
);
static
void
(
*
python_stop
)(
void
*
handle
);
static
void
_gevent_generic_callback
(
struct
ev_loop
*
loop
,
struct
ev_watcher
*
watcher
,
int
revents
)
{
void
*
handle
=
watcher
->
data
;
int
cb_result
=
python_callback
(
handle
,
revents
);
switch
(
cb_result
)
{
case
-
1
:
// in case of exception, call self.loop.handle_error;
// this function is also responsible for stopping the watcher
// and allowing memory to be freed
python_handle_error
(
handle
,
revents
);
break
;
case
0
:
// Code to stop the event. Note that if python_callback
// has disposed of the last reference to the handle,
// `watcher` could now be invalid/disposed memory!
if
(
!
ev_is_active
(
watcher
))
{
python_stop
(
handle
);
}
break
;
default:
assert
(
cb_result
==
1
);
// watcher is already stopped and dead, nothing to do.
}
}
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