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Kirill Smelkov
cpython
Commits
c4c127b8
Commit
c4c127b8
authored
Dec 04, 2002
by
Andrew MacIntyre
Browse files
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Plain Diff
reformat for PEP-7 style conformance
parent
69049599
Changes
1
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Showing
1 changed file
with
132 additions
and
121 deletions
+132
-121
Python/thread_os2.h
Python/thread_os2.h
+132
-121
No files found.
Python/thread_os2.h
View file @
c4c127b8
...
...
@@ -28,85 +28,86 @@ PyThread__init_thread(void)
long
PyThread_start_new_thread
(
void
(
*
func
)(
void
*
),
void
*
arg
)
{
int
aThread
;
int
success
=
0
;
int
aThread
;
int
success
=
0
;
aThread
=
_beginthread
(
func
,
NULL
,
65536
,
arg
);
aThread
=
_beginthread
(
func
,
NULL
,
65536
,
arg
);
if
(
aThread
==
-
1
)
{
success
=
-
1
;
fprintf
(
stderr
,
"aThread failed == %d"
,
aThread
);
dprintf
((
"_beginthread failed. return %ld
\n
"
,
errno
));
}
if
(
aThread
==
-
1
)
{
success
=
-
1
;
fprintf
(
stderr
,
"aThread failed == %d"
,
aThread
);
dprintf
((
"_beginthread failed. return %ld
\n
"
,
errno
));
}
return
success
;
return
success
;
}
long
PyThread_get_thread_ident
(
void
)
{
#if !defined(PYCC_GCC)
PPIB
pib
;
PTIB
tib
;
PPIB
pib
;
PTIB
tib
;
#endif
if
(
!
initialized
)
PyThread_init_thread
();
if
(
!
initialized
)
PyThread_init_thread
();
#if defined(PYCC_GCC)
return
_gettid
();
return
_gettid
();
#else
DosGetInfoBlocks
(
&
tib
,
&
pib
);
return
tib
->
tib_ptib2
->
tib2_ultid
;
DosGetInfoBlocks
(
&
tib
,
&
pib
);
return
tib
->
tib_ptib2
->
tib2_ultid
;
#endif
}
static
void
do_PyThread_exit_thread
(
int
no_cleanup
)
{
dprintf
((
"%ld: PyThread_exit_thread called
\n
"
,
PyThread_get_thread_ident
()));
if
(
!
initialized
)
if
(
no_cleanup
)
_exit
(
0
);
else
exit
(
0
);
_endthread
();
dprintf
((
"%ld: PyThread_exit_thread called
\n
"
,
PyThread_get_thread_ident
()));
if
(
!
initialized
)
if
(
no_cleanup
)
_exit
(
0
);
else
exit
(
0
);
_endthread
();
}
void
PyThread_exit_thread
(
void
)
{
do_PyThread_exit_thread
(
0
);
do_PyThread_exit_thread
(
0
);
}
void
PyThread__exit_thread
(
void
)
{
do_PyThread_exit_thread
(
1
);
do_PyThread_exit_thread
(
1
);
}
#ifndef NO_EXIT_PROG
static
void
do_PyThread_exit_prog
(
int
status
,
int
no_cleanup
)
{
dprintf
((
"PyThread_exit_prog(%d) called
\n
"
,
status
));
if
(
!
initialized
)
if
(
no_cleanup
)
_exit
(
status
);
else
exit
(
status
);
dprintf
((
"PyThread_exit_prog(%d) called
\n
"
,
status
));
if
(
!
initialized
)
if
(
no_cleanup
)
_exit
(
status
);
else
exit
(
status
);
}
void
PyThread_exit_prog
(
int
status
)
{
do_PyThread_exit_prog
(
status
,
0
);
do_PyThread_exit_prog
(
status
,
0
);
}
void
PyThread__exit_prog
(
int
status
)
{
do_PyThread_exit_prog
(
status
,
1
);
do_PyThread_exit_prog
(
status
,
1
);
}
#endif
/* NO_EXIT_PROG */
...
...
@@ -117,42 +118,42 @@ PyThread__exit_prog(int status)
*/
typedef
struct
os2_lock_t
{
int
is_set
;
HEV
changed
;
int
is_set
;
HEV
changed
;
}
*
type_os2_lock
;
PyThread_type_lock
PyThread_allocate_lock
(
void
)
{
#if defined(PYCC_GCC)
_fmutex
*
sem
=
malloc
(
sizeof
(
_fmutex
));
if
(
!
initialized
)
PyThread_init_thread
();
dprintf
((
"%ld: PyThread_allocate_lock() -> %lx
\n
"
,
PyThread_get_thread_ident
(),
(
long
)
sem
));
if
(
_fmutex_create
(
sem
,
0
))
{
free
(
sem
);
sem
=
NULL
;
}
return
(
PyThread_type_lock
)
sem
;
_fmutex
*
sem
=
malloc
(
sizeof
(
_fmutex
));
if
(
!
initialized
)
PyThread_init_thread
();
dprintf
((
"%ld: PyThread_allocate_lock() -> %lx
\n
"
,
PyThread_get_thread_ident
(),
(
long
)
sem
));
if
(
_fmutex_create
(
sem
,
0
))
{
free
(
sem
);
sem
=
NULL
;
}
return
(
PyThread_type_lock
)
sem
;
#else
APIRET
rc
;
type_os2_lock
lock
=
(
type_os2_lock
)
malloc
(
sizeof
(
struct
os2_lock_t
));
APIRET
rc
;
type_os2_lock
lock
=
(
type_os2_lock
)
malloc
(
sizeof
(
struct
os2_lock_t
));
dprintf
((
"PyThread_allocate_lock called
\n
"
));
if
(
!
initialized
)
PyThread_init_thread
();
dprintf
((
"PyThread_allocate_lock called
\n
"
));
if
(
!
initialized
)
PyThread_init_thread
();
lock
->
is_set
=
0
;
lock
->
is_set
=
0
;
DosCreateEventSem
(
NULL
,
&
lock
->
changed
,
0
,
0
);
DosCreateEventSem
(
NULL
,
&
lock
->
changed
,
0
,
0
);
dprintf
((
"%ld: PyThread_allocate_lock() -> %p
\n
"
,
PyThread_get_thread_ident
(),
lock
->
changed
));
dprintf
((
"%ld: PyThread_allocate_lock() -> %p
\n
"
,
PyThread_get_thread_ident
(),
lock
->
changed
));
return
(
PyThread_type_lock
)
lock
;
return
(
PyThread_type_lock
)
lock
;
#endif
}
...
...
@@ -160,19 +161,20 @@ void
PyThread_free_lock
(
PyThread_type_lock
aLock
)
{
#if !defined(PYCC_GCC)
type_os2_lock
lock
=
(
type_os2_lock
)
aLock
;
type_os2_lock
lock
=
(
type_os2_lock
)
aLock
;
#endif
dprintf
((
"%ld: PyThread_free_lock(%p) called
\n
"
,
PyThread_get_thread_ident
(),
aLock
));
dprintf
((
"%ld: PyThread_free_lock(%p) called
\n
"
,
PyThread_get_thread_ident
(),
aLock
));
#if defined(PYCC_GCC)
if
(
aLock
)
{
_fmutex_close
((
_fmutex
*
)
aLock
);
free
((
_fmutex
*
)
aLock
);
}
if
(
aLock
)
{
_fmutex_close
((
_fmutex
*
)
aLock
);
free
((
_fmutex
*
)
aLock
);
}
#else
DosCloseEventSem
(
lock
->
changed
);
free
(
aLock
);
DosCloseEventSem
(
lock
->
changed
);
free
(
aLock
);
#endif
}
...
...
@@ -185,77 +187,86 @@ int
PyThread_acquire_lock
(
PyThread_type_lock
aLock
,
int
waitflag
)
{
#if !defined(PYCC_GCC)
int
done
=
0
;
ULONG
count
;
PID
pid
=
0
;
TID
tid
=
0
;
type_os2_lock
lock
=
(
type_os2_lock
)
aLock
;
int
done
=
0
;
ULONG
count
;
PID
pid
=
0
;
TID
tid
=
0
;
type_os2_lock
lock
=
(
type_os2_lock
)
aLock
;
#endif
dprintf
((
"%ld: PyThread_acquire_lock(%p, %d) called
\n
"
,
PyThread_get_thread_ident
(),
aLock
,
waitflag
));
dprintf
((
"%ld: PyThread_acquire_lock(%p, %d) called
\n
"
,
PyThread_get_thread_ident
(),
aLock
,
waitflag
));
#if defined(PYCC_GCC)
/* always successful if the lock doesn't exist */
if
(
aLock
&&
_fmutex_request
((
_fmutex
*
)
aLock
,
waitflag
?
0
:
_FMR_NOWAIT
))
return
0
;
/* always successful if the lock doesn't exist */
if
(
aLock
&&
_fmutex_request
((
_fmutex
*
)
aLock
,
waitflag
?
0
:
_FMR_NOWAIT
))
return
0
;
#else
while
(
!
done
)
{
/* if the lock is currently set, we have to wait for the state to change */
if
(
lock
->
is_set
)
{
if
(
!
waitflag
)
return
0
;
DosWaitEventSem
(
lock
->
changed
,
SEM_INDEFINITE_WAIT
);
}
/*
* enter a critical section and try to get the semaphore. If
* it is still locked, we will try again.
*/
if
(
DosEnterCritSec
())
return
0
;
if
(
!
lock
->
is_set
)
{
lock
->
is_set
=
1
;
DosResetEventSem
(
lock
->
changed
,
&
count
);
done
=
1
;
}
DosExitCritSec
();
}
while
(
!
done
)
{
/* if the lock is currently set, we have to wait for
* the state to change
*/
if
(
lock
->
is_set
)
{
if
(
!
waitflag
)
return
0
;
DosWaitEventSem
(
lock
->
changed
,
SEM_INDEFINITE_WAIT
);
}
/* enter a critical section and try to get the semaphore. If
* it is still locked, we will try again.
*/
if
(
DosEnterCritSec
())
return
0
;
if
(
!
lock
->
is_set
)
{
lock
->
is_set
=
1
;
DosResetEventSem
(
lock
->
changed
,
&
count
);
done
=
1
;
}
DosExitCritSec
();
}
#endif
return
1
;
return
1
;
}
void
PyThread_release_lock
(
PyThread_type_lock
aLock
)
{
#if !defined(PYCC_GCC)
type_os2_lock
lock
=
(
type_os2_lock
)
aLock
;
type_os2_lock
lock
=
(
type_os2_lock
)
aLock
;
#endif
dprintf
((
"%ld: PyThread_release_lock(%p) called
\n
"
,
PyThread_get_thread_ident
(),
aLock
));
dprintf
((
"%ld: PyThread_release_lock(%p) called
\n
"
,
PyThread_get_thread_ident
(),
aLock
));
#if defined(PYCC_GCC)
if
(
aLock
)
_fmutex_release
((
_fmutex
*
)
aLock
);
if
(
aLock
)
_fmutex_release
((
_fmutex
*
)
aLock
);
#else
if
(
!
lock
->
is_set
)
{
dprintf
((
"%ld: Could not PyThread_release_lock(%p) error: %l
\n
"
,
PyThread_get_thread_ident
(),
aLock
,
GetLastError
()));
return
;
}
if
(
DosEnterCritSec
())
{
dprintf
((
"%ld: Could not PyThread_release_lock(%p) error: %l
\n
"
,
PyThread_get_thread_ident
(),
aLock
,
GetLastError
()));
return
;
}
lock
->
is_set
=
0
;
DosPostEventSem
(
lock
->
changed
);
DosExitCritSec
();
if
(
!
lock
->
is_set
)
{
dprintf
((
"%ld: Could not PyThread_release_lock(%p) error: %l
\n
"
,
PyThread_get_thread_ident
(),
aLock
,
GetLastError
()));
return
;
}
if
(
DosEnterCritSec
())
{
dprintf
((
"%ld: Could not PyThread_release_lock(%p) error: %l
\n
"
,
PyThread_get_thread_ident
(),
aLock
,
GetLastError
()));
return
;
}
lock
->
is_set
=
0
;
DosPostEventSem
(
lock
->
changed
);
DosExitCritSec
();
#endif
}
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