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python/Python/thread_solaris.h at master · nishant111/python · GitHub
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#include
<stdlib.h>
#include
<stdio.h>
#include
<errno.h>
#include
</usr/include/thread.h>
#undef
_POSIX_THREADS
/*
* Initialization.
*/
static
void
PyThread__init_thread
(
void
)
{
}
/*
* Thread support.
*/
struct
func_arg
{
void
(
*
func
)(
void
*
);
void
*
arg
;
};
static
void
*
new_func
(
void
*
funcarg
)
{
void
(
*
func
)(
void
*
);
void
*
arg
;
func
=
((
struct
func_arg
*
)
funcarg
)
->
func
;
arg
=
((
struct
func_arg
*
)
funcarg
)
->
arg
;
free
(
funcarg
);
(
*
func
)(
arg
);
return
0
;
}
long
PyThread_start_new_thread
(
void
(
*
func
)(
void
*
),
void
*
arg
)
{
thread_t
tid
;
struct
func_arg
*
funcarg
;
dprintf
((
"PyThread_start_new_thread called\n"
));
if
(!
initialized
)
PyThread_init_thread
();
funcarg
=
(
struct
func_arg
*
)
malloc
(
sizeof
(
struct
func_arg
));
funcarg
->
func
=
func
;
funcarg
->
arg
=
arg
;
if
(
thr_create
(
0
,
0
,
new_func
,
funcarg
,
THR_DETACHED
|
THR_NEW_LWP
,
&
tid
)) {
perror
(
"thr_create"
);
free
((
void
*
)
funcarg
);
return
-1
;
}
return
tid
;
}
long
PyThread_get_thread_ident
(
void
)
{
if
(!
initialized
)
PyThread_init_thread
();
return
thr_self
();
}
static
void
do_PyThread_exit_thread
(
int
no_cleanup
)
{
dprintf
((
"PyThread_exit_thread called\n"
));
if
(!
initialized
)
if
(
no_cleanup
)
_exit
(
0
);
else
exit
(
0
);
thr_exit
(
0
);
}
void
PyThread_exit_thread
(
void
)
{
do_PyThread_exit_thread
(
0
);
}
void
PyThread__exit_thread
(
void
)
{
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
);
if
(
no_cleanup
)
_exit
(
status
);
else
exit
(
status
);
}
void
PyThread_exit_prog
(
int
status
)
{
do_PyThread_exit_prog
(
status
,
0
);
}
void
PyThread__exit_prog
(
int
status
)
{
do_PyThread_exit_prog
(
status
,
1
);
}
#endif
/* NO_EXIT_PROG */
/*
* Lock support.
*/
PyThread_type_lock
PyThread_allocate_lock
(
void
)
{
mutex_t
*
lock
;
dprintf
((
"PyThread_allocate_lock called\n"
));
if
(!
initialized
)
PyThread_init_thread
();
lock
=
(
mutex_t
*
)
malloc
(
sizeof
(
mutex_t
));
if
(
mutex_init
(
lock
,
USYNC_THREAD
,
0
)) {
perror
(
"mutex_init"
);
free
((
void
*
)
lock
);
lock
=
0
;
}
dprintf
((
"PyThread_allocate_lock() -> %p\n"
,
lock
));
return
(
PyThread_type_lock
)
lock
;
}
void
PyThread_free_lock
(
PyThread_type_lock
lock
)
{
dprintf
((
"PyThread_free_lock(%p) called\n"
,
lock
));
mutex_destroy
((
mutex_t
*
)
lock
);
free
((
void
*
)
lock
);
}
int
PyThread_acquire_lock
(
PyThread_type_lock
lock
,
int
waitflag
)
{
int
success
;
dprintf
((
"PyThread_acquire_lock(%p, %d) called\n"
,
lock
,
waitflag
));
if
(
waitflag
)
success
=
mutex_lock
((
mutex_t
*
)
lock
);
else
success
=
mutex_trylock
((
mutex_t
*
)
lock
);
if
(
success
<
0
)
perror
(
waitflag
?
"mutex_lock"
:
"mutex_trylock"
);
else
success
=
!
success
;
/* solaris does it the other way round */
dprintf
((
"PyThread_acquire_lock(%p, %d) -> %d\n"
,
lock
,
waitflag
,
success
));
return
success
;
}
void
PyThread_release_lock
(
PyThread_type_lock
lock
)
{
dprintf
((
"PyThread_release_lock(%p) called\n"
,
lock
));
if
(
mutex_unlock
((
mutex_t
*
)
lock
))
perror
(
"mutex_unlock"
);
}
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