mirror of https://github.com/python/cpython.git
191 lines
3.6 KiB
C
191 lines
3.6 KiB
C
|
|
#include <mach/cthreads.h>
|
|
|
|
|
|
/*
|
|
* Initialization.
|
|
*/
|
|
static void
|
|
PyThread__init_thread(void)
|
|
{
|
|
cthread_init();
|
|
}
|
|
|
|
/*
|
|
* Thread support.
|
|
*/
|
|
int
|
|
PyThread_start_new_thread(func, void (*func)(void *), void *arg)
|
|
{
|
|
int success = 0; /* init not needed when SOLARIS_THREADS and */
|
|
/* C_THREADS implemented properly */
|
|
|
|
dprintf(("PyThread_start_new_thread called\n"));
|
|
if (!initialized)
|
|
PyThread_init_thread();
|
|
/* looks like solaris detaches the thread to never rejoin
|
|
* so well do it here
|
|
*/
|
|
cthread_detach(cthread_fork((cthread_fn_t) func, arg));
|
|
return success < 0 ? 0 : 1;
|
|
}
|
|
|
|
long
|
|
PyThread_get_thread_ident(void)
|
|
{
|
|
if (!initialized)
|
|
PyThread_init_thread();
|
|
return (long) cthread_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);
|
|
cthread_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_alloc();
|
|
if (mutex_init(lock)) {
|
|
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_free(lock);
|
|
}
|
|
|
|
int
|
|
PyThread_acquire_lock(PyThread_type_lock lock, int waitflag)
|
|
{
|
|
int success = FALSE;
|
|
|
|
dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));
|
|
if (waitflag) { /* blocking */
|
|
mutex_lock(lock);
|
|
success = TRUE;
|
|
} else { /* non blocking */
|
|
success = mutex_try_lock(lock);
|
|
}
|
|
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));
|
|
mutex_unlock((mutex_t )lock);
|
|
}
|
|
|
|
/*
|
|
* Semaphore support.
|
|
*
|
|
* This implementation is ripped directly from the pthreads implementation.
|
|
* Which is to say that it is 100% non-functional at this time.
|
|
*
|
|
* Assuming the page is still up, documentation can be found at:
|
|
*
|
|
* http://www.doc.ic.ac.uk/~mac/manuals/solaris-manual-pages/solaris/usr/man/man2/_lwp_sema_wait.2.html
|
|
*
|
|
* Looking at the man page, it seems that one could easily implement a
|
|
* semaphore using a condition.
|
|
*
|
|
*/
|
|
PyThread_type_sema
|
|
PyThread_allocate_sema(int value)
|
|
{
|
|
char *sema = 0;
|
|
dprintf(("PyThread_allocate_sema called\n"));
|
|
if (!initialized)
|
|
PyThread_init_thread();
|
|
|
|
dprintf(("PyThread_allocate_sema() -> %p\n", sema));
|
|
return (PyThread_type_sema) sema;
|
|
}
|
|
|
|
void
|
|
PyThread_free_sema(PyThread_type_sema sema)
|
|
{
|
|
dprintf(("PyThread_free_sema(%p) called\n", sema));
|
|
}
|
|
|
|
int
|
|
PyThread_down_sema(PyThread_type_sema sema, int waitflag)
|
|
{
|
|
dprintf(("PyThread_down_sema(%p, %d) called\n", sema, waitflag));
|
|
dprintf(("PyThread_down_sema(%p) return\n", sema));
|
|
return -1;
|
|
}
|
|
|
|
void
|
|
PyThread_up_sema(PyThread_type_sema sema)
|
|
{
|
|
dprintf(("PyThread_up_sema(%p)\n", sema));
|
|
}
|