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| Current File : //lib64/perl5/CORE/fakethr.h |
/* fakethr.h
*
* Copyright (C) 1999, by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*
*/
typedef int perl_mutex;
typedef int perl_key;
typedef struct perl_thread *perl_os_thread;
/* With fake threads, thr is global(ish) so we don't need dTHR */
#define dTHR extern int errno
struct perl_wait_queue {
struct perl_thread * thread;
struct perl_wait_queue * next;
};
typedef struct perl_wait_queue *perl_cond;
/* Ask thread.h to include our per-thread extras */
#define HAVE_THREAD_INTERN
struct thread_intern {
perl_os_thread next_run, prev_run; /* Linked list of runnable threads */
perl_cond wait_queue; /* Wait queue that we are waiting on */
IV private; /* Holds data across time slices */
I32 savemark; /* Holds MARK for thread join values */
};
#define init_thread_intern(t) \
STMT_START { \
t->self = (t); \
(t)->i.next_run = (t)->i.prev_run = (t); \
(t)->i.wait_queue = 0; \
(t)->i.private = 0; \
} STMT_END
/*
* Note that SCHEDULE() is only callable from pp code (which
* must be expecting to be restarted). We'll have to do
* something a bit different for XS code.
*/
#define SCHEDULE() return schedule(), PL_op
#define MUTEX_LOCK(m)
#define MUTEX_UNLOCK(m)
#define MUTEX_INIT(m)
#define MUTEX_DESTROY(m)
#define COND_INIT(c) perl_cond_init(c)
#define COND_SIGNAL(c) perl_cond_signal(c)
#define COND_BROADCAST(c) perl_cond_broadcast(c)
#define COND_WAIT(c, m) \
STMT_START { \
perl_cond_wait(c); \
SCHEDULE(); \
} STMT_END
#define COND_DESTROY(c)
#define THREAD_CREATE(t, f) f((t))
#define THREAD_POST_CREATE(t) NOOP
#define YIELD NOOP
/*
* Local variables:
* c-indentation-style: bsd
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*
* ex: set ts=8 sts=4 sw=4 noet:
*/