| /* 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: |
| */ |