| 1 | /* fakethr.h
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| 2 | *
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| 3 | * Copyright (C) 1999, by Larry Wall and others
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| 4 | *
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| 5 | * You may distribute under the terms of either the GNU General Public
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| 6 | * License or the Artistic License, as specified in the README file.
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| 7 | *
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| 8 | */
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| 9 |
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| 10 | typedef int perl_mutex;
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| 11 | typedef int perl_key;
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| 12 |
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| 13 | typedef struct perl_thread *perl_os_thread;
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| 14 | /* With fake threads, thr is global(ish) so we don't need dTHR */
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| 15 | #define dTHR extern int errno
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| 16 |
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| 17 | struct perl_wait_queue {
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| 18 | struct perl_thread * thread;
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| 19 | struct perl_wait_queue * next;
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| 20 | };
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| 21 | typedef struct perl_wait_queue *perl_cond;
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| 22 |
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| 23 | /* Ask thread.h to include our per-thread extras */
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| 24 | #define HAVE_THREAD_INTERN
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| 25 | struct thread_intern {
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| 26 | perl_os_thread next_run, prev_run; /* Linked list of runnable threads */
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| 27 | perl_cond wait_queue; /* Wait queue that we are waiting on */
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| 28 | IV private; /* Holds data across time slices */
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| 29 | I32 savemark; /* Holds MARK for thread join values */
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| 30 | };
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| 31 |
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| 32 | #define init_thread_intern(t) \
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| 33 | STMT_START { \
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| 34 | t->self = (t); \
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| 35 | (t)->i.next_run = (t)->i.prev_run = (t); \
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| 36 | (t)->i.wait_queue = 0; \
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| 37 | (t)->i.private = 0; \
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| 38 | } STMT_END
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| 39 |
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| 40 | /*
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| 41 | * Note that SCHEDULE() is only callable from pp code (which
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| 42 | * must be expecting to be restarted). We'll have to do
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| 43 | * something a bit different for XS code.
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| 44 | */
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| 45 |
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| 46 | #define SCHEDULE() return schedule(), PL_op
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| 47 |
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| 48 | #define MUTEX_LOCK(m)
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| 49 | #define MUTEX_UNLOCK(m)
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| 50 | #define MUTEX_INIT(m)
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| 51 | #define MUTEX_DESTROY(m)
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| 52 | #define COND_INIT(c) perl_cond_init(c)
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| 53 | #define COND_SIGNAL(c) perl_cond_signal(c)
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| 54 | #define COND_BROADCAST(c) perl_cond_broadcast(c)
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| 55 | #define COND_WAIT(c, m) \
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| 56 | STMT_START { \
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| 57 | perl_cond_wait(c); \
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| 58 | SCHEDULE(); \
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| 59 | } STMT_END
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| 60 | #define COND_DESTROY(c)
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| 61 |
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| 62 | #define THREAD_CREATE(t, f) f((t))
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| 63 | #define THREAD_POST_CREATE(t) NOOP
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| 64 |
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| 65 | #define YIELD NOOP
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