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7bfd3b9e JB |
1 | /* classes: h_files */ |
2 | ||
3 | #ifndef THREADSH | |
4 | #define THREADSH | |
5 | ||
b2728432 | 6 | /* Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc. |
7bfd3b9e JB |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2, or (at your option) | |
11 | * any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
20 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
21 | * Boston, MA 02111-1307 USA | |
7bfd3b9e JB |
22 | * |
23 | * As a special exception, the Free Software Foundation gives permission | |
24 | * for additional uses of the text contained in its release of GUILE. | |
25 | * | |
26 | * The exception is that, if you link the GUILE library with other files | |
27 | * to produce an executable, this does not by itself cause the | |
28 | * resulting executable to be covered by the GNU General Public License. | |
29 | * Your use of that executable is in no way restricted on account of | |
30 | * linking the GUILE library code into it. | |
31 | * | |
32 | * This exception does not however invalidate any other reasons why | |
33 | * the executable file might be covered by the GNU General Public License. | |
34 | * | |
35 | * This exception applies only to the code released by the | |
36 | * Free Software Foundation under the name GUILE. If you copy | |
37 | * code from other Free Software Foundation releases into a copy of | |
38 | * GUILE, as the General Public License permits, the exception does | |
39 | * not apply to the code that you add in this way. To avoid misleading | |
40 | * anyone as to the status of such modified files, you must delete | |
41 | * this exception notice from them. | |
42 | * | |
43 | * If you write modifications of your own for GUILE, it is your choice | |
44 | * whether to permit this exception to apply to your modifications. | |
82892bed | 45 | * If you do not wish that, delete this exception notice. */ |
d3a6bc94 GB |
46 | |
47 | /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999, | |
48 | gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */ | |
7bfd3b9e JB |
49 | \f |
50 | ||
51 | #include "libguile/__scm.h" | |
52 | #include "libguile/procs.h" | |
1651c824 | 53 | #include "libguile/throw.h" |
7bfd3b9e | 54 | |
b2728432 DH |
55 | \f |
56 | ||
7bfd3b9e | 57 | /* smob tags for the thread datatypes */ |
e841c3e0 KN |
58 | extern scm_bits_t scm_tc16_thread; |
59 | extern scm_bits_t scm_tc16_mutex; | |
60 | extern scm_bits_t scm_tc16_condvar; | |
7bfd3b9e | 61 | |
e841c3e0 KN |
62 | #define SCM_THREADP(x) SCM_TYP16_PREDICATE (scm_tc16_thread, x) |
63 | #define SCM_THREAD_DATA(x) ((void *) SCM_CELL_WORD_1 (x)) | |
7bfd3b9e | 64 | |
e841c3e0 KN |
65 | #define SCM_MUTEXP(x) SCM_TYP16_PREDICATE (scm_tc16_mutex, x)) |
66 | #define SCM_MUTEX_DATA(x) ((void *) SCM_CELL_WORD_1 (x)) | |
7bfd3b9e | 67 | |
e841c3e0 | 68 | #define SCM_CONDVARP(x) SCM_TYP16_PREDICATE (scm_tc16_condvar, x) |
b2728432 | 69 | #define SCM_CONDVAR_DATA(x) ((void *) SCM_CELL_WORD_1 (x)) |
7bfd3b9e JB |
70 | |
71 | /* Initialize implementation specific details of the threads support */ | |
7866a09b GB |
72 | void scm_threads_init (SCM_STACKITEM *); |
73 | void scm_threads_mark_stacks (void); | |
74 | void scm_init_threads (SCM_STACKITEM *); | |
7bfd3b9e JB |
75 | |
76 | /* */ | |
7866a09b GB |
77 | SCM scm_threads_make_mutex (void); |
78 | SCM scm_threads_lock_mutex (SCM); | |
79 | SCM scm_threads_unlock_mutex (SCM); | |
80 | SCM scm_threads_monitor (void); | |
7bfd3b9e | 81 | |
df366c26 MD |
82 | SCM scm_spawn_thread (scm_catch_body_t body, void *body_data, |
83 | scm_catch_handler_t handler, void *handler_data); | |
84 | ||
b74f4728 JB |
85 | /* These are versions of the ordinary sleep and usleep functions, |
86 | that play nicely with the thread system. */ | |
dd195c93 MD |
87 | unsigned long scm_thread_sleep (unsigned long); |
88 | unsigned long scm_thread_usleep (unsigned long); | |
b74f4728 JB |
89 | |
90 | ||
6d71500e JB |
91 | /* The C versions of the Scheme-visible thread functions. */ |
92 | #ifdef USE_COOP_THREADS | |
93 | extern SCM scm_single_thread_p (void); | |
94 | #endif | |
95 | extern SCM scm_yield (void); | |
96 | extern SCM scm_call_with_new_thread (SCM argl); | |
97 | extern SCM scm_join_thread (SCM t); | |
98 | extern SCM scm_make_mutex (void); | |
99 | extern SCM scm_lock_mutex (SCM m); | |
100 | extern SCM scm_unlock_mutex (SCM m); | |
101 | extern SCM scm_make_condition_variable (void); | |
102 | extern SCM scm_wait_condition_variable (SCM cond, SCM mutex); | |
103 | extern SCM scm_signal_condition_variable (SCM cond); | |
104 | ||
7bfd3b9e JB |
105 | #ifdef USE_COOP_THREADS |
106 | #include "libguile/coop-defs.h" | |
107 | #endif | |
108 | ||
109 | #endif /* THREADSH */ | |
89e00824 ML |
110 | |
111 | /* | |
112 | Local Variables: | |
113 | c-file-style: "gnu" | |
114 | End: | |
115 | */ |