Commit | Line | Data |
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0f2d19dd JB |
1 | /* classes: h_files */ |
2 | ||
0527e687 DH |
3 | #ifndef SCM_DYNWIND_H |
4 | #define SCM_DYNWIND_H | |
5 | ||
102dbb6f | 6 | /* Copyright (C) 1995,1996,1998,1999,2000,2003,2004, 2006, 2008 Free Software Foundation, Inc. |
0527e687 | 7 | * |
73be1d9e | 8 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
9 | * modify it under the terms of the GNU Lesser General Public License |
10 | * as published by the Free Software Foundation; either version 3 of | |
11 | * the License, or (at your option) any later version. | |
0527e687 | 12 | * |
53befeb7 NJ |
13 | * This library is distributed in the hope that it will be useful, but |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
73be1d9e MV |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
16 | * Lesser General Public License for more details. | |
0527e687 | 17 | * |
73be1d9e MV |
18 | * You should have received a copy of the GNU Lesser General Public |
19 | * License along with this library; if not, write to the Free Software | |
53befeb7 NJ |
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
21 | * 02110-1301 USA | |
73be1d9e | 22 | */ |
0527e687 | 23 | |
0f2d19dd | 24 | \f |
0527e687 | 25 | |
b4309c3c | 26 | #include "libguile/__scm.h" |
0f2d19dd JB |
27 | |
28 | \f | |
0f2d19dd | 29 | |
92c2555f MV |
30 | typedef void (*scm_t_guard) (void *); |
31 | typedef SCM (*scm_t_inner) (void *); | |
3346a90f | 32 | |
33b001fd MV |
33 | SCM_API SCM scm_dynamic_wind (SCM thunk1, SCM thunk2, SCM thunk3); |
34 | SCM_API SCM scm_internal_dynamic_wind (scm_t_guard before, | |
35 | scm_t_inner inner, | |
36 | scm_t_guard after, | |
37 | void *inner_data, | |
38 | void *guard_data); | |
39 | SCM_API void scm_dowinds (SCM to, long delta); | |
102dbb6f LC |
40 | SCM_INTERNAL void scm_i_dowinds (SCM to, long delta, |
41 | void (*turn_func) (void *), void *data); | |
42 | SCM_INTERNAL void scm_init_dynwind (void); | |
0f2d19dd | 43 | |
33b001fd | 44 | SCM_API void scm_swap_bindings (SCM vars, SCM vals); |
2e171178 | 45 | |
4845bbae | 46 | typedef enum { |
661ae7ab MV |
47 | SCM_F_DYNWIND_REWINDABLE = (1 << 0) |
48 | } scm_t_dynwind_flags; | |
4845bbae MV |
49 | |
50 | typedef enum { | |
62f3c095 | 51 | SCM_F_WIND_EXPLICITLY = (1 << 0) |
4845bbae MV |
52 | } scm_t_wind_flags; |
53 | ||
661ae7ab MV |
54 | SCM_API void scm_dynwind_begin (scm_t_dynwind_flags); |
55 | SCM_API void scm_dynwind_end (void); | |
0888de4f | 56 | |
661ae7ab MV |
57 | SCM_API void scm_dynwind_unwind_handler (void (*func) (void *), void *data, |
58 | scm_t_wind_flags); | |
59 | SCM_API void scm_dynwind_rewind_handler (void (*func) (void *), void *data, | |
60 | scm_t_wind_flags); | |
16c5cac2 | 61 | |
661ae7ab MV |
62 | SCM_API void scm_dynwind_unwind_handler_with_scm (void (*func) (SCM), SCM data, |
63 | scm_t_wind_flags); | |
64 | SCM_API void scm_dynwind_rewind_handler_with_scm (void (*func) (SCM), SCM data, | |
65 | scm_t_wind_flags); | |
62f3c095 | 66 | |
661ae7ab | 67 | SCM_API void scm_dynwind_free (void *mem); |
6d5649b7 | 68 | |
f3667f52 | 69 | #ifdef GUILE_DEBUG |
33b001fd | 70 | SCM_API SCM scm_wind_chain (void); |
f3667f52 JB |
71 | #endif /*GUILE_DEBUG*/ |
72 | ||
0527e687 | 73 | #endif /* SCM_DYNWIND_H */ |
89e00824 ML |
74 | |
75 | /* | |
76 | Local Variables: | |
77 | c-file-style: "gnu" | |
78 | End: | |
79 | */ |