Commit | Line | Data |
---|---|---|
0f2d19dd JB |
1 | /* classes: h_files */ |
2 | ||
0527e687 DH |
3 | #ifndef SCM_DYNWIND_H |
4 | #define SCM_DYNWIND_H | |
5 | ||
4845bbae | 6 | /* Copyright (C) 1995,1996,1998,1999,2000,2003,2004 Free Software Foundation, Inc. |
0527e687 | 7 | * |
73be1d9e MV |
8 | * This library is free software; you can redistribute it and/or |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License as published by the Free Software Foundation; either | |
11 | * version 2.1 of the License, or (at your option) any later version. | |
0527e687 | 12 | * |
73be1d9e | 13 | * This library is distributed in the hope that it will be useful, |
0f2d19dd | 14 | * but 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 | |
92205699 | 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
73be1d9e | 21 | */ |
0527e687 | 22 | |
0f2d19dd | 23 | \f |
0527e687 | 24 | |
b4309c3c | 25 | #include "libguile/__scm.h" |
0f2d19dd JB |
26 | |
27 | \f | |
0f2d19dd | 28 | |
92c2555f MV |
29 | typedef void (*scm_t_guard) (void *); |
30 | typedef SCM (*scm_t_inner) (void *); | |
3346a90f | 31 | |
33b001fd MV |
32 | SCM_API SCM scm_dynamic_wind (SCM thunk1, SCM thunk2, SCM thunk3); |
33 | SCM_API SCM scm_internal_dynamic_wind (scm_t_guard before, | |
34 | scm_t_inner inner, | |
35 | scm_t_guard after, | |
36 | void *inner_data, | |
37 | void *guard_data); | |
38 | SCM_API void scm_dowinds (SCM to, long delta); | |
14578fa4 | 39 | SCM_API void scm_i_dowinds (SCM to, long delta, |
4845bbae | 40 | void (*turn_func) (void *), void *data); |
33b001fd | 41 | SCM_API void scm_init_dynwind (void); |
0f2d19dd | 42 | |
33b001fd | 43 | SCM_API void scm_swap_bindings (SCM vars, SCM vals); |
2e171178 | 44 | |
4845bbae MV |
45 | typedef enum { |
46 | SCM_F_FRAME_REWINDABLE = (1 << 0) | |
47 | } scm_t_frame_flags; | |
48 | ||
49 | typedef enum { | |
62f3c095 | 50 | SCM_F_WIND_EXPLICITLY = (1 << 0) |
4845bbae MV |
51 | } scm_t_wind_flags; |
52 | ||
0888de4f MV |
53 | SCM_API void scm_frame_begin (scm_t_frame_flags); |
54 | SCM_API void scm_frame_end (void); | |
55 | ||
16c5cac2 MV |
56 | SCM_API void scm_frame_unwind_handler (void (*func) (void *), void *data, |
57 | scm_t_wind_flags); | |
58 | SCM_API void scm_frame_rewind_handler (void (*func) (void *), void *data, | |
59 | scm_t_wind_flags); | |
60 | ||
61 | SCM_API void scm_frame_unwind_handler_with_scm (void (*func) (SCM), SCM data, | |
62 | scm_t_wind_flags); | |
63 | SCM_API void scm_frame_rewind_handler_with_scm (void (*func) (SCM), SCM data, | |
64 | scm_t_wind_flags); | |
62f3c095 | 65 | |
6d5649b7 MV |
66 | SCM_API void scm_frame_free (void *mem); |
67 | ||
f3667f52 | 68 | #ifdef GUILE_DEBUG |
33b001fd | 69 | SCM_API SCM scm_wind_chain (void); |
f3667f52 JB |
70 | #endif /*GUILE_DEBUG*/ |
71 | ||
0527e687 | 72 | #endif /* SCM_DYNWIND_H */ |
89e00824 ML |
73 | |
74 | /* | |
75 | Local Variables: | |
76 | c-file-style: "gnu" | |
77 | End: | |
78 | */ |