1.0.25.30: INTERRUPT-THREAD without RT signals
[sbcl.git] / src / runtime / globals.c
1 /*
2  * variables everybody needs to look at or frob on
3  */
4
5 /*
6  * This software is part of the SBCL system. See the README file for
7  * more information.
8  *
9  * This software is derived from the CMU CL system, which was
10  * written at Carnegie Mellon University and released into the
11  * public domain. The software is in the public domain and is
12  * provided with absolutely no warranty. See the COPYING and CREDITS
13  * files for more information.
14  */
15
16 #include <stdio.h>
17 #include <sys/types.h>
18 #include <unistd.h>
19
20 #include "sbcl.h"
21 #include "runtime.h"
22 #include "globals.h"
23 #include "validate.h"
24
25 #ifdef FOREIGN_FUNCTION_CALL_FLAG
26 int foreign_function_call_active;
27 #endif
28
29 lispobj *current_control_stack_pointer;
30 lispobj *current_control_frame_pointer;
31 #ifndef BINDING_STACK_POINTER
32 lispobj *current_binding_stack_pointer;
33 #endif
34
35 /* ALLOCATION_POINTER is x86 or RT.  Anyone want to do an RT port?   */
36
37 # if !defined(LISP_FEATURE_X86) && !defined(LISP_FEATURE_X86_64)
38 /* The Object Formerly Known As current_dynamic_space_free_pointer */
39 lispobj *dynamic_space_free_pointer;
40 #endif
41
42 #ifndef LISP_FEATURE_GENCGC /* GENCGC has its own way to record trigger */
43 lispobj *current_auto_gc_trigger;
44 #endif
45
46 /* For copying GCs, this points to the start of the dynamic space
47  * currently in use (that will become the from_space when the next GC
48  * is done).  For the GENCGC, it always points to DYNAMIC_SPACE_START. */
49 lispobj *current_dynamic_space;
50
51 #if defined(LISP_FEATURE_SB_THREAD) && !defined(LISP_FEATURE_GCC_TLS)
52 pthread_key_t specials=0;
53 #endif
54
55 void globals_init(void)
56 {
57     /* Space, stack, and free pointer vars are initialized by
58      * validate() and coreparse(). */
59     current_control_frame_pointer = (lispobj *)0;
60
61 #ifndef LISP_FEATURE_GENCGC
62     /* no GC trigger yet */
63     current_auto_gc_trigger = NULL;
64 #endif
65
66 #ifdef FOREIGN_FUNCTION_CALL_FLAG
67     foreign_function_call_active = 1;
68 #endif
69
70 #if defined(LISP_FEATURE_SB_THREAD) && !defined(LISP_FEATURE_GCC_TLS)
71     pthread_key_create(&specials,0);
72 #endif
73 }