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[svn r136] MAJOR UNSTABLE UPDATE!!! Initial commit after moving to Tango instead of Phobos. Lots of bugfixes... This build is not suitable for most things.
author lindquist
date Fri, 11 Jan 2008 17:57:40 +0100
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131:5825d48b27d1 132:1700239cab2e
1 /**
2 * D header file for POSIX.
3 *
4 * Copyright: Public Domain
5 * License: Public Domain
6 * Authors: Sean Kelly
7 * Standards: The Open Group Base Specifications Issue 6, IEEE Std 1003.1, 2004 Edition
8 */
9 module tango.stdc.posix.ucontext;
10
11 private import tango.stdc.posix.config;
12 public import tango.stdc.posix.signal; // for sigset_t, stack_t
13
14 extern (C):
15
16 //
17 // XOpen (XSI)
18 //
19 /*
20 mcontext_t
21
22 struct ucontext_t
23 {
24 ucontext_t* uc_link;
25 sigset_t uc_sigmask;
26 stack_t uc_stack;
27 mcontext_t uc_mcontext;
28 }
29 */
30
31 version( linux )
32 {
33
34 version( X86_64 )
35 {
36 private
37 {
38 struct _libc_fpxreg
39 {
40 ushort[4] significand;
41 ushort exponent;
42 ushort[3] padding;
43 }
44
45 struct _libc_xmmreg
46 {
47 uint[4] element;
48 }
49
50 struct _libc_fpstate
51 {
52 ushort cwd;
53 ushort swd;
54 ushort ftw;
55 ushort fop;
56 ulong rip;
57 ulong rdp;
58 uint mxcsr;
59 uint mxcr_mask;
60 _libc_fpxreg[8] _st;
61 _libc_xmmreg[16] _xmm;
62 uint[24] padding;
63 }
64
65 const NGREG = 23;
66
67 alias c_long greg_t;
68 alias greg_t[NGREG] gregset_t;
69 alias _libc_fpstate* fpregset_t;
70 }
71
72 struct mcontext_t
73 {
74 gregset_t gregs;
75 fpregset_t fpregs;
76 c_ulong[8] __reserved1;
77 }
78 }
79 else version( X86 )
80 {
81 private
82 {
83 struct _libc_fpreg
84 {
85 ushort[4] significand;
86 ushort exponent;
87 }
88
89 struct _libc_fpstate
90 {
91 c_ulong cw;
92 c_ulong sw;
93 c_ulong tag;
94 c_ulong ipoff;
95 c_ulong cssel;
96 c_ulong dataoff;
97 c_ulong datasel;
98 _libc_fpreg[8] _st;
99 c_ulong status;
100 }
101
102 const NGREG = 19;
103
104 alias int greg_t;
105 alias greg_t[NGREG] gregset_t;
106 alias _libc_fpstate* fpregset_t;
107 }
108
109 struct mcontext_t
110 {
111 gregset_t gregs;
112 fpregset_t fpregs;
113 c_ulong oldmask;
114 c_ulong cr2;
115 }
116
117 struct ucontext_t
118 {
119 c_ulong uc_flags;
120 ucontext_t* uc_link;
121 stack_t uc_stack;
122 mcontext_t uc_mcontext;
123 sigset_t uc_sigmask;
124 _libc_fpstate __fpregs_mem;
125 }
126 }
127 }
128
129 //
130 // Obsolescent (OB)
131 //
132 /*
133 int getcontext(ucontext_t*);
134 void makecontext(ucontext_t*, void function(), int, ...);
135 int setcontext(ucontext_t*);
136 int swapcontext(ucontext_t*, ucontext_t*);
137 */
138
139 static if( is( typeof( ucontext_t ) ) )
140 {
141 int getcontext(ucontext_t*);
142 void makecontext(ucontext_t*, void function(), int, ...);
143 int setcontext(ucontext_t*);
144 int swapcontext(ucontext_t*, ucontext_t*);
145 }