… | |
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30 | * go to Ralf S. Engelschall <rse@engelschall.com>. |
30 | * go to Ralf S. Engelschall <rse@engelschall.com>. |
31 | * |
31 | * |
32 | * This coroutine library is very much stripped down. You should either |
32 | * This coroutine library is very much stripped down. You should either |
33 | * build your own process avstraction using it or - better - just use GNU |
33 | * build your own process avstraction using it or - better - just use GNU |
34 | * Portable Threads, http://www.gnu.org/software/pth/. |
34 | * Portable Threads, http://www.gnu.org/software/pth/. |
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35 | * |
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36 | * VERSION: 0.1 |
35 | */ |
37 | */ |
36 | |
38 | |
37 | #ifndef CORO_H |
39 | #ifndef CORO_H |
38 | #define CORO_H |
40 | #define CORO_H |
39 | |
41 | |
… | |
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68 | * -DCORO_LOOSE |
70 | * -DCORO_LOOSE |
69 | * |
71 | * |
70 | * Microsoft's highly proprietary platform doesn't support sigaltstack, and |
72 | * Microsoft's highly proprietary platform doesn't support sigaltstack, and |
71 | * this automatically selects a suitable workaround for this platform. |
73 | * this automatically selects a suitable workaround for this platform. |
72 | * (untested) |
74 | * (untested) |
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75 | * |
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76 | * -DCORO_IRIX |
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77 | * |
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78 | * SGI's version of Microsoft's NT ;) |
73 | * |
79 | * |
74 | * If you define neither of these symbols, coro.h will try to autodetect |
80 | * If you define neither of these symbols, coro.h will try to autodetect |
75 | * the model. This currently works for CORO_LOOSE only. For the other |
81 | * the model. This currently works for CORO_LOOSE only. For the other |
76 | * alternatives you should check (e.g. using autoconf) and define the |
82 | * alternatives you should check (e.g. using autoconf) and define the |
77 | * following symbols: HAVE_UCONTEXT_H / HAVE_SETJMP_H / HAVE_SIGALTSTACK. |
83 | * following symbols: HAVE_UCONTEXT_H / HAVE_SETJMP_H / HAVE_SIGALTSTACK. |
… | |
… | |
111 | |
117 | |
112 | /* |
118 | /* |
113 | * That was it. No other user-visible functions are implemented here. |
119 | * That was it. No other user-visible functions are implemented here. |
114 | */ |
120 | */ |
115 | |
121 | |
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122 | /*****************************************************************************/ |
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123 | |
116 | #if !defined(CORO_LOOSE) && !defined(CORO_UCONTEXT) \ |
124 | #if !defined(CORO_LOOSE) && !defined(CORO_UCONTEXT) \ |
117 | && !defined(CORO_SJLJ) && !defined(CORO_LINUX) |
125 | && !defined(CORO_SJLJ) && !defined(CORO_LINUX) \ |
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|
126 | && !defined(CORO_IRIX) |
118 | # if defined(WINDOWS) |
127 | # if defined(WINDOWS) |
119 | # define CORO_LOOSE 1 /* you don't win with windoze */ |
128 | # define CORO_LOOSE 1 /* you don't win with windoze */ |
120 | # elif defined(__linux) && defined(__x86) |
129 | # elif defined(__linux) && defined(__x86) |
121 | # elif defined(HAVE_UCONTEXT_H) |
130 | # elif defined(HAVE_UCONTEXT_H) |
122 | # define CORO_UCONTEXT 1 |
131 | # define CORO_UCONTEXT 1 |
… | |
… | |
125 | # else |
134 | # else |
126 | error unknown or unsupported architecture |
135 | error unknown or unsupported architecture |
127 | # endif |
136 | # endif |
128 | #endif |
137 | #endif |
129 | |
138 | |
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139 | /*****************************************************************************/ |
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140 | |
130 | #if CORO_UCONTEXT |
141 | #if CORO_UCONTEXT |
131 | |
142 | |
132 | #include <ucontext.h> |
143 | #include <ucontext.h> |
133 | |
144 | |
134 | struct coro_context { |
145 | struct coro_context { |
135 | ucontext_t uc; |
146 | ucontext_t uc; |
136 | }; |
147 | }; |
137 | |
148 | |
138 | #define coro_transfer(p,n) swapcontext(&((p)->uc), &((n)->uc)) |
149 | #define coro_transfer(p,n) swapcontext(&((p)->uc), &((n)->uc)) |
139 | |
150 | |
140 | #elif CORO_SJLJ || CORO_LOOSE || CORO_LINUX |
151 | #elif CORO_SJLJ || CORO_LOOSE || CORO_LINUX || CORO_IRIX |
141 | |
152 | |
142 | #include <setjmp.h> |
153 | #include <setjmp.h> |
143 | |
154 | |
144 | struct coro_context { |
155 | struct coro_context { |
145 | jmp_buf env; |
156 | jmp_buf env; |