| … | |
… | |
| 36 | */ |
36 | */ |
| 37 | |
37 | |
| 38 | #ifndef CORO_H |
38 | #ifndef CORO_H |
| 39 | #define CORO_H |
39 | #define CORO_H |
| 40 | |
40 | |
| 41 | #define CORO_VERSION 1 |
41 | #define CORO_VERSION 2 |
|
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42 | |
|
|
43 | /* |
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44 | * Changes since API version 1: |
|
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45 | * replaced bogus -DCORO_LOOSE with gramattically more correct -DCORO_LOSER |
|
|
46 | */ |
| 42 | |
47 | |
| 43 | /* |
48 | /* |
| 44 | * This library consists of only three files |
49 | * This library consists of only three files |
| 45 | * coro.h, coro.c and LICENSE (and optionally README) |
50 | * coro.h, coro.c and LICENSE (and optionally README) |
| 46 | * |
51 | * |
| … | |
… | |
| 66 | * -DCORO_LINUX |
71 | * -DCORO_LINUX |
| 67 | * |
72 | * |
| 68 | * Old GNU/Linux systems (<= glibc-2.1) work with this implementation |
73 | * Old GNU/Linux systems (<= glibc-2.1) work with this implementation |
| 69 | * (very fast). |
74 | * (very fast). |
| 70 | * |
75 | * |
| 71 | * -DCORO_LOOSE |
76 | * -DCORO_LOSER |
| 72 | * |
77 | * |
| 73 | * Microsoft's highly proprietary platform doesn't support sigaltstack, and |
78 | * Microsoft's highly proprietary platform doesn't support sigaltstack, and |
| 74 | * this automatically selects a suitable workaround for this platform. |
79 | * this automatically selects a suitable workaround for this platform. |
| 75 | * (untested) |
80 | * (untested) |
| 76 | * |
81 | * |
| 77 | * -DCORO_IRIX |
82 | * -DCORO_IRIX |
| 78 | * |
83 | * |
| 79 | * SGI's version of Microsoft's NT ;) |
84 | * SGI's version of Microsoft's NT ;) |
| 80 | * |
85 | * |
| 81 | * If you define neither of these symbols, coro.h will try to autodetect |
86 | * If you define neither of these symbols, coro.h will try to autodetect |
| 82 | * the model. This currently works for CORO_LOOSE only. For the other |
87 | * the model. This currently works for CORO_LOSER only. For the other |
| 83 | * alternatives you should check (e.g. using autoconf) and define the |
88 | * alternatives you should check (e.g. using autoconf) and define the |
| 84 | * following symbols: HAVE_UCONTEXT_H / HAVE_SETJMP_H / HAVE_SIGALTSTACK. |
89 | * following symbols: HAVE_UCONTEXT_H / HAVE_SETJMP_H / HAVE_SIGALTSTACK. |
| 85 | */ |
90 | */ |
| 86 | |
91 | |
| 87 | /* |
92 | /* |
| … | |
… | |
| 119 | * That was it. No other user-visible functions are implemented here. |
124 | * That was it. No other user-visible functions are implemented here. |
| 120 | */ |
125 | */ |
| 121 | |
126 | |
| 122 | /*****************************************************************************/ |
127 | /*****************************************************************************/ |
| 123 | |
128 | |
| 124 | #if !defined(CORO_LOOSE) && !defined(CORO_UCONTEXT) \ |
129 | #if !defined(CORO_LOSER) && !defined(CORO_UCONTEXT) \ |
| 125 | && !defined(CORO_SJLJ) && !defined(CORO_LINUX) \ |
130 | && !defined(CORO_SJLJ) && !defined(CORO_LINUX) \ |
| 126 | && !defined(CORO_IRIX) |
131 | && !defined(CORO_IRIX) |
| 127 | # if defined(WINDOWS) |
132 | # if defined(WINDOWS) |
| 128 | # define CORO_LOOSE 1 /* you don't win with windoze */ |
133 | # define CORO_LOSER 1 /* you don't win with windoze */ |
| 129 | # elif defined(__linux) && defined(__x86) |
134 | # elif defined(__linux) && defined(__x86) |
| 130 | # elif defined(HAVE_UCONTEXT_H) |
135 | # elif defined(HAVE_UCONTEXT_H) |
| 131 | # define CORO_UCONTEXT 1 |
136 | # define CORO_UCONTEXT 1 |
| 132 | # elif defined(HAVE_SETJMP_H) && defined(HAVE_SIGALTSTACK) |
137 | # elif defined(HAVE_SETJMP_H) && defined(HAVE_SIGALTSTACK) |
| 133 | # define CORO_SJLJ 1 |
138 | # define CORO_SJLJ 1 |
| … | |
… | |
| 146 | ucontext_t uc; |
151 | ucontext_t uc; |
| 147 | }; |
152 | }; |
| 148 | |
153 | |
| 149 | #define coro_transfer(p,n) swapcontext (&((p)->uc), &((n)->uc)) |
154 | #define coro_transfer(p,n) swapcontext (&((p)->uc), &((n)->uc)) |
| 150 | |
155 | |
| 151 | #elif CORO_SJLJ || CORO_LOOSE || CORO_LINUX || CORO_IRIX |
156 | #elif CORO_SJLJ || CORO_LOSER || CORO_LINUX || CORO_IRIX |
| 152 | |
157 | |
| 153 | #if defined(CORO_LINUX) && !defined(_GNU_SOURCE) |
158 | #if defined(CORO_LINUX) && !defined(_GNU_SOURCE) |
| 154 | # define _GNU_SOURCE // for linux libc |
159 | # define _GNU_SOURCE // for linux libc |
| 155 | #endif |
160 | #endif |
| 156 | |
161 | |
