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100 | |
100 | |
101 | /* trampoline signal handler */ |
101 | /* trampoline signal handler */ |
102 | static void |
102 | static void |
103 | trampoline (int sig) |
103 | trampoline (int sig) |
104 | { |
104 | { |
105 | if ( |
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106 | #if _XOPEN_UNIX > 0 |
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107 | _setjmp (new_coro->env) |
105 | if (coro_setjmp (new_coro->env)) |
108 | #else |
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109 | sigsetjmp (new_coro->env, 0) |
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110 | #endif |
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111 | ) { |
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112 | coro_init (); /* start it */ |
106 | coro_init (); /* start it */ |
113 | } |
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114 | else |
107 | else |
115 | trampoline_done = 1; |
108 | trampoline_done = 1; |
116 | } |
109 | } |
117 | |
110 | |
118 | # endif |
111 | # endif |
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229 | sigaction (SIGUSR2, &osa, 0); |
222 | sigaction (SIGUSR2, &osa, 0); |
230 | sigprocmask (SIG_SETMASK, &osig, 0); |
223 | sigprocmask (SIG_SETMASK, &osig, 0); |
231 | |
224 | |
232 | # elif CORO_LOSER |
225 | # elif CORO_LOSER |
233 | |
226 | |
234 | setjmp (ctx->env); |
227 | coro_setjmp (ctx->env); |
235 | #if __CYGWIN__ |
228 | #if __CYGWIN__ |
236 | ctx->env[7] = (long)((char *)sptr + ssize) - sizeof (long); |
229 | ctx->env[7] = (long)((char *)sptr + ssize) - sizeof (long); |
237 | ctx->env[8] = (long)coro_init; |
230 | ctx->env[8] = (long)coro_init; |
238 | #elif defined(_M_IX86) |
231 | #elif defined(_M_IX86) |
239 | ((_JUMP_BUFFER *)&ctx->env)->Eip = (long)coro_init; |
232 | ((_JUMP_BUFFER *)&ctx->env)->Eip = (long)coro_init; |
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248 | #error "microsoft libc or architecture not supported" |
241 | #error "microsoft libc or architecture not supported" |
249 | #endif |
242 | #endif |
250 | |
243 | |
251 | # elif CORO_LINUX |
244 | # elif CORO_LINUX |
252 | |
245 | |
253 | _setjmp (ctx->env); |
246 | coro_setjmp (ctx->env); |
254 | #if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (JB_PC) && defined (JB_SP) |
247 | #if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (JB_PC) && defined (JB_SP) |
255 | ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; |
248 | ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; |
256 | ctx->env[0].__jmpbuf[JB_SP] = (long)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
249 | ctx->env[0].__jmpbuf[JB_SP] = (long)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
257 | #elif __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (__mc68000__) |
250 | #elif __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (__mc68000__) |
258 | ctx->env[0].__jmpbuf[0].__aregs[0] = (long int)coro_init; |
251 | ctx->env[0].__jmpbuf[0].__aregs[0] = (long int)coro_init; |
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267 | #error "linux libc or architecture not supported" |
260 | #error "linux libc or architecture not supported" |
268 | #endif |
261 | #endif |
269 | |
262 | |
270 | # elif CORO_IRIX |
263 | # elif CORO_IRIX |
271 | |
264 | |
272 | sigsetjmp (ctx->env, 0); |
265 | coro_setjmp (ctx->env, 0); |
273 | ctx->env[JB_PC] = (__uint64_t)coro_init; |
266 | ctx->env[JB_PC] = (__uint64_t)coro_init; |
274 | ctx->env[JB_SP] = (__uint64_t)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
267 | ctx->env[JB_SP] = (__uint64_t)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
275 | |
268 | |
276 | # elif CORO_ASM |
269 | # elif CORO_ASM |
277 | |
270 | |
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341 | void |
334 | void |
342 | coro_transfer (coro_context *prev, coro_context *next) |
335 | coro_transfer (coro_context *prev, coro_context *next) |
343 | { |
336 | { |
344 | pthread_cond_signal (&next->cv); |
337 | pthread_cond_signal (&next->cv); |
345 | pthread_cond_wait (&prev->cv, &coro_mutex); |
338 | pthread_cond_wait (&prev->cv, &coro_mutex); |
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339 | #if __FreeBSD__ /* freebsd is of course broken and needs manual testcancel calls... yay... */ |
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340 | pthread_testcancel (); |
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341 | #endif |
346 | } |
342 | } |
347 | |
343 | |
348 | void |
344 | void |
349 | coro_create (coro_context *ctx, coro_func coro, void *arg, void *sptr, long ssize) |
345 | coro_create (coro_context *ctx, coro_func coro, void *arg, void *sptr, long ssize) |
350 | { |
346 | { |