| … | |
… | |
| 159 | : "m" (next->sp) |
159 | : "m" (next->sp) |
| 160 | ); |
160 | ); |
| 161 | } |
161 | } |
| 162 | #endif |
162 | #endif |
| 163 | |
163 | |
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164 | #if CORO_PTHREAD |
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165 | |
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166 | struct coro_init_args { |
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167 | coro_func func; |
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168 | void *arg; |
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169 | coro_context *self, *main; |
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170 | }; |
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171 | |
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172 | pthread_mutex_t coro_mutex = PTHREAD_MUTEX_INITIALIZER; |
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173 | |
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174 | static void * |
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175 | trampoline (void *args_) |
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176 | { |
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177 | struct coro_init_args *args = (struct coro_init_args *)args_; |
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178 | coro_func func = args->func; |
|
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179 | void *arg = args->arg; |
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180 | |
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181 | pthread_mutex_lock (&coro_mutex); |
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182 | pthread_cond_destroy (&args->self->c); |
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183 | coro_transfer (args->self, args->main); |
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184 | func (arg); |
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185 | pthread_mutex_unlock (&coro_mutex); |
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186 | |
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187 | return 0; |
|
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188 | } |
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189 | |
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190 | void coro_transfer(coro_context *prev, coro_context *next) |
|
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191 | { |
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192 | pthread_cond_init (&prev->c, 0); |
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193 | pthread_cond_signal (&next->c); |
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194 | pthread_cond_wait (&prev->c, &coro_mutex); |
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195 | pthread_cond_destroy (&prev->c); |
|
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196 | } |
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197 | |
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198 | #endif |
|
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199 | |
| 164 | /* initialize a machine state */ |
200 | /* initialize a machine state */ |
| 165 | void coro_create (coro_context *ctx, |
201 | void coro_create (coro_context *ctx, |
| 166 | coro_func coro, void *arg, |
202 | coro_func coro, void *arg, |
| 167 | void *sptr, long ssize) |
203 | void *sptr, long ssize) |
| 168 | { |
204 | { |
| … | |
… | |
| 257 | ((_JUMP_BUFFER *)&ctx->env)->Rsp = (__int64)STACK_ADJUST_PTR (sptr,ssize); |
293 | ((_JUMP_BUFFER *)&ctx->env)->Rsp = (__int64)STACK_ADJUST_PTR (sptr,ssize); |
| 258 | #elif defined(_M_IA64) |
294 | #elif defined(_M_IA64) |
| 259 | ((_JUMP_BUFFER *)&ctx->env)->StIIP = (__int64)coro_init; |
295 | ((_JUMP_BUFFER *)&ctx->env)->StIIP = (__int64)coro_init; |
| 260 | ((_JUMP_BUFFER *)&ctx->env)->IntSp = (__int64)STACK_ADJUST_PTR (sptr,ssize); |
296 | ((_JUMP_BUFFER *)&ctx->env)->IntSp = (__int64)STACK_ADJUST_PTR (sptr,ssize); |
| 261 | #else |
297 | #else |
| 262 | #error "microsoft libc or architecture not supported" |
298 | # error "microsoft libc or architecture not supported" |
| 263 | #endif |
299 | #endif |
| 264 | |
300 | |
| 265 | # elif CORO_LINUX |
301 | # elif CORO_LINUX |
| 266 | |
302 | |
| 267 | _setjmp (ctx->env); |
303 | _setjmp (ctx->env); |
| … | |
… | |
| 296 | |
332 | |
| 297 | # endif |
333 | # endif |
| 298 | |
334 | |
| 299 | coro_transfer ((coro_context *)create_coro, (coro_context *)new_coro); |
335 | coro_transfer ((coro_context *)create_coro, (coro_context *)new_coro); |
| 300 | |
336 | |
|
|
337 | # elif CORO_PTHREAD |
|
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338 | |
|
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339 | pthread_t id; |
|
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340 | pthread_attr_t attr; |
|
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341 | coro_context nctx; |
|
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342 | struct coro_init_args args; |
|
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343 | static int once; |
|
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344 | |
|
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345 | if (!once) |
|
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346 | { |
|
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347 | pthread_mutex_lock (&coro_mutex); |
|
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348 | once = 1; |
|
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349 | } |
|
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350 | |
|
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351 | args.func = coro; |
|
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352 | args.arg = arg; |
|
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353 | args.self = ctx; |
|
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354 | args.main = &nctx; |
|
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355 | |
|
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356 | pthread_attr_init (&attr); |
|
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357 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
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358 | pthread_attr_setstack (&attr, sptr, (size_t)ssize); |
|
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359 | pthread_create (&id, &attr, trampoline, &args); |
|
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360 | |
|
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361 | pthread_cond_init (&args.self->c, 0); |
|
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362 | coro_transfer (args.main, args.self); |
|
|
363 | |
| 301 | #else |
364 | #else |
| 302 | # error unsupported architecture |
365 | # error unsupported backend |
| 303 | #endif |
366 | #endif |
| 304 | } |
367 | } |
| 305 | |
368 | |
