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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 | |
32 | |
33 | #include "coro.h" |
33 | #include "coro.h" |
34 | |
34 | |
35 | #if CORO_LOOSE || CORO_SJLJ |
35 | #if CORO_LOOSE || CORO_SJLJ || CORO_LINUX |
36 | |
36 | |
37 | #include <signal.h> |
37 | #include <signal.h> |
38 | |
38 | |
39 | static volatile coro_func coro_init_func; |
39 | static volatile coro_func coro_init_func; |
40 | static volatile void *coro_init_arg; |
40 | static volatile void *coro_init_arg; |
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89 | ctx->uc.uc_stack.ss_size = (size_t) ssize; |
89 | ctx->uc.uc_stack.ss_size = (size_t) ssize; |
90 | ctx->uc.uc_stack.ss_flags = 0; |
90 | ctx->uc.uc_stack.ss_flags = 0; |
91 | |
91 | |
92 | makecontext (&(ctx->uc), (void (*)()) coro, 1, arg); |
92 | makecontext (&(ctx->uc), (void (*)()) coro, 1, arg); |
93 | |
93 | |
94 | #elif CORO_SJLJ || CORO_LOOSE |
94 | #elif CORO_SJLJ || CORO_LOOSE || CORO_LINUX |
95 | |
95 | |
96 | # if CORO_SJLJ |
96 | # if CORO_SJLJ |
97 | stack_t ostk, nstk; |
97 | stack_t ostk, nstk; |
98 | struct sigaction osa, nsa; |
98 | struct sigaction osa, nsa; |
99 | sigset_t nsig, osig; |
99 | sigset_t nsig, osig; |
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149 | |
149 | |
150 | sigaction (SIGUSR1, &osa, 0); |
150 | sigaction (SIGUSR1, &osa, 0); |
151 | |
151 | |
152 | sigprocmask (SIG_SETMASK, &osig, 0); |
152 | sigprocmask (SIG_SETMASK, &osig, 0); |
153 | |
153 | |
154 | # elif MS_LOOSE |
154 | # elif CORO_LOOSE |
155 | |
155 | |
156 | coro_save (ctx); |
156 | setjmp (ctx->env); |
157 | ctx->env[7] = (int)((char *)sptr + ssize); |
157 | ctx->env[7] = (int)((char *)sptr + ssize); |
158 | ctx->env[8] = (int)coro; |
158 | ctx->env[8] = (int)coro_init; |
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159 | |
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160 | # elif CORO_LINUX |
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161 | |
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162 | setjmp (ctx->env); |
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163 | #if defined(__GLIBC__) && defined(__GLIBC_MINOR__) \ |
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164 | && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined(JB_PC) && defined(JB_SP) |
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165 | ctx->env[0].__jmpbuf[JB_PC] = (int)coro_init; |
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166 | ctx->env[0].__jmpbuf[JB_SP] = (int)((char *)sptr + ssize); |
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167 | #elif defined(__GLIBC__) && defined(__GLIBC_MINOR__) \ |
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168 | && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined(__mc68000__) |
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169 | ctx->env[0].__jmpbuf[0].__aregs[0] = (long int)coro_init; |
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170 | ctx->env[0].__jmpbuf[0].__sp = (int *)((char *)sptr + ssize); |
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171 | #elif defined(__GNU_LIBRARY__) && defined(__i386__) |
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172 | ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init; |
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173 | ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize); |
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174 | #else |
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175 | #error "Unsupported Linux (g)libc version and/or platform" |
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176 | #endif |
159 | |
177 | |
160 | # endif |
178 | # endif |
161 | |
179 | |
162 | coro_transfer ((coro_context *)create_coro, (coro_context *)new_coro); |
180 | coro_transfer ((coro_context *)create_coro, (coro_context *)new_coro); |
163 | |
181 | |