| … | |
… | |
| 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; |
| … | |
… | |
| 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; |
| … | |
… | |
| 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; |
|
|
159 | |
|
|
160 | # elif CORO_LINUX |
|
|
161 | |
|
|
162 | setjmp (ctx->env); |
|
|
163 | #if defined(__GLIBC__) && defined(__GLIBC_MINOR__) \ |
|
|
164 | && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined(JB_PC) && defined(JB_SP) |
|
|
165 | ctx->env[0].__jmpbuf[JB_PC] = (int)coro_init; |
|
|
166 | ctx->env[0].__jmpbuf[JB_SP] = (int)((char *)sptr + ssize); |
|
|
167 | #elif defined(__GLIBC__) && defined(__GLIBC_MINOR__) \ |
|
|
168 | && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined(__mc68000__) |
|
|
169 | ctx->env[0].__jmpbuf[0].__aregs[0] = (long int)coro_init; |
|
|
170 | ctx->env[0].__jmpbuf[0].__sp = (int *)((char *)sptr + ssize); |
|
|
171 | #elif defined(__GNU_LIBRARY__) && defined(__i386__) |
|
|
172 | ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init; |
|
|
173 | ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize); |
|
|
174 | #else |
|
|
175 | #error "Unsupported Linux (g)libc version and/or platform" |
|
|
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 | |
