1 | /* |
1 | /* |
2 | * Copyright (c) 2001-2005 Marc Alexander Lehmann <schmorp@schmorp.de> |
2 | * Copyright (c) 2001-2008 Marc Alexander Lehmann <schmorp@schmorp.de> |
3 | * |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without modifica- |
4 | * Redistribution and use in source and binary forms, with or without modifica- |
5 | * tion, are permitted provided that the following conditions are met: |
5 | * tion, are permitted provided that the following conditions are met: |
6 | * |
6 | * |
7 | * 1. Redistributions of source code must retain the above copyright notice, |
7 | * 1. Redistributions of source code must retain the above copyright notice, |
8 | * this list of conditions and the following disclaimer. |
8 | * this list of conditions and the following disclaimer. |
9 | * |
9 | * |
10 | * 2. Redistributions in binary form must reproduce the above copyright |
10 | * 2. Redistributions in binary form must reproduce the above copyright |
11 | * notice, this list of conditions and the following disclaimer in the |
11 | * notice, this list of conditions and the following disclaimer in the |
12 | * documentation and/or other materials provided with the distribution. |
12 | * documentation and/or other materials provided with the distribution. |
13 | * |
|
|
14 | * 3. The name of the author may not be used to endorse or promote products |
|
|
15 | * derived from this software without specific prior written permission. |
|
|
16 | * |
13 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
15 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
16 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
17 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
… | |
… | |
23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
20 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
21 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
22 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
23 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | * |
24 | * |
|
|
25 | * Alternatively, the contents of this file may be used under the terms of |
|
|
26 | * the GNU General Public License ("GPL") version 2 or any later version, |
|
|
27 | * in which case the provisions of the GPL are applicable instead of |
|
|
28 | * the above. If you wish to allow the use of your version of this file |
|
|
29 | * only under the terms of the GPL and not to allow others to use your |
|
|
30 | * version of this file under the BSD license, indicate your decision |
|
|
31 | * by deleting the provisions above and replace them with the notice |
|
|
32 | * and other provisions required by the GPL. If you do not delete the |
|
|
33 | * provisions above, a recipient may use your version of this file under |
|
|
34 | * either the BSD or the GPL. |
|
|
35 | * |
28 | * This library is modelled strictly after Ralf S. Engelschalls article at |
36 | * This library is modelled strictly after Ralf S. Engelschalls article at |
29 | * http://www.gnu.org/software/pth/rse-pmt.ps. So most of the credit must |
37 | * http://www.gnu.org/software/pth/rse-pmt.ps. So most of the credit must |
30 | * go to Ralf S. Engelschall <rse@engelschall.com>. |
38 | * go to Ralf S. Engelschall <rse@engelschall.com>. |
31 | */ |
39 | */ |
32 | |
40 | |
33 | #include "coro.h" |
41 | #include "coro.h" |
34 | |
42 | |
35 | #if !defined(STACK_ADJUST_PTR) |
43 | #if !defined(STACK_ADJUST_PTR) |
36 | /* IRIX is decidedly NON-unix */ |
44 | /* IRIX is decidedly NON-unix */ |
37 | # if __sgi |
45 | # if __sgi |
38 | # define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss) - 8) |
46 | # define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss) - 8) |
39 | # define STACK_ADJUST_SIZE(sp,ss) ((ss) - 8) |
47 | # define STACK_ADJUST_SIZE(sp,ss) ((ss) - 8) |
40 | # elif __i386__ && CORO_LINUX |
48 | # elif (__i386__ && CORO_LINUX) || (_M_IX86 && CORO_LOSER) |
41 | # define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss)) |
49 | # define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss)) |
|
|
50 | # define STACK_ADJUST_SIZE(sp,ss) (ss) |
|
|
51 | # elif (__amd64__ && CORO_LINUX) || ((_M_AMD64 || _M_IA64) && CORO_LOSER) |
|
|
52 | # define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss) - 8) |
42 | # define STACK_ADJUST_SIZE(sp,ss) (ss) |
53 | # define STACK_ADJUST_SIZE(sp,ss) (ss) |
43 | # else |
54 | # else |
44 | # define STACK_ADJUST_PTR(sp,ss) (sp) |
55 | # define STACK_ADJUST_PTR(sp,ss) (sp) |
45 | # define STACK_ADJUST_SIZE(sp,ss) (ss) |
56 | # define STACK_ADJUST_SIZE(sp,ss) (ss) |
46 | # endif |
57 | # endif |
47 | #endif |
58 | #endif |
48 | |
59 | |
|
|
60 | #if CORO_UCONTEXT |
|
|
61 | # include <stddef.h> |
|
|
62 | #endif |
|
|
63 | |
49 | #if CORO_SJLJ || CORO_LOSER || CORO_LINUX || CORO_IRIX |
64 | #if CORO_SJLJ || CORO_LOSER || CORO_LINUX || CORO_IRIX || CORO_ASM |
50 | |
65 | |
51 | #include <stdlib.h> |
66 | #include <stdlib.h> |
52 | |
67 | |
53 | #if CORO_SJLJ |
68 | #if CORO_SJLJ |
54 | # include <stdio.h> |
69 | # include <stdio.h> |
… | |
… | |
58 | |
73 | |
59 | static volatile coro_func coro_init_func; |
74 | static volatile coro_func coro_init_func; |
60 | static volatile void *coro_init_arg; |
75 | static volatile void *coro_init_arg; |
61 | static volatile coro_context *new_coro, *create_coro; |
76 | static volatile coro_context *new_coro, *create_coro; |
62 | |
77 | |
|
|
78 | /* what we really want to detect here is wether we use a new-enough version of GAS */ |
|
|
79 | /* instead, check for gcc 3, ELF and GNU/Linux and hope for the best */ |
|
|
80 | #if __GNUC__ >= 3 && __ELF__ && __linux__ |
|
|
81 | # define HAVE_CFI 1 |
|
|
82 | #endif |
|
|
83 | |
63 | static void |
84 | static void |
64 | coro_init (void) |
85 | coro_init (void) |
65 | { |
86 | { |
66 | volatile coro_func func = coro_init_func; |
87 | volatile coro_func func = coro_init_func; |
67 | volatile void *arg = coro_init_arg; |
88 | volatile void *arg = coro_init_arg; |
… | |
… | |
81 | /* trampoline signal handler */ |
102 | /* trampoline signal handler */ |
82 | static void |
103 | static void |
83 | trampoline (int sig) |
104 | trampoline (int sig) |
84 | { |
105 | { |
85 | if (setjmp (((coro_context *)new_coro)->env)) |
106 | if (setjmp (((coro_context *)new_coro)->env)) |
|
|
107 | { |
|
|
108 | #if HAVE_CFI |
|
|
109 | asm (".cfi_startproc"); |
|
|
110 | #endif |
86 | coro_init (); /* start it */ |
111 | coro_init (); /* start it */ |
|
|
112 | #if HAVE_CFI |
|
|
113 | asm (".cfi_endproc"); |
|
|
114 | #endif |
|
|
115 | } |
87 | else |
116 | else |
88 | trampoline_count++; |
117 | trampoline_count++; |
89 | } |
118 | } |
90 | |
119 | |
91 | # endif |
120 | # endif |
92 | |
121 | |
93 | #endif |
122 | #endif |
94 | |
123 | |
|
|
124 | #if CORO_ASM |
|
|
125 | asm ( |
|
|
126 | ".text\n" |
|
|
127 | ".globl coro_transfer\n" |
|
|
128 | ".type coro_transfer, @function\n" |
|
|
129 | "coro_transfer:\n" |
|
|
130 | #if __amd64 |
|
|
131 | # define NUM_SAVED 5 |
|
|
132 | "\tpush %rbx\n" |
|
|
133 | "\tpush %r12\n" |
|
|
134 | "\tpush %r13\n" |
|
|
135 | "\tpush %r14\n" |
|
|
136 | "\tpush %r15\n" |
|
|
137 | "\tmov %rsp, (%rdi)\n" |
|
|
138 | "\tmov (%rsi), %rsp\n" |
|
|
139 | "\tpop %r15\n" |
|
|
140 | "\tpop %r14\n" |
|
|
141 | "\tpop %r13\n" |
|
|
142 | "\tpop %r12\n" |
|
|
143 | "\tpop %rbx\n" |
|
|
144 | #elif __i386 |
|
|
145 | # define NUM_SAVED 4 |
|
|
146 | "\tpush %ebx\n" |
|
|
147 | "\tpush %esi\n" |
|
|
148 | "\tpush %edi\n" |
|
|
149 | "\tpush %ebp\n" |
|
|
150 | "\tmov %esp, (%eax)\n" |
|
|
151 | "\tmov (%edx), %esp\n" |
|
|
152 | "\tpop %ebp\n" |
|
|
153 | "\tpop %edi\n" |
|
|
154 | "\tpop %esi\n" |
|
|
155 | "\tpop %ebx\n" |
|
|
156 | #else |
|
|
157 | # error unsupported architecture |
|
|
158 | #endif |
|
|
159 | "\tret\n" |
|
|
160 | ); |
|
|
161 | #endif |
|
|
162 | |
|
|
163 | #if CORO_PTHREAD |
|
|
164 | |
|
|
165 | struct coro_init_args { |
|
|
166 | coro_func func; |
|
|
167 | void *arg; |
|
|
168 | coro_context *self, *main; |
|
|
169 | }; |
|
|
170 | |
|
|
171 | pthread_mutex_t coro_mutex = PTHREAD_MUTEX_INITIALIZER; |
|
|
172 | |
|
|
173 | static void * |
|
|
174 | trampoline (void *args_) |
|
|
175 | { |
|
|
176 | struct coro_init_args *args = (struct coro_init_args *)args_; |
|
|
177 | coro_func func = args->func; |
|
|
178 | void *arg = args->arg; |
|
|
179 | |
|
|
180 | pthread_mutex_lock (&coro_mutex); |
|
|
181 | pthread_cond_destroy (&args->self->c); |
|
|
182 | coro_transfer (args->self, args->main); |
|
|
183 | func (arg); |
|
|
184 | pthread_mutex_unlock (&coro_mutex); |
|
|
185 | |
|
|
186 | return 0; |
|
|
187 | } |
|
|
188 | |
|
|
189 | asm(""); |
|
|
190 | |
|
|
191 | void coro_transfer(coro_context *prev, coro_context *next) |
|
|
192 | { |
|
|
193 | pthread_cond_init (&prev->c, 0); |
|
|
194 | pthread_cond_signal (&next->c); |
|
|
195 | pthread_cond_wait (&prev->c, &coro_mutex); |
|
|
196 | pthread_cond_destroy (&prev->c); |
|
|
197 | } |
|
|
198 | |
|
|
199 | #endif |
|
|
200 | |
95 | /* initialize a machine state */ |
201 | /* initialize a machine state */ |
96 | void coro_create(coro_context *ctx, |
202 | void coro_create (coro_context *ctx, |
97 | coro_func coro, void *arg, |
203 | coro_func coro, void *arg, |
98 | void *sptr, long ssize) |
204 | void *sptr, long ssize) |
99 | { |
205 | { |
100 | #if CORO_UCONTEXT |
206 | #if CORO_UCONTEXT |
101 | |
207 | |
102 | getcontext (&(ctx->uc)); |
208 | getcontext (&(ctx->uc)); |
103 | |
209 | |
… | |
… | |
106 | ctx->uc.uc_stack.ss_size = (size_t) STACK_ADJUST_SIZE (sptr,ssize); |
212 | ctx->uc.uc_stack.ss_size = (size_t) STACK_ADJUST_SIZE (sptr,ssize); |
107 | ctx->uc.uc_stack.ss_flags = 0; |
213 | ctx->uc.uc_stack.ss_flags = 0; |
108 | |
214 | |
109 | makecontext (&(ctx->uc), (void (*)()) coro, 1, arg); |
215 | makecontext (&(ctx->uc), (void (*)()) coro, 1, arg); |
110 | |
216 | |
111 | #elif CORO_SJLJ || CORO_LOSER || CORO_LINUX || CORO_IRIX |
217 | #elif CORO_SJLJ || CORO_LOSER || CORO_LINUX || CORO_IRIX || CORO_ASM |
112 | |
218 | |
113 | # if CORO_SJLJ |
219 | # if CORO_SJLJ |
114 | stack_t ostk, nstk; |
220 | stack_t ostk, nstk; |
115 | struct sigaction osa, nsa; |
221 | struct sigaction osa, nsa; |
116 | sigset_t nsig, osig; |
222 | sigset_t nsig, osig; |
… | |
… | |
133 | nsa.sa_handler = trampoline; |
239 | nsa.sa_handler = trampoline; |
134 | sigemptyset (&nsa.sa_mask); |
240 | sigemptyset (&nsa.sa_mask); |
135 | nsa.sa_flags = SA_ONSTACK; |
241 | nsa.sa_flags = SA_ONSTACK; |
136 | |
242 | |
137 | if (sigaction (SIGUSR2, &nsa, &osa)) |
243 | if (sigaction (SIGUSR2, &nsa, &osa)) |
|
|
244 | { |
138 | perror ("sigaction"); |
245 | perror ("sigaction"); |
|
|
246 | abort (); |
|
|
247 | } |
139 | |
248 | |
140 | /* set the new stack */ |
249 | /* set the new stack */ |
141 | nstk.ss_sp = STACK_ADJUST_PTR (sptr,ssize); /* yes, some platforms (IRIX) get this wrong. */ |
250 | nstk.ss_sp = STACK_ADJUST_PTR (sptr,ssize); /* yes, some platforms (IRIX) get this wrong. */ |
142 | nstk.ss_size = STACK_ADJUST_SIZE (sptr,ssize); |
251 | nstk.ss_size = STACK_ADJUST_SIZE (sptr,ssize); |
143 | nstk.ss_flags = 0; |
252 | nstk.ss_flags = 0; |
144 | |
253 | |
145 | if (sigaltstack (&nstk, &ostk) < 0) |
254 | if (sigaltstack (&nstk, &ostk) < 0) |
|
|
255 | { |
146 | perror ("sigaltstack"); |
256 | perror ("sigaltstack"); |
|
|
257 | abort (); |
|
|
258 | } |
147 | |
259 | |
148 | trampoline_count = 0; |
260 | trampoline_count = 0; |
149 | kill (getpid (), SIGUSR2); |
261 | kill (getpid (), SIGUSR2); |
150 | sigfillset (&nsig); sigdelset (&nsig, SIGUSR2); |
262 | sigfillset (&nsig); sigdelset (&nsig, SIGUSR2); |
151 | |
263 | |
… | |
… | |
162 | abort (); |
274 | abort (); |
163 | |
275 | |
164 | if (~ostk.ss_flags & SS_DISABLE) |
276 | if (~ostk.ss_flags & SS_DISABLE) |
165 | sigaltstack (&ostk, 0); |
277 | sigaltstack (&ostk, 0); |
166 | |
278 | |
167 | sigaction (SIGUSR1, &osa, 0); |
279 | sigaction (SIGUSR2, &osa, 0); |
168 | |
280 | |
169 | sigprocmask (SIG_SETMASK, &osig, 0); |
281 | sigprocmask (SIG_SETMASK, &osig, 0); |
170 | |
282 | |
171 | # elif CORO_LOSER |
283 | # elif CORO_LOSER |
172 | |
284 | |
173 | setjmp (ctx->env); |
285 | setjmp (ctx->env); |
|
|
286 | #if __CYGWIN__ |
174 | ctx->env[7] = (long)((char *)sptr + ssize); |
287 | ctx->env[7] = (long)((char *)sptr + ssize); |
175 | ctx->env[8] = (long)coro_init; |
288 | ctx->env[8] = (long)coro_init; |
|
|
289 | #elif defined(_M_IX86) |
|
|
290 | ((_JUMP_BUFFER *)&ctx->env)->Eip = (long)coro_init; |
|
|
291 | ((_JUMP_BUFFER *)&ctx->env)->Esp = (long)STACK_ADJUST_PTR (sptr, ssize); |
|
|
292 | #elif defined(_M_AMD64) |
|
|
293 | ((_JUMP_BUFFER *)&ctx->env)->Rip = (__int64)coro_init; |
|
|
294 | ((_JUMP_BUFFER *)&ctx->env)->Rsp = (__int64)STACK_ADJUST_PTR (sptr, ssize); |
|
|
295 | #elif defined(_M_IA64) |
|
|
296 | ((_JUMP_BUFFER *)&ctx->env)->StIIP = (__int64)coro_init; |
|
|
297 | ((_JUMP_BUFFER *)&ctx->env)->IntSp = (__int64)STACK_ADJUST_PTR (sptr, ssize); |
|
|
298 | #else |
|
|
299 | # error "microsoft libc or architecture not supported" |
|
|
300 | #endif |
176 | |
301 | |
177 | # elif CORO_LINUX |
302 | # elif CORO_LINUX |
178 | |
303 | |
179 | setjmp (ctx->env); |
304 | _setjmp (ctx->env); |
180 | #if defined(__GLIBC__) && defined(__GLIBC_MINOR__) \ |
|
|
181 | && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined(JB_PC) && defined(JB_SP) |
305 | #if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (JB_PC) && defined (JB_SP) |
182 | ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; |
306 | ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; |
183 | ctx->env[0].__jmpbuf[JB_SP] = (long)STACK_ADJUST_PTR (sptr,ssize); |
307 | ctx->env[0].__jmpbuf[JB_SP] = (long)STACK_ADJUST_PTR (sptr, ssize); |
184 | #elif defined(__GLIBC__) && defined(__GLIBC_MINOR__) \ |
|
|
185 | && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined(__mc68000__) |
308 | #elif __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (__mc68000__) |
186 | ctx->env[0].__jmpbuf[0].__aregs[0] = (long int)coro_init; |
309 | ctx->env[0].__jmpbuf[0].__aregs[0] = (long int)coro_init; |
187 | ctx->env[0].__jmpbuf[0].__sp = (int *)((char *)sptr + ssize); |
310 | ctx->env[0].__jmpbuf[0].__sp = (int *)((char *)sptr + ssize); |
188 | #elif defined(__GNU_LIBRARY__) && defined(__i386__) |
311 | #elif defined (__GNU_LIBRARY__) && defined (__i386__) |
189 | ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init; |
312 | ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init; |
190 | ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize); |
313 | ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize); |
191 | #elif defined(__GNU_LIBRARY__) && defined(__amd64__) |
314 | #elif defined (__GNU_LIBRARY__) && defined (__amd64__) |
192 | ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; |
315 | ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; |
193 | ctx->env[0].__jmpbuf[JB_RSP] = (long)((char *)sptr + ssize); |
316 | ctx->env[0].__jmpbuf[JB_RSP] = (long)STACK_ADJUST_PTR (sptr, ssize); |
194 | #else |
317 | #else |
195 | #error "linux libc or architecture not supported" |
318 | # error "linux libc or architecture not supported" |
196 | #endif |
319 | #endif |
197 | |
320 | |
198 | # elif CORO_IRIX |
321 | # elif CORO_IRIX |
199 | |
322 | |
200 | setjmp (ctx->env); |
323 | setjmp (ctx->env); |
201 | ctx->env[JB_PC] = (__uint64_t)coro_init; |
324 | ctx->env[JB_PC] = (__uint64_t)coro_init; |
202 | ctx->env[JB_SP] = (__uint64_t)STACK_ADJUST_PTR (sptr,ssize); |
325 | ctx->env[JB_SP] = (__uint64_t)STACK_ADJUST_PTR (sptr, ssize); |
|
|
326 | |
|
|
327 | # elif CORO_ASM |
|
|
328 | |
|
|
329 | ctx->sp = (volatile void **)(ssize + (char *)sptr); |
|
|
330 | /* we try to allow for both functions with and without frame pointers */ |
|
|
331 | *--ctx->sp = (void *)coro_init; |
|
|
332 | { |
|
|
333 | int i; |
|
|
334 | for (i = NUM_SAVED; i--; ) |
|
|
335 | *--ctx->sp = 0; |
|
|
336 | } |
203 | |
337 | |
204 | # endif |
338 | # endif |
205 | |
339 | |
206 | coro_transfer ((coro_context *)create_coro, (coro_context *)new_coro); |
340 | coro_transfer ((coro_context *)create_coro, (coro_context *)new_coro); |
207 | |
341 | |
|
|
342 | # elif CORO_PTHREAD |
|
|
343 | |
|
|
344 | pthread_t id; |
|
|
345 | pthread_attr_t attr; |
|
|
346 | coro_context nctx; |
|
|
347 | struct coro_init_args args; |
|
|
348 | static int once; |
|
|
349 | |
|
|
350 | if (!once) |
|
|
351 | { |
|
|
352 | pthread_mutex_lock (&coro_mutex); |
|
|
353 | once = 1; |
|
|
354 | } |
|
|
355 | |
|
|
356 | args.func = coro; |
|
|
357 | args.arg = arg; |
|
|
358 | args.self = ctx; |
|
|
359 | args.main = &nctx; |
|
|
360 | |
|
|
361 | pthread_attr_init (&attr); |
|
|
362 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
363 | pthread_attr_setstack (&attr, sptr, (size_t)ssize); |
|
|
364 | pthread_create (&id, &attr, trampoline, &args); |
|
|
365 | |
|
|
366 | pthread_cond_init (&args.self->c, 0); |
|
|
367 | coro_transfer (args.main, args.self); |
|
|
368 | |
208 | #else |
369 | #else |
209 | error unsupported architecture |
370 | # error unsupported backend |
210 | #endif |
371 | #endif |
211 | } |
372 | } |
212 | |
373 | |