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io.c: define EWOULDBLOCK 

* io.c (Init_IO): define EWOULDBLOCK alway as it is needed always.
  and turn runtime branch into preprocessor condition.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40203 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-04-09 00:42:33 +00:00
Родитель e0b523d1a9
Коммит 74ba9c2488
1 изменённых файлов: 39 добавлений и 34 удалений
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73
io.c
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@ -110,6 +110,10 @@
# endif
#endif
#ifndef EWOULDBLOCK
# define EWOULDBLOCK EAGAIN
#endif
#if defined(HAVE___SYSCALL) && (defined(__APPLE__) || defined(__OpenBSD__))
/* Mac OS X and OpenBSD have __syscall but don't define it in headers */
off_t __syscall(quad_t number, ...);
@ -11471,38 +11475,39 @@ rb_readwrite_sys_fail(int writable, const char *mesg)
arg = mesg ? rb_str_new2(mesg) : Qnil;
if (writable == RB_IO_WAIT_WRITABLE) {
switch (n) {
case EAGAIN:
rb_exc_raise(rb_class_new_instance(1, &arg, rb_eEAGAINWaitWritable));
break;
case EAGAIN:
rb_exc_raise(rb_class_new_instance(1, &arg, rb_eEAGAINWaitWritable));
break;
#if EAGAIN != EWOULDBLOCK
case EWOULDBLOCK:
rb_exc_raise(rb_class_new_instance(1, &arg, rb_eEWOULDBLOCKWaitWritable));
break;
case EWOULDBLOCK:
rb_exc_raise(rb_class_new_instance(1, &arg, rb_eEWOULDBLOCKWaitWritable));
break;
#endif
case EINPROGRESS:
rb_exc_raise(rb_class_new_instance(1, &arg, rb_eEINPROGRESSWaitWritable));
break;
default:
rb_mod_sys_fail_str(rb_mWaitWritable, arg);
case EINPROGRESS:
rb_exc_raise(rb_class_new_instance(1, &arg, rb_eEINPROGRESSWaitWritable));
break;
default:
rb_mod_sys_fail_str(rb_mWaitWritable, arg);
}
}
else if (writable == RB_IO_WAIT_READABLE) {
switch (n) {
case EAGAIN:
rb_exc_raise(rb_class_new_instance(1, &arg, rb_eEAGAINWaitReadable));
break;
case EAGAIN:
rb_exc_raise(rb_class_new_instance(1, &arg, rb_eEAGAINWaitReadable));
break;
#if EAGAIN != EWOULDBLOCK
case EWOULDBLOCK:
rb_exc_raise(rb_class_new_instance(1, &arg, rb_eEWOULDBLOCKWaitReadable));
break;
case EWOULDBLOCK:
rb_exc_raise(rb_class_new_instance(1, &arg, rb_eEWOULDBLOCKWaitReadable));
break;
#endif
case EINPROGRESS:
rb_exc_raise(rb_class_new_instance(1, &arg, rb_eEINPROGRESSWaitReadable));
break;
default:
rb_mod_sys_fail_str(rb_mWaitReadable, arg);
case EINPROGRESS:
rb_exc_raise(rb_class_new_instance(1, &arg, rb_eEINPROGRESSWaitReadable));
break;
default:
rb_mod_sys_fail_str(rb_mWaitReadable, arg);
}
} else {
}
else {
rb_bug("invalid read/write type passed to rb_readwrite_sys_fail: %d", writable);
}
}
@ -11719,17 +11724,17 @@ Init_IO(void)
rb_include_module(rb_eEAGAINWaitReadable, rb_mWaitReadable);
rb_eEAGAINWaitWritable = rb_define_class_under(rb_cIO, "EAGAINWaitWritable", rb_eEAGAIN);
rb_include_module(rb_eEAGAINWaitWritable, rb_mWaitWritable);
if (EAGAIN == EWOULDBLOCK) {
rb_eEWOULDBLOCKWaitReadable = rb_eEAGAINWaitReadable;
rb_define_const(rb_cIO, "EWOULDBLOCKWaitReadable", rb_eEAGAINWaitReadable);
rb_eEWOULDBLOCKWaitWritable = rb_eEAGAINWaitWritable;
rb_define_const(rb_cIO, "EWOULDBLOCKWaitWritable", rb_eEAGAINWaitWritable);
} else {
rb_eEWOULDBLOCKWaitReadable = rb_define_class_under(rb_cIO, "EWOULDBLOCKRWaiteadable", rb_eEWOULDBLOCK);
rb_include_module(rb_eEWOULDBLOCKWaitReadable, rb_mWaitReadable);
rb_eEWOULDBLOCKWaitWritable = rb_define_class_under(rb_cIO, "EWOULDBLOCKWaitWritable", rb_eEWOULDBLOCK);
rb_include_module(rb_eEWOULDBLOCKWaitWritable, rb_mWaitWritable);
}
#if EAGAIN == EWOULDBLOCK
rb_eEWOULDBLOCKWaitReadable = rb_eEAGAINWaitReadable;
rb_define_const(rb_cIO, "EWOULDBLOCKWaitReadable", rb_eEAGAINWaitReadable);
rb_eEWOULDBLOCKWaitWritable = rb_eEAGAINWaitWritable;
rb_define_const(rb_cIO, "EWOULDBLOCKWaitWritable", rb_eEAGAINWaitWritable);
#else
rb_eEWOULDBLOCKWaitReadable = rb_define_class_under(rb_cIO, "EWOULDBLOCKRWaiteadable", rb_eEWOULDBLOCK);
rb_include_module(rb_eEWOULDBLOCKWaitReadable, rb_mWaitReadable);
rb_eEWOULDBLOCKWaitWritable = rb_define_class_under(rb_cIO, "EWOULDBLOCKWaitWritable", rb_eEWOULDBLOCK);
rb_include_module(rb_eEWOULDBLOCKWaitWritable, rb_mWaitWritable);
#endif
rb_eEINPROGRESSWaitReadable = rb_define_class_under(rb_cIO, "EINPROGRESSWaitReadable", rb_eEINPROGRESS);
rb_include_module(rb_eEINPROGRESSWaitReadable, rb_mWaitReadable);
rb_eEINPROGRESSWaitWritable = rb_define_class_under(rb_cIO, "EINPROGRESSWaitWritable", rb_eEINPROGRESS);