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error.c: check if EWOULDBLOCK is defined

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* error.c (set_syserr): EWOULDBLOCK may not be defined, check if
  defined first.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48049 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-10-20 06:58:16 +00:00
parent bd2d094aab
commit 8d9e1f9dad
1 changed files with 10 additions and 10 deletions
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20
error.c
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@ -1290,19 +1290,19 @@ set_syserr(int n, const char *name)
/* capture nonblock errnos for WaitReadable/WaitWritable subclasses */ /* capture nonblock errnos for WaitReadable/WaitWritable subclasses */
switch (n) { switch (n) {
case EAGAIN: case EAGAIN:
rb_eEAGAIN = error; rb_eEAGAIN = error;
#if EAGAIN != EWOULDBLOCK #if defined(EWOULDBLOCK) && EWOULDBLOCK != EAGAIN
break; break;
case EWOULDBLOCK: case EWOULDBLOCK:
#endif #endif
rb_eEWOULDBLOCK = error; rb_eEWOULDBLOCK = error;
break; break;
case EINPROGRESS: case EINPROGRESS:
rb_eEINPROGRESS = error; rb_eEINPROGRESS = error;
break; break;
} }
rb_define_const(error, "Errno", INT2NUM(n)); rb_define_const(error, "Errno", INT2NUM(n));