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Improvements to rb_io_wait
return value handling and internal implementation. (#5340)
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git
2021-12-24 19:11:36 +09:00
Merged-By: ioquatix <samuel@codeotaku.com>
2 changed files with 20 additions and 9 deletions
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@ -205,7 +205,7 @@ VALUE rb_fiber_scheduler_unblock(VALUE scheduler, VALUE blocker, VALUE fiber);
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* this for instance switches to another fiber etc.
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*
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* The "events" here is a Ruby level integer, which is an OR-ed value of
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* `IO::READABLE`, `IO::WRITable`, and `IO::PRIORITY`.
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* `IO::READABLE`, `IO::WRITABLE`, and `IO::PRIORITY`.
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*
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* @param[in] scheduler Target scheduler.
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* @param[in] io An io object to wait.
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27
io.c
27
io.c
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@ -500,15 +500,15 @@ rb_cloexec_fcntl_dupfd(int fd, int minfd)
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#if defined(_WIN32)
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#define WAIT_FD_IN_WIN32(fptr) \
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(rb_w32_io_cancelable_p((fptr)->fd) ? 0 : RB_NUM2INT(rb_io_wait(fptr->self, RB_INT2NUM(RUBY_IO_READABLE), Qnil)))
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(rb_w32_io_cancelable_p((fptr)->fd) ? Qnil : rb_io_wait(fptr->self, RB_INT2NUM(RUBY_IO_READABLE), Qnil))
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#else
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#define WAIT_FD_IN_WIN32(fptr)
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#endif
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#define READ_CHECK(fptr) do {\
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if (!READ_DATA_PENDING(fptr)) {\
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WAIT_FD_IN_WIN32(fptr);\
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rb_io_check_closed(fptr);\
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WAIT_FD_IN_WIN32(fptr);\
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rb_io_check_closed(fptr);\
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}\
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} while(0)
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@ -1323,10 +1323,9 @@ rb_io_wait(VALUE io, VALUE events, VALUE timeout)
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// Not sure if this is necessary:
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rb_io_check_closed(fptr);
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if (ready > 0) {
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if (ready) {
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return RB_INT2NUM(ready);
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}
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else {
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} else {
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return Qfalse;
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}
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}
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@ -1490,13 +1489,25 @@ rb_io_maybe_wait(int error, VALUE io, VALUE events, VALUE timeout)
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int
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rb_io_maybe_wait_readable(int error, VALUE io, VALUE timeout)
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{
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return RB_NUM2INT(rb_io_maybe_wait(error, io, RB_INT2NUM(RUBY_IO_READABLE), timeout));
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VALUE result = rb_io_maybe_wait(error, io, RB_INT2NUM(RUBY_IO_READABLE), timeout);
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if (RTEST(result)) {
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return RB_NUM2INT(result);
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} else {
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return 0;
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}
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}
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int
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rb_io_maybe_wait_writable(int error, VALUE io, VALUE timeout)
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{
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return RB_NUM2INT(rb_io_maybe_wait(error, io, RB_INT2NUM(RUBY_IO_WRITABLE), timeout));
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VALUE result = rb_io_maybe_wait(error, io, RB_INT2NUM(RUBY_IO_WRITABLE), timeout);
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if (RTEST(result)) {
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return RB_NUM2INT(result);
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} else {
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return 0;
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}
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}
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static void
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