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* io.c (nogvl_close, maygvl_close, nogvl_fclose, maygvl_fclose):

new functions.
* io.c (fptr_finalize): release GVL if possible.
  Patched by Eric Wong. [Feature #4570] [ruby-core:35711]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36932 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
kosaki 2012-09-09 09:10:46 +00:00
parent 3df2fc2da8
commit 4b58f39ded
2 changed files with 67 additions and 17 deletions

View file

@ -1,3 +1,10 @@
Sun Sep 9 16:47:12 2012 KOSAKI Motohiro <kosaki.motohiro@gmail.com>
* io.c (nogvl_close, maygvl_close, nogvl_fclose, maygvl_fclose):
new functions.
* io.c (fptr_finalize): release GVL if possible.
Patched by Eric Wong. [Feature #4570] [ruby-core:35711]
Sun Sep 9 16:08:48 2012 KOSAKI Motohiro <kosaki.motohiro@gmail.com> Sun Sep 9 16:08:48 2012 KOSAKI Motohiro <kosaki.motohiro@gmail.com>
* io.c (io_bufread): removed unnecessary rb_thread_wait_fd(). * io.c (io_bufread): removed unnecessary rb_thread_wait_fd().

77
io.c
View file

@ -3853,10 +3853,51 @@ finish_writeconv_sync(VALUE arg)
return finish_writeconv(p->fptr, p->noalloc); return finish_writeconv(p->fptr, p->noalloc);
} }
static void*
nogvl_close(void *ptr)
{
int *fd = ptr;
return (void*)close(*fd);
}
static int
maygvl_close(int fd, int keepgvl)
{
if (keepgvl)
return close(fd);
/*
* close() may block for certain file types (NFS, SO_LINGER sockets,
* inotify), so let other threads run.
*/
return (int)rb_thread_call_without_gvl(nogvl_close, &fd, RUBY_UBF_IO, 0);
}
static void*
nogvl_fclose(void *ptr)
{
FILE *file = ptr;
return (void*)fclose(file);
}
static int
maygvl_fclose(FILE *file, int keepgvl)
{
if (keepgvl)
return fclose(file);
return (int)rb_thread_call_without_gvl(nogvl_fclose, file, RUBY_UBF_IO, 0);
}
static void static void
fptr_finalize(rb_io_t *fptr, int noraise) fptr_finalize(rb_io_t *fptr, int noraise)
{ {
VALUE err = Qnil; VALUE err = Qnil;
int fd = fptr->fd;
FILE *stdio_file = fptr->stdio_file;
if (fptr->writeconv) { if (fptr->writeconv) {
if (fptr->write_lock && !noraise) { if (fptr->write_lock && !noraise) {
struct finish_writeconv_arg arg; struct finish_writeconv_arg arg;
@ -3878,25 +3919,27 @@ fptr_finalize(rb_io_t *fptr, int noraise)
err = INT2NUM(errno); err = INT2NUM(errno);
} }
} }
if (IS_PREP_STDIO(fptr) || fptr->fd <= 2) {
goto skip_fd_close;
}
if (fptr->stdio_file) {
/* fptr->stdio_file is deallocated anyway
* even if fclose failed. */
if (fclose(fptr->stdio_file) < 0 && NIL_P(err))
err = noraise ? Qtrue : INT2NUM(errno);
}
else if (0 <= fptr->fd) {
/* fptr->fd may be closed even if close fails.
* POSIX doesn't specify it.
* We assumes it is closed. */
if (close(fptr->fd) < 0 && NIL_P(err))
err = noraise ? Qtrue : INT2NUM(errno);
}
skip_fd_close:
fptr->fd = -1; fptr->fd = -1;
fptr->stdio_file = 0; fptr->stdio_file = 0;
if (!noraise)
rb_thread_fd_close(fd);
if (IS_PREP_STDIO(fptr) || fd <= 2) {
/* need to keep FILE objects of stdin, stdout and stderr */
}
else if (stdio_file) {
/* stdio_file is deallocated anyway
* even if fclose failed. */
if ((maygvl_fclose(stdio_file, noraise) < 0) && NIL_P(err))
err = noraise ? Qtrue : INT2NUM(errno);
}
else if (0 <= fd) {
/* fptr->fd may be closed even if close fails.
* POSIX doesn't specify it.
* We assumes it is closed. */
if ((maygvl_close(fd, noraise) < 0) && NIL_P(err))
err = noraise ? Qtrue : INT2NUM(errno);
}
fptr->mode &= ~(FMODE_READABLE|FMODE_WRITABLE); fptr->mode &= ~(FMODE_READABLE|FMODE_WRITABLE);
if (!NIL_P(err) && !noraise) { if (!NIL_P(err) && !noraise) {