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| | #if defined(HAVE_RB_THREAD_CALL_WITHOUT_GVL) && defined(HAVE_RUBY_THREAD_H)
/* Ruby 2.0+ */
# include <ruby/thread.h>
# define WITHOUT_GVL(fn,a,ubf,b) \
rb_thread_call_without_gvl((fn),(a),(ubf),(b))
#elif defined(HAVE_RB_THREAD_BLOCKING_REGION)
typedef VALUE (*my_blocking_fn_t)(void*);
# define WITHOUT_GVL(fn,a,ubf,b) \
rb_thread_blocking_region((my_blocking_fn_t)(fn),(a),(ubf),(b))
#endif
#ifdef WITHOUT_GVL
struct stat_args { int err; const char *path; struct stat *buf; };
static void * ng_stat(void *ptr)
{
struct stat_args *a = ptr;
a->err = stat(a->path, a->buf);
return NULL;
}
static int my_stat(const char *path, struct stat *buf)
{
struct stat_args a;
a.path = path;
a.buf = buf;
WITHOUT_GVL(ng_stat, &a, RUBY_UBF_IO, 0);
return a.err;
}
#ifndef HAVE_RB_THREAD_IO_BLOCKING_REGION
# define rb_thread_io_blocking_region(fn,data,fd) \
WITHOUT_GVL((fn),(data), RUBY_UBF_IO, 0)
#else
VALUE rb_thread_io_blocking_region(VALUE(*)(void *), void *, int);
#endif
struct write_args { int fd; const void *buf; size_t count; };
static VALUE ng_write(void *ptr)
{
struct write_args *a = ptr;
return (VALUE)write(a->fd, a->buf, a->count);
}
static ssize_t my_write(int fd, const void *buf, size_t count)
{
struct write_args a;
ssize_t r;
a.fd = fd;
a.buf = buf;
a.count = count;
r = (ssize_t)rb_thread_io_blocking_region(ng_write, &a, fd);
return r;
}
# define nogvl_stat(path,buf) my_stat((path),(buf))
# define nogvl_write(fd,buf,count) my_write((fd),(buf),(count))
#else /* !WITHOUT_GVL, for Ruby 1.8 users: */
# define nogvl_stat(path,buf) stat((path),(buf))
# define nogvl_write(fd,buf,buf) write((fd),(buf),(count))
#endif /* !WITHOUT_GVL */
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