1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59095 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
eregon 2017-06-15 13:34:32 +00:00
parent 56b83d06e8
commit 2fbd11c77a

View file

@ -28,23 +28,27 @@ static VALUE thread_spec_rb_thread_alone() {
static void* blocking_gvl_func(void* data) {
int rfd = *(int *)data;
char dummy;
ssize_t rv;
ssize_t r;
do {
rv = read(rfd, &dummy, 1);
} while (rv == -1 && errno == EINTR);
r = read(rfd, &dummy, 1);
} while (r == -1 && errno == EINTR);
return (void*)((rv == 1) ? Qtrue : Qfalse);
close(rfd);
return (void*)((r == 1) ? Qtrue : Qfalse);
}
static void unblock_gvl_func(void *data) {
int wfd = *(int *)data;
char dummy = 0;
ssize_t rv;
char dummy = 'A';
ssize_t r;
do {
rv = write(wfd, &dummy, 1);
} while (rv == -1 && errno == EINTR);
r = write(wfd, &dummy, 1);
} while (r == -1 && errno == EINTR);
close(wfd);
}
/* Returns true if the thread is interrupted. */
@ -57,8 +61,6 @@ static VALUE thread_spec_rb_thread_call_without_gvl(VALUE self) {
}
ret = rb_thread_call_without_gvl(blocking_gvl_func, &fds[0],
unblock_gvl_func, &fds[1]);
close(fds[0]);
close(fds[1]);
return (VALUE)ret;
}