Bug #8749 » readline-release-gvl-2.patch
| ext/readline/readline.c (working copy) | ||
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#include "ruby/ruby.h"
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#include "ruby/io.h"
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#include "ruby/thread.h"
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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| ... | ... | |
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#define rl_getc(f) EOF
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#endif
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static int readline_getc(FILE *);
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struct getc_struct {
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FILE *input;
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int ret;
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};
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static void *
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check_ints(void *data)
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{
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rb_thread_check_ints();
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return NULL;
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}
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static int
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readline_getc(FILE *input)
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getc_body(FILE *input)
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{
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rb_io_t *ifp = 0;
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VALUE c;
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if (!readline_instream) return rl_getc(input);
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GetOpenFile(readline_instream, ifp);
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int fd = fileno(input);
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char ch;
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ssize_t ss;
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int ret;
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#if defined(_WIN32)
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{
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INPUT_RECORD ir;
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| ... | ... | |
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static int prior_key = '0';
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for (;;) {
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if (prior_key > 0xff) {
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prior_key = rl_getc(rl_instream);
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prior_key = rl_getc(input);
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return prior_key;
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}
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if (PeekConsoleInput((HANDLE)_get_osfhandle(ifp->fd), &ir, 1, &n)) {
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if (PeekConsoleInput((HANDLE)_get_osfhandle(fd), &ir, 1, &n)) {
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if (n == 1) {
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if (ir.EventType == KEY_EVENT && ir.Event.KeyEvent.bKeyDown) {
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prior_key = rl_getc(rl_instream);
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prior_key = rl_getc(input);
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return prior_key;
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} else {
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ReadConsoleInput((HANDLE)_get_osfhandle(ifp->fd), &ir, 1, &n);
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ReadConsoleInput((HANDLE)_get_osfhandle(fd), &ir, 1, &n);
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}
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} else {
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HANDLE h = (HANDLE)_get_osfhandle(ifp->fd);
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HANDLE h = (HANDLE)_get_osfhandle(fd);
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rb_w32_wait_events(&h, 1, INFINITE);
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}
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} else {
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| ... | ... | |
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}
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}
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#endif
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c = rb_io_getbyte(readline_instream);
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if (NIL_P(c)) return EOF;
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#ifdef ESC
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if (c == INT2FIX(ESC) &&
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RL_ISSTATE(RL_STATE_ISEARCH) && /* isn't needed in other states? */
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rb_io_read_pending(ifp)) {
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int meta = 0;
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c = rb_io_getbyte(readline_instream);
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if (FIXNUM_P(c) && isascii(FIX2INT(c))) meta = 1;
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rb_io_ungetbyte(readline_instream, c);
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if (meta) rl_execute_next(ESC);
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return ESC;
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}
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again:
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ss = read(fd, &ch, 1);
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if (ss == 0)
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return EOF;
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if (ss == -1) {
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if (errno == EINTR) {
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interrupt:
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rb_thread_call_with_gvl(check_ints, NULL);
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goto again;
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}
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if (errno == EWOULDBLOCK || errno == EAGAIN) {
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#ifdef HAVE_POLL
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struct pollfd pfd;
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pfd.fd = fd;
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pfd.events = POLLIN;
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pfd.revents = 0;
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ret = poll(&pfd, 1, -1);
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if (ret < 0) {
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if (errno == EINTR)
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goto interrupt;
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return EOF;
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}
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#else
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rb_fdset_t rfds;
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rb_fd_init(&rfds);
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rb_fd_set(fd, &rfds);
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ret = rb_fd_select(fd+1, &rfds, NULL, NULL, NULL);
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rb_fd_term(&rfds);
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if (ret < 0) {
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if (errno == EINTR)
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goto interrupt;
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return EOF;
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}
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#endif
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return FIX2INT(c);
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goto again;
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}
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}
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return (unsigned char)ch;
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}
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static void *
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getc_func(void *data1)
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{
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struct getc_struct *p = data1;
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FILE *input = p->input;
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p->ret = getc_body(input);
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return NULL;
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}
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static int
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readline_getc(FILE *input)
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{
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struct getc_struct data;
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data.input = input;
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data.ret = -1;
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rb_thread_call_without_gvl(getc_func, &data, RUBY_UBF_IO, NULL);
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return data.ret;
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}
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#elif defined HAVE_RL_EVENT_HOOK
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#define BUSY_WAIT 0
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