Bug #9040 » readline-release-gvl-5.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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static VALUE readline_instream;
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static VALUE readline_outstream;
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static FILE *readline_rl_instream;
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static FILE *readline_rl_outstream;
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#if defined HAVE_RL_GETC_FUNCTION
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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 run;
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int ret;
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int err;
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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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#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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ss = read(fd, &ch, 1);
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if (ss == 0) {
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errno = 0;
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return EOF;
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}
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if (ss != 1)
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return EOF;
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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->run = 1;
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errno = 0;
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p->ret = getc_body(input);
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p->err = errno;
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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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again:
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data.run = 0;
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data.ret = EOF;
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data.err = 0;
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rb_thread_call_without_gvl2(getc_func, &data, RUBY_UBF_IO, NULL);
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if (!data.run) {
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rb_thread_check_ints();
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goto again;
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}
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if (data.ret == EOF) {
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if (data.err == 0) {
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return EOF;
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}
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if (data.err == EINTR) {
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rb_thread_check_ints();
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goto again;
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}
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if (data.err == EWOULDBLOCK || data.err == EAGAIN) {
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int ret;
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int fd = fileno(input);
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if (fd < 0)
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rb_bug("readline_getc: input closed unexpectedly or memory corrupted");
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ret = rb_wait_for_single_fd(fd, RB_WAITFD_IN, NULL);
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if (ret != -1 || errno == EINTR)
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goto again;
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rb_sys_fail("rb_wait_for_single_fd");
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}
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errno = data.err;
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rb_sys_fail("read");
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}
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#endif
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return FIX2INT(c);
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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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| ... | ... | |
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return (VALUE)readline((char *)prompt);
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}
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static void
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clear_rl_instream(void)
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{
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if (readline_rl_instream) {
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fclose(readline_rl_instream);
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if (rl_instream == readline_rl_instream)
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rl_instream = NULL;
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readline_rl_instream = NULL;
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}
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readline_instream = Qfalse;
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}
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static void
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clear_rl_outstream(void)
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{
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if (readline_rl_outstream) {
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fclose(readline_rl_outstream);
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if (rl_outstream == readline_rl_outstream)
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rl_outstream = NULL;
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readline_rl_outstream = NULL;
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}
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readline_outstream = Qfalse;
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}
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/*
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* call-seq:
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* Readline.readline(prompt = "", add_hist = false) -> string or nil
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| ... | ... | |
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if (readline_instream) {
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rb_io_t *ifp;
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GetOpenFile(readline_instream, ifp);
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rb_io_check_initialized(ifp = RFILE(rb_io_taint_check(readline_instream))->fptr);
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if (ifp->fd < 0) {
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if (rl_instream) {
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fclose(rl_instream);
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rl_instream = NULL;
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}
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readline_instream = Qfalse;
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rb_raise(rb_eIOError, "closed stdin");
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clear_rl_instream();
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rb_raise(rb_eIOError, "closed readline input");
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}
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}
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if (readline_outstream) {
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rb_io_t *ofp;
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GetOpenFile(readline_outstream, ofp);
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rb_io_check_initialized(ofp = RFILE(rb_io_taint_check(readline_outstream))->fptr);
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if (ofp->fd < 0) {
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if (rl_outstream) {
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fclose(rl_outstream);
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rl_outstream = NULL;
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}
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readline_outstream = Qfalse;
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rb_raise(rb_eIOError, "closed stdout");
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clear_rl_outstream();
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rb_raise(rb_eIOError, "closed readline output");
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}
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}
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| ... | ... | |
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return result;
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}
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static void
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clear_rl_instream(void)
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{
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rb_io_t *ifp;
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if (rl_instream) {
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if (readline_instream) {
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rb_io_check_initialized(ifp = RFILE(rb_io_taint_check(readline_instream))->fptr);
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if (ifp->fd < 0 || fileno(rl_instream) == ifp->fd) {
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fclose(rl_instream);
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rl_instream = NULL;
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}
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}
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readline_instream = Qfalse;
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rl_instream = NULL;
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}
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}
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/*
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* call-seq:
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* Readline.input = input
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| ... | ... | |
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errno = save_errno;
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rb_sys_fail("fdopen");
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}
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rl_instream = f;
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rl_instream = readline_rl_instream = f;
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readline_instream = input;
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}
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return input;
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}
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static void
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clear_rl_outstream(void)
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{
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rb_io_t *ofp;
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if (rl_outstream) {
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if (readline_outstream) {
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rb_io_check_initialized(ofp = RFILE(rb_io_taint_check(readline_outstream))->fptr);
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if (ofp->fd < 0 || fileno(rl_outstream) == ofp->fd) {
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fclose(rl_outstream);
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rl_outstream = NULL;
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}
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}
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readline_outstream = Qfalse;
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rl_outstream = NULL;
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}
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}
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/*
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* call-seq:
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* Readline.output = output
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| ... | ... | |
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errno = save_errno;
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rb_sys_fail("fdopen");
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}
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rl_outstream = f;
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rl_outstream = readline_rl_outstream = f;
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readline_outstream = output;
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}
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return output;
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| ... | ... | |
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rb_gc_register_address(&readline_instream);
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rb_gc_register_address(&readline_outstream);
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readline_s_set_input(mReadline, rb_stdin);
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}
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