mirror of
https://github.com/tmux/tmux.git
synced 2025-11-04 00:56:10 +00:00
Trim some code by moving the ioctl(TIOCGWINSZ) after SIGWINCH from the client
into the server. This is another (the second of four) protocol version changes coming this morning, so again the server should be killed before upgrading.
This commit is contained in:
Nicholas Marriott
25
client.c
25
client.c
@@ -34,7 +34,6 @@
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#include "tmux.h"
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void client_send_environ(struct client_ctx *);
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void client_handle_winch(struct client_ctx *);
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int
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client_init(char *path, struct client_ctx *cctx, int cmdflags, int flags)
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@@ -100,8 +99,6 @@ server_started:
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if (ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) == -1)
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fatal("ioctl(TIOCGWINSZ)");
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data.flags = flags;
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data.sx = ws.ws_col;
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data.sy = ws.ws_row;
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if (getcwd(data.cwd, sizeof data.cwd) == NULL)
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*data.cwd = '\0';
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@@ -169,8 +166,10 @@ client_main(struct client_ctx *cctx)
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waitpid(WAIT_ANY, NULL, WNOHANG);
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sigchld = 0;
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}
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if (sigwinch)
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client_handle_winch(cctx);
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if (sigwinch) {
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client_write_server(cctx, MSG_RESIZE, NULL, 0);
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sigwinch = 0;
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}
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if (sigcont) {
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siginit();
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client_write_server(cctx, MSG_WAKEUP, NULL, 0);
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@@ -238,22 +237,6 @@ out:
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}
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}
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void
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client_handle_winch(struct client_ctx *cctx)
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{
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struct msg_resize_data data;
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struct winsize ws;
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if (ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) == -1)
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fatal("ioctl failed");
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data.sx = ws.ws_col;
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data.sy = ws.ws_row;
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client_write_server(cctx, MSG_RESIZE, &data, sizeof data);
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sigwinch = 0;
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}
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int
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client_msg_dispatch(struct client_ctx *cctx)
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{
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38
server-msg.c
38
server-msg.c
@@ -17,6 +17,7 @@
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*/
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <errno.h>
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#include <stdlib.h>
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@@ -28,7 +29,6 @@
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void server_msg_command(struct client *, struct msg_command_data *);
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void server_msg_identify(struct client *, struct msg_identify_data *, int);
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void server_msg_resize(struct client *, struct msg_resize_data *);
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void printflike2 server_msg_command_error(struct cmd_ctx *, const char *, ...);
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void printflike2 server_msg_command_print(struct cmd_ctx *, const char *, ...);
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@@ -40,7 +40,6 @@ server_msg_dispatch(struct client *c)
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struct imsg imsg;
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struct msg_command_data commanddata;
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struct msg_identify_data identifydata;
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struct msg_resize_data resizedata;
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struct msg_unlock_data unlockdata;
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struct msg_environ_data environdata;
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ssize_t n, datalen;
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@@ -81,11 +80,12 @@ server_msg_dispatch(struct client *c)
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server_msg_identify(c, &identifydata, imsg.fd);
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break;
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case MSG_RESIZE:
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if (datalen != sizeof resizedata)
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if (datalen != 0)
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fatalx("bad MSG_RESIZE size");
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memcpy(&resizedata, imsg.data, sizeof resizedata);
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server_msg_resize(c, &resizedata);
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tty_resize(&c->tty);
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recalculate_sizes();
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server_redraw_client(c);
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break;
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case MSG_EXITING:
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if (datalen != 0)
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@@ -261,33 +261,7 @@ server_msg_identify(struct client *c, struct msg_identify_data *data, int fd)
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if (data->flags & IDENTIFY_HASDEFAULTS)
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c->tty.term_flags |= TERM_HASDEFAULTS;
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c->tty.sx = data->sx;
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if (c->tty.sx == 0)
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c->tty.sx = 80;
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c->tty.sy = data->sy;
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if (c->tty.sy == 0)
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c->tty.sy = 24;
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tty_resize(&c->tty);
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c->flags |= CLIENT_TERMINAL;
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}
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void
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server_msg_resize(struct client *c, struct msg_resize_data *data)
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{
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c->tty.sx = data->sx;
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if (c->tty.sx == 0)
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c->tty.sx = 80;
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c->tty.sy = data->sy;
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if (c->tty.sy == 0)
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c->tty.sy = 24;
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c->tty.cx = UINT_MAX;
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c->tty.cy = UINT_MAX;
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c->tty.rupper = UINT_MAX;
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c->tty.rlower = UINT_MAX;
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recalculate_sizes();
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/* Always redraw this client. */
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server_redraw_client(c);
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}
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11
tmux.h
11
tmux.h
@@ -19,7 +19,7 @@
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#ifndef TMUX_H
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#define TMUX_H
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#define PROTOCOL_VERSION 2
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#define PROTOCOL_VERSION 3
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#include <sys/param.h>
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#include <sys/time.h>
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@@ -337,14 +337,6 @@ struct msg_identify_data {
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#define IDENTIFY_88COLOURS 0x4
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#define IDENTIFY_HASDEFAULTS 0x8
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int flags;
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u_int sx;
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u_int sy;
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};
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struct msg_resize_data {
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u_int sx;
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u_int sy;
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};
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struct msg_unlock_data {
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@@ -1199,6 +1191,7 @@ void tty_puts(struct tty *, const char *);
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void tty_putc(struct tty *, u_char);
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void tty_pututf8(struct tty *, const struct grid_utf8 *);
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void tty_init(struct tty *, int, char *);
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void tty_resize(struct tty *);
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void tty_start_tty(struct tty *);
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void tty_stop_tty(struct tty *);
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void tty_detect_utf8(struct tty *);
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21
tty.c
21
tty.c
@@ -73,6 +73,27 @@ tty_init(struct tty *tty, int fd, char *term)
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tty->term_flags = 0;
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}
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void
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tty_resize(struct tty *tty)
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{
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struct winsize ws;
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if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
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tty->sx = ws.ws_col;
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tty->sy = ws.ws_row;
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}
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if (tty->sx == 0)
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tty->sx = 80;
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if (tty->sy == 0)
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tty->sy = 24;
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tty->cx = UINT_MAX;
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tty->cy = UINT_MAX;
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tty->rupper = UINT_MAX;
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tty->rlower = UINT_MAX;
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}
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int
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tty_open(struct tty *tty, const char *overrides, char **cause)
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{
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