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-rw-r--r--client.c7
-rw-r--r--cmd-pipe-pane.c7
-rw-r--r--job.c7
-rw-r--r--server-client.c32
-rw-r--r--server.c8
-rw-r--r--tmux.c24
-rw-r--r--tmux.h1
-rw-r--r--tty.c10
-rw-r--r--window.c7
9 files changed, 46 insertions, 57 deletions
diff --git a/client.c b/client.c
index 35a2e4e8..1ff3e1f1 100644
--- a/client.c
+++ b/client.c
@@ -54,7 +54,7 @@ client_connect(char *path, int start_server)
{
struct sockaddr_un sa;
size_t size;
- int fd, mode;
+ int fd;
memset(&sa, 0, sizeof sa);
sa.sun_family = AF_UNIX;
@@ -84,10 +84,7 @@ client_connect(char *path, int start_server)
}
}
- if ((mode = fcntl(fd, F_GETFL)) == -1)
- fatal("fcntl failed");
- if (fcntl(fd, F_SETFL, mode|O_NONBLOCK) == -1)
- fatal("fcntl failed");
+ setblocking(fd, 0);
return (fd);
failed:
diff --git a/cmd-pipe-pane.c b/cmd-pipe-pane.c
index 6284bf37..d0e47541 100644
--- a/cmd-pipe-pane.c
+++ b/cmd-pipe-pane.c
@@ -53,7 +53,7 @@ cmd_pipe_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
struct client *c;
struct window_pane *wp;
char *command;
- int old_fd, pipe_fd[2], null_fd, mode;
+ int old_fd, pipe_fd[2], null_fd;
if ((c = cmd_find_client(ctx, NULL)) == NULL)
return (-1);
@@ -127,10 +127,7 @@ cmd_pipe_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
NULL, NULL, cmd_pipe_pane_error_callback, wp);
bufferevent_enable(wp->pipe_event, EV_WRITE);
- if ((mode = fcntl(wp->pipe_fd, F_GETFL)) == -1)
- fatal("fcntl failed");
- if (fcntl(wp->pipe_fd, F_SETFL, mode|O_NONBLOCK) == -1)
- fatal("fcntl failed");
+ setblocking(wp->pipe_fd, 0);
return (0);
}
}
diff --git a/job.c b/job.c
index ef4066e5..c7181964 100644
--- a/job.c
+++ b/job.c
@@ -137,7 +137,7 @@ job_free(struct job *job)
int
job_run(struct job *job)
{
- int nullfd, out[2], mode;
+ int nullfd, out[2];
if (job->fd != -1 || job->pid != -1)
return (0);
@@ -177,10 +177,7 @@ job_run(struct job *job)
close(out[1]);
job->fd = out[0];
- if ((mode = fcntl(job->fd, F_GETFL)) == -1)
- fatal("fcntl failed");
- if (fcntl(job->fd, F_SETFL, mode|O_NONBLOCK) == -1)
- fatal("fcntl failed");
+ setblocking(job->fd, 0);
if (job->event != NULL)
bufferevent_free(job->event);
diff --git a/server-client.c b/server-client.c
index 24a85b56..055f192c 100644
--- a/server-client.c
+++ b/server-client.c
@@ -53,13 +53,9 @@ void
server_client_create(int fd)
{
struct client *c;
- int mode;
u_int i;
- if ((mode = fcntl(fd, F_GETFL)) == -1)
- fatal("fcntl failed");
- if (fcntl(fd, F_SETFL, mode|O_NONBLOCK) == -1)
- fatal("fcntl failed");
+ setblocking(fd, 0);
c = xcalloc(1, sizeof *c);
c->references = 0;
@@ -124,16 +120,22 @@ server_client_lost(struct client *c)
if (c->flags & CLIENT_TERMINAL)
tty_free(&c->tty);
- if (c->stdin_fd != -1)
+ if (c->stdin_fd != -1) {
+ setblocking(c->stdin_fd, 1);
close(c->stdin_fd);
+ }
if (c->stdin_event != NULL)
bufferevent_free(c->stdin_event);
- if (c->stdout_fd != -1)
+ if (c->stdout_fd != -1) {
+ setblocking(c->stdout_fd, 1);
close(c->stdout_fd);
+ }
if (c->stdout_event != NULL)
bufferevent_free(c->stdout_event);
- if (c->stderr_fd != -1)
+ if (c->stderr_fd != -1) {
+ setblocking(c->stderr_fd, 1);
close(c->stderr_fd);
+ }
if (c->stderr_event != NULL)
bufferevent_free(c->stderr_event);
@@ -632,6 +634,7 @@ server_client_in_callback(
return;
bufferevent_disable(c->stdin_event, EV_READ|EV_WRITE);
+ setblocking(c->stdin_fd, 1);
close(c->stdin_fd);
c->stdin_fd = -1;
@@ -647,6 +650,7 @@ server_client_out_callback(
struct client *c = data;
bufferevent_disable(c->stdout_event, EV_READ|EV_WRITE);
+ setblocking(c->stdout_fd, 1);
close(c->stdout_fd);
c->stdout_fd = -1;
}
@@ -659,6 +663,7 @@ server_client_err_callback(
struct client *c = data;
bufferevent_disable(c->stderr_event, EV_READ|EV_WRITE);
+ setblocking(c->stderr_fd, 1);
close(c->stderr_fd);
c->stderr_fd = -1;
}
@@ -672,7 +677,6 @@ server_client_msg_dispatch(struct client *c)
struct msg_identify_data identifydata;
struct msg_environ_data environdata;
ssize_t n, datalen;
- int mode;
if ((n = imsg_read(&c->ibuf)) == -1 || n == 0)
return (-1);
@@ -712,9 +716,7 @@ server_client_msg_dispatch(struct client *c)
NULL, NULL, server_client_in_callback, c);
if (c->stdin_event == NULL)
fatalx("failed to create stdin event");
-
- if ((mode = fcntl(c->stdin_fd, F_GETFL)) != -1)
- fcntl(c->stdin_fd, F_SETFL, mode|O_NONBLOCK);
+ setblocking(c->stdin_fd, 0);
server_client_msg_identify(c, &identifydata, imsg.fd);
break;
@@ -729,9 +731,8 @@ server_client_msg_dispatch(struct client *c)
NULL, NULL, server_client_out_callback, c);
if (c->stdout_event == NULL)
fatalx("failed to create stdout event");
+ setblocking(c->stdout_fd, 0);
- if ((mode = fcntl(c->stdout_fd, F_GETFL)) != -1)
- fcntl(c->stdout_fd, F_SETFL, mode|O_NONBLOCK);
break;
case MSG_STDERR:
if (datalen != 0)
@@ -744,9 +745,8 @@ server_client_msg_dispatch(struct client *c)
NULL, NULL, server_client_err_callback, c);
if (c->stderr_event == NULL)
fatalx("failed to create stderr event");
+ setblocking(c->stderr_fd, 0);
- if ((mode = fcntl(c->stderr_fd, F_GETFL)) != -1)
- fcntl(c->stderr_fd, F_SETFL, mode|O_NONBLOCK);
break;
case MSG_RESIZE:
if (datalen != 0)
diff --git a/server.c b/server.c
index 3b35454d..8f6ee149 100644
--- a/server.c
+++ b/server.c
@@ -74,7 +74,7 @@ server_create_socket(void)
struct sockaddr_un sa;
size_t size;
mode_t mask;
- int fd, mode;
+ int fd;
memset(&sa, 0, sizeof sa);
sa.sun_family = AF_UNIX;
@@ -95,11 +95,7 @@ server_create_socket(void)
if (listen(fd, 16) == -1)
fatal("listen failed");
-
- if ((mode = fcntl(fd, F_GETFL)) == -1)
- fatal("fcntl failed");
- if (fcntl(fd, F_SETFL, mode|O_NONBLOCK) == -1)
- fatal("fcntl failed");
+ setblocking(fd, 0);
server_update_socket();
diff --git a/tmux.c b/tmux.c
index 007d81fd..3b40da12 100644
--- a/tmux.c
+++ b/tmux.c
@@ -194,12 +194,25 @@ makesocketpath(const char *label)
return (path);
}
+void
+setblocking(int fd, int state)
+{
+ int mode;
+
+ if ((mode = fcntl(fd, F_GETFL)) != -1) {
+ if (!state)
+ mode |= O_NONBLOCK;
+ else
+ mode &= ~O_NONBLOCK;
+ fcntl(fd, F_SETFL, mode);
+ }
+}
+
__dead void
shell_exec(const char *shell, const char *shellcmd)
{
const char *shellname, *ptr;
char *argv0;
- int mode;
ptr = strrchr(shell, '/');
if (ptr != NULL && *(ptr + 1) != '\0')
@@ -212,12 +225,9 @@ shell_exec(const char *shell, const char *shellcmd)
xasprintf(&argv0, "%s", shellname);
setenv("SHELL", shell, 1);
- if ((mode = fcntl(STDIN_FILENO, F_GETFL)) != -1)
- fcntl(STDIN_FILENO, F_SETFL, mode & ~O_NONBLOCK);
- if ((mode = fcntl(STDOUT_FILENO, F_GETFL)) != -1)
- fcntl(STDOUT_FILENO, F_SETFL, mode & ~O_NONBLOCK);
- if ((mode = fcntl(STDERR_FILENO, F_GETFL)) != -1)
- fcntl(STDERR_FILENO, F_SETFL, mode & ~O_NONBLOCK);
+ setblocking(STDIN_FILENO, 1);
+ setblocking(STDOUT_FILENO, 1);
+ setblocking(STDERR_FILENO, 1);
closefrom(STDERR_FILENO + 1);
execl(shell, argv0, "-c", shellcmd, (char *) NULL);
diff --git a/tmux.h b/tmux.h
index 3e6ecec2..b1f733aa 100644
--- a/tmux.h
+++ b/tmux.h
@@ -1308,6 +1308,7 @@ void logfile(const char *);
const char *getshell(void);
int checkshell(const char *);
int areshell(const char *);
+void setblocking(int, int);
__dead void shell_exec(const char *, const char *);
/* cfg.c */
diff --git a/tty.c b/tty.c
index 80afa2d4..451a5df6 100644
--- a/tty.c
+++ b/tty.c
@@ -165,15 +165,11 @@ void
tty_start_tty(struct tty *tty)
{
struct termios tio;
- int mode;
if (tty->fd == -1)
return;
- if ((mode = fcntl(tty->fd, F_GETFL)) == -1)
- fatal("fcntl failed");
- if (fcntl(tty->fd, F_SETFL, mode|O_NONBLOCK) == -1)
- fatal("fcntl failed");
+ setblocking(tty->fd, 0);
bufferevent_enable(tty->event, EV_READ|EV_WRITE);
@@ -220,7 +216,6 @@ void
tty_stop_tty(struct tty *tty)
{
struct winsize ws;
- int mode;
if (!(tty->flags & TTY_STARTED))
return;
@@ -251,8 +246,7 @@ tty_stop_tty(struct tty *tty)
tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
- if ((mode = fcntl(tty->fd, F_GETFL)) != -1)
- fcntl(tty->fd, F_SETFL, mode & ~O_NONBLOCK);
+ setblocking(tty->fd, 1);
}
void
diff --git a/window.c b/window.c
index ebd3976b..f965d27f 100644
--- a/window.c
+++ b/window.c
@@ -563,7 +563,6 @@ window_pane_spawn(struct window_pane *wp, const char *cmd, const char *shell,
const char *cwd, struct environ *env, struct termios *tio, char **cause)
{
struct winsize ws;
- int mode;
char *argv0;
const char *ptr;
struct termios tio2;
@@ -637,10 +636,8 @@ window_pane_spawn(struct window_pane *wp, const char *cmd, const char *shell,
fatal("execl failed");
}
- if ((mode = fcntl(wp->fd, F_GETFL)) == -1)
- fatal("fcntl failed");
- if (fcntl(wp->fd, F_SETFL, mode|O_NONBLOCK) == -1)
- fatal("fcntl failed");
+ setblocking(wp->fd, 0);
+
wp->event = bufferevent_new(wp->fd,
window_pane_read_callback, NULL, window_pane_error_callback, wp);
bufferevent_enable(wp->event, EV_READ|EV_WRITE);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-25 05:41:00 +0000