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Sync OpenBSD patchset 496:

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Switch window pane pipe redirect fd over to a bufferevent.
This commit is contained in:
Tiago Cunha
2009-11-08 22:59:53 +00:00
parent 971a7b2fe0
commit cb0bf6a043
4 changed files with 29 additions and 32 deletions
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27
cmd-pipe-pane.c
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@@ -1,4 +1,4 @@
/* $Id: cmd-pipe-pane.c,v 1.4 2009-11-08 22:40:36 tcunha Exp $ */
/* $Id: cmd-pipe-pane.c,v 1.5 2009-11-08 22:59:53 tcunha Exp $ */
/*
* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -17,6 +17,7 @@
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <errno.h>
#include <fcntl.h>
@@ -31,6 +32,8 @@
int cmd_pipe_pane_exec(struct cmd *, struct cmd_ctx *);
void cmd_pipe_pane_error_callback(struct bufferevent *, short, void *);
const struct cmd_entry cmd_pipe_pane_entry = {
"pipe-pane", "pipep",
CMD_TARGET_PANE_USAGE "[-o] [command]",
@@ -55,7 +58,7 @@ cmd_pipe_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
/* Destroy the old pipe. */
old_fd = wp->pipe_fd;
if (wp->pipe_fd != -1) {
buffer_destroy(wp->pipe_buf);
bufferevent_free(wp->pipe_event);
close(wp->pipe_fd);
wp->pipe_fd = -1;
}
@@ -74,8 +77,8 @@ cmd_pipe_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
return (0);
/* Open the new pipe. */
if (pipe(pipe_fd) != 0) {
ctx->error(ctx, "pipe error: %s", strerror(errno));
if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe_fd) != 0) {
ctx->error(ctx, "socketpair error: %s", strerror(errno));
return (-1);
}
@@ -109,9 +112,12 @@ cmd_pipe_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
close(pipe_fd[1]);
wp->pipe_fd = pipe_fd[0];
wp->pipe_buf = buffer_create(BUFSIZ);
wp->pipe_off = BUFFER_USED(wp->in);
wp->pipe_event = bufferevent_new(wp->pipe_fd,
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)
@@ -123,3 +129,14 @@ cmd_pipe_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
return (0);
}
void
cmd_pipe_pane_error_callback(
unused struct bufferevent *bufev, unused short what, void *data)
{
struct window_pane *wp = data;
bufferevent_free(wp->pipe_event);
close(wp->pipe_fd);
wp->pipe_fd = -1;
}