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https://github.com/tmux/tmux.git
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Sync OpenBSD patchset 172:
Tidy client message return slightly: convert flags into an enum, and merge error string into struct client_ctx as well.
This commit is contained in:
Tiago Cunha
parent
2e4df706f6
commit
1870b96578
56
client-msg.c
56
client-msg.c
@ -1,4 +1,4 @@
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/* $Id: client-msg.c,v 1.20 2009-07-22 17:38:11 tcunha Exp $ */
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/* $Id: client-msg.c,v 1.21 2009-07-23 23:42:59 tcunha Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -25,16 +25,16 @@
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#include "tmux.h"
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int client_msg_fn_detach(struct hdr *, struct client_ctx *, char **);
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int client_msg_fn_error(struct hdr *, struct client_ctx *, char **);
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int client_msg_fn_shutdown(struct hdr *, struct client_ctx *, char **);
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int client_msg_fn_exit(struct hdr *, struct client_ctx *, char **);
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int client_msg_fn_exited(struct hdr *, struct client_ctx *, char **);
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int client_msg_fn_suspend(struct hdr *, struct client_ctx *, char **);
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int client_msg_fn_detach(struct hdr *, struct client_ctx *);
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int client_msg_fn_error(struct hdr *, struct client_ctx *);
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int client_msg_fn_shutdown(struct hdr *, struct client_ctx *);
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int client_msg_fn_exit(struct hdr *, struct client_ctx *);
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int client_msg_fn_exited(struct hdr *, struct client_ctx *);
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int client_msg_fn_suspend(struct hdr *, struct client_ctx *);
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struct client_msg {
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enum hdrtype type;
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int (*fn)(struct hdr *, struct client_ctx *, char **);
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int (*fn)(struct hdr *, struct client_ctx *);
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};
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struct client_msg client_msg_table[] = {
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{ MSG_DETACH, client_msg_fn_detach },
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@ -46,7 +46,7 @@ struct client_msg client_msg_table[] = {
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};
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int
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client_msg_dispatch(struct client_ctx *cctx, char **error)
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client_msg_dispatch(struct client_ctx *cctx)
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{
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struct hdr hdr;
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struct client_msg *msg;
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@ -61,70 +61,67 @@ client_msg_dispatch(struct client_ctx *cctx, char **error)
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for (i = 0; i < nitems(client_msg_table); i++) {
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msg = client_msg_table + i;
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if (msg->type == hdr.type) {
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if (msg->fn(&hdr, cctx, error) != 0)
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return (-1);
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return (0);
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}
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if (msg->type == hdr.type)
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return (msg->fn(&hdr, cctx));
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}
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fatalx("unexpected message");
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}
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int
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client_msg_fn_error(struct hdr *hdr, struct client_ctx *cctx, char **error)
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client_msg_fn_error(struct hdr *hdr, struct client_ctx *cctx)
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{
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char *errstr;
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if (hdr->size == SIZE_MAX)
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fatalx("bad MSG_ERROR size");
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*error = xmalloc(hdr->size + 1);
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buffer_read(cctx->srv_in, *error, hdr->size);
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(*error)[hdr->size] = '\0';
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errstr = xmalloc(hdr->size + 1);
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buffer_read(cctx->srv_in, errstr, hdr->size);
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errstr[hdr->size] = '\0';
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cctx->errstr = errstr;
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return (-1);
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}
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int
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client_msg_fn_detach(
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struct hdr *hdr, struct client_ctx *cctx, unused char **error)
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client_msg_fn_detach(struct hdr *hdr, struct client_ctx *cctx)
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{
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if (hdr->size != 0)
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fatalx("bad MSG_DETACH size");
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client_write_server(cctx, MSG_EXITING, NULL, 0);
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cctx->flags |= CCTX_DETACH;
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cctx->exittype = CCTX_DETACH;
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return (0);
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}
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int
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client_msg_fn_shutdown(
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struct hdr *hdr, struct client_ctx *cctx, unused char **error)
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struct hdr *hdr, struct client_ctx *cctx)
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{
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if (hdr->size != 0)
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fatalx("bad MSG_SHUTDOWN size");
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client_write_server(cctx, MSG_EXITING, NULL, 0);
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cctx->flags |= CCTX_SHUTDOWN;
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cctx->exittype = CCTX_SHUTDOWN;
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return (0);
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}
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int
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client_msg_fn_exit(
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struct hdr *hdr, struct client_ctx *cctx, unused char **error)
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client_msg_fn_exit(struct hdr *hdr, struct client_ctx *cctx)
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{
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if (hdr->size != 0)
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fatalx("bad MSG_EXIT size");
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client_write_server(cctx, MSG_EXITING, NULL, 0);
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cctx->flags |= CCTX_EXIT;
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cctx->exittype = CCTX_EXIT;
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return (0);
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}
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int
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client_msg_fn_exited(
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struct hdr *hdr, unused struct client_ctx *cctx, unused char **error)
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client_msg_fn_exited(struct hdr *hdr, unused struct client_ctx *cctx)
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{
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if (hdr->size != 0)
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fatalx("bad MSG_EXITED size");
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@ -133,8 +130,7 @@ client_msg_fn_exited(
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}
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int
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client_msg_fn_suspend(
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struct hdr *hdr, unused struct client_ctx *cctx, unused char **error)
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client_msg_fn_suspend(struct hdr *hdr, unused struct client_ctx *cctx)
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{
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struct sigaction act;
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35
client.c
35
client.c
@ -1,4 +1,4 @@
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/* $Id: client.c,v 1.54 2009-07-23 13:15:41 tcunha Exp $ */
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/* $Id: client.c,v 1.55 2009-07-23 23:42:59 tcunha Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -159,7 +159,7 @@ client_main(struct client_ctx *cctx)
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sigcont = 0;
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}
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switch (client_msg_dispatch(cctx, &error)) {
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switch (client_msg_dispatch(cctx)) {
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case -1:
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goto out;
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case 0:
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@ -183,8 +183,10 @@ client_main(struct client_ctx *cctx)
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fatal("poll failed");
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}
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if (buffer_poll(&pfd, cctx->srv_in, cctx->srv_out) != 0)
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goto server_dead;
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if (buffer_poll(&pfd, cctx->srv_in, cctx->srv_out) != 0) {
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cctx->exittype = CCTX_DIED;
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break;
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}
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}
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out:
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@ -192,28 +194,23 @@ out:
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printf("[terminated]\n");
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return (1);
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}
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if (cctx->flags & CCTX_SHUTDOWN) {
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switch (cctx->exittype) {
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case CCTX_DIED:
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printf("[lost server]\n");
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return (0);
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case CCTX_SHUTDOWN:
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printf("[server exited]\n");
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return (0);
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}
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if (cctx->flags & CCTX_EXIT) {
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case CCTX_EXIT:
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printf("[exited]\n");
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return (0);
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}
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if (cctx->flags & CCTX_DETACH) {
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case CCTX_DETACH:
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printf("[detached]\n");
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return (0);
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default:
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printf("[error: %s]\n", cctx->errstr);
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return (1);
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}
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printf("[error: %s]\n", error);
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return (1);
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server_dead:
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printf("[lost server]\n");
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return (0);
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}
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void
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15
tmux.h
15
tmux.h
@ -1,4 +1,4 @@
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/* $Id: tmux.h,v 1.387 2009-07-23 13:25:27 tcunha Exp $ */
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/* $Id: tmux.h,v 1.388 2009-07-23 23:42:59 tcunha Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -844,10 +844,13 @@ struct client_ctx {
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struct buffer *srv_in;
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struct buffer *srv_out;
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#define CCTX_DETACH 0x1
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#define CCTX_EXIT 0x2
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#define CCTX_SHUTDOWN 0x4
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int flags;
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enum {
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CCTX_DETACH,
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CCTX_EXIT,
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CCTX_DIED,
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CCTX_SHUTDOWN,
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} exittype;
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const char *errstr;
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};
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/* Key/command line command. */
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@ -1260,7 +1263,7 @@ int client_init(char *, struct client_ctx *, int, int);
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int client_main(struct client_ctx *);
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/* client-msg.c */
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int client_msg_dispatch(struct client_ctx *, char **);
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int client_msg_dispatch(struct client_ctx *);
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/* client-fn.c */
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void client_write_server(struct client_ctx *, enum hdrtype, void *, size_t);
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