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Return the command client return code with MSG_EXIT now that MSG_ERROR and

Browse Source 
MSG_PRINT are unused.

New clients should be compatible with old tmux servers but vice versa may print
an error.
This commit is contained in:
Nicholas Marriott 2010-07-11 17:06:45 +00:00
parent b4b9b831ee
commit b9c873cdaa
5 changed files with 34 additions and 15 deletions
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5
cmd-if-shell.c
View File

@ -104,10 +104,13 @@ cmd_if_shell_free(void *data)
{
struct cmd_if_shell_data *cdata = data;
struct cmd_ctx *ctx = &cdata->ctx;
struct msg_exit_data exitdata;
if (ctx->cmdclient != NULL) {
ctx->cmdclient->references--;
server_write_client(ctx->cmdclient, MSG_EXIT, NULL, 0);
exitdata.retcode = ctx->cmdclient->retcode;
server_write_client(
ctx->cmdclient, MSG_EXIT, &exitdata, sizeof exitdata);
}
if (ctx->curclient != NULL)
ctx->curclient->references--;

5
cmd-run-shell.c
View File

@ -131,10 +131,13 @@ cmd_run_shell_free(void *data)
{
struct cmd_run_shell_data *cdata = data;
struct cmd_ctx *ctx = &cdata->ctx;
struct msg_exit_data exitdata;
if (ctx->cmdclient != NULL) {
ctx->cmdclient->references--;
server_write_client(ctx->cmdclient, MSG_EXIT, NULL, 0);
exitdata.retcode = ctx->cmdclient->retcode;
server_write_client(
ctx->cmdclient, MSG_EXIT, &exitdata, sizeof exitdata);
}
if (ctx->curclient != NULL)
ctx->curclient->references--;

20
server-client.c
View File

@ -664,6 +664,8 @@ server_client_msg_error(struct cmd_ctx *ctx, const char *fmt, ...)
fputc('\n', ctx->cmdclient->stderr_file);
fflush(ctx->cmdclient->stderr_file);
ctx->cmdclient->retcode = 1;
}
/* Callback to send print message to client. */
@ -701,10 +703,11 @@ server_client_msg_info(struct cmd_ctx *ctx, const char *fmt, ...)
void
server_client_msg_command(struct client *c, struct msg_command_data *data)
{
struct cmd_ctx ctx;
struct cmd_list *cmdlist = NULL;
int argc;
char **argv, *cause;
struct cmd_ctx ctx;
struct cmd_list *cmdlist = NULL;
struct msg_exit_data exitdata;
int argc;
char **argv, *cause;
ctx.error = server_client_msg_error;
ctx.print = server_client_msg_print;
@ -735,15 +738,18 @@ server_client_msg_command(struct client *c, struct msg_command_data *data)
}
cmd_free_argv(argc, argv);
if (cmd_list_exec(cmdlist, &ctx) != 1)
server_write_client(c, MSG_EXIT, NULL, 0);
if (cmd_list_exec(cmdlist, &ctx) != 1) {
exitdata.retcode = c->retcode;
server_write_client(c, MSG_EXIT, &exitdata, sizeof exitdata);
}
cmd_list_free(cmdlist);
return;
error:
if (cmdlist != NULL)
cmd_list_free(cmdlist);
server_write_client(c, MSG_EXIT, NULL, 0);
exitdata.retcode = c->retcode;
server_write_client(c, MSG_EXIT, &exitdata, sizeof exitdata);
}
/* Handle identify message. */

14
tmux.c
View File

@ -61,7 +61,6 @@ char *makesockpath(const char *);
__dead void shell_exec(const char *, const char *);
struct imsgbuf *main_ibuf;
int main_exitval;
void main_signal(int, short, unused void *);
void main_callback(int, short, void *);
@ -548,7 +547,6 @@ main(int argc, char **argv)
events |= EV_WRITE;
event_once(main_ibuf->fd, events, main_callback, shellcmd, NULL);
main_exitval = 0;
event_dispatch();
clear_signals();
@ -597,6 +595,7 @@ main_dispatch(const char *shellcmd)
struct imsg imsg;
ssize_t n, datalen;
struct msg_shell_data shelldata;
struct msg_exit_data exitdata;
if ((n = imsg_read(main_ibuf)) == -1 || n == 0)
fatalx("imsg_read failed");
@ -611,10 +610,13 @@ main_dispatch(const char *shellcmd)
switch (imsg.hdr.type) {
case MSG_EXIT:
case MSG_SHUTDOWN:
if (datalen != 0)
fatalx("bad MSG_EXIT size");
exit(main_exitval);
if (datalen != sizeof exitdata) {
if (datalen != 0)
fatalx("bad MSG_EXIT size");
exit(0);
}
memcpy(&exitdata, imsg.data, sizeof exitdata);
exit(exitdata.retcode);
case MSG_READY:
if (datalen != 0)
fatalx("bad MSG_READY size");

5
tmux.h
View File

@ -413,6 +413,10 @@ struct msg_shell_data {
char shell[MAXPATHLEN];
};
struct msg_exit_data {
int retcode;
};
/* Mode key commands. */
enum mode_key_cmd {
MODEKEY_NONE,
@ -1081,6 +1085,7 @@ struct message_entry {
struct client {
struct imsgbuf ibuf;
struct event event;
int retcode;
struct timeval creation_time;
struct timeval activity_time;