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

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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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14
tmux.c
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@ -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");