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Sync OpenBSD patchset 848:

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Set $TMUX without the session when background jobs are run.
This commit is contained in:
Tiago Cunha 2011-02-14 23:11:33 +00:00
parent d37650dc4f
commit d0d1c0e486
5 changed files with 40 additions and 53 deletions
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4
cmd.c
View File

@ -1,4 +1,4 @@
/* $Id: cmd.c,v 1.148 2011-01-07 14:45:34 tcunha Exp $ */ /* $Id: cmd.c,v 1.149 2011-02-14 23:11:33 tcunha Exp $ */
/* /*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -355,7 +355,7 @@ cmd_current_session(struct cmd_ctx *ctx)
} }
/* Use the session from the TMUX environment variable. */ /* Use the session from the TMUX environment variable. */
if (data != NULL && data->pid == getpid()) { if (data != NULL && data->pid == getpid() && data->idx != -1) {
s = session_find_by_index(data->idx); s = session_find_by_index(data->idx);
if (s != NULL) if (s != NULL)
return (s); return (s);

12
job.c
View File

@ -1,4 +1,4 @@
/* $Id: job.c,v 1.20 2011-01-21 23:44:13 tcunha Exp $ */ /* $Id: job.c,v 1.21 2011-02-14 23:11:33 tcunha Exp $ */
/* /*
* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net> * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
@ -136,6 +136,7 @@ job_free(struct job *job)
int int
job_run(struct job *job) job_run(struct job *job)
{ {
struct environ env;
int nullfd, out[2]; int nullfd, out[2];
if (job->fd != -1 || job->pid != -1) if (job->fd != -1 || job->pid != -1)
@ -144,13 +145,19 @@ job_run(struct job *job)
if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, out) != 0) if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, out) != 0)
return (-1); return (-1);
environ_init(&env);
environ_copy(&global_environ, &env);
server_fill_environ(NULL, &env);
switch (job->pid = fork()) { switch (job->pid = fork()) {
case -1: case -1:
environ_free(&env);
return (-1); return (-1);
case 0: /* child */ case 0: /* child */
clear_signals(1); clear_signals(1);
environ_push(&global_environ); environ_push(&env);
environ_free(&env);
if (dup2(out[1], STDOUT_FILENO) == -1) if (dup2(out[1], STDOUT_FILENO) == -1)
fatal("dup2 failed"); fatal("dup2 failed");
@ -173,6 +180,7 @@ job_run(struct job *job)
execl(_PATH_BSHELL, "sh", "-c", job->cmd, (char *) NULL); execl(_PATH_BSHELL, "sh", "-c", job->cmd, (char *) NULL);
fatal("execl failed"); fatal("execl failed");
default: /* parent */ default: /* parent */
environ_free(&env);
close(out[1]); close(out[1]);
job->fd = out[0]; job->fd = out[0];

18
server-fn.c
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@ -1,4 +1,4 @@
/* $Id: server-fn.c,v 1.118 2011-01-03 23:27:54 tcunha Exp $ */ /* $Id: server-fn.c,v 1.119 2011-02-14 23:11:33 tcunha Exp $ */
/* /*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -30,14 +30,20 @@ void server_callback_identify(int, short, void *);
void void
server_fill_environ(struct session *s, struct environ *env) server_fill_environ(struct session *s, struct environ *env)
{ {
char tmuxvar[MAXPATHLEN], *term; char var[MAXPATHLEN], *term;
u_int idx;
xsnprintf(tmuxvar, sizeof tmuxvar, long pid;
"%s,%ld,%u", socket_path, (long) getpid(), s->idx);
environ_set(env, "TMUX", tmuxvar);
if (s != NULL) {
term = options_get_string(&s->options, "default-terminal"); term = options_get_string(&s->options, "default-terminal");
environ_set(env, "TERM", term); environ_set(env, "TERM", term);
idx = s->idx;
} else
idx = -1;
pid = getpid();
xsnprintf(var, sizeof var, "%s,%ld,%d", socket_path, pid, idx);
environ_set(env, "TMUX", var);
} }
void void

47
tmux.c
View File

@ -1,4 +1,4 @@
/* $Id: tmux.c,v 1.235 2011-01-21 23:46:50 tcunha Exp $ */ /* $Id: tmux.c,v 1.236 2011-02-14 23:11:33 tcunha Exp $ */
/* /*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -47,8 +47,8 @@ time_t start_time;
char socket_path[MAXPATHLEN]; char socket_path[MAXPATHLEN];
int login_shell; int login_shell;
char *environ_path; char *environ_path;
pid_t environ_pid; pid_t environ_pid = -1;
u_int environ_idx; int environ_idx = -1;
__dead void usage(void); __dead void usage(void);
void parseenvironment(void); void parseenvironment(void);
@ -128,45 +128,18 @@ areshell(const char *shell)
void void
parseenvironment(void) parseenvironment(void)
{ {
char *env, *path_pid, *pid_idx, buf[256]; char *env, path[256];
size_t len; long pid;
const char *errstr; int idx;
long long ll;
environ_pid = -1;
if ((env = getenv("TMUX")) == NULL) if ((env = getenv("TMUX")) == NULL)
return; return;
if ((path_pid = strchr(env, ',')) == NULL || path_pid == env) if (sscanf(env, "%255s,%ld,%d", path, &pid, &idx) != 3)
return; return;
if ((pid_idx = strchr(path_pid + 1, ',')) == NULL) environ_path = xstrdup(path);
return; environ_pid = pid;
if ((pid_idx == path_pid + 1 || pid_idx[1] == '\0')) environ_idx = idx;
return;
/* path */
len = path_pid - env;
environ_path = xmalloc(len + 1);
memcpy(environ_path, env, len);
environ_path[len] = '\0';
/* pid */
len = pid_idx - path_pid - 1;
if (len > (sizeof buf) - 1)
return;
memcpy(buf, path_pid + 1, len);
buf[len] = '\0';
ll = strtonum(buf, 0, LONG_MAX, &errstr);
if (errstr != NULL)
return;
environ_pid = ll;
/* idx */
ll = strtonum(pid_idx + 1, 0, UINT_MAX, &errstr);
if (errstr != NULL)
return;
environ_idx = ll;
} }
char * char *

8
tmux.h
View File

@ -1,4 +1,4 @@
/* $Id: tmux.h,v 1.605 2011-01-21 23:56:11 tcunha Exp $ */ /* $Id: tmux.h,v 1.606 2011-02-14 23:11:33 tcunha Exp $ */
/* /*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -379,8 +379,8 @@ enum msgtype {
* Don't forget to bump PROTOCOL_VERSION if any of these change! * Don't forget to bump PROTOCOL_VERSION if any of these change!
*/ */
struct msg_command_data { struct msg_command_data {
pid_t pid; /* pid from $TMUX or -1 */ pid_t pid; /* PID from $TMUX or -1 */
u_int idx; /* index from $TMUX */ int idx; /* index from $TMUX or -1 */
int argc; int argc;
char argv[COMMAND_LENGTH]; char argv[COMMAND_LENGTH];
@ -1297,7 +1297,7 @@ extern char socket_path[MAXPATHLEN];
extern int login_shell; extern int login_shell;
extern char *environ_path; extern char *environ_path;
extern pid_t environ_pid; extern pid_t environ_pid;
extern u_int environ_idx; extern int environ_idx;
void logfile(const char *); void logfile(const char *);
const char *getshell(void); const char *getshell(void);
int checkshell(const char *); int checkshell(const char *);