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Don't try to change the window name unless the pid of the process chosen has

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changed. Reduces CPU use.

osdep-* stuff is a bit horrible now but there we go :-/.
This commit is contained in:
Nicholas Marriott
2009-02-09 18:08:01 +00:00
parent 9d90d9ad70
commit c9cfc9a9f3
7 changed files with 83 additions and 54 deletions
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15
osdep-linux.c
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@ -1,4 +1,4 @@
/* $Id: osdep-linux.c,v 1.3 2009-02-02 15:46:36 nicm Exp $ */
/* $Id: osdep-linux.c,v 1.4 2009-02-09 18:08:01 nicm Exp $ */
/*
* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
@ -26,8 +26,8 @@
#include "tmux.h"
char *
get_argv0(int fd, unused char *tty)
int
osdep_get_name(int fd, unused char *tty, unused pid_t *last_pid, char **name)
{
FILE *f;
char *path, *buf;
@ -35,13 +35,15 @@ get_argv0(int fd, unused char *tty)
int ch;
pid_t pgrp;
*name = NULL;
if ((pgrp = tcgetpgrp(fd)) == -1)
return (NULL);
return (-1);
xasprintf(&path, "/proc/%lld/cmdline", (long long) pgrp);
if ((f = fopen(path, "r")) == NULL) {
xfree(path);
return (NULL);
return (-1);
}
xfree(path);
@ -55,9 +57,10 @@ get_argv0(int fd, unused char *tty)
}
if (buf != NULL)
buf[len] = '\0';
*name = buf;
fclose(f);
return (buf);
return (0);
}
#endif