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Set uninitialized inotify_fd to -1, not 0

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Currently we set inotify_fd to the value 0 when inotify_fd hasn't been
created yet, or after we close it. But 0 is a valid fd, and we check
for the value -1 to see if it's been initialized. So, if inotify
support is compiled in, but we disable_auto_reload, we can end up
closing fd 0. This can screw up various other things in weird ways,
including that exec'd processes appear to have an invalid stdin.

So, set inotify_fd to -1 to clear all of this up.
This commit is contained in:
Andrew Deason 2013-08-18 13:50:17 -05:00
parent 02dfacd694
commit f670e70d7c
1 changed files with 3 additions and 3 deletions
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6
src/conky.cc
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@ -2017,7 +2017,7 @@ static void update_text(void)
}
#ifdef HAVE_SYS_INOTIFY_H
int inotify_fd;
int inotify_fd = -1;
#endif
static void main_loop(void)
@ -2484,7 +2484,7 @@ static void main_loop(void)
} else if (disable_auto_reload.get(*state) && inotify_fd != -1) {
inotify_rm_watch(inotify_fd, inotify_config_wd);
close(inotify_fd);
inotify_fd = inotify_config_wd = 0;
inotify_fd = inotify_config_wd = -1;
}
#endif /* HAVE_SYS_INOTIFY_H */
@ -2497,7 +2497,7 @@ static void main_loop(void)
if (inotify_fd != -1) {
inotify_rm_watch(inotify_fd, inotify_config_wd);
close(inotify_fd);
inotify_fd = inotify_config_wd = 0;
inotify_fd = inotify_config_wd = -1;
}
#endif /* HAVE_SYS_INOTIFY_H */
}