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Unbreak tail -f on non-local filesystems.

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This commit is contained in:
Paul Saab 2005-08-26 08:15:57 +00:00
parent 8c190069a2
commit 13829828e7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=149485
1 changed files with 10 additions and 0 deletions
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10
usr.bin/tail/forward.c
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@ -42,6 +42,8 @@ __FBSDID("$FreeBSD$");
static const char sccsid[] = "@(#)forward.c 8.1 (Berkeley) 6/6/93";
#endif
#include <sys/param.h>
#include <sys/mount.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
@ -267,6 +269,7 @@ set_events(file_info_t *files)
int i, n = 0;
file_info_t *file;
struct timespec ts;
struct statfs sf;
ts.tv_sec = 0;
ts.tv_nsec = 0;
@ -275,6 +278,13 @@ set_events(file_info_t *files)
for (i = 0, file = files; i < no_files; i++, file++) {
if (! file->fp)
continue;
if (fstatfs(fileno(file->fp), &sf) == 0 &&
(sf.f_flags & MNT_LOCAL) == 0) {
action = USE_SLEEP;
return;
}
if (Fflag && fileno(file->fp) != STDIN_FILENO) {
EV_SET(&ev[n], fileno(file->fp), EVFILT_VNODE,
EV_ADD | EV_ENABLE | EV_CLEAR,