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Use ASCII lock, like everything else does

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Submitted by: John Capo <jc@irbs.com>
This commit is contained in:
Andrey A. Chernov 1995-03-04 00:05:30 +00:00
parent 3c4d31f1c8
commit c08bf286df
1 changed files with 7 additions and 3 deletions
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10
usr.sbin/ppp/uucplock.c
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@ -30,7 +30,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id:$
* $Id: uucplock.c,v 1.2 1995/02/26 12:18:04 amurai Exp $
*
*/
@ -56,6 +56,7 @@ uu_lock(ttyname)
extern int errno;
int fd, pid;
char tbuf[sizeof(_PATH_LOCKDIRNAME) + MAXNAMLEN];
char pid_buf[64];
off_t lseek();
(void)sprintf(tbuf, _PATH_LOCKDIRNAME, ttyname);
@ -70,12 +71,14 @@ uu_lock(ttyname)
perror("lock open");
return(-1);
}
if (read(fd, &pid, sizeof(pid)) != sizeof(pid)) {
if (read(fd, pid_buf, sizeof(pid_buf)) <= 0) {
(void)close(fd);
perror("lock read");
return(-1);
}
pid = atoi(pid_buf);
if (kill(pid, 0) == 0 || errno != ESRCH) {
(void)close(fd); /* process is still running */
return(-1);
@ -92,7 +95,8 @@ uu_lock(ttyname)
/* fall out and finish the locking process */
}
pid = getpid();
if (write(fd, (char *)&pid, sizeof(pid)) != sizeof(pid)) {
sprintf(pid_buf, "%10u\n", pid);
if (write(fd, pid_buf, strlen(pid_buf)) != strlen(pid_buf)) {
(void)close(fd);
(void)unlink(tbuf);
perror("lock write");