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Read from fd[0] and write to fd[1] where `fd' is the

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result of a pipe().  This matters under OpenBSD.
This commit is contained in:
Brian Somers 1999-03-07 01:41:40 +00:00
parent da42fa6060
commit 4be0e57de1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=44541
1 changed files with 12 additions and 12 deletions
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24
usr.sbin/ppp/bundle.c
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@ -23,7 +23,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: bundle.c,v 1.47 1999/03/01 00:43:48 brian Exp $
* $Id: bundle.c,v 1.48 1999/03/04 17:42:14 brian Exp $
*/
#include <sys/param.h>
@ -1666,9 +1666,9 @@ bundle_setsid(struct bundle *bundle, int holdsession)
close(fds[1]);
return;
case 0:
close(fds[0]);
read(fds[1], &done, 1); /* uu_locks are mine ! */
close(fds[1]);
read(fds[0], &done, 1); /* uu_locks are mine ! */
close(fds[0]);
if (pipe(fds) == -1) {
log_Printf(LogERROR, "pipe(2): %s\n", strerror(errno));
return;
@ -1680,10 +1680,10 @@ bundle_setsid(struct bundle *bundle, int holdsession)
close(fds[1]);
return;
case 0:
close(fds[0]);
bundle_LockTun(bundle); /* update pid */
read(fds[1], &done, 1); /* uu_locks are mine ! */
close(fds[1]);
bundle_LockTun(bundle); /* update pid */
read(fds[0], &done, 1); /* uu_locks are mine ! */
close(fds[0]);
setsid();
log_Printf(LogPHASE, "%d -> %d: %s session control\n",
(int)orig, (int)getpid(),
@ -1691,25 +1691,25 @@ bundle_setsid(struct bundle *bundle, int holdsession)
timer_InitService(0); /* Start the Timer Service */
break;
default:
close(fds[1]);
close(fds[0]);
/* Give away all our modem locks (to the final process) */
for (dl = bundle->links; dl; dl = dl->next)
if (dl->state != DATALINK_CLOSED)
modem_ChangedPid(dl->physical, pid);
write(fds[0], "!", 1); /* done */
close(fds[0]);
write(fds[1], "!", 1); /* done */
close(fds[1]);
exit(0);
break;
}
break;
default:
close(fds[1]);
close(fds[0]);
/* Give away all our modem locks (to the intermediate process) */
for (dl = bundle->links; dl; dl = dl->next)
if (dl->state != DATALINK_CLOSED)
modem_ChangedPid(dl->physical, pid);
write(fds[0], "!", 1); /* done */
close(fds[0]);
write(fds[1], "!", 1); /* done */
close(fds[1]);
if (holdsession) {
int fd, status;