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* fork.cc (fork): Move top-of-stack calculation later. 

* pinfo.cc (_pinfo::set_ctty): Use __ctty to print current console in debugging
output.
This commit is contained in:
Christopher Faylor 2005-11-17 16:36:00 +00:00
parent 0f46c31745
commit 7912bcbf36
3 changed files with 16 additions and 8 deletions
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7
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,10 @@
2005-11-17 Christopher Faylor <cgf@timesys.com>
* fork.cc (fork): Move top-of-stack calculation later.
* pinfo.cc (_pinfo::set_ctty): Use __ctty to print current console in
debugging output.
2005-11-17 Corinna Vinschen <corinna@vinschen.de> 2005-11-17 Corinna Vinschen <corinna@vinschen.de>
* fhandler_tty.cc (fhandler_tty_slave::open): Don't expect that * fhandler_tty.cc (fhandler_tty_slave::open): Don't expect that

7
winsup/cygwin/fork.cc
View File

@ -557,11 +557,8 @@ fork ()
grouped.load_dlls = 0; grouped.load_dlls = 0;
int res; int res;
void *esp;
int ischild; int ischild;
__asm__ volatile ("movl %%esp,%0": "=r" (esp));
myself->set_has_pgid_children (); myself->set_has_pgid_children ();
if (grouped.ch.parent == NULL) if (grouped.ch.parent == NULL)
@ -574,6 +571,10 @@ fork ()
sig_send (NULL, __SIGHOLD); sig_send (NULL, __SIGHOLD);
ischild = setjmp (grouped.ch.jmp); ischild = setjmp (grouped.ch.jmp);
void *esp;
__asm__ volatile ("movl %%esp,%0": "=r" (esp));
if (!ischild) if (!ischild)
res = grouped.parent (esp); res = grouped.parent (esp);
else else

10
winsup/cygwin/pinfo.cc
View File

@ -330,18 +330,18 @@ _pinfo::_ctty (char *buf)
void void
_pinfo::set_ctty (tty_min *tc, int flags, fhandler_tty_slave *arch) _pinfo::set_ctty (tty_min *tc, int flags, fhandler_tty_slave *arch)
{ {
debug_printf ("checking if /dev/tty%d changed", ctty); debug_printf ("old %s", __ctty ());
if ((ctty < 0 || ctty == tc->ntty) && !(flags & O_NOCTTY)) if ((ctty < 0 || ctty == tc->ntty) && !(flags & O_NOCTTY))
{ {
ctty = tc->ntty; ctty = tc->ntty;
syscall_printf ("attached tty%d sid %d, pid %d, tty->pgid %d, tty->sid %d", syscall_printf ("attached %s sid %d, pid %d, tty->pgid %d, tty->sid %d",
tc->ntty, sid, pid, pgid, tc->getsid ()); __ctty (), sid, pid, pgid, tc->getsid ());
pinfo p (tc->getsid ()); pinfo p (tc->getsid ());
if (sid == pid && (!p || p->pid == pid || !p->exists ())) if (sid == pid && (!p || p->pid == pid || !p->exists ()))
{ {
paranoid_printf ("resetting tty%d sid. Was %d, now %d. pgid was %d, now %d.", paranoid_printf ("resetting %s sid. Was %d, now %d. pgid was %d, now %d.",
tc->ntty, tc->getsid (), sid, tc->getpgid (), pgid); __ctty (), tc->getsid (), sid, tc->getpgid (), pgid);
/* We are the session leader */ /* We are the session leader */
tc->setsid (sid); tc->setsid (sid);
tc->setpgid (pgid); tc->setpgid (pgid);