diff options
Diffstat (limited to 'term/ptyio.c')
| -rw-r--r-- | term/ptyio.c | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/term/ptyio.c b/term/ptyio.c index 075ef2f8..22c46407 100644 --- a/term/ptyio.c +++ b/term/ptyio.c @@ -53,30 +53,6 @@ static int pktnostop = 0; static int ptyopen = 0; static int nptyperopens = 0; - - -enum rb -{ - RB_OPEN = 1, - RB_BUSY = 2, - RB_INC = 3, - RB_CREATE = 4, - RB_DESTROY = 5, - RB_DEC = 6, - RB_DROP_CARR = 7, -}; - -static enum rb record_buf[10000]; -static enum rb *rbc = record_buf; -static spin_lock_t rblock = SPIN_LOCK_INITIALIZER; -static void -xxx_record (enum rb n) -{ - spin_lock (&rblock); - *rbc++ = n; - spin_unlock (&rblock); -} - void @@ -99,12 +75,10 @@ pty_open_hook (struct trivfs_control *cntl, if (ptyopen) { - xxx_record (RB_BUSY); mutex_unlock (&global_lock); return EBUSY; } - xxx_record (RB_OPEN); ptyopen = 1; mutex_unlock (&global_lock); return 0; @@ -113,11 +87,9 @@ pty_open_hook (struct trivfs_control *cntl, error_t pty_po_create_hook (struct trivfs_peropen *po) { - xxx_record (RB_CREATE); mutex_lock (&global_lock); if (po->openmodes & (O_READ | O_WRITE)) { - xxx_record (RB_INC); nptyperopens++; report_carrier_on (); } @@ -128,7 +100,6 @@ pty_po_create_hook (struct trivfs_peropen *po) error_t pty_po_destroy_hook (struct trivfs_peropen *po) { - xxx_record (RB_DESTROY); mutex_lock (&global_lock); if ((po->openmodes & (O_READ | O_WRITE)) == 0) { @@ -136,10 +107,8 @@ pty_po_destroy_hook (struct trivfs_peropen *po) return 0; } nptyperopens--; - xxx_record (RB_DEC); if (!nptyperopens) { - xxx_record (RB_DROP_CARR); ptyopen = 0; report_carrier_off (); } |