/*
* $Log$
+ * Revision 1.12 2008/02/28 16:57:52 james
+ * *** empty log message ***
+ *
+ * Revision 1.11 2008/02/26 23:23:17 james
+ * *** empty log message ***
+ *
+ * Revision 1.10 2008/02/24 00:47:14 james
+ * *** empty log message ***
+ *
+ * Revision 1.9 2008/02/24 00:42:53 james
+ * *** empty log message ***
+ *
+ * Revision 1.8 2008/02/23 13:05:58 staffcvs
+ * *** empty log message ***
+ *
+ * Revision 1.7 2008/02/15 23:52:12 james
+ * *** empty log message ***
+ *
+ * Revision 1.6 2008/02/15 19:51:30 james
+ * *** empty log message ***
+ *
+ * Revision 1.5 2008/02/15 19:09:00 james
+ * *** empty log message ***
+ *
+ * Revision 1.4 2008/02/15 16:48:56 james
+ * *** empty log message ***
+ *
* Revision 1.3 2008/02/15 03:32:07 james
* *** empty log message ***
*
#include <dirent.h>
#include <sys/stat.h>
-#define LOCK_ASCII
-#undef LOCK_BINARY
-
-#define NLOCKFILES 10
-
-typedef struct
-{
- char *lockfiles[NLOCKFILES];
- char *potential_lockfiles[NLOCKFILES];
- struct timeval last_content_check;
-} Serial_lock;
typedef struct
{
TTY_SIGNATURE;
- Serial_lock lock;
+ Serial_lock *lock;
int fd;
} Serial;
-
-static int
-chown_uucp (fd)
- int fd;
-{
- static int uuid = -1, ugid;
- struct passwd *pw;
-
- if (uuid < 0)
- {
- if (pw = getpwnam ("uucp"))
- {
- uuid = pw->pw_uid;
- ugid = pw->pw_gid;
- }
- else
- {
- return -1;
- }
- }
- return fchown (fd, uuid, ugid);
-}
-
-int
-make_lockfile (char *name)
-{
- char buf[1024], tmpfn[1024];
- char *ptr;
- int fd;
- int i;
-
- strcpy (tmpfn, name);
-
- ptr = rindex (tmpfn, '/');
- if (!ptr)
- return -1;
-
- ptr++;
-
- ptr += sprintf (ptr, "LTMP.%d", getpid ());
- *ptr = 0;
-
- i = sprintf (buf, "%10d\n", getpid ());
-
- fd = open (tmpfn, O_WRONLY | O_CREAT | O_TRUNC, 0444);
- if (fd < 0)
- {
- unlink (tmpfn);
- return -1;
- }
-
- write (fd, buf, i);
- fchmod (fd, 044);
- if (chown_uucp (fd))
- {
- close (fd);
- unlink (tmpfn);
- return -1;
- }
-
- close (fd);
-
- if (link (tmpfn, name) < 0)
- {
- unlink (tmpfn);
- return -1;
- }
-
- unlink (tmpfn);
- return 0;
-}
-
-
-
-void
-construct_lock_file_name_by_name (char *ptr)
-{
-
- printf ("lock by file %s\n", ptr);
-
-}
-
-void
-construct_lock_file_name_by_device (dev_t dev)
-{
-
- printf ("lock by dev %x\n", dev);
-}
-
-
-#define DEV "/dev/"
-int
-construct_possible_lock_files (char *device)
-{
- int nl;
- struct dirent *de;
- DIR *d;
- struct stat dev_stat, ent_stat;
- char buf[1024];
-
-
- if (stat (device, &dev_stat))
- return -1;
- if (!S_ISCHR (dev_stat.st_mode))
- return -1;
-
- construct_lock_file_name_by_device (dev_stat.st_rdev);
-
- construct_lock_file_name_by_name (device);
-
- for (d = opendir (DEV); (de = readdir (d));)
- {
- strcpy (buf, DEV);
- strcat (buf, de->d_name);
-
- if (stat (buf, &ent_stat))
- continue;
- if (!S_ISCHR (ent_stat.st_mode))
- continue;
- if (ent_stat.st_rdev != dev_stat.st_rdev)
- continue;
-
- construct_lock_file_name_by_name (buf);
-
- }
- closedir (d);
-
-}
-
-
-static void
-serial_check_lock (Serial * t)
-{
-}
-
-
static void
serial_close (TTY * _t)
{
if (!t)
return;
+ tcflush (t->fd, TCIOFLUSH);
close (t->fd);
free (t);
}
-
static int
serial_read (TTY * _t, void *buf, int len)
{
Serial *t = (Serial *) _t;
int red, done = 0;
- serial_check_lock (t);
+ t->blocked = serial_lock_check (t->lock);
+
if (t->blocked)
return 0;
static int
-ptty_write (TTY * _t, void *buf, int len)
+serial_write (TTY * _t, void *buf, int len)
{
int writ, done = 0;
Serial *t = (Serial *) _t;
- serial_check_lock (t);
+ t->blocked = serial_lock_check (t->lock);
if (t->blocked)
return 0;
}
TTY *
-serial_open (char *path)
+serial_open (char *path, int lock_mode)
{
Serial *t;
pid_t child;
struct winsize winsize = { 0 };
struct termios termios;
int fd;
+ Serial_lock *l;
+ l = serial_lock_new (path, lock_mode);
+ if (!l)
+ return NULL;
- default_termios (&termios);
- fd = open (path, O_RDWR);
+ fd = open (path, O_RDWR | O_NOCTTY | O_NONBLOCK);
set_nonblocking (fd);
+
+ if (tcgetattr (fd, &termios))
+ {
+ close (fd);
+ return NULL;
+ }
+ default_termios (&termios);
+
+ if (tcsetattr (fd, TCSANOW, &termios))
+ {
+ close (fd);
+ return NULL;
+ }
+
t = (Serial *) malloc (sizeof (Serial));
+ t->lock = l;
+
strncpy (t->name, path, sizeof (t->name));
t->name[sizeof (t->name) - 1] = 0;
t->recv = serial_read;
- //t->xmit = serial_write;
+ t->xmit = serial_write;
t->close = serial_close;
t->fd = fd;
t->rfd = t->fd;
t->wfd = t->fd;
- t->size.x = VT102_COLS;
- t->size.y = VT102_ROWS;
- t->blocked = 0;
+ t->size.x = VT102_COLS_80;
+ t->size.y = VT102_ROWS_24;
+ t->blocked = serial_lock_check (t->lock);
+ t->hanging_up = 0;
return (TTY *) t;
}
~ianmdlvl / sympathy.git / blobdiff