Release 4.7 drivers/tty/tty_mutex.c
#include <linux/tty.h>
#include <linux/module.h>
#include <linux/kallsyms.h>
#include <linux/semaphore.h>
#include <linux/sched.h>
/* Legacy tty mutex glue */
/*
* Getting the big tty mutex.
*/
void tty_lock(struct tty_struct *tty)
{
if (WARN(tty->magic != TTY_MAGIC, "L Bad %p\n", tty))
return;
tty_kref_get(tty);
mutex_lock(&tty->legacy_mutex);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| alan cox | alan cox | 33 | 84.62% | 2 | 50.00% |
| peter hurley | peter hurley | 6 | 15.38% | 2 | 50.00% |
| Total | 39 | 100.00% | 4 | 100.00% |
EXPORT_SYMBOL(tty_lock);
int tty_lock_interruptible(struct tty_struct *tty)
{
int ret;
if (WARN(tty->magic != TTY_MAGIC, "L Bad %p\n", tty))
return -EIO;
tty_kref_get(tty);
ret = mutex_lock_interruptible(&tty->legacy_mutex);
if (ret)
tty_kref_put(tty);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| peter hurley | peter hurley | 59 | 100.00% | 2 | 100.00% |
| Total | 59 | 100.00% | 2 | 100.00% |
void tty_unlock(struct tty_struct *tty)
{
if (WARN(tty->magic != TTY_MAGIC, "U Bad %p\n", tty))
return;
mutex_unlock(&tty->legacy_mutex);
tty_kref_put(tty);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| alan cox | alan cox | 24 | 61.54% | 1 | 33.33% |
| arnd bergmann | arnd bergmann | 11 | 28.21% | 1 | 33.33% |
| peter hurley | peter hurley | 4 | 10.26% | 1 | 33.33% |
| Total | 39 | 100.00% | 3 | 100.00% |
EXPORT_SYMBOL(tty_unlock);
void tty_lock_slave(struct tty_struct *tty)
{
if (tty && tty != tty->link)
tty_lock(tty);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| alan cox | alan cox | 17 | 68.00% | 1 | 33.33% |
| peter hurley | peter hurley | 8 | 32.00% | 2 | 66.67% |
| Total | 25 | 100.00% | 3 | 100.00% |
void tty_unlock_slave(struct tty_struct *tty)
{
if (tty && tty != tty->link)
tty_unlock(tty);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| alan cox | alan cox | 19 | 76.00% | 1 | 50.00% |
| peter hurley | peter hurley | 6 | 24.00% | 1 | 50.00% |
| Total | 25 | 100.00% | 2 | 100.00% |
void tty_set_lock_subclass(struct tty_struct *tty)
{
lockdep_set_subclass(&tty->legacy_mutex, TTY_LOCK_SLAVE);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| peter hurley | peter hurley | 20 | 100.00% | 2 | 100.00% |
| Total | 20 | 100.00% | 2 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| peter hurley | peter hurley | 103 | 44.02% | 6 | 66.67% |
| alan cox | alan cox | 95 | 40.60% | 2 | 22.22% |
| arnd bergmann | arnd bergmann | 36 | 15.38% | 1 | 11.11% |
| Total | 234 | 100.00% | 9 | 100.00% |
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