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tty: Implement exclusive mode

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Implemented exclusive mode on Haiku and added the related `ioctl`
operations (`TIOCEXCL` and `TIOCNXCL`).

Change-Id: Iaa201ea20eec0e45d02dd5db9ba6aa35fd27dfb2
Reviewed-on: https://review.haiku-os.org/c/haiku/+/6387
Tested-by: Commit checker robot <[email protected]>
Reviewed-by: Jessica Hamilton <[email protected]>
This commit is contained in:
Trung Nguyen
2023-05-13 00:41:16 +00:00
committed by Jessica Hamilton
parent bbd6beb7ee
commit b197dcbafa
8 changed files with 101 additions and 69 deletions
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headers/os/drivers/tty/tty_module.h
+4 -4
View File
@@ -46,12 +46,12 @@ typedef struct tty_module_info tty_module_info;
struct tty_module_info {
module_info mi;
struct tty *(*tty_create)(tty_service_func serviceFunction, struct tty* master);
status_t (*tty_create)(tty_service_func serviceFunction, struct tty *master,
struct tty **tty);
void (*tty_destroy)(struct tty *tty);
struct tty_cookie *
(*tty_create_cookie)(struct tty *masterTTY, struct tty *slaveTTY,
uint32 openMode);
status_t (*tty_create_cookie)(struct tty *masterTTY, struct tty *slaveTTY,
uint32 openMode, struct tty_cookie **cookie);
void (*tty_close_cookie)(struct tty_cookie *cookie);
void (*tty_destroy_cookie)(struct tty_cookie *cookie);
headers/posix/termios.h
+2
View File
@@ -189,6 +189,8 @@ struct termios {
#define TIOCMBIC (TCGETA + 23) /* clear bits in line state */
#define TIOCGSID (TCGETA + 24) /* get session leader process group ID */
#define TIOCOUTQ (TCGETA + 25) /* get output queue size */
#define TIOCEXCL (TCGETA + 26) /* set exclusive use of tty */
#define TIOCNXCL (TCGETA + 27) /* clear exclusive use of tty */
/* Event codes. Returned from TCWAITEVENT */
#define EV_RING 0x0001