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Also publish /dev/tty. Opening it will open the controlling tty for the

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current process.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24681 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2008-03-30 16:03:19 +00:00
parent be8a6e43ff
commit 1ed6a33cc5
2 changed files with 16 additions and 4 deletions
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7
src/add-ons/kernel/drivers/tty/driver.cpp
View File

@ -27,8 +27,9 @@ static const int kMaxCachedSemaphores = 8;
int32 api_version = B_CUR_DRIVER_API_VERSION;
static char *sDeviceNames[kNumTTYs * 2 + 1];
// reserve space for "pt/" and "tt/" entries and the terminating NULL
static char *sDeviceNames[kNumTTYs * 2 + 2];
// reserve space for "pt/" and "tt/" entries, "tty", and the terminating
// NULL
struct mutex gGlobalTTYLock;
struct mutex gTTYCookieLock;
@ -100,6 +101,8 @@ init_driver(void)
}
}
sDeviceNames[2 * kNumTTYs] = "tty";
tty_add_debugger_commands();
return B_OK;

13
src/add-ons/kernel/drivers/tty/slave.cpp
View File

@ -31,9 +31,18 @@ struct tty gSlaveTTYs[kNumTTYs];
static status_t
slave_open(const char *name, uint32 flags, void **_cookie)
{
// Get the tty index: Opening "/dev/tty" means opening the process'
// controlling tty.
int32 index = get_tty_index(name);
if (index >= (int32)kNumTTYs)
return B_ERROR;
if (strcmp(name, "tty") == 0) {
index = team_get_controlling_tty();
if (index < 0)
return B_NOT_ALLOWED;
} else {
index = get_tty_index(name);
if (index >= (int32)kNumTTYs)
return B_ERROR;
}
TRACE(("slave_open: TTY index = %ld (name = %s)\n", index, name));