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lxc: remove use of the terms 'master' and 'slave' in PTY setup

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The two sides of a PTY can be referred to as primary and secondary
TTYs.

Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2020-06-17 11:56:58 +01:00
parent bd2502ce8f
commit a6e10dbd0b
1 changed files with 7 additions and 7 deletions
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14
src/lxc/lxc_controller.c
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@ -2054,25 +2054,25 @@ static int lxcSetPersonality(virDomainDefPtr def)
}
/* Create a private tty using the private devpts at PTMX, returning
* the master in *TTYMASTER and the name of the slave, _from the
* the primary in @ttyprimary and the name of the secondary, _from the
* perspective of the guest after remounting file systems_, in
* *TTYNAME. Heavily borrowed from glibc, but doesn't require that
* @ttyName. Heavily borrowed from glibc, but doesn't require that
* devpts == "/dev/pts" */
static int
lxcCreateTty(virLXCControllerPtr ctrl, int *ttymaster,
lxcCreateTty(virLXCControllerPtr ctrl, int *ttyprimary,
char **ttyName, char **ttyHostPath)
{
int ret = -1;
int ptyno;
int unlock = 0;
if ((*ttymaster = open(ctrl->devptmx, O_RDWR|O_NOCTTY|O_NONBLOCK)) < 0)
if ((*ttyprimary = open(ctrl->devptmx, O_RDWR|O_NOCTTY|O_NONBLOCK)) < 0)
goto cleanup;
if (ioctl(*ttymaster, TIOCSPTLCK, &unlock) < 0)
if (ioctl(*ttyprimary, TIOCSPTLCK, &unlock) < 0)
goto cleanup;
if (ioctl(*ttymaster, TIOCGPTN, &ptyno) < 0)
if (ioctl(*ttyprimary, TIOCGPTN, &ptyno) < 0)
goto cleanup;
/* If mount() succeeded at honoring newinstance, then the kernel
@ -2088,7 +2088,7 @@ lxcCreateTty(virLXCControllerPtr ctrl, int *ttymaster,
cleanup:
if (ret != 0) {
VIR_FORCE_CLOSE(*ttymaster);
VIR_FORCE_CLOSE(*ttyprimary);
g_free(*ttyName);
*ttyName = NULL;
}