Differential D38933 Diff 120514 sys/compat/linux/linux_util.c

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sys/compat/linux/linux_util.c

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	LIN_SDT_PROVIDER_DEFINE(linuxulator32);			LIN_SDT_PROVIDER_DEFINE(linuxulator32);

	char linux_emul_path[MAXPATHLEN] = "/compat/linux";			char linux_emul_path[MAXPATHLEN] = "/compat/linux";

	SYSCTL_STRING(_compat_linux, OID_AUTO, emul_path, CTLFLAG_RWTUN,			SYSCTL_STRING(_compat_linux, OID_AUTO, emul_path, CTLFLAG_RWTUN,
	linux_emul_path, sizeof(linux_emul_path),			linux_emul_path, sizeof(linux_emul_path),
	"Linux runtime environment path");			"Linux runtime environment path");

	/*
	* Search an alternate path before passing pathname arguments on to
	* system calls. Useful for keeping a separate 'emulation tree'.
	*
	* If cflag is set, we check if an attempt can be made to create the
	* named file, i.e. we check if the directory it should be in exists.
	*/
	int			int
	linux_emul_convpath(const char *path, enum uio_seg pathseg,			linux_pwd_onexec(struct thread *td)
	char **pbuf, int cflag, int dfd)
	{			{
	int retval;			struct nameidata nd;
				struct pwd *pwd;
				int error;

	retval = kern_alternate_path(linux_emul_path, path, pathseg, pbuf,			NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, linux_emul_path);
	cflag, dfd);			error = namei(&nd);
				if (error != 0) {
				/*
				* Do not bother if we are in chroot or jail.
				*/
				pwd = pwd_hold(td);
				if (pwd->pwd_rdir != rootvnode) {
				pwd_drop(pwd);
				return (0);
				}
				pwd_drop(pwd);
				return (error);
				}
				NDFREE_PNBUF(&nd);
				pwd_exec(td, nd.ni_vp);
				vrele(nd.ni_vp);
				return (0);
				}

	return (retval);			void
				linux_pwd_onexec_native(struct thread *td)
				{

				pwd_exec(td, NULL);
	}			}

	void			void
	linux_msg(const struct thread td, const char fmt, ...)			linux_msg(const struct thread td, const char fmt, ...)
	{			{
	va_list ap;			va_list ap;
	struct proc *p;			struct proc *p;

	if (linux_debug == 0)			if (linux_debug == 0)
	return;			return;

	p = td->td_proc;			p = td->td_proc;
	printf("linux: jid %d pid %d (%s): ", p->p_ucred->cr_prison->pr_id,			printf("linux: jid %d pid %d (%s): ", p->p_ucred->cr_prison->pr_id,
	(int)p->p_pid, p->p_comm);			(int)p->p_pid, p->p_comm);
	va_start(ap, fmt);			va_start(ap, fmt);
	vprintf(fmt, ap);			vprintf(fmt, ap);
	va_end(ap);			va_end(ap);
	printf("\n");			printf("\n");
	}			}

				kibUnsubmitted Not Done Inline Actions Why do you need ncp? Why not move cp content further up and then directly put linux_emul_path into the right place? kib: Why do you need ncp? Why not move cp content further up and then directly put linux_emul_path…
	struct device_element			struct device_element
	{			{
	TAILQ_ENTRY(device_element) list;			TAILQ_ENTRY(device_element) list;
	struct linux_device_handler entry;			struct linux_device_handler entry;
	};			};

	static TAILQ_HEAD(, device_element) devices =			static TAILQ_HEAD(, device_element) devices =
	TAILQ_HEAD_INITIALIZER(devices);			TAILQ_HEAD_INITIALIZER(devices);
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