Differential D26778 Diff 78305 head/sys/compat/linux/linux_emul.c

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head/sys/compat/linux/linux_emul.c

Show First 20 Lines • Show All 109 Lines • ▼ Show 20 Lines	linux_set_default_openfiles(struct thread td, struct proc p)
if (rlim.rlim_cur != rlim.rlim_max \|\|		if (rlim.rlim_cur != rlim.rlim_max \|\|
rlim.rlim_cur <= linux_default_openfiles)		rlim.rlim_cur <= linux_default_openfiles)
return;		return;
rlim.rlim_cur = linux_default_openfiles;		rlim.rlim_cur = linux_default_openfiles;
error = kern_proc_setrlimit(td, p, RLIMIT_NOFILE, &rlim);		error = kern_proc_setrlimit(td, p, RLIMIT_NOFILE, &rlim);
KASSERT(error == 0, ("kern_proc_setrlimit failed"));		KASSERT(error == 0, ("kern_proc_setrlimit failed"));
}		}

		/*
		* The default stack size limit in Linux is 8MB.
		*/
		static void
		linux_set_default_stacksize(struct thread td, struct proc p)
		{
		struct rlimit rlim;
		int error;

		if (linux_default_stacksize < 0)
		return;

		PROC_LOCK(p);
		lim_rlimit_proc(p, RLIMIT_STACK, &rlim);
		PROC_UNLOCK(p);
		if (rlim.rlim_cur != rlim.rlim_max \|\|
		rlim.rlim_cur <= linux_default_stacksize)
		return;
		rlim.rlim_cur = linux_default_stacksize;
		error = kern_proc_setrlimit(td, p, RLIMIT_STACK, &rlim);
		KASSERT(error == 0, ("kern_proc_setrlimit failed"));
		}

void		void
linux_proc_init(struct thread td, struct thread newtd, int flags)		linux_proc_init(struct thread td, struct thread newtd, int flags)
{		{
struct linux_emuldata *em;		struct linux_emuldata *em;
struct linux_pemuldata *pem;		struct linux_pemuldata *pem;
struct epoll_emuldata *emd;		struct epoll_emuldata *emd;
struct proc *p;		struct proc *p;

Show All 14 Lines	if (flags & LINUX_CLONE_THREAD) {

pem = malloc(sizeof(*pem), M_LINUX, M_WAITOK \| M_ZERO);		pem = malloc(sizeof(*pem), M_LINUX, M_WAITOK \| M_ZERO);
sx_init(&pem->pem_sx, "lpemlk");		sx_init(&pem->pem_sx, "lpemlk");
p->p_emuldata = pem;		p->p_emuldata = pem;
}		}
newtd->td_emuldata = em;		newtd->td_emuldata = em;

linux_set_default_openfiles(td, p);		linux_set_default_openfiles(td, p);
		linux_set_default_stacksize(td, p);
} else {		} else {
p = td->td_proc;		p = td->td_proc;

/* exec */		/* exec */
LINUX_CTR1(proc_init, "exec newtd(%d)", p->p_pid);		LINUX_CTR1(proc_init, "exec newtd(%d)", p->p_pid);

/* lookup the old one */		/* lookup the old one */
em = em_find(td);		em = em_find(td);
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