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- Proc locking.

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- Use NULL instead of 0.
This commit is contained in:
John Baldwin 2001-01-24 00:23:30 +00:00
parent df6c100d51
commit fdfdfb786a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=71494
1 changed files with 6 additions and 1 deletions
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7
sys/i386/linux/linux_machdep.c
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@ -258,10 +258,12 @@ linux_clone(struct proc *p, struct linux_clone_args *args)
return (error);
p2 = pfind(p->p_retval[0]);
if (p2 == 0)
if (p2 == NULL)
return (ESRCH);
PROC_LOCK(p2);
p2->p_sigparent = exit_signal;
PROC_UNLOCK(p2);
p2->p_md.md_regs->tf_esp = (unsigned int)args->stack;
#ifdef DEBUG
@ -362,6 +364,7 @@ linux_mmap(struct proc *p, struct linux_mmap_args *args)
* mmap'ed region, but some apps do not check
* mmap's return value.
*/
mtx_assert(&Giant, MA_OWNED);
p->p_vmspace->vm_maxsaddr = (char *)USRSTACK -
p->p_rlimit[RLIMIT_STACK].rlim_cur;
}
@ -636,7 +639,9 @@ linux_pause(struct proc *p, struct linux_pause_args *args)
#endif
sigmask = stackgap_alloc(&sg, sizeof(sigset_t));
PROC_LOCK(p);
*sigmask = p->p_sigmask;
PROC_UNLOCK(p);
bsd.sigmask = sigmask;
return (sigsuspend(p, &bsd));
}