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- Call fork1() directly instead of calling rfork() so that it doesn't mask

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out RFSTOPPED.
- Lock the child process when settings p_sigparent instead of locking the
  parent.

Pointy-hat to:	me
This commit is contained in:
jhb 2001-03-11 23:41:55 +00:00
parent 096f4f1395
commit b3ef374c76
1 changed files with 5 additions and 9 deletions
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14
sys/alpha/linux/linux_machdep.c
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@ -122,7 +122,6 @@ linux_clone(struct proc *p, struct linux_clone_args *args)
struct proc *p2; struct proc *p2;
int exit_signal; int exit_signal;
vm_offset_t start; vm_offset_t start;
struct rfork_args rf_args;
#ifdef DEBUG #ifdef DEBUG
if (ldebug(clone)) { if (ldebug(clone)) {
@ -156,17 +155,12 @@ linux_clone(struct proc *p, struct linux_clone_args *args)
error = 0; error = 0;
start = 0; start = 0;
rf_args.flags = ff; if ((error = fork1(p, ff, &p2)) != 0)
if ((error = rfork(p, &rf_args)) != 0)
return (error); return (error);
p2 = pfind(p->p_retval[0]); PROC_LOCK(p2);
if (p2 == NULL)
return (ESRCH);
PROC_LOCK(p);
p2->p_sigparent = exit_signal; p2->p_sigparent = exit_signal;
PROC_UNLOCK(p); PROC_UNLOCK(p2);
p2->p_addr->u_pcb.pcb_hw.apcb_usp = (unsigned long)args->stack; p2->p_addr->u_pcb.pcb_hw.apcb_usp = (unsigned long)args->stack;
#ifdef DEBUG #ifdef DEBUG
@ -183,6 +177,8 @@ linux_clone(struct proc *p, struct linux_clone_args *args)
setrunqueue(p2); setrunqueue(p2);
mtx_unlock_spin(&sched_lock); mtx_unlock_spin(&sched_lock);
p->p_retval[0] = p2->p_pid;
p->p_retval[1] = 0;
return (0); return (0);
} }