Displaying 1 result from an estimated 1 matches for "dtrace_helpers_fork".
2007 May 02
2
Deadlock when child process is forking?
...far. I''ve been able to reproduce
on other platforms.
Here is the scenario. You''ve got a target process, which has
static probes. It is calling fork(), which causes it to end up at line
330
in fork.c:
> 328 if (p->p_dtrace_helpers != NULL) {
> 329 ASSERT(dtrace_helpers_fork != NULL);
> 330 (*dtrace_helpers_fork)(p, cp);
> 331 }
> 332
> 333 mutex_enter(&p->p_lock);
> 334 p->p_flag &= ~SFORKING;
> 335 sprunlock(p);
As you can see, the parent is sprlock''d. The call to
dtrace_helpers_fork()
en...