[lkml]   [2000]   [Mar]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Slow pthread_create() under high load
On Tue, Mar 28, 2000 at 01:41:26AM -0800, Christopher Smith wrote:
> On Tue, Mar 28, 2000 at 01:06:08AM -0700, Richard Gooch wrote:
> > Because the kernel doesn't make this easy. The kernel has the concept
> > of "tasks", which don't map well to POSIX threads. The kernel doesn't
> > distinguish between "processes" and "threads" like POSIX does.
> > Everything is just a task. Tasks can share some things (FS, files,
> > VM), but they can't (yet) share PIDs (probably never), signal queues
> > and other things required for POSIX compliance.
> IMHO, at least sharing PIDs would be a useful thing. Signal queues
> would be nice, but there are other ways to deal with that.

Can someone tell me why:

pthread_creat( ....)
if this is the first created thread
rootpid = getpid();
redefine getpid === return rootpid
Doesn't work?

Victor Yodaiken
FSMLabs is a servicemark and a service of
VJY Associates L.L.C, New Mexico.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:57    [from the cache]
©2003-2014 Jasper Spaans. hosted at Digital Ocean