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    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.

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