Re: Linux 2.3.39 has 32bit uid. What about 32bit pid?

From: Jamie Lokier (lkd@tantalophile.demon.co.uk)
Date: Fri Jan 14 2000 - 04:03:10 EST


Alan Cox wrote:
> Do libc5 and glibc give the illusion of a 32bit pid - I thought they didnt

Glibc pid_t is 32 bits on i386:
  typedef int __pid_t; /* Type of process identifications. */

The IPC stuff is special-cased:
  /* Used in `struct shmid_ds'. */
  typedef unsigned short int __ipc_pid_t;

I am on for increasing pid_t size simply because 32000 processes may
become a bottleneck on large servers. The restriction isn't necessary
any more. `top' will be pretty slow though.

-- Jamie

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