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| From: | Zhang Le <robert.zhangle@×××××.com> | ||
|---|---|---|---|
| To: | gentoo-user@l.g.o | ||
| Subject: | Re: [gentoo-user] where does PID wrap around? | ||
| Date: | Thu, 27 Jul 2006 02:24:33 | ||
| Message-Id: | 5ffa2caa0607261920i117829c2x60572cdaa0a4749d@mail.gmail.com | ||
| In Reply to: | [gentoo-user] where does PID wrap around? by Iain Buchanan |
||
| 1 | On 7/27/06, Iain Buchanan <iaindb@××××××××××××.au> wrote: |
| 2 | > |
| 3 | > Hi all, |
| 4 | > |
| 5 | > I know that PID's wrap around if they get to a sufficiently large number |
| 6 | > - anyone know what that number is? |
| 7 | > |
| 8 | > 2^16 (65536), or 2^15 (32768)? |
| 9 | |
| 10 | |
| 11 | $ cat /proc/sys/kernel/pid_max |
| 12 | 32768 |
| 13 | |
| 14 | Is it fixed for a particular system / kernel / universe? or even better, |
| 15 | > is there a #define I can use from one of the system headers? |
| 16 | > |
| 17 | > it is defined in kernel/pid.c |
| 18 | int pid_max = PID_MAX_DEFAULT; |
| 19 | |
| 20 | -- |
| 21 | Zhang Le, Robert |
| 22 | Linux Engineer/Trainer |
| 23 | http://zhllg.spaces.msn.com |
| 24 | http://zh.gentoo-wiki.com |
| 25 | http://savannah.nongnu.org/projects/pgubook |
| 26 | http://groups.google.com/group/gentoo-china |
| 27 | http://groups.google.com/group/szlug |
| Subject | Author |
|---|---|
| Re: [gentoo-user] where does PID wrap around? | Iain Buchanan <iaindb@××××××××××××.au> |