January 2006
Intermediate to advanced
226 pages
6h 11m
English
book
Linux for IBM System z9 and IBM zSeries
by Gregory Geiselhart, Robert Brenneman, Eli Dow, Klaus Egeler, Torsten Gutenberger, Bruce Hayden, Livio Sousa
Content preview from Linux for IBM System z9 and IBM zSeries
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Chapter 2. Linux 2.6 kernel 19
To determine which threading library in use, use the getconf command, as in
Example 2-2 on page 19.
Example 2-2 The getconf command on SLES9
# getconf GNU_LIBPTHREAD_VERSION
NPTL 0.61
# export LD_ASSUME_KERNEL=2.4.19
# getconf GNU_LIBPTHREAD_VERSION
linuxthreads-0.10
The previous example executes on a SLES9 system. On a RHEL4 system, the
getconf command returns (Example 2-3):
Example 2-3 The getconf command on RHEL4
# getconf GNU_LIBPTHREAD_VERSION
NPTL 2.3.4
# export LD_ASSUME_KERNEL=2.4.19
# getconf GNU_LIBPTHREAD_VERSION
linuxthreads-0.10
If the threading library is NPTL, getconf returns:
NPTL 0.61 for SLES9
NPTL 2.3.3 ...
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