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| author | Ulrich Drepper <drepper@redhat.com> | 1999-03-01 07:21:39 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1999-03-01 07:21:39 +0000 |
| commit | 9f6b6d8d19c17bdb5a30573c0ffc64e4177c7a49 (patch) | |
| tree | 93278462f031ac5ae33061b1f236f11a85e4cb7f /FAQ.in | |
| parent | 407a7d0eb770ae079a662e7b2b8cff5a750ca6ed (diff) | |
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Update.
1999-03-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* sysdeps/i386/sys/ucontext.h (ucontext): Rename field uc_links to
uc_link which is the right name according to Unix98.
Reported by Craig Metz [PR libc/1001].
* sysdeps/arm/sys/ucontext.h (ucontext): Likewise.
* sysdeps/m68k/sys/ucontext.h (ucontext): Likewise.
* sysdeps/mips/sys/ucontext.h (ucontext): Likewise.
* sysdeps/unix/sysv/linux/alpha/sys/ucontext.h (ucontext): Likewise.
* sysdeps/unix/sysv/linux/i386/sys/ucontext.h (ucontext): Likewise
* sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h (ucontext): Likewise.
Diffstat (limited to 'FAQ.in')
| -rw-r--r-- | FAQ.in | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -1278,6 +1278,15 @@ When compiling new programs against glibc 2.1, you've got to specify the correct paths to the compiler (option -I with gcc) and linker (options --dynamic-linker, -L and --rpath). +? bonnie reports that char i/o with glibc 2 is much slower than with + libc5. What can be done? + +{AJ} The GNU C library uses thread safe functions by default and libc5 used +non thread safe versions. The non thread safe functions have in glibc the +suffix `_unlocked', for details check <stdio.h>. Using `putc_unlocked' etc. +instead of `putc' should give nearly the same speed with bonnie (bonnie is a +benchmark program for measuring disk access). + ? Miscellaneous |