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pread.2: Note that glibc emulation for these calls uses lseek(2) 

(This makes it clearer that the emulated calls are not atomic.)

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2008-12-03 14:25:03 -05:00
parent 3c19f5edd6
commit f145728e61
1 changed files with 4 additions and 3 deletions
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7
man2/pread.2
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@ -20,7 +20,7 @@
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.TH PREAD 2 1999-01-21 "Linux" "Linux Programmer's Manual"
.TH PREAD 2 2008-120-3 "Linux" "Linux Programmer's Manual"
.SH NAME
pread, pwrite \- read from or write to a file descriptor at a given offset
.SH SYNOPSIS
@ -92,8 +92,9 @@ and
system calls were added to Linux in
version 2.1.60; the entries in the i386 system call table were added
in 2.1.69.
The libc support (including emulation on older kernels
without the system calls) was added in glibc 2.1.
The libc support (including emulation using
.BR lseek (2)
on older kernels without the system calls) was added in glibc 2.1.
.SH "CONFORMING TO"
POSIX.1-2001.
.SH "SEE ALSO"