diff options
Diffstat (limited to 'man2/pread.2')
| -rw-r--r-- | man2/pread.2 | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/man2/pread.2 b/man2/pread.2 index 9a97633235..5d4e0969ab 100644 --- a/man2/pread.2 +++ b/man2/pread.2 @@ -88,27 +88,16 @@ to any error specified for .BR write (2) or .BR lseek (2). -.SH VERSIONS -The -.BR pread () -and -.BR pwrite () -system calls were added in Linux 2.1.60; +.SH STANDARDS +POSIX.1-2008. +.SH HISTORY +POSIX.1-2001. +.PP +Added in Linux 2.1.60; the entries in the i386 system call table were added in Linux 2.1.69. C library support (including emulation using .BR lseek (2) on older kernels without the system calls) was added in glibc 2.1. -.SH STANDARDS -POSIX.1-2001, POSIX.1-2008. -.SH NOTES -The -.BR pread () -and -.BR pwrite () -system calls are especially useful in multithreaded applications. -They allow multiple threads to perform I/O on the same file descriptor -without being affected by changes to the file offset by other threads. -.\" .SS C library/kernel differences On Linux, the underlying system calls were renamed in Linux 2.6: @@ -130,6 +119,14 @@ On some 32-bit architectures, the calling signature for these system calls differ, for the reasons described in .BR syscall (2). +.SH NOTES +The +.BR pread () +and +.BR pwrite () +system calls are especially useful in multithreaded applications. +They allow multiple threads to perform I/O on the same file descriptor +without being affected by changes to the file offset by other threads. .SH BUGS POSIX requires that opening a file with the .B O_APPEND |