diff options
Diffstat (limited to 'man2/dup.2')
| -rw-r--r-- | man2/dup.2 | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/man2/dup.2 b/man2/dup.2 index 4948e6dd4..eb57683fb 100644 --- a/man2/dup.2 +++ b/man2/dup.2 @@ -40,7 +40,7 @@ system call allocates a new file descriptor that refers to the same open file description as the descriptor .IR oldfd . (For an explanation of open file descriptions, see -.BR open (2).) +.MR open 2 .) The new file descriptor number is guaranteed to be the lowest-numbered file descriptor that was unused in the calling process. .P @@ -49,7 +49,7 @@ the old and new file descriptors may be used interchangeably. Since the two file descriptors refer to the same open file description, they share file offset and file status flags; for example, if the file offset is modified by using -.BR lseek (2) +.MR lseek 2 on one of the file descriptors, the offset is also changed for the other file descriptor. .P @@ -58,7 +58,7 @@ The two file descriptors do not share file descriptor flags The close-on-exec flag .RB ( FD_CLOEXEC ; see -.BR fcntl (2)) +.MR fcntl 2 ) for the duplicate descriptor is off. .\" .SS dup2() @@ -87,7 +87,7 @@ The steps of closing and reusing the file descriptor are performed .IR atomically . This is important, because trying to implement equivalent functionality using -.BR close (2) +.MR close 2 and .BR dup () would be @@ -129,7 +129,7 @@ for the new file descriptor by specifying in .IR flags . See the description of the same flag in -.BR open (2) +.MR open 2 for reasons why this may be useful. .IP \[bu] .\" Ulrich Drepper, LKML, 2008-10-09: @@ -160,7 +160,7 @@ isn't an open file descriptor. is out of the allowed range for file descriptors (see the discussion of .B RLIMIT_NOFILE in -.BR getrlimit (2)). +.MR getrlimit 2 ). .TP .B EBUSY (Linux only) This may be returned by @@ -168,7 +168,7 @@ in or .BR dup3 () during a race condition with -.BR open (2) +.MR open 2 and .BR dup (). .TP @@ -178,7 +178,7 @@ The or .BR dup3 () call was interrupted by a signal; see -.BR signal (7). +.MR signal 7 . .TP .B EINVAL .RB ( dup3 ()) @@ -196,7 +196,7 @@ The per-process limit on the number of open file descriptors has been reached (see the discussion of .B RLIMIT_NOFILE in -.BR getrlimit (2)). +.MR getrlimit 2 ). .SH STANDARDS .TP .BR dup () @@ -237,7 +237,7 @@ like If .I newfd was open, any errors that would have been reported at -.BR close (2) +.MR close 2 time are lost. If this is of concern, then\[em]unless the program is single-threaded and does not allocate @@ -278,7 +278,7 @@ if (tmpfd != \-1) { .EE .in .SH SEE ALSO -.BR close (2), -.BR fcntl (2), -.BR open (2), -.BR pidfd_getfd (2) +.MR close 2 , +.MR fcntl 2 , +.MR open 2 , +.MR pidfd_getfd 2 |