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Command: lfs_segwait | Section: 2 | Source: NetBSD | File: lfs_segwait.2
LFS_SEGWAIT(2) FreeBSD System Calls Manual LFS_SEGWAIT(2)
NAME
lfs_segwait - wait until a segment is written
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <sys/types.h>
int
lfs_segwait(fsid_t *fsidp, struct timeval *tv);
DESCRIPTION
lfs_segwait() blocks until a new segment is acquired for writing by the
file system specified by *fsidp or if *fsidp is -1, until a segment is
acquired for writing by any LFS file system.
If timeout is non-zero, lfs_segwait() will return after timeout
milliseconds regardless of whether a new segment has been designated for
writing or not.
RETURN VALUES
lfs_segwait() returns 0 if a new segment was acquired; 1 if it timed out;
or -1 on error.
ERRORS
An error return from lfs_segwait() indicates:
[EFAULT] fsidp points outside the process's allocated address
space.
[EINTR] A signal was delivered before the time limit expired
and before a new segment was designated for writing.
[EINVAL] The specified time limit is negative.
SEE ALSO
lfs_bmapv(2), lfs_markv(2), lfs_segclean(2), lfs_cleanerd(8)
HISTORY
The lfs_segwait() function call appeared in 4.4BSD.
FreeBSD 14.1-RELEASE-p8 May 23, 2000 FreeBSD 14.1-RELEASE-p8