lfs_segwait(2) - NetBSD Manual Pages

LFS_SEGWAIT(2)            NetBSD 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 filesystem specified by *fsidp or if *fsidp is -1, until a segment is acquired for writing by any LFS filesystem. If timeout is non-zero, lfs_segwait() will return after timeout millisec- onds 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. NetBSD 5.0 May 23, 2000 NetBSD 5.0

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