text
stringlengths 0
234
|
|---|
for (tot_exp = 0; tot_exp < max_exp;) {
|
s = read(fd, &exp, sizeof(uint64_t));
|
if (s != sizeof(uint64_t))
|
handle_error("read");
|
tot_exp += exp;
|
print_elapsed_time();
|
printf("read: %" priu64 "; total=%" priu64 "\en", exp, tot_exp);
|
}
|
exit(exit_success);
|
}
|
.ee
|
.sh see also
|
.br eventfd (2),
|
.br poll (2),
|
.br read (2),
|
.br select (2),
|
.br setitimer (2),
|
.br signalfd (2),
|
.br timer_create (2),
|
.br timer_gettime (2),
|
.br timer_settime (2),
|
.br epoll (7),
|
.br time (7)
|
.sh colophon
|
this page is part of release 5.13 of the linux
|
.i man-pages
|
project.
|
a description of the project,
|
information about reporting bugs,
|
and the latest version of this page,
|
can be found at
|
\%https://www.kernel.org/doc/man\-pages/.
|
.\" copyright (c) 2002 andries brouwer (aeb@cwi.nl)
|
.\"
|
.\" %%%license_start(verbatim)
|
.\" permission is granted to make and distribute verbatim copies of this
|
.\" manual provided the copyright notice and this permission notice are
|
.\" preserved on all copies.
|
.\"
|
.\" permission is granted to copy and distribute modified versions of this
|
.\" manual under the conditions for verbatim copying, provided that the
|
.\" entire resulting derived work is distributed under the terms of a
|
.\" permission notice identical to this one.
|
.\"
|
.\" since the linux kernel and libraries are constantly changing, this
|
.\" manual page may be incorrect or out-of-date. the author(s) assume no
|
.\" responsibility for errors or omissions, or for damages resulting from
|
.\" the use of the information contained herein. the author(s) may not
|
.\" have taken the same level of care in the production of this manual,
|
.\" which is licensed free of charge, as they might when working
|
.\" professionally.
|
.\"
|
.\" formatted or processed versions of this manual, if unaccompanied by
|
.\" the source, must acknowledge the copyright and authors of this work.
|
.\" %%%license_end
|
.\"
|
.\" inspired by a page written by walter harms.
|
.\"
|
.th getfsent 3 2021-03-22 "gnu" "linux programmer's manual"
|
.sh name
|
getfsent, getfsspec, getfsfile, setfsent, endfsent \- handle fstab entries
|
.sh synopsis
|
.nf
|
.b #include <fstab.h>
|
.pp
|
.b "int setfsent(void);"
|
.b "struct fstab *getfsent(void);"
|
.b "void endfsent(void);"
|
.pp
|
.bi "struct fstab *getfsfile(const char *" mount_point );
|
.bi "struct fstab *getfsspec(const char *" special_file );
|
.fi
|
.sh description
|
these functions read from the file
|
.ir /etc/fstab .
|
the
|
.ir "struct fstab"
|
is defined by:
|
.pp
|
.in +4n
|
.ex
|
struct fstab {
|
char *fs_spec; /* block device name */
|
char *fs_file; /* mount point */
|
char *fs_vfstype; /* filesystem type */
|
char *fs_mntops; /* mount options */
|
const char *fs_type; /* rw/rq/ro/sw/xx option */
|
int fs_freq; /* dump frequency, in days */
|
int fs_passno; /* pass number on parallel dump */
|
};
|
.ee
|
.in
|
.pp
|
here the field
|
.i fs_type
|
contains (on a *bsd system)
|
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