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Noted effect of fork() and execve().

This commit is contained in:
Michael Kerrisk 2006-07-22 14:21:39 +00:00
parent ddb51c37d0
commit 75fcdb0894
1 changed files with 11 additions and 3 deletions
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14
man2/chdir.2
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@ -41,7 +41,7 @@ chdir, fchdir \- change working directory
.BI "int fchdir(int " fd );
.SH DESCRIPTION
.BR chdir ()
changes the current directory to that specified in
changes the current working directory to that specified in
.IR path .
.PP
.BR fchdir ()
@ -60,7 +60,8 @@ general errors for
are listed below:
.TP
.B EACCES
Search permission is denied for one of the directories in the path prefix of
Search permission is denied for one of the directories
in the path prefix of
.IR path .
(See also
.BR path_resolution (2).)
@ -103,6 +104,12 @@ Search permission was denied on the directory open on
.I fd
is not a valid file descriptor.
.SH NOTES
A child process created via
.BR fork (2)
inherits its parent's current working directory.
The current working directory is left unchanged by
.BR execve (2).
The prototype for
.BR fchdir ()
is only available if
@ -111,7 +118,8 @@ is defined.
.SH "CONFORMING TO"
The
.BR chdir ()
call is compatible with SVr4, SVID, POSIX, X/OPEN, 4.4BSD. SVr4 documents
call is compatible with SVr4, SVID, POSIX, X/OPEN, 4.4BSD.
SVr4 documents
additional EINTR, ENOLINK, and EMULTIHOP error conditions but has
no ENOMEM. POSIX.1 does not have ENOMEM or ELOOP error conditions.
X/OPEN does not have EFAULT, ENOMEM or EIO error conditions.