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Gary Houston 2000-11-09 22:41:58 +00:00
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@ -174,6 +174,36 @@ Instead, use scm_memq, scm_memv, scm_member.
Returns a boolean indicating whether X is a port. Equivalent to
`(or (input-port? X) (output-port? X))'.
** New function: port-for-each proc
Apply PROC to each port in the Guile port table in turn. The
return value is unspecified.
** New function: dup2 oldfd newfd
A simple wrapper for the `dup2' system call. Copies the file
descriptor OLDFD to descriptor number NEWFD, replacing the
previous meaning of NEWFD. Both OLDFD and NEWFD must be integers.
Unlike for dup->fdes or primitive-move->fdes, no attempt is made
to move away ports which are using NEWFD\n". The return value is
unspecified.
** New function: close-fdes fd
A simple wrapper for the `close' system call. Close file
descriptor FD, which must be an integer. Unlike close (*note
close: Ports and File Descriptors.), the file descriptor will be
closed even if a port is using it. The return value is
unspecified.
** Deprecated: close-all-ports-except. This was intended for closing
ports in a child process after a fork, but it has the undesirable side
effect of flushing buffers. port-for-each is more flexible.
** The (ice-9 popen) module now attempts to set up file descriptors in
the child process from the current Scheme ports, instead of using the
current values of file descriptors 0, 1, and 2 in the parent process.
* Changes to the gh_ interface
* Changes to the scm_ interface