/* Asynchronous subprocess control for GNU Emacs.
-Copyright (C) 1985-1988, 1993-1996, 1998-1999, 2001-2011
+Copyright (C) 1985-1988, 1993-1996, 1998-1999, 2001-2012
Free Software Foundation, Inc.
This file is part of GNU Emacs.
#ifdef HAVE_GNUTLS
p->gnutls_initstage = GNUTLS_STAGE_EMPTY;
+ /* Default log level. */
p->gnutls_log_level = 0;
+ /* GnuTLS handshakes attempted for this connection. */
+ p->gnutls_handshakes_tried = 0;
p->gnutls_p = 0;
p->gnutls_state = NULL;
p->gnutls_x509_cred = NULL;
Binding the variable `inherit-process-coding-system' to non-nil before
starting the process is an alternative way of setting the inherit flag
-for the process which will run. */)
+for the process which will run.
+
+This function returns FLAG. */)
(register Lisp_Object process, Lisp_Object flag)
{
CHECK_PROCESS (process);
2, 2, 0,
doc: /* Specify if query is needed for PROCESS when Emacs is exited.
If the second argument FLAG is non-nil, Emacs will query the user before
-exiting or killing a buffer if PROCESS is running. */)
+exiting or killing a buffer if PROCESS is running. This function
+returns FLAG. */)
(register Lisp_Object process, Lisp_Object flag)
{
CHECK_PROCESS (process);
val = XCDR (Vdefault_process_coding_system);
}
XPROCESS (proc)->encode_coding_system = val;
- /* Note: At this momemnt, the above coding system may leave
+ /* Note: At this moment, the above coding system may leave
text-conversion or eol-conversion unspecified. They will be
decided after we read output from the process and decode it by
some coding system, or just before we actually send a text to
if (!PROCESSP (proc))
abort ();
- /* Was PROC started successfully? */
- if (XPROCESS (proc)->pid == -1)
+ /* Was PROC started successfully?
+ -2 is used for a pty with no process, eg for gdb. */
+ if (XPROCESS (proc)->pid <= 0 && XPROCESS (proc)->pid != -2)
remove_process (proc);
return Qnil;
the backslashes in strings).
:speed SPEED -- (mandatory) is handled by `serial-process-configure',
-which is called by `make-serial-process'.
+which this function calls.
:name NAME -- NAME is the name of the process. If NAME is not given,
the value of PORT is used.
:plist PLIST -- Install PLIST as the initial plist of the process.
-:speed
:bytesize
:parity
:stopbits
:flowcontrol
--- These arguments are handled by `serial-process-configure', which is
-called by `make-serial-process'.
+-- This function calls `serial-process-configure' to handle these
+arguments.
The original argument list, possibly modified by later configuration,
is available via the function `process-contact'.
:filter-multibyte BOOL -- If BOOL is non-nil, strings given to the
process filter are multibyte, otherwise they are unibyte.
If this keyword is not specified, the strings are multibyte if
-`default-enable-multibyte-characters' is non-nil.
+the default value of `enable-multibyte-characters' is non-nil.
:sentinel SENTINEL -- Install SENTINEL as the process sentinel.
{
struct hostent *host_info_ptr;
- /* gethostbyname may fail with TRY_AGAIN, but we don't honour that,
+ /* gethostbyname may fail with TRY_AGAIN, but we don't honor that,
as it may `hang' Emacs for a very long time. */
immediate_quit = 1;
QUIT;
{
/* Setup coding systems for communicating with the network stream. */
- struct gcpro inner_gcpro1;
+ struct gcpro gcpro1;
/* Qt denotes we have not yet called Ffind_operation_coding_system. */
Lisp_Object coding_systems = Qt;
Lisp_Object fargs[5], val;
|| (NILP (buffer) && NILP (BVAR (&buffer_defaults, enable_multibyte_characters))))
/* We dare not decode end-of-line format by setting VAL to
Qraw_text, because the existing Emacs Lisp libraries
- assume that they receive bare code including a sequene of
+ assume that they receive bare code including a sequence of
CR LF. */
val = Qnil;
else
{
fargs[0] = Qopen_network_stream, fargs[1] = name,
fargs[2] = buffer, fargs[3] = host, fargs[4] = service;
- GCPRO1_VAR (proc, inner_gcpro);
+ GCPRO1 (proc);
coding_systems = Ffind_operation_coding_system (5, fargs);
- UNGCPRO_VAR (inner_gcpro);
+ UNGCPRO;
}
if (CONSP (coding_systems))
val = XCAR (coding_systems);
{
fargs[0] = Qopen_network_stream, fargs[1] = name,
fargs[2] = buffer, fargs[3] = host, fargs[4] = service;
- GCPRO1_VAR (proc, inner_gcpro);
+ GCPRO1 (proc);
coding_systems = Ffind_operation_coding_system (5, fargs);
- UNGCPRO_VAR (inner_gcpro);
+ UNGCPRO;
}
}
if (CONSP (coding_systems))
doc: /* Return information about network interface named IFNAME.
The return value is a list (ADDR BCAST NETMASK HWADDR FLAGS),
where ADDR is the layer 3 address, BCAST is the layer 3 broadcast address,
-NETMASK is the layer 3 network mask, HWADDR is the layer 2 addres, and
+NETMASK is the layer 3 network mask, HWADDR is the layer 2 address, and
FLAGS is the current flags of the interface. */)
(Lisp_Object ifname)
{
some data in the TCP buffers so that select works, but
with custom pull/push functions we need to check if some
data is available in the buffers manually. */
- if (nfds == 0 &&
- wait_proc && wait_proc->gnutls_p /* Check for valid process. */
- /* Do we have pending data? */
- && emacs_gnutls_record_check_pending (wait_proc->gnutls_state) > 0)
- {
- nfds = 1;
- /* Set to Available. */
- FD_SET (wait_proc->infd, &Available);
- }
+ if (nfds == 0)
+ {
+ if (! wait_proc)
+ {
+ /* We're not waiting on a specific process, so loop
+ through all the channels and check for data.
+ This is a workaround needed for some versions of
+ the gnutls library -- 2.12.14 has been confirmed
+ to need it. See
+ http://comments.gmane.org/gmane.emacs.devel/145074 */
+ for (channel = 0; channel < MAXDESC; ++channel)
+ if (! NILP (chan_process[channel]))
+ {
+ struct Lisp_Process *p =
+ XPROCESS (chan_process[channel]);
+ if (p && p->gnutls_p && p->infd
+ && ((emacs_gnutls_record_check_pending
+ (p->gnutls_state))
+ > 0))
+ {
+ nfds++;
+ FD_SET (p->infd, &Available);
+ }
+ }
+ }
+ else
+ {
+ /* Check this specific channel. */
+ if (wait_proc->gnutls_p /* Check for valid process. */
+ /* Do we have pending data? */
+ && ((emacs_gnutls_record_check_pending
+ (wait_proc->gnutls_state))
+ > 0))
+ {
+ nfds = 1;
+ /* Set to Available. */
+ FD_SET (wait_proc->infd, &Available);
+ }
+ }
+ }
#endif
}
It can't hurt. */
else if (nread == -1 && errno == EIO)
{
- /* Clear the descriptor now, so we only raise the signal once. */
+ struct Lisp_Process *p = XPROCESS (proc);
+
+ /* Clear the descriptor now, so we only raise the
+ signal once. */
FD_CLR (channel, &input_wait_mask);
FD_CLR (channel, &non_keyboard_wait_mask);
- kill (getpid (), SIGCHLD);
+ if (p->pid == -2)
+ {
+ /* If the EIO occurs on a pty, sigchld_handler's
+ wait3() will not find the process object to
+ delete. Do it here. */
+ p->tick = ++process_tick;
+ p->status = Qfailed;
+ }
+ else
+ kill (getpid (), SIGCHLD);
}
#endif /* HAVE_PTYS */
- /* If we can detect process termination, don't consider the process
- gone just because its pipe is closed. */
+ /* If we can detect process termination, don't consider the
+ process gone just because its pipe is closed. */
#ifdef SIGCHLD
else if (nread == 0 && !NETCONN_P (proc) && !SERIALCONN_P (proc))
;
proc_buffered_char[channel] = -1;
}
#ifdef HAVE_GNUTLS
- if (XPROCESS (proc)->gnutls_p)
- nbytes = emacs_gnutls_read (XPROCESS (proc),
- chars + carryover + buffered,
+ if (p->gnutls_p)
+ nbytes = emacs_gnutls_read (p, chars + carryover + buffered,
readmax - buffered);
else
#endif
sending a multibyte text, thus we must encode it by the
original coding system specified for the current process.
- Another reason we comming here is that the coding system
- was just complemented and new one was returned by
+ Another reason we come here is that the coding system
+ was just complemented and a new one was returned by
complement_process_encoding_system. */
setup_coding_system (p->encode_coding_system, coding);
Vlast_coding_system_used = p->encode_coding_system;
}
else
{
+ coding->src_multibyte = 0;
/* For sending a unibyte text, character code conversion should
not take place but EOL conversion should. So, setup raw-text
or one of the subsidiary if we have not yet done it. */
#endif
{
#ifdef HAVE_GNUTLS
- if (XPROCESS (proc)->gnutls_p)
- written = emacs_gnutls_write (XPROCESS (proc),
- buf, this);
+ if (p->gnutls_p)
+ written = emacs_gnutls_write (p, buf, this);
else
#endif
written = emacs_write (outfd, buf, this);
HCoop / bpt / emacs.git / blobdiff