#endif
#endif /* HAVE_SOCKETS */
-#if defined(BSD_SYSTEM)
+#if defined(HAVE_SYS_IOCTL_H)
#include <sys/ioctl.h>
#if !defined (O_NDELAY) && defined (HAVE_PTYS) && !defined(USG5)
#include <fcntl.h>
#endif /* HAVE_PTYS and no O_NDELAY */
-#endif /* BSD_SYSTEM */
+#endif /* HAVE_SYS_IOCTL_H */
#ifdef NEED_BSDTTY
#include <bsdtty.h>
#include "syswait.h"
-extern char *get_operating_system_release ();
+extern char *get_operating_system_release (void);
/* Serial processes require termios or Windows. */
#if defined (HAVE_TERMIOS) || defined (WINDOWSNT)
extern void serial_configure (struct Lisp_Process *p, Lisp_Object contact);
#endif
-#ifndef USE_CRT_DLL
-extern int errno;
-#endif
-
#ifndef HAVE_H_ERRNO
extern int h_errno;
#endif
#include "sysselect.h"
-static int keyboard_bit_set P_ ((SELECT_TYPE *));
-static void deactivate_process P_ ((Lisp_Object));
-static void status_notify P_ ((struct Lisp_Process *));
-static int read_process_output P_ ((Lisp_Object, int));
-static void create_pty P_ ((Lisp_Object));
+static int keyboard_bit_set (SELECT_TYPE *);
+static void deactivate_process (Lisp_Object);
+static void status_notify (struct Lisp_Process *);
+static int read_process_output (Lisp_Object, int);
+static void create_pty (Lisp_Object);
/* If we support a window system, turn on the code to poll periodically
to detect C-g. It isn't actually used when doing interrupt input. */
#define POLL_FOR_INPUT
#endif
-static Lisp_Object get_process ();
-static void exec_sentinel ();
+static Lisp_Object get_process (register Lisp_Object name);
+static void exec_sentinel (Lisp_Object proc, Lisp_Object reason);
extern int timers_run;
\f
static SELECT_TYPE input_wait_mask;
+/* Non-zero if keyboard input is on hold, zero otherwise. */
+
+static int kbd_is_on_hold;
+
/* Mask that excludes keyboard input descriptor(s). */
static SELECT_TYPE non_keyboard_wait_mask;
static Lisp_Object status_convert (int);
static void
-update_status (p)
- struct Lisp_Process *p;
+update_status (struct Lisp_Process *p)
{
eassert (p->raw_status_new);
p->status = status_convert (p->raw_status);
and store them individually through the three pointers. */
static void
-decode_status (l, symbol, code, coredump)
- Lisp_Object l;
- Lisp_Object *symbol;
- int *code;
- int *coredump;
+decode_status (Lisp_Object l, Lisp_Object *symbol, int *code, int *coredump)
{
Lisp_Object tem;
/* Return a string describing a process status list. */
static Lisp_Object
-status_message (p)
- struct Lisp_Process *p;
+status_message (struct Lisp_Process *p)
{
Lisp_Object status = p->status;
Lisp_Object symbol;
is left in the variable pty_name. */
static int
-allocate_pty ()
+allocate_pty (void)
{
register int c, i;
int fd;
#endif /* HAVE_PTYS */
\f
static Lisp_Object
-make_process (name)
- Lisp_Object name;
+make_process (Lisp_Object name)
{
register Lisp_Object val, tem, name1;
register struct Lisp_Process *p;
}
static void
-remove_process (proc)
- register Lisp_Object proc;
+remove_process (register Lisp_Object proc)
{
register Lisp_Object pair;
/* Setup coding systems of PROCESS. */
void
-setup_process_coding_systems (process)
- Lisp_Object process;
+setup_process_coding_systems (Lisp_Object process)
{
struct Lisp_Process *p = XPROCESS (process);
int inch = p->infd;
current buffer. */
static Lisp_Object
-get_process (name)
- register Lisp_Object name;
+get_process (register Lisp_Object name)
{
register Lisp_Object proc, obj;
if (STRINGP (name))
}
#ifdef DATAGRAM_SOCKETS
-Lisp_Object Fprocess_datagram_address ();
+Lisp_Object Fprocess_datagram_address (Lisp_Object process);
#endif
DEFUN ("process-contact", Fprocess_contact, Sprocess_contact,
#endif
\f
static Lisp_Object
-list_processes_1 (query_only)
- Lisp_Object query_only;
+list_processes_1 (Lisp_Object query_only)
{
register Lisp_Object tail, tem;
Lisp_Object proc, minspace, tem1;
\f
/* Starting asynchronous inferior processes. */
-static Lisp_Object start_process_unwind ();
+static Lisp_Object start_process_unwind (Lisp_Object proc);
DEFUN ("start-process", Fstart_process, Sstart_process, 3, MANY, 0,
doc: /* Start a program in a subprocess. Return the process object for it.
an error and the process wasn't started successfully, so we should
remove it from the process list. */
static Lisp_Object
-start_process_unwind (proc)
- Lisp_Object proc;
+start_process_unwind (Lisp_Object proc)
{
if (!PROCESSP (proc))
abort ();
}
static void
-create_process_1 (timer)
- struct atimer *timer;
+create_process_1 (struct atimer *timer)
{
/* Nothing to do. */
}
#endif
void
-create_process (process, new_argv, current_dir)
- Lisp_Object process;
- char **new_argv;
- Lisp_Object current_dir;
+create_process (Lisp_Object process, char **new_argv, Lisp_Object current_dir)
{
int inchannel, outchannel;
pid_t pid;
#if !defined (WINDOWSNT) && defined (FD_CLOEXEC)
int wait_child_setup[2];
#endif
-#ifdef POSIX_SIGNALS
sigset_t procmask;
sigset_t blocked;
struct sigaction sigint_action;
#ifdef AIX
struct sigaction sighup_action;
#endif
-#endif /* POSIX_SIGNALS */
/* Use volatile to protect variables from being clobbered by longjmp. */
volatile int forkin, forkout;
volatile int pty_flag = 0;
/* Delay interrupts until we have a chance to store
the new fork's pid in its process structure */
-#ifdef POSIX_SIGNALS
sigemptyset (&blocked);
#ifdef SIGCHLD
sigaddset (&blocked, SIGCHLD);
#endif
#endif /* HAVE_WORKING_VFORK */
sigprocmask (SIG_BLOCK, &blocked, &procmask);
-#else /* !POSIX_SIGNALS */
-#ifdef SIGCHLD
-#if defined (BSD_SYSTEM)
- sigsetmask (sigmask (SIGCHLD));
-#endif /* BSD_SYSTEM */
-#endif /* SIGCHLD */
-#endif /* !POSIX_SIGNALS */
FD_SET (inchannel, &input_wait_mask);
FD_SET (inchannel, &non_keyboard_wait_mask);
process_set_signal to fail on SGI when using a pipe. */
setsid ();
/* Make the pty's terminal the controlling terminal. */
- if (pty_flag)
+ if (pty_flag && xforkin >= 0)
{
#ifdef TIOCSCTTY
/* We ignore the return value
/* I wonder: would just ioctl (0, TIOCNOTTY, 0) work here?
I can't test it since I don't have 4.3. */
int j = emacs_open ("/dev/tty", O_RDWR, 0);
- ioctl (j, TIOCNOTTY, 0);
- emacs_close (j);
+ if (j >= 0)
+ {
+ ioctl (j, TIOCNOTTY, 0);
+ emacs_close (j);
+ }
#ifndef USG
/* In order to get a controlling terminal on some versions
of BSD, it is necessary to put the process in pgrp 0
signal (SIGQUIT, SIG_DFL);
/* Stop blocking signals in the child. */
-#ifdef POSIX_SIGNALS
sigprocmask (SIG_SETMASK, &procmask, 0);
-#else /* !POSIX_SIGNALS */
-#ifdef SIGCHLD
-#if defined (BSD_SYSTEM)
- sigsetmask (SIGEMPTYMASK);
-#endif /* BSD_SYSTEM */
-#endif /* SIGCHLD */
-#endif /* !POSIX_SIGNALS */
if (pty_flag)
child_setup_tty (xforkout);
/* Restore the signal state whether vfork succeeded or not.
(We will signal an error, below, if it failed.) */
-#ifdef POSIX_SIGNALS
#ifdef HAVE_WORKING_VFORK
/* Restore the parent's signal handlers. */
sigaction (SIGINT, &sigint_action, 0);
#endif /* HAVE_WORKING_VFORK */
/* Stop blocking signals in the parent. */
sigprocmask (SIG_SETMASK, &procmask, 0);
-#else /* !POSIX_SIGNALS */
-#ifdef SIGCHLD
-#if defined (BSD_SYSTEM)
- sigsetmask (SIGEMPTYMASK);
-#endif /* BSD_SYSTEM */
-#endif /* SIGCHLD */
-#endif /* !POSIX_SIGNALS */
/* Now generate the error if vfork failed. */
if (pid < 0)
}
void
-create_pty (process)
- Lisp_Object process;
+create_pty (Lisp_Object process)
{
int inchannel, outchannel;
The address family of sa is not included in the result. */
static Lisp_Object
-conv_sockaddr_to_lisp (sa, len)
- struct sockaddr *sa;
- int len;
+conv_sockaddr_to_lisp (struct sockaddr *sa, int len)
{
Lisp_Object address;
int i;
/* Get family and required size for sockaddr structure to hold ADDRESS. */
static int
-get_lisp_to_sockaddr_size (address, familyp)
- Lisp_Object address;
- int *familyp;
+get_lisp_to_sockaddr_size (Lisp_Object address, int *familyp)
{
register struct Lisp_Vector *p;
we return after zeroing *SA. */
static void
-conv_lisp_to_sockaddr (family, address, sa, len)
- int family;
- Lisp_Object address;
- struct sockaddr *sa;
- int len;
+conv_lisp_to_sockaddr (int family, Lisp_Object address, struct sockaddr *sa, int len)
{
register struct Lisp_Vector *p;
register unsigned char *cp = NULL;
register int i;
- bzero (sa, len);
+ memset (sa, 0, len);
if (VECTORP (address))
{
ip6[i] = ntohs (j);
}
sa->sa_family = family;
+ return;
}
#endif
- return;
+ else
+ return;
}
else if (STRINGP (address))
{
*/
static int
-set_socket_option (s, opt, val)
- int s;
- Lisp_Object opt, val;
+set_socket_option (int s, Lisp_Object opt, Lisp_Object val)
{
char *name;
const struct socket_options *sopt;
/* This is broken, at least in the Linux 2.4 kernel.
To unbind, the arg must be a zero integer, not the empty string.
This should work on all systems. KFS. 2003-09-23. */
- bzero (devname, sizeof devname);
+ memset (devname, 0, sizeof devname);
if (STRINGP (val))
{
char *arg = (char *) SDATA (val);
int len = min (strlen (arg), IFNAMSIZ);
- bcopy (arg, devname, len);
+ memcpy (devname, arg, len);
}
else if (!NILP (val))
error ("Bad option value for %s", name);
p->inherit_coding_system_flag
= !(!NILP (tem) || NILP (buffer) || !inherit_process_coding_system);
- Fserial_process_configure(nargs, args);
+ Fserial_process_configure (nargs, args);
specpdl_ptr = specpdl + specpdl_count;
/* :service SERVICE -- string, integer (port number), or t (random port). */
service = Fplist_get (contact, QCservice);
+ /* :host HOST -- hostname, ip address, or 'local for localhost. */
+ host = Fplist_get (contact, QChost);
+ if (!NILP (host))
+ {
+ if (EQ (host, Qlocal))
+ host = build_string ("localhost");
+ CHECK_STRING (host);
+ }
+
#ifdef HAVE_LOCAL_SOCKETS
if (family == AF_LOCAL)
{
- /* Host is not used. */
- host = Qnil;
+ if (!NILP (host))
+ {
+ message (":family local ignores the :host \"%s\" property",
+ SDATA (host));
+ contact = Fplist_put (contact, QChost, Qnil);
+ host = Qnil;
+ }
CHECK_STRING (service);
- bzero (&address_un, sizeof address_un);
+ memset (&address_un, 0, sizeof address_un);
address_un.sun_family = AF_LOCAL;
strncpy (address_un.sun_path, SDATA (service), sizeof address_un.sun_path);
ai.ai_addr = (struct sockaddr *) &address_un;
}
#endif
- /* :host HOST -- hostname, ip address, or 'local for localhost. */
- host = Fplist_get (contact, QChost);
- if (!NILP (host))
- {
- if (EQ (host, Qlocal))
- host = build_string ("localhost");
- CHECK_STRING (host);
- }
-
/* Slow down polling to every ten seconds.
Some kernels have a bug which causes retrying connect to fail
after a connect. Polling can interfere with gethostbyname too. */
ret = getaddrinfo (SDATA (host), portstring, &hints, &res);
if (ret)
#ifdef HAVE_GAI_STRERROR
- error ("%s/%s %s", SDATA (host), portstring, gai_strerror(ret));
+ error ("%s/%s %s", SDATA (host), portstring, gai_strerror (ret));
#else
error ("%s/%s getaddrinfo error %d", SDATA (host), portstring, ret);
#endif
port = svc_info->s_port;
}
- bzero (&address_in, sizeof address_in);
+ memset (&address_in, 0, sizeof address_in);
address_in.sin_family = family;
address_in.sin_addr.s_addr = INADDR_ANY;
address_in.sin_port = port;
if (host_info_ptr)
{
- bcopy (host_info_ptr->h_addr, (char *) &address_in.sin_addr,
- host_info_ptr->h_length);
+ memcpy (&address_in.sin_addr, host_info_ptr->h_addr,
+ host_info_ptr->h_length);
family = host_info_ptr->h_addrtype;
address_in.sin_family = family;
}
if (numeric_addr == -1)
error ("Unknown host \"%s\"", SDATA (host));
- bcopy ((char *)&numeric_addr, (char *) &address_in.sin_addr,
- sizeof (address_in.sin_addr));
+ memcpy (&address_in.sin_addr, &numeric_addr,
+ sizeof (address_in.sin_addr));
}
}
if (is_server)
{
Lisp_Object remote;
- bzero (datagram_address[s].sa, lres->ai_addrlen);
+ memset (datagram_address[s].sa, 0, lres->ai_addrlen);
if (remote = Fplist_get (contact, QCremote), !NILP (remote))
{
int rfamily, rlen;
}
}
else
- bcopy (lres->ai_addr, datagram_address[s].sa, lres->ai_addrlen);
+ memcpy (datagram_address[s].sa, lres->ai_addr, lres->ai_addrlen);
}
#endif
contact = Fplist_put (contact, QCaddress,
int len1 = sizeof (sa1);
if (getsockname (s, (struct sockaddr *)&sa1, &len1) == 0)
contact = Fplist_put (contact, QClocal,
- conv_sockaddr_to_lisp (&sa1, len1));
+ conv_sockaddr_to_lisp ((struct sockaddr *)&sa1, len1));
}
#endif
}
again:
ifaces += 25;
- buf_size = ifaces * sizeof(ifreqs[0]);
+ buf_size = ifaces * sizeof (ifreqs[0]);
ifreqs = (struct ifreq *)xrealloc(ifreqs, buf_size);
if (!ifreqs)
{
char namebuf[sizeof (ifq->ifr_name) + 1];
if (ifq->ifr_addr.sa_family != AF_INET)
continue;
- bcopy (ifq->ifr_name, namebuf, sizeof (ifq->ifr_name));
+ memcpy (namebuf, ifq->ifr_name, sizeof (ifq->ifr_name));
namebuf[sizeof (ifq->ifr_name)] = 0;
res = Fcons (Fcons (build_string (namebuf),
conv_sockaddr_to_lisp (&ifq->ifr_addr,
CHECK_STRING (ifname);
- bzero (rq.ifr_name, sizeof rq.ifr_name);
+ memset (rq.ifr_name, 0, sizeof rq.ifr_name);
strncpy (rq.ifr_name, SDATA (ifname), sizeof (rq.ifr_name));
s = socket (AF_INET, SOCK_STREAM, 0);
/* Turn off input and output for process PROC. */
void
-deactivate_process (proc)
- Lisp_Object proc;
+deactivate_process (Lisp_Object proc)
{
register int inchannel, outchannel;
register struct Lisp_Process *p = XPROCESS (proc);
to get rid of irrelevant descriptors. */
void
-close_process_descs ()
+close_process_descs (void)
{
#ifndef WINDOWSNT
int i;
static int connect_counter = 0;
static void
-server_accept_connection (server, channel)
- Lisp_Object server;
- int channel;
+server_accept_connection (Lisp_Object server, int channel)
{
Lisp_Object proc, caller, name, buffer;
Lisp_Object contact, host, service;
int i;
args[0] = build_string ("%x:%x:%x:%x:%x:%x:%x:%x");
for (i = 0; i < 8; i++)
- args[i+1] = make_number (ntohs(ip6[i]));
+ args[i+1] = make_number (ntohs (ip6[i]));
host = Fformat (9, args);
service = make_number (ntohs (saddr.in.sin_port));
static int waiting_for_user_input_p;
static Lisp_Object
-wait_reading_process_output_unwind (data)
- Lisp_Object data;
+wait_reading_process_output_unwind (Lisp_Object data)
{
waiting_for_user_input_p = XINT (data);
return Qnil;
/* This is here so breakpoints can be put on it. */
static void
-wait_reading_process_output_1 ()
+wait_reading_process_output_1 (void)
{
}
#ifndef select
static INLINE int
-select_wrapper (n, rfd, wfd, xfd, tmo)
- int n;
- SELECT_TYPE *rfd, *wfd, *xfd;
- EMACS_TIME *tmo;
+select_wrapper (int n, fd_set *rfd, fd_set *wfd, fd_set *xfd, struct timeval *tmo)
{
return select (n, rfd, wfd, xfd, tmo);
}
FD_ZERO (&Connecting);
#endif
+ if (time_limit == 0 && wait_proc && !NILP (Vinhibit_quit)
+ && !(CONSP (wait_proc->status) && EQ (XCAR (wait_proc->status), Qexit)))
+ message ("Blocking call to accept-process-output with quit inhibited!!");
+
/* If wait_proc is a process to watch, set wait_channel accordingly. */
if (wait_proc != NULL)
wait_channel = wait_proc->infd;
SELECT_TYPE Ctemp;
#endif
- Atemp = input_wait_mask;
+ if (kbd_on_hold_p ())
+ FD_ZERO (&Atemp);
+ else
+ Atemp = input_wait_mask;
IF_NON_BLOCKING_CONNECT (Ctemp = connect_wait_mask);
EMACS_SET_SECS_USECS (timeout, 0, 0);
/* getsockopt(,,SO_ERROR,,) is said to hang on some systems.
So only use it on systems where it is known to work. */
{
- int xlen = sizeof(xerrno);
- if (getsockopt(channel, SOL_SOCKET, SO_ERROR, &xerrno, &xlen))
+ int xlen = sizeof (xerrno);
+ if (getsockopt (channel, SOL_SOCKET, SO_ERROR, &xerrno, &xlen))
xerrno = errno;
}
#else
{
struct sockaddr pname;
- int pnamelen = sizeof(pname);
+ int pnamelen = sizeof (pname);
/* If connection failed, getpeername will fail. */
xerrno = 0;
- if (getpeername(channel, &pname, &pnamelen) < 0)
+ if (getpeername (channel, &pname, &pnamelen) < 0)
{
/* Obtain connect failure code through error slippage. */
char dummy;
xerrno = errno;
- if (errno == ENOTCONN && read(channel, &dummy, 1) < 0)
+ if (errno == ENOTCONN && read (channel, &dummy, 1) < 0)
xerrno = errno;
}
}
/* Given a list (FUNCTION ARGS...), apply FUNCTION to the ARGS. */
static Lisp_Object
-read_process_output_call (fun_and_args)
- Lisp_Object fun_and_args;
+read_process_output_call (Lisp_Object fun_and_args)
{
return apply1 (XCAR (fun_and_args), XCDR (fun_and_args));
}
static Lisp_Object
-read_process_output_error_handler (error)
- Lisp_Object error;
+read_process_output_error_handler (Lisp_Object error)
{
cmd_error_internal (error, "error in process filter: ");
Vinhibit_quit = Qt;
for decoding. */
static int
-read_process_output (proc, channel)
- Lisp_Object proc;
- register int channel;
+read_process_output (Lisp_Object proc, register int channel)
{
register int nbytes;
char *chars;
struct coding_system *coding = proc_decode_coding_system[channel];
int carryover = p->decoding_carryover;
int readmax = 4096;
+ int count = SPECPDL_INDEX ();
+ Lisp_Object odeactivate;
chars = (char *) alloca (carryover + readmax);
if (carryover)
/* See the comment above. */
- bcopy (SDATA (p->decoding_buf), chars, carryover);
+ memcpy (chars, SDATA (p->decoding_buf), carryover);
#ifdef DATAGRAM_SOCKETS
/* We have a working select, so proc_buffered_char is always -1. */
/* Now set NBYTES how many bytes we must decode. */
nbytes += carryover;
+ odeactivate = Vdeactivate_mark;
+ /* There's no good reason to let process filters change the current
+ buffer, and many callers of accept-process-output, sit-for, and
+ friends don't expect current-buffer to be changed from under them. */
+ record_unwind_protect (set_buffer_if_live, Fcurrent_buffer ());
+
/* Read and dispose of the process output. */
outstream = p->filter;
if (!NILP (outstream))
{
- /* We inhibit quit here instead of just catching it so that
- hitting ^G when a filter happens to be running won't screw
- it up. */
- int count = SPECPDL_INDEX ();
- Lisp_Object odeactivate;
Lisp_Object obuffer, okeymap;
Lisp_Object text;
int outer_running_asynch_code = running_asynch_code;
/* No need to gcpro these, because all we do with them later
is test them for EQness, and none of them should be a string. */
- odeactivate = Vdeactivate_mark;
XSETBUFFER (obuffer, current_buffer);
okeymap = current_buffer->keymap;
+ /* We inhibit quit here instead of just catching it so that
+ hitting ^G when a filter happens to be running won't screw
+ it up. */
specbind (Qinhibit_quit, Qt);
specbind (Qlast_nonmenu_event, Qt);
{
if (SCHARS (p->decoding_buf) < coding->carryover_bytes)
p->decoding_buf = make_uninit_string (coding->carryover_bytes);
- bcopy (coding->carryover, SDATA (p->decoding_buf),
- coding->carryover_bytes);
+ memcpy (SDATA (p->decoding_buf), coding->carryover,
+ coding->carryover_bytes);
p->decoding_carryover = coding->carryover_bytes;
}
if (SBYTES (text) > 0)
restore_search_regs ();
running_asynch_code = outer_running_asynch_code;
- /* Handling the process output should not deactivate the mark. */
- Vdeactivate_mark = odeactivate;
-
/* Restore waiting_for_user_input_p as it was
when we were called, in case the filter clobbered it. */
waiting_for_user_input_p = waiting;
cause trouble (for example it would make sit_for return). */
if (waiting_for_user_input_p == -1)
record_asynch_buffer_change ();
-
- unbind_to (count, Qnil);
- return nbytes;
}
/* If no filter, write into buffer if it isn't dead. */
- if (!NILP (p->buffer) && !NILP (XBUFFER (p->buffer)->name))
+ else if (!NILP (p->buffer) && !NILP (XBUFFER (p->buffer)->name))
{
Lisp_Object old_read_only;
int old_begv, old_zv;
int old_begv_byte, old_zv_byte;
- Lisp_Object odeactivate;
int before, before_byte;
int opoint_byte;
Lisp_Object text;
struct buffer *b;
- int count = SPECPDL_INDEX ();
- odeactivate = Vdeactivate_mark;
-
- record_unwind_protect (Fset_buffer, Fcurrent_buffer ());
Fset_buffer (p->buffer);
opoint = PT;
opoint_byte = PT_BYTE;
{
if (SCHARS (p->decoding_buf) < coding->carryover_bytes)
p->decoding_buf = make_uninit_string (coding->carryover_bytes);
- bcopy (coding->carryover, SDATA (p->decoding_buf),
- coding->carryover_bytes);
+ memcpy (SDATA (p->decoding_buf), coding->carryover,
+ coding->carryover_bytes);
p->decoding_carryover = coding->carryover_bytes;
}
/* Adjust the multibyteness of TEXT to that of the buffer. */
if (old_begv != BEGV || old_zv != ZV)
Fnarrow_to_region (make_number (old_begv), make_number (old_zv));
- /* Handling the process output should not deactivate the mark. */
- Vdeactivate_mark = odeactivate;
current_buffer->read_only = old_read_only;
SET_PT_BOTH (opoint, opoint_byte);
- unbind_to (count, Qnil);
}
+ /* Handling the process output should not deactivate the mark. */
+ Vdeactivate_mark = odeactivate;
+
+ unbind_to (count, Qnil);
return nbytes;
}
Lisp_Object process_sent_to;
SIGTYPE
-send_process_trap ()
+send_process_trap (int ignore)
{
SIGNAL_THREAD_CHECK (SIGPIPE);
sigunblock (sigmask (SIGPIPE));
This function can evaluate Lisp code and can garbage collect. */
static void
-send_process (proc, buf, len, object)
- volatile Lisp_Object proc;
- unsigned char *volatile buf;
- volatile int len;
- volatile Lisp_Object object;
+send_process (volatile Lisp_Object proc, unsigned char *volatile buf,
+ volatile int len, volatile Lisp_Object object)
{
/* Use volatile to protect variables from being clobbered by longjmp. */
struct Lisp_Process *p = XPROCESS (proc);
int rv;
struct coding_system *coding;
struct gcpro gcpro1;
- SIGTYPE (*volatile old_sigpipe) ();
+ SIGTYPE (*volatile old_sigpipe) (int);
GCPRO1 (object);
{
int this = len;
- /* Decide how much data we can send in one batch.
- Long lines need to be split into multiple batches. */
- if (p->pty_flag)
- {
- /* Starting this at zero is always correct when not the first
- iteration because the previous iteration ended by sending C-d.
- It may not be correct for the first iteration
- if a partial line was sent in a separate send_process call.
- If that proves worth handling, we need to save linepos
- in the process object. */
- int linepos = 0;
- unsigned char *ptr = (unsigned char *) buf;
- unsigned char *end = (unsigned char *) buf + len;
-
- /* Scan through this text for a line that is too long. */
- while (ptr != end && linepos < pty_max_bytes)
- {
- if (*ptr == '\n')
- linepos = 0;
- else
- linepos++;
- ptr++;
- }
- /* If we found one, break the line there
- and put in a C-d to force the buffer through. */
- this = ptr - buf;
- }
-
/* Send this batch, using one or more write calls. */
while (this > 0)
{
int outfd = p->outfd;
- old_sigpipe = (SIGTYPE (*) ()) signal (SIGPIPE, send_process_trap);
+ old_sigpipe = (SIGTYPE (*) (int)) signal (SIGPIPE, send_process_trap);
#ifdef DATAGRAM_SOCKETS
if (DATAGRAM_CHAN_P (outfd))
{
len -= rv;
this -= rv;
}
-
- /* If we sent just part of the string, put in an EOF (C-d)
- to force it through, before we send the rest. */
- if (len > 0)
- Fprocess_send_eof (proc);
}
}
else
/* Return the foreground process group for the tty/pty that
the process P uses. */
static int
-emacs_get_tty_pgrp (p)
- struct Lisp_Process *p;
+emacs_get_tty_pgrp (struct Lisp_Process *p)
{
int gid = -1;
their uid, for which killpg would return an EPERM error. */
static void
-process_send_signal (process, signo, current_group, nomsg)
- Lisp_Object process;
- int signo;
- Lisp_Object current_group;
- int nomsg;
+process_send_signal (Lisp_Object process, int signo, Lisp_Object current_group,
+ int nomsg)
{
Lisp_Object proc;
register struct Lisp_Process *p;
CHECK_SYMBOL (sigcode);
name = SDATA (SYMBOL_NAME (sigcode));
- if (!strncmp(name, "SIG", 3) || !strncmp(name, "sig", 3))
+ if (!strncmp (name, "SIG", 3) || !strncmp (name, "sig", 3))
name += 3;
if (0)
if (!proc_encode_coding_system[new_outfd])
proc_encode_coding_system[new_outfd]
= (struct coding_system *) xmalloc (sizeof (struct coding_system));
- bcopy (proc_encode_coding_system[old_outfd],
- proc_encode_coding_system[new_outfd],
- sizeof (struct coding_system));
- bzero (proc_encode_coding_system[old_outfd],
- sizeof (struct coding_system));
+ memcpy (proc_encode_coding_system[new_outfd],
+ proc_encode_coding_system[old_outfd],
+ sizeof (struct coding_system));
+ memset (proc_encode_coding_system[old_outfd], 0,
+ sizeof (struct coding_system));
XPROCESS (proc)->outfd = new_outfd;
}
If `buffer' is nil, kill all processes */
void
-kill_buffer_processes (buffer)
- Lisp_Object buffer;
+kill_buffer_processes (Lisp_Object buffer)
{
Lisp_Object tail, proc;
#ifdef SIGCHLD
SIGTYPE
-sigchld_handler (signo)
- int signo;
+sigchld_handler (int signo)
{
int old_errno = errno;
Lisp_Object proc;
\f
static Lisp_Object
-exec_sentinel_unwind (data)
- Lisp_Object data;
+exec_sentinel_unwind (Lisp_Object data)
{
XPROCESS (XCAR (data))->sentinel = XCDR (data);
return Qnil;
}
static Lisp_Object
-exec_sentinel_error_handler (error)
- Lisp_Object error;
+exec_sentinel_error_handler (Lisp_Object error)
{
cmd_error_internal (error, "error in process sentinel: ");
Vinhibit_quit = Qt;
}
static void
-exec_sentinel (proc, reason)
- Lisp_Object proc, reason;
+exec_sentinel (Lisp_Object proc, Lisp_Object reason)
{
Lisp_Object sentinel, obuffer, odeactivate, okeymap;
register struct Lisp_Process *p = XPROCESS (proc);
XSETBUFFER (obuffer, current_buffer);
okeymap = current_buffer->keymap;
+ /* There's no good reason to let sentinels change the current
+ buffer, and many callers of accept-process-output, sit-for, and
+ friends don't expect current-buffer to be changed from under them. */
+ record_unwind_protect (set_buffer_if_live, Fcurrent_buffer ());
+
sentinel = p->sentinel;
if (NILP (sentinel))
return;
but can be done at other times. */
static void
-status_notify (deleting_process)
- struct Lisp_Process *deleting_process;
+status_notify (struct Lisp_Process *deleting_process)
{
register Lisp_Object proc, buffer;
Lisp_Object tail, msg;
when a process becomes runnable. */
else if (!EQ (symbol, Qrun) && !NILP (buffer))
{
- Lisp_Object ro, tem;
+ Lisp_Object tem;
struct buffer *old = current_buffer;
int opoint, opoint_byte;
int before, before_byte;
- ro = XBUFFER (buffer)->read_only;
-
/* Avoid error if buffer is deleted
(probably that's why the process is dead, too) */
if (NILP (XBUFFER (buffer)->name))
\f
+/* Stop reading input from keyboard sources. */
+
+void
+hold_keyboard_input (void)
+{
+ kbd_is_on_hold = 1;
+}
+
+/* Resume reading input from keyboard sources. */
+
+void
+unhold_keyboard_input (void)
+{
+ kbd_is_on_hold = 0;
+}
+
+/* Return non-zero if keyboard input is on hold, zero otherwise. */
+
+int
+kbd_on_hold_p (void)
+{
+ return kbd_is_on_hold;
+}
+
/* Add DESC to the set of keyboard input descriptors. */
void
-add_keyboard_wait_descriptor (desc)
- int desc;
+add_keyboard_wait_descriptor (int desc)
{
FD_SET (desc, &input_wait_mask);
FD_SET (desc, &non_process_wait_mask);
static int add_gpm_wait_descriptor_called_flag;
void
-add_gpm_wait_descriptor (desc)
- int desc;
+add_gpm_wait_descriptor (int desc)
{
if (! add_gpm_wait_descriptor_called_flag)
FD_CLR (0, &input_wait_mask);
/* From now on, do not expect DESC to give keyboard input. */
void
-delete_keyboard_wait_descriptor (desc)
- int desc;
+delete_keyboard_wait_descriptor (int desc)
{
int fd;
int lim = max_keyboard_desc;
}
void
-delete_gpm_wait_descriptor (desc)
- int desc;
+delete_gpm_wait_descriptor (int desc)
{
int fd;
int lim = max_gpm_desc;
that corresponds to one of the keyboard input descriptors. */
static int
-keyboard_bit_set (mask)
- SELECT_TYPE *mask;
+keyboard_bit_set (fd_set *mask)
{
int fd;
}
\f
void
-init_process ()
+init_process (void)
{
register int i;
chan_process[i] = Qnil;
proc_buffered_char[i] = -1;
}
- bzero (proc_decode_coding_system, sizeof proc_decode_coding_system);
- bzero (proc_encode_coding_system, sizeof proc_encode_coding_system);
+ memset (proc_decode_coding_system, 0, sizeof proc_decode_coding_system);
+ memset (proc_encode_coding_system, 0, sizeof proc_encode_coding_system);
#ifdef DATAGRAM_SOCKETS
- bzero (datagram_address, sizeof datagram_address);
+ memset (datagram_address, 0, sizeof datagram_address);
#endif
#ifdef HAVE_SOCKETS
processes. As such, we only change the default value. */
if (initialized)
{
- char *release = get_operating_system_release();
+ char *release = get_operating_system_release ();
if (!release || !release[0] || (release[0] < MIN_PTY_KERNEL_VERSION
&& release[1] == '.')) {
Vprocess_connection_type = Qnil;
}
void
-syms_of_process ()
+syms_of_process (void)
{
Qprocessp = intern_c_string ("processp");
staticpro (&Qprocessp);
void
init_process ()
{
+ kbd_is_on_hold = 0;
}
void