#endif /* NO_SUBPROCESSES */
-void
-wait_for_termination (int pid)
+#ifdef WINDOWSNT
+void wait_for_termination (HANDLE pHandle)
+#else
+void wait_for_termination (int pid)
+#endif
{
/* #### With the new improved SIGCHLD handling stuff, there is much
less danger of race conditions and some of the comments below
Since implementations may add their own error indicators on top,
we ignore it by default. */
+#elif defined (WINDOWSNT)
+ int ret = 0, status = 0;
+ if (pHandle == NULL)
+ {
+ warn_when_safe (Qprocess, Qwarning, "Cannot wait for unknown process to terminate");
+ return;
+ }
+ do
+ {
+ QUIT;
+ ret = WaitForSingleObject(pHandle, 100);
+ }
+ while (ret == WAIT_TIMEOUT);
+ if (ret == WAIT_FAILED)
+ {
+ warn_when_safe (Qprocess, Qwarning, "waiting for process failed");
+ }
+ if (ret == WAIT_ABANDONED)
+ {
+ warn_when_safe (Qprocess, Qwarning,
+ "process to wait for has been abandoned");
+ }
+ if (ret == WAIT_OBJECT_0)
+ {
+ ret = GetExitCodeProcess(pHandle, &status);
+ if (ret)
+ {
+ synch_process_alive = 0;
+ synch_process_retcode = status;
+ }
+ else
+ {
+ /* GetExitCodeProcess() didn't return a valid exit status,
+ nothing to do. APA */
+ warn_when_safe (Qprocess, Qwarning,
+ "failure to obtain process exit value");
+ }
+ }
+ if (pHandle != NULL && !CloseHandle(pHandle))
+ {
+ warn_when_safe (Qprocess, Qwarning,
+ "failure to close unknown process");
+ }
#elif defined (EMACS_BLOCK_SIGNAL) && !defined (BROKEN_WAIT_FOR_SIGNAL) && defined (SIGCHLD)
while (1)
{
Try defining BROKEN_WAIT_FOR_SIGNAL. */
EMACS_WAIT_FOR_SIGNAL (SIGCHLD);
}
-#else /* not HAVE_WAITPID and (not EMACS_BLOCK_SIGNAL or BROKEN_WAIT_FOR_SIGNAL) */
+#else /* not HAVE_WAITPID and not WINDOWSNT and (not EMACS_BLOCK_SIGNAL or BROKEN_WAIT_FOR_SIGNAL) */
/* This approach is kind of cheesy but is guaranteed(?!) to work
for all systems. */
while (1)
child_setup_tty (int out)
{
struct emacs_tty s;
- EMACS_GET_TTY (out, &s);
+ emacs_get_tty (out, &s);
#if defined (HAVE_TERMIO) || defined (HAVE_TERMIOS)
assert (isatty(out));
s.lmode = LLITOUT | s.lmode; /* Don't strip 8th bit */
#endif /* not HAVE_TERMIO */
- EMACS_SET_TTY (out, &s, 0);
+ emacs_set_tty (out, &s, 0);
#ifdef RTU
{
}
#ifdef WINDOWSNT
-int
+pid_t
sys_getpid (void)
{
return abs (getpid ());
static void
sys_subshell (void)
{
+#ifdef WINDOWSNT
+ HANDLE pid;
+#else
int pid;
+#endif
struct save_signal saved_handlers[5];
Lisp_Object dir;
unsigned char *str = 0;
xyzzy:
#ifdef WINDOWSNT
- pid = -1;
+ pid = NULL;
#else /* not WINDOWSNT */
pid = fork ();
#ifdef WINDOWSNT
/* Waits for process completion */
pid = _spawnlp (_P_WAIT, sh, sh, NULL);
- if (pid == -1)
+ if (pid == NULL)
write (1, "Can't execute subshell", 22);
#else /* not WINDOWSNT */
/* Set the parameters of the tty on FD according to the contents of
*SETTINGS. If FLUSHP is non-zero, we discard input.
- Return 0 if all went well, and -1 if anything failed. */
+ Return 0 if all went well, and -1 if anything failed.
+ #### All current callers use FLUSHP == 0. */
int
emacs_set_tty (int fd, struct emacs_tty *settings, int flushp)
input_fd = CONSOLE_TTY_DATA (con)->infd;
output_fd = CONSOLE_TTY_DATA (con)->outfd;
- EMACS_GET_TTY (input_fd, &CONSOLE_TTY_DATA (con)->old_tty);
+ emacs_get_tty (input_fd, &CONSOLE_TTY_DATA (con)->old_tty);
tty = CONSOLE_TTY_DATA (con)->old_tty;
con->tty_erase_char = Qnil;
tty.ltchars = new_ltchars;
#endif /* HAVE_LTCHARS */
- EMACS_SET_TTY (input_fd, &tty, 0);
+ emacs_set_tty (input_fd, &tty, 0);
/* This code added to insure that, if flow-control is not to be used,
we have an unlocked terminal at the start. */
{
struct emacs_tty tty;
- EMACS_GET_TTY (DEVICE_INFD (d), &tty);
+ emacs_get_tty (DEVICE_INFD (d), &tty);
return EMACS_TTY_TABS_OK (&tty);
}
#endif
assert (DEVICE_TTY_P (d));
input_fd = DEVICE_INFD (d);
- EMACS_GET_TTY (input_fd, &s);
+ emacs_get_tty (input_fd, &s);
#if defined (HAVE_TERMIO) || defined (HAVE_TERMIOS)
eight_bit = (s.main.c_cflag & CSIZE) == CS8;
fsync (output_fd);
#endif
- while (EMACS_SET_TTY (input_fd, &CONSOLE_TTY_DATA (con)->old_tty, 0)
+ while (emacs_set_tty (input_fd, &CONSOLE_TTY_DATA (con)->old_tty, 0)
< 0 && errno == EINTR)
;
/* Ben sez: read Dick Gabriel's essay about the Worse Is Better
approach to programming and its connection to the silly
- interruptible-system-call business. To find it, look at
- Jamie's home page (http://www.netscape.com/people/jwz). */
+ interruptible-system-call business. To find it, look on
+ Jamie's home page (http://www.jwz.org/worse-is-better.html). */
#ifdef ENCAPSULATE_OPEN
int
#ifdef ENCAPSULATE_CLOSE
int
-sys_close (int fd)
+sys_close (int filedes)
{
#ifdef INTERRUPTIBLE_CLOSE
int did_retry = 0;
REGISTER int rtnval;
- while ((rtnval = close (fd)) == -1
+ while ((rtnval = close (filedes)) == -1
&& (errno == EINTR))
did_retry = 1;
return rtnval;
#else
- return close (fd);
+ return close (filedes);
#endif
}
#endif /* ENCAPSULATE_CLOSE */
-int
+ssize_t
sys_read_1 (int fildes, void *buf, size_t nbyte, int allow_quit)
{
- int rtnval;
+ ssize_t rtnval;
/* No harm in looping regardless of the INTERRUPTIBLE_IO setting. */
while ((rtnval = read (fildes, buf, nbyte)) == -1
}
#ifdef ENCAPSULATE_READ
-int
+ssize_t
sys_read (int fildes, void *buf, size_t nbyte)
{
return sys_read_1 (fildes, buf, nbyte, 0);
}
#endif /* ENCAPSULATE_READ */
-int
+ssize_t
sys_write_1 (int fildes, CONST void *buf, size_t nbyte, int allow_quit)
{
- int rtnval;
- int bytes_written = 0;
+ ssize_t bytes_written = 0;
CONST char *b = (CONST char *) buf;
/* No harm in looping regardless of the INTERRUPTIBLE_IO setting. */
while (nbyte > 0)
{
- rtnval = write (fildes, b, nbyte);
+ ssize_t rtnval = write (fildes, b, nbyte);
if (allow_quit)
REALLY_QUIT;
if (errno == EINTR)
continue;
else
- return (bytes_written ? bytes_written : -1);
+ return bytes_written ? bytes_written : -1;
}
b += rtnval;
nbyte -= rtnval;
bytes_written += rtnval;
}
- return (bytes_written);
+ return bytes_written;
}
#ifdef ENCAPSULATE_WRITE
-int
+ssize_t
sys_write (int fildes, CONST void *buf, size_t nbyte)
{
return sys_write_1 (fildes, buf, nbyte, 0);
#endif /* ENCAPSULATE_READLINK */
+#ifdef ENCAPSULATE_FSTAT
+int
+sys_fstat (int fd, struct stat *buf)
+{
+ return fstat (fd, buf);
+}
+#endif /* ENCAPSULATE_FSTAT */
+
+
#ifdef ENCAPSULATE_STAT
int
sys_stat (CONST char *path, struct stat *buf)
projects / chise / xemacs-chise.git.1 / blobdiff