0.8.0.78.vector-nil-string.1:

[sbcl.git] / src / runtime / run-program.c

diff --git a/src/runtime/run-program.c b/src/runtime/run-program.c
index 6a88000..241db7f 100644 (file)
--- a/src/runtime/run-program.c
+++ b/src/runtime/run-program.c
@@ -13,13 +13,44 @@
  * files for more information.
  */
 
+#include <stdlib.h>
 #include <sys/file.h>
-#include <sys/fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
 #include <sys/ioctl.h>
-#ifdef SVR4
+#if defined(SVR4) || defined(__linux__)
 #include <unistd.h>
 #endif
 
+#include <sys/ioctl.h>
+#include <termios.h>
+
+
+/* borrowed from detachtty's detachtty.c, in turn borrowed from APUE
+ * example code found at
+ * http://www.yendor.com/programming/unix/apue/pty/main.c
+
+-brkint 
+
+ */
+
+int set_noecho(int fd) 
+{
+    struct termios  stermios;
+    
+    if (tcgetattr(fd, &stermios) < 0) return 0;
+    
+    stermios.c_lflag &= ~(  ECHO | /* ECHOE |  ECHOK | */  ECHONL);
+    stermios.c_oflag |= (ONLCR); 
+    stermios.c_iflag &= ~(BRKINT);
+    stermios.c_iflag |= (ICANON|ICRNL); 
+
+    stermios.c_cc[VERASE]=0177;
+    if (tcsetattr(fd, TCSANOW, &stermios) < 0) return 0;
+    return 1;
+}
+
 int spawn(char *program, char *argv[], char *envp[], char *pty_name,
          int stdin, int stdout, int stderr)
 {
@@ -32,7 +63,7 @@ int spawn(char *program, char *argv[], char *envp[], char *pty_name,
     /* Put us in our own process group. */
 #if defined(hpux)
     setsid();
-#elif defined(SVR4)
+#elif defined(SVR4) || defined(__linux__)
     setpgrp();
 #else
     setpgrp(0, getpid());
@@ -47,14 +78,13 @@ int spawn(char *program, char *argv[], char *envp[], char *pty_name,
            close(fd);
        }
 #endif
-
        fd = open(pty_name, O_RDWR, 0);
        dup2(fd, 0);
+       set_noecho(0);
        dup2(fd, 1);
        dup2(fd, 2);
        close(fd);
-    }
-
+    } else{
     /* Set up stdin, stdout, and stderr */
     if (stdin >= 0)
        dup2(stdin, 0);
@@ -62,7 +92,7 @@ int spawn(char *program, char *argv[], char *envp[], char *pty_name,
        dup2(stdout, 1);
     if (stderr >= 0)
        dup2(stderr, 2);
-
+    }
     /* Close all other fds. */
 #ifdef SVR4
     for (fd = sysconf(_SC_OPEN_MAX)-1; fd >= 3; fd--)