Lines Matching refs:shell
88 /* When executing a command under the given shell, return non-zero if
98 that the shell name ends with 'csh', which covers at least csh
115 pass. SHELL_FILE is the shell file, or NULL if we should pick
138 int shell = 0;
148 do a fork/exec, no shell, so don't bother figuring out what
149 shell. */
153 /* Figure out what shell to start up the user program under. */
158 shell = 1;
175 if (!shell)
188 /* We're going to call a shell. */
328 /* If we decided above to start up with a shell, we exec the
329 shell, "-c" says to interpret the next arg as a shell command
331 <args>". "-f" means "fast startup" to the c-shell, which
334 if (shell)
411 have stopped one instruction after execing the shell. Here we
432 /* Let shell child handle its own signals in its own way.