1 files changed, 80 insertions, 0 deletions
diff --git a/redes/exec.c b/redes/exec.c
new file mode 100644
index 0000000..18ea59e
--- /dev/null
+++ b/redes/exec.c
@@ -0,0 +1,80 @@
+#include <unistd.h>
+#include "syntax.h"
+
+
+void exec_cmd(ExecutableCommand cmd, int* pgid) {
+    
+    pid_t pid = fork();
+
+    if (pid == 0) {
+        
+        if (*pgid == -1) {
+            setpgid(0, 0);
+        } else {
+            setpgid(0, *pgid);
+        }
+
+        dup2(cmd.stdin_fd, STDIN_FILENO);
+        dup2(cmd.stdout_fd, STDOUT_FILENO);
+
+        for (int i = 0; i < cmd.open_fds.count; i++) {
+            FdRedirect fd_rd = *get_from_FdRedirectVec(&cmd.redirects, i);
+            dup2(fd_rd.to, fd_rd.redirected);
+        }
+
+        signal(SIGINT,  SIG_DFL);
+        signal(SIGQUIT, SIG_DFL);
+        signal(SIGTSTP, SIG_DFL);
+        signal(SIGTTIN, SIG_DFL);
+        signal(SIGTTOU, SIG_DFL);
+
+        execvp(cmd.args[0], cmd.args);
+        exit(67);
+    }
+
+    if (*pgid == -1) {
+        setpgid(pid, pid);
+        *pgid = pid;
+    } else {
+        setpgid(pid, *pgid);
+    }
+}
+
+
+ExecutableCommand process_pl_command(PlCommand pl_cmd) {
+    StrVec arg_vec = make_StrVec(256);
+    for (int i = 0; i < pl_cmd.args.count; i++) {
+        Arg arg = *get_from_ArgVec(&pl_cmd.args, i);
+        switch (arg.kind) {
+            case ARG_LIT:
+                push_to_StrVec(&arg_vec, arg.as.lit_str);
+                break;
+            default:
+                exit(67);
+        }
+    }
+
+    FdRedirectVec fd_redirs = make_FdRedirectVec(256);
+    for (int j = 0; j < pl_cmd.redirects.count, j++) {
+        Redirect redir = *get_from_RedirectVec(&pl_cmd.redirects, j);
+        FdRedirect fd_redir;
+        int fd;
+        switch (redir.kind) {
+            case REDIR_FILE_IN:  
+                fd = 
+        }
+    }
+}
+
+
+void execute_command_pipeline(PlCommand* pipeline) {
+    int trunk_fd = STDIN_FILENO;
+    int pgid = -1;
+
+    size_t i = 0;
+    Connector last_conn;
+    do {
+        PlCommand cmd = pipeline[i];
+        
+    } while (last_conn != CONN_EOL);
+}