got new flow working(?)

1 files changed, 13 insertions, 3 deletions

diff --git a/redes/exec.c b/redes/exec.c
index 964b0a0..8fb42b8 100644
--- a/redes/exec.c
+++ b/redes/exec.c
@@ -1,13 +1,17 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <fcntl.h>
+#include <signal.h>
+#include <sys/wait.h>
 
 #include "syntax.h"
 
 
 void execute_cmd(ExecutableCommand cmd, int* pgid) {
 
-    printf("ok\n");
+    printf("Ok\n");
+    fflush(stdout);
+
     pid_t pid = fork();
 
     if (pid == 0) {
@@ -100,9 +104,15 @@ void execute_command_pipeline(Pipeline pipeline) {
     int trunk_fd = STDIN_FILENO;
     int pgid = -1;
 
-    size_t i = 0;
+    printf("Starting pipeline of length %d\n", pipeline.count);
+    fflush(stdout);
+
+    signal(SIGTTIN, SIG_IGN);
+    signal(SIGTTOU, SIG_IGN);
 
     for (int i = 0; i < pipeline.count; i++) {
+        printf("Processing cmd %d\n", i);
+        fflush(stdout);
         PlCommand cmd = *get_from_Pipeline(&pipeline, i);
         ExecutableCommand exec_cmd = process_pl_command(cmd);
         exec_cmd.stdin_fd = trunk_fd;
@@ -130,7 +140,7 @@ void execute_command_pipeline(Pipeline pipeline) {
 }
 
 void execute_pipeline_tree(PipelineTree pltree) {
-    printf("Hello");
+    printf("Hello\n");
     fflush(stdout);
     execute_command_pipeline(*pltree.root); 
 }