DO NOT MERGE, use previous. Trying to get ctrl-z to work.. no success yet, maybe breaks stufffixing_signals

1 files changed, 8 insertions, 2 deletions

diff --git a/02_exercise/process.c b/02_exercise/process.c
index 0b69074..2479955 100644
--- a/02_exercise/process.c
+++ b/02_exercise/process.c
@@ -3,10 +3,11 @@
 #include <string.h>
 #include <unistd.h>
 #include <wait.h>
+#include <errno.h>
 
 #include "array.h"
 #include "process.h"
-
+#include "signal_handler.h"
 
 // given a substring of a line tries to parse out as much information as possible
 int parse_command(char const *line, char const *end, process *p) {
@@ -142,7 +143,12 @@ int exec_command(process p) {
         printf("[%i]\n", p.pid);
 
     if (waitpid(p.pid, &status, p.blocking ? 0 : WNOHANG) < 0) {
-        fprintf(stderr, "wait error'ed out\n");
+        if (EINTR == errno) {
+            // cancelled by ctrl-c
+            handle_interrupt(p.pid);
+        } else {
+            perror("Could not wait for process");
+        }
     }
 
     return WEXITSTATUS(status);