cleanup + add timeouts for pid_workspace list

1 files changed, 10 insertions, 18 deletions

diff --git a/common/util.c b/common/util.c
index e760443a..12cb7470 100644
--- a/common/util.c
+++ b/common/util.c
@@ -74,30 +74,22 @@ pid_t get_parent_pid(pid_t child) {
         char file_name[100];
         char *buffer = NULL;
         char *token = NULL;
-        const char sep[2] = " ";
+        const char *sep = " ";
         FILE *stat = NULL;
 
-        sway_log(L_DEBUG, "trying to get parent pid for child pid %d", child);
-
         sprintf(file_name, "/proc/%d/stat", child);
 
-        if (!(stat = fopen(file_name, "r")) || !(buffer = read_line(stat))) {
-                return -1;
-        }
-
-        fclose(stat);
+        if ((stat = fopen(file_name, "r")) && (buffer = read_line(stat))) {
+                fclose(stat);
 
-        sway_log(L_DEBUG, "buffer string is %s", buffer);
+                token = strtok(buffer, sep); // pid
+                token = strtok(NULL, sep);   // executable name
+                token = strtok(NULL, sep);   // state
+                token = strtok(NULL, sep);   // parent pid
 
-        token = strtok(buffer, sep);
-
-        for (int i = 0; i < 3; i++) {
-                token = strtok(NULL, sep);
+                parent = strtol(token, NULL, 10);
+                return (parent == child) ? -1 : parent;
         }
 
-        parent = strtol(token, NULL, 10);
-
-        sway_log(L_DEBUG, "found parent pid %d for child pid %d", parent, child);
-
-        return (parent == child) ? -1 : parent;
+        return -1;
 }