libs/libhutils/*: fix confusing wait_chdl_[timed] () return value

Now, hutils_wait_chld () returns, on successfully waiting a child, its PID number, instead of 0. This gives the ability to other functions to distinguish between "nothing to wait for" from "successfully waited child".

libs/libhutils/*: fix confusing wait_chdl_[timed] () return value
Now, hutils_wait_chld () returns, on successfully waiting a child, its PID number, instead of 0. This gives the ability to other functions to distinguish between "nothing to wait for" from "successfully waited child".
1a2132bf · Lucas Russo · 5de2632a · 1a2132bf
Commit 1a2132bf authored Nov 10, 2015 by Lucas Russo
Hide whitespace changes
Inline Side-by-side

Showing with 2 additions and 2 deletions

hutils_utils.c src/libs/libhutils/src/hutils_utils.c +2 -2

No files found.
--- a/src/libs/libhutils/src/hutils_utils.c
+++ b/src/libs/libhutils/src/hutils_utils.c
@@ -245,7 +245,7 @@ int hutils_wait_chld (void)
                WTERMSIG(chld_status));
    }
-    return 0;
+    return chld_pid;
 }
 int hutils_wait_chld_timed (int timeout)
@@ -260,7 +260,7 @@ int hutils_wait_chld_timed (int timeout)
        }
        err = hutils_wait_chld ();
-        if (err == 0) {
+        if (err > 0) {
            DBE_DEBUG (DBG_HAL_UTILS | DBG_LVL_WARN, "[hutils:utils] "
                    "hutils_wait_chld_timed: finished waiting\n");
            goto exit;