Changeset 23869 in vbox for trunk/src/libs/xpcom18a4/nsprpub

Timestamp:

Oct 19, 2009 2:32:57 PM (15 years ago)

Author:

vboxsync

Message:

fix/hack waitpid issues for unix platforms: racing of RT and xpcom, make waitpid for terminated child processes

File:

• trunk/src/libs/xpcom18a4/nsprpub/pr/src/md/unix/uxproces.c (modified) (2 diffs)

trunk/src/libs/xpcom18a4/nsprpub/pr/src/md/unix/uxproces.c

@@ -674 +674 @@
         while (1) {
             do {
+#ifdef VBOX
+                /*
+                 * make sure we wait only for child of our group
+                 * to ensure we do not interfere with RT
+                 */
+                pid = waitpid((pid_t) 0, &status, 0);
+#else
                 pid = waitpid((pid_t) -1, &status, 0);
+#endif
             } while ((pid_t) -1 == pid && EINTR == errno);
 
@@ -764 +772 @@
         while (1) {
             do {
+#ifdef VBOX
+                /*
+                 * make sure we wait only for child of our group
+                 * to ensure we do not interfere with RT
+                 */
+                pid = waitpid((pid_t) 0, &status, WNOHANG);
+#else
                 pid = waitpid((pid_t) -1, &status, WNOHANG);
+#endif
             } while ((pid_t) -1 == pid && EINTR == errno);
             if (0 == pid) break;