Add logic to retain child task exit status if so configured

git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5553 42af7a65-404d-4744-a932-0658087f49c3
2026-10-26 06:33:33 +08:00 · 2013-01-23 22:23:46 +00:00
parent f86f863834
commit 340a72b7cd
23 changed files with 846 additions and 223 deletions
@@ -129,11 +129,13 @@

 /* struct sigaction flag values */

-#define SA_NOCLDSTOP    1 /* Do not generate SIGCHILD when
-                           * children stop (ignored) */
-#define SA_SIGINFO      2 /* Invoke the signal-catching function
-                           * with 3 args instead of 1
-                           * (always assumed) */
+#define SA_NOCLDSTOP    (1 << 0) /* Do not generate SIGCHILD when
+                                  * children stop (ignored) */
+#define SA_SIGINFO      (1 << 1) /* Invoke the signal-catching function
+                                  * with 3 args instead of 1
+                                  * (always assumed) */
+#define SA_NOCLDWAIT    (1 << 2) /* If signo=SIGCHLD, exit status of child
+                                  * processes will be discarded */

 /* These are the possible values of the signfo si_code field */