[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/build/uClibc/test/signal/sigchld.c b/ap/build/uClibc/test/signal/sigchld.c
new file mode 100644
index 0000000..22febac
--- /dev/null
+++ b/ap/build/uClibc/test/signal/sigchld.c
@@ -0,0 +1,68 @@
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <stdio.h>
+#include <sys/signal.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+
+#ifdef __ARCH_USE_MMU__
+
+static void test_handler(int signo)
+{
+ write(1, "caught SIGCHLD\n", 15);
+ return;
+}
+
+int main(void)
+{
+ pid_t mypid;
+ struct sigaction siga;
+ static sigset_t set;
+
+ /* Set up sighandling */
+ sigfillset(&set);
+ siga.sa_handler = test_handler;
+ siga.sa_mask = set;
+ siga.sa_flags = 0;
+ if (sigaction(SIGCHLD, &siga, (struct sigaction *)NULL) != 0) {
+ fprintf(stderr, "sigaction choked: %s!", strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+
+ /* Setup a child process to exercise the sig handling for us */
+ mypid = getpid();
+ if (fork() == 0) {
+ int i;
+
+ for (i=0; i < 3; i++) {
+ sleep(2);
+ kill(mypid, SIGCHLD);
+ }
+ _exit(EXIT_SUCCESS);
+ }
+
+
+ /* Wait for signals */
+ write(1, "waiting for a SIGCHLD\n",22);
+ for(;;) {
+ sleep(10);
+ if (waitpid(-1, NULL, WNOHANG | WUNTRACED) > 0)
+ break;
+ write(1, "after sleep\n", 12);
+ }
+
+ printf("Bye-bye! All done!\n");
+ return 0;
+}
+
+#else
+
+int main(void)
+{
+ printf("Skipping test on non-mmu host!\n");
+ return 0;
+}
+
+#endif