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-rw-r--r--testsuite/systemtap.syscall/forkwait.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/testsuite/systemtap.syscall/forkwait.c b/testsuite/systemtap.syscall/forkwait.c
new file mode 100644
index 00000000..10f8d6ac
--- /dev/null
+++ b/testsuite/systemtap.syscall/forkwait.c
@@ -0,0 +1,25 @@
+/* COVERAGE: fork wait4 */
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <sys/wait.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int main ()
+{
+ pid_t child;
+ int status;
+
+ child = fork();
+ // clone (CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID) = NNNN
+ if (!child) {
+ int i = 0xfffff;
+ while (i > 0) i--;
+ exit(0);
+ }
+ wait4(child, &status, WNOHANG, NULL);
+ // wait4 (NNNN, XXXX, WNOHANG, XXXX) = NNNN
+
+ return 0;
+}