FreeBSD port: lttng_clone_files should execute handler

[lttng-tools.git] / src / common / compat / clone.h

diff --git a/src/common/compat/clone.h b/src/common/compat/clone.h
index 45eb37982c225c9551fe10b3f3f8ba909092a8e4..c3605080e8eac4ad38ec96557bbae96b77da4277 100644 (file)
--- a/src/common/compat/clone.h
+++ b/src/common/compat/clone.h
@@ -22,23 +22,42 @@
 
 #include <sched.h>
 
-#elif __FreeBSD__
-
-#include <unistd.h>
+static inline
+pid_t lttng_clone_files(int (*fn)(void *), void *child_stack, void *arg)
+{
+       return clone(fn, child_stack, CLONE_FILES | SIGCHLD, arg);
+}
 
-#define CLONE_FILES 0
+#elif defined(__FreeBSD__)
 
-#define clone(fct_ptr, child_stack, flags, arg, args...) \
-       compat_clone(fct_ptr, child_stack, flags, arg)
+#include <unistd.h>
 
-int compat_clone(int (*fn)(void *), void *child_stack, int flags,
-               void *arg)
+static inline
+pid_t lttng_clone_files(int (*fn)(void *), void *child_stack, void *arg)
 {
-       return -ENOSYS;
+       pid_t pid;
+
+       pid = rfork(RFPROC | RFTHREAD);
+       if (pid == 0) {
+               /* child */
+               int ret;
+
+               ret = fn(arg);
+               exit(ret);
+       } else if (pid > 0) {
+               /* parent */
+               /*
+                * Just return, the caller will wait for the child.
+                */
+               return pid;
+       } else {
+               /* Error */
+               return pid;
+       }
 }
 
 #else
-#error "Please add support for your OS into compat/clone.h."
+#error "Please add support for your OS."
 #endif /* __linux__ , __FreeBSD__ */
 
 #endif /* _COMPAT_CLONE_H */