Port: Add Solaris support to socket compat

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

diff --git a/src/common/compat/clone.h b/src/common/compat/clone.h
index 45eb37982c225c9551fe10b3f3f8ba909092a8e4..581595be05d8522ee41ea9ef549e4c69d5530acf 100644 (file)
--- a/src/common/compat/clone.h
+++ b/src/common/compat/clone.h
@@ -1,18 +1,18 @@
 /*
  * Copyright (C) 2011 - David Goulet <dgoulet@efficios.com>
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; only version 2 of the License.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2 only,
+ * as published by the Free Software Foundation.
  *
  * This program is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA  02111-1307, USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #ifndef _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 */