Signed-off-by: Christian Seiler <[email protected]>
---
src/lxc/utils.c | 16 ++++++++++++++++
src/lxc/utils.h | 3 +++
2 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/src/lxc/utils.c b/src/lxc/utils.c
index cf42c38..66bd19d 100644
--- a/src/lxc/utils.c
+++ b/src/lxc/utils.c
@@ -265,3 +265,19 @@ again:
return -1;
return 0;
}
+
+int lxc_wait_for_pid_status(pid_t pid)
+{
+ int status, ret;
+
+again:
+ ret = waitpid(pid, &status, 0);
+ if (ret == -1) {
+ if (errno == EINTR)
+ goto again;
+ return -1;
+ }
+ if (ret != pid)
+ goto again;
+ return status;
+}
diff --git a/src/lxc/utils.h b/src/lxc/utils.h
index 09af34a..be1a8a8 100644
--- a/src/lxc/utils.h
+++ b/src/lxc/utils.h
@@ -23,6 +23,8 @@
#ifndef _utils_h
#define _utils_h
+#include <sys/types.h>
+
extern int lxc_setup_fs(void);
extern int get_u16(unsigned short *val, const char *arg, int base);
extern int mkdir_p(const char *dir, mode_t mode);
@@ -64,5 +66,6 @@ extern int __build_bug_on_failed;
* wait on a child we forked
*/
extern int wait_for_pid(pid_t pid);
+extern int lxc_wait_for_pid_status(pid_t pid);
#endif
--
1.7.8.6
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