otherwise glibc caches getpid() result and we put the parent
process in the new cgroup, in the case of 'nsexec -cg /bin/sleep 10'
Signed-off-by: Serge Hallyn <serue@xxxxxxxxxx>
---
nsexec.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/nsexec.c b/nsexec.c
index 3a825f1..79fcc70 100644
--- a/nsexec.c
+++ b/nsexec.c
@@ -154,7 +154,7 @@ int move_to_new_cgroup(int newcgroup)
fout = fopen(tasksfname, "w");
if (!fout)
return 0;
- fprintf(fout, "%d\n", getpid());
+ fprintf(fout, "%d\n", syscall(__NR_getpid));
fclose(fout);
return 1;
}
@@ -193,7 +193,7 @@ int do_child(void *vargv)
/* if pid == 1 then remount /proc */
/* But if the container has no /proc don't fret */
- if (getpid() == 1) {
+ if (syscall(__NR_getpid) == 1) {
umount2("/proc", MNT_DETACH);
mount("proc", "/proc", "proc", 0, NULL);
}
--
1.6.4.4
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