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cgroup.c: fix a iwatcher initializing issue

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iwatcher of cgroup needs to be initialized earlier before any
cgroup_add functions being called.

Signed-off-by: Ming Liu <liu.ming50@gmail.com>
This commit is contained in:
Ming Liu
2022-01-27 10:16:14 +01:00
parent f32e4d4b30
commit add474e825
1 changed files with 7 additions and 7 deletions
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src/cgroup.c
+7 -7
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@@ -498,6 +498,13 @@ void cgroup_init(uev_ctx_t *ctx)
if (fnwrite(controllers, FINIT_CGPATH "/cgroup.subtree_control"))
_pe("Failed enabling %s for %s", controllers, FINIT_CGPATH "/cgroup.subtree_control");
/* prepare cgroup.events watcher */
fd = iwatch_init(&iw_cgroup);
if (uev_io_init(ctx, &cgw, cgroup_events_cb, NULL, fd, UEV_READ)) {
_pe("Failed setting up cgroup.events watcher");
close(fd);
}
/* Default (protected) groups, PID 1, services, and user/login processes */
cgroup_add("init", "cpu.weight:100", 1);
cgroup_add("system", "cpu.weight:9800", 1);
@@ -507,13 +514,6 @@ void cgroup_init(uev_ctx_t *ctx)
/* Move ourselves to init (best effort, otherwise run in 'root' group */
if (fnwrite("1", FINIT_CGPATH "/init/cgroup.procs"))
_pe("Failed moving PID 1 to cgroup ", FINIT_CGPATH "/init");
/* prepare cgroup.events watcher */
fd = iwatch_init(&iw_cgroup);
if (uev_io_init(ctx, &cgw, cgroup_events_cb, NULL, fd, UEV_READ)) {
_pe("Failed setting up cgroup.events watcher");
close(fd);
}
}
/**