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core: fix error checking for PR_SET_CHILD_SUBREAPER

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This commit is contained in:
Lennart Poettering 2012-08-21 16:47:14 +02:00
parent 2cfa886eb1
commit 8b8ffe6828
1 changed files with 5 additions and 5 deletions
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10
src/core/main.c
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@ -1509,11 +1509,11 @@ int main(int argc, char *argv[]) {
if (arg_running_as == MANAGER_USER) { if (arg_running_as == MANAGER_USER) {
/* Become reaper of our children */ /* Become reaper of our children */
r = prctl(PR_SET_CHILD_SUBREAPER, 1); if (prctl(PR_SET_CHILD_SUBREAPER, 1) < 0) {
if (r < 0) log_warning("Failed to make us a subreaper: %m");
log_error("Failed to prctl(PR_SET_CHILD_SUBREAPER): %s", strerror(-r)); if (errno == EINVAL)
if (r == -EINVAL) log_info("Perhaps the kernel version is too old (< 3.3?)");
log_error("Perhaps the kernel version is too old (< 3.4?)"); }
} }
r = manager_new(arg_running_as, &m); r = manager_new(arg_running_as, &m);