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nspawn: be less cryptic when clone() fails

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Based on a patch suggested by Shawn Landden.
This commit is contained in:
Lennart Poettering 2012-03-06 02:06:29 +01:00
parent 0716c60e37
commit 52af21063b
1 changed files with 7 additions and 2 deletions
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9
src/nspawn.c
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@ -706,8 +706,13 @@ int main(int argc, char *argv[]) {
sigset_add_many(&mask, SIGCHLD, SIGWINCH, SIGTERM, SIGINT, -1);
assert_se(sigprocmask(SIG_BLOCK, &mask, NULL) == 0);
if ((pid = syscall(__NR_clone, SIGCHLD|CLONE_NEWIPC|CLONE_NEWNS|CLONE_NEWPID|CLONE_NEWUTS|(arg_private_network ? CLONE_NEWNET : 0), NULL)) < 0) {
log_error("clone() failed: %m");
pid = syscall(__NR_clone, SIGCHLD|CLONE_NEWIPC|CLONE_NEWNS|CLONE_NEWPID|CLONE_NEWUTS|(arg_private_network ? CLONE_NEWNET : 0), NULL);
if (pid < 0) {
if (errno == EINVAL)
log_error("clone() failed, do you have namespace support enabled in your kernel? (You need UTS, IPC, PID and NET namespacing built in): %m");
else
log_error("clone() failed: %m");
goto finish;
}