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pause.c: Document intended PID 1 behavior

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Lee Verberne
2016-12-22 21:51:10 +00:00
parent 7910a3f315
commit c706a052ef
1 changed files with 1 additions and 0 deletions
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build/pause/pause.c
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@@ -33,6 +33,7 @@ static void sigreap(int signo) {
int main() { int main() {
if (getpid() != 1) if (getpid() != 1)
/* Not an error because pause sees use outside of infra containers. */
fprintf(stderr, "Warning: pause should be the first process in a pod\n"); fprintf(stderr, "Warning: pause should be the first process in a pod\n");
if (sigaction(SIGINT, &(struct sigaction){.sa_handler = sigdown}, NULL) < 0) if (sigaction(SIGINT, &(struct sigaction){.sa_handler = sigdown}, NULL) < 0)