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Added a secprintf message to the beginning of forkbomb so it causes page faults

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and allocates pages that we'll need later to print success.
This commit is contained in:
Scott Haseley 2016-04-15 14:13:48 -04:00
parent 105fbc5ddd
commit e21c37b14f
1 changed files with 7 additions and 0 deletions
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7
userland/testbin/forkbomb/forkbomb.c
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@ -67,6 +67,13 @@ main(void)
int parent_pid = getpid(); int parent_pid = getpid();
int did_print = 0; int did_print = 0;
int iters = 0; int iters = 0;
// Do not remove!
// We need to cause page faults on the static secprintf buffers so the
// pages are available when we print success. With on-demand page allocation,
// we will probably be out of pages by the time we try to print success.
secprintf(SECRET, "!!< Starting Forkbbbboooommmmbbbb >!!", "/testbin/forkbomb");
while (1) { while (1) {
fork(); fork();
// Only parent gets to print // Only parent gets to print