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Long overdue, let Kore pick its own shm key if the default KORE_SHM_KEY is already taken.

This commit is contained in:
Joris Vink 2013-10-14 11:26:11 +02:00
parent d2447a8848
commit 9426906225
1 changed files with 9 additions and 3 deletions
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12
src/worker.c
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@ -65,6 +65,7 @@ void
kore_worker_init(void)
{
size_t len;
key_t key;
u_int16_t i, cpu;
if (worker_count == 0)
@ -72,9 +73,14 @@ kore_worker_init(void)
len = sizeof(*accept_lock) +
(sizeof(struct kore_worker) * worker_count);
shm_accept_key = shmget(KORE_SHM_KEY, len, IPC_CREAT | IPC_EXCL | 0700);
if (shm_accept_key == -1)
fatal("kore_worker_init(): shmget() %s", errno_s);
shm_accept_key = -1;
for (key = KORE_SHM_KEY; shm_accept_key == -1; key++) {
shm_accept_key = shmget(key, len, IPC_CREAT | IPC_EXCL | 0700);
if (shm_accept_key == -1 && errno != EEXIST)
fatal("kore_worker_init(): shmget() %s", errno_s);
}
if ((accept_lock = shmat(shm_accept_key, NULL, 0)) == NULL)
fatal("kore_worker_init(): shmat() %s", errno_s);