kore

commit 97bd389935b6a17768dfdba9945850b5ee6a133c
parent e5f6d37cd22d9b06ff29a47a2d39de782da9fb5a
Author: Joris Vink <joris@coders.se>
Date:   Tue, 28 Apr 2015 10:20:36 +0200

Use IPC_PRIVATE when creating our shm.

Instead of a homegrown mechanism of finding empty SHM
keys that may or may not be available.

Should fix #44

Diffstat:
src/worker.c
 | 
11
+++--------

1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/src/worker.c b/src/worker.c
@@ -78,7 +78,6 @@ void
 kore_worker_init(void)
 {
 	size_t			len;
-	key_t			key;
 	u_int16_t		i, cpu;
 
 	if (worker_count == 0)
@@ -87,13 +86,9 @@ kore_worker_init(void)
 	len = sizeof(*accept_lock) +
 	    (sizeof(struct kore_worker) * worker_count);
 
-	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);
-	}
-
+	shm_accept_key = shmget(IPC_PRIVATE, len, IPC_CREAT | IPC_EXCL | 0700);
+	if (shm_accept_key == -1)
+		fatal("kore_worker_init(): shmget() %s", errno_s);
 	if ((accept_lock = shmat(shm_accept_key, NULL, 0)) == (void *)-1)
 		fatal("kore_worker_init(): shmat() %s", errno_s);