diff options
| author | Luke T. Shumaker <lukeshu@lukeshu.com> | 2025-04-15 08:42:24 -0600 |
|---|---|---|
| committer | Luke T. Shumaker <lukeshu@lukeshu.com> | 2025-04-15 08:42:24 -0600 |
| commit | 802ed1e3cd0252cafd1be2aada0addf4d3f7eb2e (patch) | |
| tree | 70f49ed30f0f9839709a093c6af54661eeaad4ee /libcr_ipc/mutex.c | |
| parent | 0450e14b3a86e4448537c03253eeebf509f8909e (diff) | |
| parent | 32a1b710b40ce9d53cd0a7bc0c183da87e07f397 (diff) | |
Diffstat (limited to 'libcr_ipc/mutex.c')
| -rw-r--r-- | libcr_ipc/mutex.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/libcr_ipc/mutex.c b/libcr_ipc/mutex.c index b0ebe05..1b4e626 100644 --- a/libcr_ipc/mutex.c +++ b/libcr_ipc/mutex.c @@ -5,14 +5,15 @@ */ #include <libcr/coroutine.h> /* for cid_t, cr_* */ +#include <libmisc/assert.h> #define IMPLEMENTATION_FOR_LIBCR_IPC_MUTEX_H YES #include <libcr_ipc/mutex.h> struct cr_mutex_waiter { - lm_sll_node; cid_t cid; }; +SLIST_DECLARE_NODE(_cr_mutex_waiter_list, struct cr_mutex_waiter); void cr_mutex_lock(cr_mutex_t *mu) { assert(mu); @@ -21,10 +22,10 @@ void cr_mutex_lock(cr_mutex_t *mu) { if (!mu->locked) /* non-blocking fast-path */ mu->locked = true; else { /* blocking slow-path */ - struct cr_mutex_waiter self = { + struct _cr_mutex_waiter_list_node self = { .val = { .cid = cr_getcid(), - }; - lm_sll_push_to_rear(&mu->waiters, &self); + }}; + slist_push_to_rear(&mu->waiters, &self); cr_pause_and_yield(); } assert(mu->locked); @@ -36,8 +37,8 @@ void cr_mutex_unlock(cr_mutex_t *mu) { assert(mu->locked); if (mu->waiters.front) { - cr_unpause(lm_sll_node_cast(struct cr_mutex_waiter, mu->waiters.front)->cid); - lm_sll_pop_from_front(&mu->waiters); + cr_unpause(mu->waiters.front->val.cid); + slist_pop_from_front(&mu->waiters); } else mu->locked = false; } |