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Diffstat (limited to 'src/core/ngx_shmtx.h')
-rw-r--r--src/core/ngx_shmtx.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/src/core/ngx_shmtx.h b/src/core/ngx_shmtx.h
index 714f73aa6..3ee7d3a79 100644
--- a/src/core/ngx_shmtx.h
+++ b/src/core/ngx_shmtx.h
@@ -13,9 +13,18 @@
typedef struct {
+ ngx_atomic_t lock;
+#if (NGX_HAVE_POSIX_SEM)
+ ngx_atomic_t wait;
+#endif
+} ngx_shmtx_sh_t;
+
+
+typedef struct {
#if (NGX_HAVE_ATOMIC_OPS)
ngx_atomic_t *lock;
#if (NGX_HAVE_POSIX_SEM)
+ ngx_atomic_t *wait;
ngx_uint_t semaphore;
sem_t sem;
#endif
@@ -27,11 +36,13 @@ typedef struct {
} ngx_shmtx_t;
-ngx_int_t ngx_shmtx_create(ngx_shmtx_t *mtx, void *addr, u_char *name);
+ngx_int_t ngx_shmtx_create(ngx_shmtx_t *mtx, ngx_shmtx_sh_t *addr,
+ u_char *name);
void ngx_shmtx_destory(ngx_shmtx_t *mtx);
ngx_uint_t ngx_shmtx_trylock(ngx_shmtx_t *mtx);
void ngx_shmtx_lock(ngx_shmtx_t *mtx);
void ngx_shmtx_unlock(ngx_shmtx_t *mtx);
+ngx_uint_t ngx_shmtx_force_unlock(ngx_shmtx_t *mtx, ngx_pid_t pid);
#endif /* _NGX_SHMTX_H_INCLUDED_ */