Initial commit

src/os/unix/ngx_alloc.c

@@ -0,0 +1,90 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) Nginx, Inc.
+ */
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+
+
+ngx_uint_t  ngx_pagesize;
+ngx_uint_t  ngx_pagesize_shift;
+ngx_uint_t  ngx_cacheline_size;
+
+
+void *
+ngx_alloc(size_t size, ngx_log_t *log)
+{
+    void  *p;
+
+    p = malloc(size);
+    if (p == NULL) {
+        ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
+                      "malloc(%uz) failed", size);
+    }
+
+    ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0, "malloc: %p:%uz", p, size);
+
+    return p;
+}
+
+
+void *
+ngx_calloc(size_t size, ngx_log_t *log)
+{
+    void  *p;
+
+    p = ngx_alloc(size, log);
+
+    if (p) {
+        ngx_memzero(p, size);
+    }
+
+    return p;
+}
+
+
+#if (NGX_HAVE_POSIX_MEMALIGN)
+
+void *
+ngx_memalign(size_t alignment, size_t size, ngx_log_t *log)
+{
+    void  *p;
+    int    err;
+
+    err = posix_memalign(&p, alignment, size);
+
+    if (err) {
+        ngx_log_error(NGX_LOG_EMERG, log, err,
+                      "posix_memalign(%uz, %uz) failed", alignment, size);
+        p = NULL;
+    }
+
+    ngx_log_debug3(NGX_LOG_DEBUG_ALLOC, log, 0,
+                   "posix_memalign: %p:%uz @%uz", p, size, alignment);
+
+    return p;
+}
+
+#elif (NGX_HAVE_MEMALIGN)
+
+void *
+ngx_memalign(size_t alignment, size_t size, ngx_log_t *log)
+{
+    void  *p;
+
+    p = memalign(alignment, size);
+    if (p == NULL) {
+        ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
+                      "memalign(%uz, %uz) failed", alignment, size);
+    }
+
+    ngx_log_debug3(NGX_LOG_DEBUG_ALLOC, log, 0,
+                   "memalign: %p:%uz @%uz", p, size, alignment);
+
+    return p;
+}
+
+#endif