src/os/unix/ngx_alloc.h

   1
   2 /*
   3  * Copyright (C) Igor Sysoev
   4  */
   5
   6
   7 #ifndef _NGX_ALLOC_H_INCLUDED_
   8 #define _NGX_ALLOC_H_INCLUDED_
   9
  10
  11 #include <ngx_config.h>
  12 #include <ngx_core.h>
  13
  14
  15 void *ngx_alloc(size_t size, ngx_log_t *log);
  16 void *ngx_calloc(size_t size, ngx_log_t *log);
  17
  18 #define ngx_free          free
  19
  20
  21 /*
  22  * Linux has memalign() or posix_memalign()
  23  * Solaris has memalign()
  24  * FreeBSD has not memalign() or posix_memalign() but its malloc() alignes
  25  * allocations bigger than page size at the page boundary.
  26  */
  27
  28 #if (NGX_HAVE_POSIX_MEMALIGN || NGX_HAVE_MEMALIGN)
  29
  30 void *ngx_memalign(size_t alignment, size_t size, ngx_log_t *log);
  31
  32 #else
  33
  34 #define ngx_memalign(alignment, size, log)  ngx_alloc(size, log)
  35
  36 #endif
  37
  38
  39 extern int ngx_pagesize;
  40
  41
  42 #endif /* _NGX_ALLOC_H_INCLUDED_ */