Mercurial > hg > nginx-vendor-0-5
diff src/os/unix/ngx_alloc.c @ 0:f0b350454894 NGINX_0_1_0
nginx 0.1.0
*) The first public version.
author | Igor Sysoev <http://sysoev.ru> |
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date | Mon, 04 Oct 2004 00:00:00 +0400 |
parents | |
children | 46833bd150cb |
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new file mode 100644 --- /dev/null +++ b/src/os/unix/ngx_alloc.c @@ -0,0 +1,80 @@ + +/* + * Copyright (C) Igor Sysoev + */ + + +#include <ngx_config.h> +#include <ngx_core.h> + + +int ngx_pagesize; + + +void *ngx_alloc(size_t size, ngx_log_t *log) +{ + void *p; + + if (!(p = malloc(size))) { + ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, + "malloc() " SIZE_T_FMT " bytes failed", size); + } + + ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0, + "malloc: " PTR_FMT ":" SIZE_T_FMT, 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 (HAVE_POSIX_MEMALIGN) + +void *ngx_memalign(size_t alignment, size_t size, ngx_log_t *log) +{ + void *p; + + if (posix_memalign(&p, alignment, size) == -1) { + ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, + "posix_memalign() " SIZE_T_FMT " bytes aligned to " + SIZE_T_FMT " failed", size, alignment); + } + + ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0, + "posix_memalign: " PTR_FMT ":" SIZE_T_FMT, p, size); + + return p; +} + +#elif (HAVE_MEMALIGN) + +void *ngx_memalign(size_t alignment, size_t size, ngx_log_t *log) +{ + void *p; + + if (!(p = memalign(alignment, size))) { + ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, + "memalign() " SIZE_T_FMT " bytes aligned to " + SIZE_T_FMT " failed", size, alignment); + } + + ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0, + "memalign: " PTR_FMT ":" SIZE_T_FMT, p, size); + + return p; +} + +#endif