diff options
| -rw-r--r-- | Zend/zend_stream.c | 26 | ||||
| -rw-r--r-- | main/main.c | 33 |
2 files changed, 46 insertions, 13 deletions
diff --git a/Zend/zend_stream.c b/Zend/zend_stream.c index 88ef53bdb0..88d0817380 100644 --- a/Zend/zend_stream.c +++ b/Zend/zend_stream.c @@ -27,10 +27,24 @@ #include <sys/types.h> #include <sys/stat.h> -#if HAVE_SYS_MMAN_H -# include <sys/mman.h> -# ifndef PAGE_SIZE -# define PAGE_SIZE 4096 +#if HAVE_MMAP +# if HAVE_UNISTD_H +# include <unistd.h> +# if defined(_SC_PAGESIZE) +# define REAL_PAGE_SIZE sysconf(_SC_PAGESIZE); +# elif defined(_SC_PAGE_SIZE) +# define REAL_PAGE_SIZE sysconf(_SC_PAGE_SIZE); +# endif +# endif +# if HAVE_SYS_MMAN_H +# include <sys/mman.h> +# endif +# ifndef REAL_PAGE_SIZE +# ifdef PAGE_SIZE +# define REAL_PAGE_SIZE PAGE_SIZE +# else +# define REAL_PAGE_SIZE 4096 +# endif # endif #endif @@ -215,9 +229,11 @@ ZEND_API int zend_stream_fixup(zend_file_handle *file_handle, char **buf, size_t if (old_type == ZEND_HANDLE_FP && !file_handle->handle.stream.isatty && size) { #if HAVE_MMAP + size_t page_size = REAL_PAGE_SIZE; + if (file_handle->handle.fp && size != 0 && - ((size - 1) % PAGE_SIZE) <= PAGE_SIZE - ZEND_MMAP_AHEAD) { + ((size - 1) % page_size) <= page_size - ZEND_MMAP_AHEAD) { /* *buf[size] is zeroed automatically by the kernel */ *buf = mmap(0, size + ZEND_MMAP_AHEAD, PROT_READ, MAP_PRIVATE, fileno(file_handle->handle.fp), 0); if (*buf != MAP_FAILED) { diff --git a/main/main.c b/main/main.c index 7ee8e69057..67d2ff1b1e 100644 --- a/main/main.c +++ b/main/main.c @@ -93,14 +93,25 @@ #include "SAPI.h" #include "rfc1867.h" -#if HAVE_SYS_MMAN_H -# include <sys/mman.h> -# ifndef PAGE_SIZE -# define PAGE_SIZE 4096 +#if HAVE_MMAP +# if HAVE_UNISTD_H +# include <unistd.h> +# if defined(_SC_PAGESIZE) +# define REAL_PAGE_SIZE sysconf(_SC_PAGESIZE); +# elif defined(_SC_PAGE_SIZE) +# define REAL_PAGE_SIZE sysconf(_SC_PAGE_SIZE); +# endif +# endif +# if HAVE_SYS_MMAN_H +# include <sys/mman.h> +# endif +# ifndef REAL_PAGE_SIZE +# ifdef PAGE_SIZE +# define REAL_PAGE_SIZE PAGE_SIZE +# else +# define REAL_PAGE_SIZE 4096 +# endif # endif -#endif -#ifdef PHP_WIN32 -# define PAGE_SIZE 4096 #endif /* }}} */ @@ -1234,6 +1245,10 @@ PHPAPI int php_stream_open_for_zend_ex(const char *filename, zend_file_handle *h php_stream *stream = php_stream_open_wrapper((char *)filename, "rb", mode, &handle->opened_path); if (stream) { +#if HAVE_MMAP + size_t page_size = REAL_PAGE_SIZE; +#endif + handle->filename = (char*)filename; handle->free_filename = 0; handle->handle.stream.handle = stream; @@ -1244,7 +1259,9 @@ PHPAPI int php_stream_open_for_zend_ex(const char *filename, zend_file_handle *h memset(&handle->handle.stream.mmap, 0, sizeof(handle->handle.stream.mmap)); len = php_zend_stream_fsizer(stream TSRMLS_CC); if (len != 0 - && ((len - 1) % PAGE_SIZE) <= PAGE_SIZE - ZEND_MMAP_AHEAD +#if HAVE_MMAP + && ((len - 1) % page_size) <= page_size - ZEND_MMAP_AHEAD +#endif && php_stream_mmap_possible(stream) && (p = php_stream_mmap_range(stream, 0, len, PHP_STREAM_MAP_MODE_SHARED_READONLY, &mapped_len)) != NULL) { handle->handle.stream.closer = php_zend_stream_mmap_closer; |