diff options
Diffstat (limited to 'src/os/unix')
| -rw-r--r-- | src/os/unix/ngx_files.c | 52 | ||||
| -rw-r--r-- | src/os/unix/ngx_files.h | 13 |
2 files changed, 65 insertions, 0 deletions
diff --git a/src/os/unix/ngx_files.c b/src/os/unix/ngx_files.c index 0ef083824..c11795380 100644 --- a/src/os/unix/ngx_files.c +++ b/src/os/unix/ngx_files.c @@ -259,6 +259,58 @@ ngx_set_file_time(u_char *name, ngx_fd_t fd, time_t s) ngx_int_t +ngx_create_file_mapping(ngx_file_mapping_t *fm) +{ + fm->fd = ngx_open_file(fm->name, NGX_FILE_RDWR, NGX_FILE_TRUNCATE, + NGX_FILE_DEFAULT_ACCESS); + if (fm->fd == NGX_INVALID_FILE) { + ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno, + ngx_open_file_n " \"%s\" failed", fm->name); + return NGX_ERROR; + } + + if (ftruncate(fm->fd, fm->size) == -1) { + ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno, + "ftruncate() \"%s\" failed", fm->name); + goto failed; + } + + fm->addr = mmap(NULL, fm->size, PROT_READ|PROT_WRITE, MAP_SHARED, + fm->fd, 0); + if (fm->addr != MAP_FAILED) { + return NGX_OK; + } + + ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno, + "mmap(%uz) \"%s\" failed", fm->size, fm->name); + +failed: + + if (ngx_close_file(fm->fd) == NGX_FILE_ERROR) { + ngx_log_error(NGX_LOG_ALERT, fm->log, ngx_errno, + ngx_close_file_n " \"%s\" failed", fm->name); + } + + return NGX_ERROR; +} + + +void +ngx_close_file_mapping(ngx_file_mapping_t *fm) +{ + if (munmap(fm->addr, fm->size) == -1) { + ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno, + "munmap(%uz) \"%s\" failed", fm->size, fm->name); + } + + if (ngx_close_file(fm->fd) == NGX_FILE_ERROR) { + ngx_log_error(NGX_LOG_ALERT, fm->log, ngx_errno, + ngx_close_file_n " \"%s\" failed", fm->name); + } +} + + +ngx_int_t ngx_open_dir(ngx_str_t *name, ngx_dir_t *dir) { dir->dir = opendir((const char *) name->data); diff --git a/src/os/unix/ngx_files.h b/src/os/unix/ngx_files.h index c40cfe2ea..b7bfff100 100644 --- a/src/os/unix/ngx_files.h +++ b/src/os/unix/ngx_files.h @@ -18,6 +18,15 @@ typedef ino_t ngx_file_uniq_t; typedef struct { + u_char *name; + size_t size; + void *addr; + ngx_fd_t fd; + ngx_log_t *log; +} ngx_file_mapping_t; + + +typedef struct { DIR *dir; struct dirent *de; struct stat info; @@ -152,6 +161,10 @@ ngx_int_t ngx_set_file_time(u_char *name, ngx_fd_t fd, time_t s); #define ngx_file_uniq(sb) (sb)->st_ino +ngx_int_t ngx_create_file_mapping(ngx_file_mapping_t *fm); +void ngx_close_file_mapping(ngx_file_mapping_t *fm); + + #if (NGX_HAVE_CASELESS_FILESYSTEM) #define ngx_filename_cmp(s1, s2, n) strncasecmp((char *) s1, (char *) s2, n) |