31
39
if (file->sys_offset != offset) {
32
40
if (lseek(file->fd, offset, SEEK_SET) == -1) {
33
ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, "lseek() failed");
41
ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno,
42
"lseek() \"%s\" failed", file->name.data);
40
49
n = read(file->fd, buf, size);
43
ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, "read() failed");
52
ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno,
53
"read() \"%s\" failed", file->name.data);
58
68
ngx_write_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset)
62
72
ngx_log_debug4(NGX_LOG_DEBUG_CORE, file->log, 0,
63
73
"write: %d, %p, %uz, %O", file->fd, buf, size, offset);
65
77
#if (NGX_HAVE_PWRITE)
67
n = pwrite(file->fd, buf, size, offset);
70
ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, "pwrite() failed");
74
if ((size_t) n != size) {
75
ngx_log_error(NGX_LOG_CRIT, file->log, 0,
76
"pwrite() has written only %z of %uz", n, size);
80
n = pwrite(file->fd, buf + written, size, offset);
83
ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno,
84
"pwrite() \"%s\" failed", file->name.data);
91
if ((size_t) n == size) {
82
101
if (file->sys_offset != offset) {
83
102
if (lseek(file->fd, offset, SEEK_SET) == -1) {
84
ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, "lseek() failed");
103
ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno,
104
"lseek() \"%s\" failed", file->name.data);
88
108
file->sys_offset = offset;
91
n = write(file->fd, buf, size);
94
ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, "write() failed");
98
if ((size_t) n != size) {
99
ngx_log_error(NGX_LOG_CRIT, file->log, 0,
100
"write() has written only %z of %uz", n, size);
104
file->sys_offset += n;
112
n = write(file->fd, buf + written, size);
115
ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno,
116
"write() \"%s\" failed", file->name.data);
123
if ((size_t) n == size) {
185
206
if (vec.nelts == 1) {
187
return ngx_write_file(file, (u_char *) iov[0].iov_base,
188
iov[0].iov_len, offset);
209
n = ngx_write_file(file, (u_char *) iov[0].iov_base,
210
iov[0].iov_len, offset);
212
if (n == NGX_ERROR) {
191
219
if (file->sys_offset != offset) {
192
220
if (lseek(file->fd, offset, SEEK_SET) == -1) {
193
221
ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno,
222
"lseek() \"%s\" failed", file->name.data);
195
223
return NGX_ERROR;
204
232
ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno,
233
"writev() \"%s\" failed", file->name.data);
206
234
return NGX_ERROR;
209
237
if ((size_t) n != size) {
210
238
ngx_log_error(NGX_LOG_CRIT, file->log, 0,
211
"writev() has written only %z of %uz", n, size);
239
"writev() \"%s\" has written only %z of %uz",
240
file->name.data, n, size);
212
241
return NGX_ERROR;
244
ngx_log_debug2(NGX_LOG_DEBUG_CORE, file->log, 0,
245
"writev: %d, %z", file->fd, n);
215
247
file->sys_offset += n;
216
248
file->offset += n;
277
ngx_create_file_mapping(ngx_file_mapping_t *fm)
279
fm->fd = ngx_open_file(fm->name, NGX_FILE_RDWR, NGX_FILE_TRUNCATE,
280
NGX_FILE_DEFAULT_ACCESS);
281
if (fm->fd == NGX_INVALID_FILE) {
282
ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno,
283
ngx_open_file_n " \"%s\" failed", fm->name);
287
if (ftruncate(fm->fd, fm->size) == -1) {
288
ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno,
289
"ftruncate() \"%s\" failed", fm->name);
293
fm->addr = mmap(NULL, fm->size, PROT_READ|PROT_WRITE, MAP_SHARED,
295
if (fm->addr != MAP_FAILED) {
299
ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno,
300
"mmap(%uz) \"%s\" failed", fm->size, fm->name);
304
if (ngx_close_file(fm->fd) == NGX_FILE_ERROR) {
305
ngx_log_error(NGX_LOG_ALERT, fm->log, ngx_errno,
306
ngx_close_file_n " \"%s\" failed", fm->name);
314
ngx_close_file_mapping(ngx_file_mapping_t *fm)
316
if (munmap(fm->addr, fm->size) == -1) {
317
ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno,
318
"munmap(%uz) \"%s\" failed", fm->size, fm->name);
321
if (ngx_close_file(fm->fd) == NGX_FILE_ERROR) {
322
ngx_log_error(NGX_LOG_ALERT, fm->log, ngx_errno,
323
ngx_close_file_n " \"%s\" failed", fm->name);
243
329
ngx_open_dir(ngx_str_t *name, ngx_dir_t *dir)
245
331
dir->dir = opendir((const char *) name->data);
344
ngx_read_dir(ngx_dir_t *dir)
346
dir->de = readdir(dir->dir);
349
#if (NGX_HAVE_D_TYPE)
350
dir->type = dir->de->d_type;
258
362
ngx_open_glob(ngx_glob_t *gl)
262
n = glob((char *) gl->pattern, GLOB_NOSORT, NULL, &gl->pglob);
366
n = glob((char *) gl->pattern, 0, NULL, &gl->pglob);
268
374
if (n == GLOB_NOMATCH && gl->test) {
272
380
return NGX_ERROR;
466
#if (NGX_HAVE_POSIX_FADVISE) && !(NGX_HAVE_F_READAHEAD)
469
ngx_read_ahead(ngx_fd_t fd, size_t n)
473
err = posix_fadvise(fd, 0, 0, POSIX_FADV_SEQUENTIAL);
480
return NGX_FILE_ERROR;
486
#if (NGX_HAVE_O_DIRECT)
489
ngx_directio_on(ngx_fd_t fd)
493
flags = fcntl(fd, F_GETFL);
496
return NGX_FILE_ERROR;
499
return fcntl(fd, F_SETFL, flags | O_DIRECT);
504
ngx_directio_off(ngx_fd_t fd)
508
flags = fcntl(fd, F_GETFL);
511
return NGX_FILE_ERROR;
514
return fcntl(fd, F_SETFL, flags & ~O_DIRECT);
520
#if (NGX_HAVE_STATFS)
523
ngx_fs_bsize(u_char *name)
527
if (statfs((char *) name, &fs) == -1) {
531
if ((fs.f_bsize % 512) != 0) {
535
return (size_t) fs.f_bsize;
538
#elif (NGX_HAVE_STATVFS)
541
ngx_fs_bsize(u_char *name)
545
if (statvfs((char *) name, &fs) == -1) {
549
if ((fs.f_frsize % 512) != 0) {
553
return (size_t) fs.f_frsize;
559
ngx_fs_bsize(u_char *name)