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path: root/src/os/unix/ngx_files.c
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Diffstat (limited to 'src/os/unix/ngx_files.c')
-rw-r--r--src/os/unix/ngx_files.c83
1 files changed, 47 insertions, 36 deletions
diff --git a/src/os/unix/ngx_files.c b/src/os/unix/ngx_files.c
index 98ed08229..618d4e214 100644
--- a/src/os/unix/ngx_files.c
+++ b/src/os/unix/ngx_files.c
@@ -22,7 +22,7 @@ ngx_read_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset)
if (n == -1) {
ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno,
- "pread() failed, file \"%s\"", file->name.data);
+ "pread() \"%s\" failed", file->name.data);
return NGX_ERROR;
}
@@ -30,7 +30,8 @@ ngx_read_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset)
if (file->sys_offset != offset) {
if (lseek(file->fd, offset, SEEK_SET) == -1) {
- ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, "lseek() failed");
+ ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno,
+ "lseek() \"%s\" failed", file->name.data);
return NGX_ERROR;
}
@@ -40,7 +41,8 @@ ngx_read_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset)
n = read(file->fd, buf, size);
if (n == -1) {
- ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, "read() failed");
+ ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno,
+ "read() \"%s\" failed", file->name.data);
return NGX_ERROR;
}
@@ -57,57 +59,66 @@ ngx_read_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset)
ssize_t
ngx_write_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset)
{
- ssize_t n;
+ ssize_t n, written;
ngx_log_debug4(NGX_LOG_DEBUG_CORE, file->log, 0,
"write: %d, %p, %uz, %O", file->fd, buf, size, offset);
+ written = 0;
+
#if (NGX_HAVE_PWRITE)
- n = pwrite(file->fd, buf, size, offset);
+ for ( ;; ) {
+ n = pwrite(file->fd, buf, size, offset);
- if (n == -1) {
- ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, "pwrite() failed");
- return NGX_ERROR;
- }
+ if (n == -1) {
+ ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno,
+ "pwrite() \"%s\" failed", file->name.data);
+ return NGX_ERROR;
+ }
- if ((size_t) n != size) {
- ngx_log_error(NGX_LOG_CRIT, file->log, 0,
- "pwrite() has written only %z of %uz", n, size);
- return NGX_ERROR;
+ file->offset += n;
+ written += n;
+
+ if ((size_t) n == size) {
+ return written;
+ }
+
+ offset += n;
+ size -= n;
}
#else
if (file->sys_offset != offset) {
if (lseek(file->fd, offset, SEEK_SET) == -1) {
- ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, "lseek() failed");
+ ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno,
+ "lseek() \"%s\" failed", file->name.data);
return NGX_ERROR;
}
file->sys_offset = offset;
}
- n = write(file->fd, buf, size);
+ for ( ;; ) {
+ n = write(file->fd, buf, size);
- if (n == -1) {
- ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno, "write() failed");
- return NGX_ERROR;
- }
+ if (n == -1) {
+ ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno,
+ "write() \"%s\" failed", file->name.data);
+ return NGX_ERROR;
+ }
- if ((size_t) n != size) {
- ngx_log_error(NGX_LOG_CRIT, file->log, 0,
- "write() has written only %z of %uz", n, size);
- return NGX_ERROR;
- }
+ file->offset += n;
+ written += n;
- file->sys_offset += n;
+ if ((size_t) n == size) {
+ return written;
+ }
+ size -= n;
+ }
#endif
-
- file->offset += n;
-
- return n;
}
@@ -191,7 +202,7 @@ ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *cl, off_t offset,
if (file->sys_offset != offset) {
if (lseek(file->fd, offset, SEEK_SET) == -1) {
ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno,
- "lseek() failed");
+ "lseek() \"%s\" failed", file->name.data);
return NGX_ERROR;
}
@@ -202,13 +213,14 @@ ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *cl, off_t offset,
if (n == -1) {
ngx_log_error(NGX_LOG_CRIT, file->log, ngx_errno,
- "writev() failed");
+ "writev() \"%s\" failed", file->name.data);
return NGX_ERROR;
}
if ((size_t) n != size) {
ngx_log_error(NGX_LOG_CRIT, file->log, 0,
- "writev() has written only %z of %uz", n, size);
+ "writev() \"%s\" has written only %z of %uz",
+ file->name.data, n, size);
return NGX_ERROR;
}
@@ -262,9 +274,8 @@ ngx_read_dir(ngx_dir_t *dir)
if (dir->de) {
#if (NGX_HAVE_D_TYPE)
dir->type = dir->de->d_type;
- dir->valid_type = dir->type ? 1 : 0;
#else
- dir->valid_type = 0;
+ dir->type = 0;
#endif
return NGX_OK;
}
@@ -394,7 +405,7 @@ ngx_directio_on(ngx_fd_t fd)
flags = fcntl(fd, F_GETFL);
if (flags == -1) {
- return -1;
+ return NGX_FILE_ERROR;
}
return fcntl(fd, F_SETFL, flags | O_DIRECT);
@@ -409,7 +420,7 @@ ngx_directio_off(ngx_fd_t fd)
flags = fcntl(fd, F_GETFL);
if (flags == -1) {
- return -1;
+ return NGX_FILE_ERROR;
}
return fcntl(fd, F_SETFL, flags & ~O_DIRECT);