Changeset 3780:d463fa7a8ba9 in roaraudio for libroaross

Timestamp:

05/07/10 12:43:34 (14 years ago)

Author:

phi

Branch:

default

Phase:

public

Message:

added some very basic support for fcntl()

File:

• libroaross/libroaross.c (modified) (4 diffs)

libroaross/libroaross.c

@@ -119 +119 @@
  struct session * session;
  int type;
+ int sysio_flags;
  struct roar_stream    stream;
  struct roar_vio_calls stream_vio;
@@ -538 +539 @@
  }
 
- handle->type       = ptr->type;
- handle->stream_dir = -1;
+ handle->type        = ptr->type;
+ handle->sysio_flags = flags;
+ handle->stream_dir  = -1;
 
  switch (flags & (O_RDONLY|O_WRONLY|O_RDWR)) {
@@ -1531 +1533 @@
  long argl = -1;
  void * vp = NULL;
+ int ret   = -1;
+ int diff;
 
  _init();
@@ -1605 +1609 @@
  }
 
- errno = ENOSYS;
- return -1;
+ switch (cmd) {
+  case F_DUPFD:
+    ret = _os.fcntl(fd, F_DUPFD, argl);
+
+    if ( ret != -1 ) {
+     if ( _attach_pointer(pointer->handle, ret) == NULL ) {
+      _os.close(ret);
+      ret = -1;
+     }
+    }
+   break;
+  case F_SETFD:
+    if ( argl == 0 ) {
+     ret = 0;
+    } else {
+     errno = ENOSYS;
+     ret = -1;
+    }
+   break;
+  case F_GETFD:
+    ret = 0;
+   break;
+  case F_GETFL:
+    ret = pointer->handle->sysio_flags;
+   break;
+  case F_SETFL:
+    diff  = (int)argl ^ pointer->handle->sysio_flags;
+    diff &= (int)~(int)(O_DIRECT|O_APPEND|O_LARGEFILE|O_NOATIME|O_NOCTTY|O_TRUNC);
+    if ( diff == 0 ) { // only flags changed we ignore anyway.
+     pointer->handle->sysio_flags = (int)argl;
+     ret = 0;
+    } else {
+     errno = EINVAL;
+     ret = -1;
+    }
+   break;
+/* TODO: add support for those types:
+  case F_SETFD:
+  case F_SETOWN:
+  case F_SETSIG:
+  case F_SETLEASE:
+  case F_NOTIFY:
+  case F_GETOWN:
+  case F_GETSIG:
+  case F_GETLEASE:
+  case F_GETLK:
+  case F_SETLK:
+  case F_SETLKW:
+*/
+  default:
+    errno = ENOSYS;
+    ret = -1;
+   break;
+ }
+
+ return ret;
 }