lib/libc_r/uthread/uthread_fchflags.c

   1 /*
   2  * David Leonard <d@openbsd.org>, 1999. Public Domain.
   3  *
   4  * $OpenBSD: uthread_fchflags.c,v 1.1 1999/01/08 05:42:18 d Exp $
   5  * $FreeBSD: src/lib/libc_r/uthread/uthread_fchflags.c,v 1.4.2.2 2002/10/22 14:44:03 fjoe Exp $
   6  * $DragonFly: src/lib/libc_r/uthread/uthread_fchflags.c,v 1.2 2003/06/17 06:26:48 dillon Exp $
   7  */
   8
   9 #include <sys/stat.h>
  10 #include <unistd.h>
  11 #include <pthread.h>
  12 #include "pthread_private.h"
  13
  14 int
  15 _fchflags(int fd, u_long flags)
  16 {
  17         int             ret;
  18
  19         if ((ret = _FD_LOCK(fd, FD_WRITE, NULL)) == 0) {
  20                 ret = __sys_fchflags(fd, flags);
  21                 _FD_UNLOCK(fd, FD_WRITE);
  22         }
  23         return (ret);
  24 }
  25
  26 __strong_reference(_fchflags, fchflags);