librt/rt_stubs.c

   1 /*
   2  * system call not available stub
   3  * based on libc's stubs.c
   4  *
   5  * Copyright (C) 2009 Analog Devices Inc.
   6  *
   7  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
   8  */
   9
  10 #include <errno.h>
  11 #include <sys/syscall.h>
  12
  13 #ifdef __UCLIBC_HAS_STUBS__
  14
  15 static int rt_enosys_stub(void) __attribute_used__;
  16 static int rt_enosys_stub(void)
  17 {
  18         __set_errno(ENOSYS);
  19         return -1;
  20 }
  21
  22 #define make_stub(stub) \
  23         link_warning(stub, #stub ": this function is not implemented") \
  24         strong_alias(rt_enosys_stub, stub)
  25
  26 #ifndef __NR_mq_timedreceive
  27 make_stub(mq_receive)
  28 # ifdef __UCLIBC_HAS_ADVANCED_REALTIME__
  29 make_stub(mq_timedreceive)
  30 # endif
  31 #endif
  32
  33 #ifndef __NR_mq_timedsend
  34 make_stub(mq_send)
  35 # ifdef __UCLIBC_HAS_ADVANCED_REALTIME__
  36 make_stub(mq_timedsend)
  37 # endif
  38 #endif
  39
  40 #endif