diff options
Diffstat (limited to 'sysdeps/nacl/tls.h')
-rw-r--r-- | sysdeps/nacl/tls.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sysdeps/nacl/tls.h b/sysdeps/nacl/tls.h new file mode 100644 index 0000000000..ccf4e83b43 --- /dev/null +++ b/sysdeps/nacl/tls.h @@ -0,0 +1,41 @@ +/* Definition for thread-local data handling. NaCl version. + Copyright (C) 2015 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _NACL_TLS_H +#define _NACL_TLS_H 1 + +#ifndef __ASSEMBLER__ + +# include <nacl-interfaces.h> + +/* Code to initially initialize the thread pointer. This might need + special attention since 'errno' is not yet available and if the + operation can cause a failure 'errno' must not be touched. */ +# define TLS_INIT_TP(tcbp) \ + ((*__nacl_irt_tls.tls_init) (tcbp) == 0 ? NULL : "tls_init call failed") + +/* Our use of dl_sysinfo is rather different from the Linux syscall + entry-point case. We never need a thread-local copy of the value. */ +# undef SETUP_THREAD_SYSINFO +# undef CHECK_THREAD_SYSINFO +# define SETUP_THREAD_SYSINFO(pd) ((void) (pd)) +# define CHECK_THREAD_SYSINFO(pd) ((void) (pd)) + +#endif /* __ASSEMBLER__ */ + +#endif /* tls.h */ |