git://sourceware.org / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| f850220b AJ |
1 | /* Copyright (C) 2005 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. | |
| 3 | ||
| 4 | The GNU C Library is free software; you can redistribute it and/or | |
| 5 | modify it under the terms of the GNU Lesser General Public | |
| 6 | License as published by the Free Software Foundation; either | |
| 7 | version 2.1 of the License, or (at your option) any later version. | |
| 8 | ||
| 9 | The GNU C Library is distributed in the hope that it will be useful, | |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 12 | Lesser General Public License for more details. | |
| 13 | ||
| 14 | You should have received a copy of the GNU Lesser General Public | |
| 15 | License along with the GNU C Library; if not, write to the Free | |
| 16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
| 17 | 02111-1307 USA. */ | |
| 18 | ||
| 19 | #include <sys/asm.h> | |
| 20 | #include <sysdep.h> | |
| 21 | #define _ERRNO_H 1 | |
| 22 | #include <bits/errno.h> | |
| 23 | #include <sgidefs.h> | |
| 24 | ||
| 25 | ENTRY (pthread_spin_trylock) | |
| 26 | .set push | |
| 27 | #if _MIPS_SIM == _ABIO32 | |
| 28 | .set mips2 | |
| 29 | #endif | |
| 30 | ll a2, 0(a0) | |
| 31 | li a1, 1 | |
| 32 | bnez a2, 1f | |
| 33 | sc a1, 0(a0) | |
| 34 | beqz a1, 1f | |
| 35 | MIPS_SYNC | |
| 36 | .set pop | |
| 37 | li v0, 0 | |
| 38 | ret | |
| 39 | 1: li v0, EBUSY | |
| 40 | ret | |
| 41 | PSEUDO_END (pthread_spin_trylock) |