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- /* Copyright (C) 2005, 2006 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/>. */
- #include <features.h>
- #include <tls.h>
- /* Save the PID value. */
- #define SAVE_PID \
- READ_THREAD_POINTER(v1); /* Get the thread pointer. */ \
- lw a2, PID_OFFSET(v1); /* Load the saved PID. */ \
- subu a2, $0, a2; /* Negate it. */ \
- bnez a2, 1f; /* If it was zero... */ \
- lui a2, 0x8000; /* use 0x80000000 instead. */ \
- 1: sw a2, PID_OFFSET(v1); /* Store the temporary PID. */
- /* Restore the old PID value in the parent. */
- #define RESTORE_PID \
- beqz v0, 1f; /* If we are the parent... */ \
- READ_THREAD_POINTER(v1); /* Get the thread pointer. */ \
- lw a2, PID_OFFSET(v1); /* Load the saved PID. */ \
- subu a2, $0, a2; /* Re-negate it. */ \
- lui a0, 0x8000; /* Load 0x80000000... */ \
- bne a2, a0, 2f; /* ... compare against it... */ \
- li a2, 0; /* ... use 0 instead. */ \
- 2: sw a2, PID_OFFSET(v1); /* Restore the PID. */ \
- 1:
- #include <../../../../../../../libc/sysdeps/linux/mips/vfork.S>
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