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5a8075b116
private futexes are available. * allocatestack.c (allocate_stack): Copy private_futex field from current thread into the new stack. * sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S: Use private futexes if they are available. * sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S: Likewise * sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: Adjust so that change in libc-lowlevellock.S allow using private futexes. * sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Likewise. * sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Define FUTEX_PRIVATE_FLAG. * sysdeps/unix/sysv/linux/i386/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/x86_64/pthread_once.S: Use private futexes if they are available. * sysdeps/unix/sysv/linux/i386/pthread_once.S: Likewise. * sysdeps/x86_64/tcb-offsets.sym: Add PRIVATE_FUTEX. * sysdeps/i386/tcb-offsets.sym: Likewise. * sysdeps/x86_64/tls.h (tcbhead_t): Add private_futex field. * sysdeps/i386/tls.h (tcbhead_t): Likewise.
18 lines
686 B
Plaintext
18 lines
686 B
Plaintext
#include <sysdep.h>
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#include <tls.h>
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RESULT offsetof (struct pthread, result)
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TID offsetof (struct pthread, tid)
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PID offsetof (struct pthread, pid)
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CANCELHANDLING offsetof (struct pthread, cancelhandling)
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CLEANUP_JMP_BUF offsetof (struct pthread, cleanup_jmp_buf)
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MULTIPLE_THREADS_OFFSET offsetof (tcbhead_t, multiple_threads)
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SYSINFO_OFFSET offsetof (tcbhead_t, sysinfo)
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CLEANUP offsetof (struct pthread, cleanup)
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CLEANUP_PREV offsetof (struct _pthread_cleanup_buffer, __prev)
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MUTEX_FUTEX offsetof (pthread_mutex_t, __data.__lock)
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POINTER_GUARD offsetof (tcbhead_t, pointer_guard)
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#ifndef __ASSUME_PRIVATE_FUTEX
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PRIVATE_FUTEX offsetof (tcbhead_t, private_futex)
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#endif
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