diff options
| author | Roland McGrath <roland@gnu.org> | 2007-05-15 20:34:30 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2007-05-15 20:34:30 +0000 |
| commit | 18b86433d08e3df2a2820ede370d52bbda55eb74 (patch) | |
| tree | 59347eb227c205dbf728f7177212f81a9ca48467 /nptl/sysdeps/unix | |
| parent | e169ea9b569d9e9a60bde4aebe960591bacaf4ef (diff) | |
Updated to fedora-glibc-20070515T2025
Diffstat (limited to 'nptl/sysdeps/unix')
4 files changed, 23 insertions, 33 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/pthread_setaffinity.c b/nptl/sysdeps/unix/sysv/linux/pthread_setaffinity.c index 3776e26e4b..fa0f46feec 100644 --- a/nptl/sysdeps/unix/sysv/linux/pthread_setaffinity.c +++ b/nptl/sysdeps/unix/sysv/linux/pthread_setaffinity.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2003, 2004, 2006, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. @@ -79,6 +79,12 @@ __pthread_setaffinity_new (pthread_t th, size_t cpusetsize, res = INTERNAL_SYSCALL (sched_setaffinity, err, 3, pd->tid, cpusetsize, cpuset); + +#ifdef RESET_VGETCPU_CACHE + if (!INTERNAL_SYSCALL_ERROR_P (res, err)) + RESET_VGETCPU_CACHE (); +#endif + return (INTERNAL_SYSCALL_ERROR_P (res, err) ? INTERNAL_SYSCALL_ERRNO (res, err) : 0); diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_setaffinity.c b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_setaffinity.c new file mode 100644 index 0000000000..640d3044fd --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_setaffinity.c @@ -0,0 +1,14 @@ +#include <tls.h> + +#define RESET_VGETCPU_CACHE() \ + do { \ + asm volatile ("movl %0, %%fs:%P1\n\t" \ + "movl %0, %%fs:%P2" \ + : \ + : "ir" (0), "i" (offsetof (struct pthread, \ + header.vgetcpu_cache[0])), \ + "i" (offsetof (struct pthread, \ + header.vgetcpu_cache[1]))); \ + } while (0) + +#include "../pthread_setaffinity.c" diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S index c44d3f5e77..76a566b988 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2005, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -40,12 +40,6 @@ .align 16 cfi_startproc sem_timedwait: - /* First check for cancellation. */ - movl %fs:CANCELHANDLING, %eax - andl $0xfffffff9, %eax - cmpl $8, %eax - je 11f - movl (%rdi), %eax 2: testl %eax, %eax je 1f @@ -160,16 +154,5 @@ sem_timedwait: orl $-1, %eax jmp 10b - cfi_adjust_cfa_offset(-48) - cfi_restore(14) - cfi_restore(13) - cfi_restore(12) - -11: /* Canceled. */ - movq $0xffffffffffffffff, %fs:RESULT - LOCK - orl $0x10, %fs:CANCELHANDLING - movq %fs:CLEANUP_JMP_BUF, %rdi - jmp HIDDEN_JUMPTARGET (__pthread_unwind) cfi_endproc .size sem_timedwait,.-sem_timedwait diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S index 63ecd063ab..5bd78eb944 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2005, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -37,12 +37,6 @@ .align 16 cfi_startproc sem_wait: - /* First check for cancellation. */ - movl %fs:CANCELHANDLING, %eax - andl $0xfffffff9, %eax - cmpl $8, %eax - je 4f - pushq %r12 cfi_adjust_cfa_offset(8) cfi_offset(12, -16) @@ -109,12 +103,5 @@ sem_wait: cfi_restore(12) retq - -4: /* Canceled. */ - movq $0xffffffffffffffff, %fs:RESULT - LOCK - orl $0x10, %fs:CANCELHANDLING - movq %fs:CLEANUP_JMP_BUF, %rdi - jmp HIDDEN_JUMPTARGET (__pthread_unwind) cfi_endproc .size sem_wait,.-sem_wait |