diff options
Diffstat (limited to 'nptl/sysdeps/unix')
4 files changed, 49 insertions, 22 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h index b86f11c9b4..fd1ee4569d 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h +++ b/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -66,17 +66,33 @@ #define lll_futex_wait(futex, val) \ - do { \ - int __ignore; \ + ({ \ + int __status; \ register __typeof (val) _val asm ("edx") = (val); \ __asm __volatile (LLL_EBX_LOAD \ LLL_ENTER_KERNEL \ LLL_EBX_LOAD \ - : "=a" (__ignore) \ + : "=a" (__status) \ : "0" (SYS_futex), LLL_EBX_REG (futex), "S" (0), \ "c" (FUTEX_WAIT), "d" (_val), \ "i" (offsetof (tcbhead_t, sysinfo))); \ - } while (0) + __status; \ + }) + + +#define lll_futex_timed_wait(futex, val, timeout) \ + ({ \ + int __status; \ + register __typeof (val) _val asm ("edx") = (val); \ + __asm __volatile (LLL_EBX_LOAD \ + LLL_ENTER_KERNEL \ + LLL_EBX_LOAD \ + : "=a" (__status) \ + : "0" (SYS_futex), LLL_EBX_REG (futex), "S" (timeout), \ + "c" (FUTEX_WAIT), "d" (_val), \ + "i" (offsetof (tcbhead_t, sysinfo))); \ + __status; \ + }) #define lll_futex_wake(futex, nr) \ diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h index 84acf38434..dcbc0d6520 100644 --- a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h +++ b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h @@ -1,5 +1,5 @@ /* Cancellable system call stubs. Linux/PowerPC version. - Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc. + Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Franz Sirl <Franz.Sirl-kernel@lauterbach.com>, 2003. @@ -15,8 +15,8 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA + 02110-1301 USA. */ #include <sysdep.h> #include <tls.h> @@ -30,7 +30,6 @@ # define PSEUDO(name, syscall_name, args) \ .section ".text"; \ ENTRY (name) \ - cfi_startproc; \ SINGLE_THREAD_P; \ bne- .Lpseudo_cancel; \ .type __##syscall_name##_nocancel,@function; \ @@ -62,8 +61,7 @@ CGOTRESTORE; \ mtlr 4; \ mtcr 0; \ - addi 1,1,48; \ - cfi_endproc; + addi 1,1,48; # define DOCARGS_0 # define UNDOCARGS_0 diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h index 226aaafdce..83eb444ece 100644 --- a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h +++ b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h @@ -1,5 +1,5 @@ /* Cancellable system call stubs. Linux/PowerPC64 version. - Copyright (C) 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Franz Sirl <Franz.Sirl-kernel@lauterbach.com>, 2003. @@ -15,8 +15,8 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA + 02110-1301 USA. */ #include <sysdep.h> #include <tls.h> @@ -36,7 +36,6 @@ # define PSEUDO(name, syscall_name, args) \ .section ".text"; \ ENTRY (name) \ - cfi_startproc; \ SINGLE_THREAD_P; \ bne- .Lpseudo_cancel; \ .type DASHDASHPFX(syscall_name##_nocancel),@function; \ @@ -66,8 +65,7 @@ ld 3,64(1); \ mtlr 9; \ mtcr 0; \ - addi 1,1,128; \ - cfi_endproc; + addi 1,1,128; # define DOCARGS_0 # define UNDOCARGS_0 diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h index 40c2518af6..ebcfe6eef1 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -47,16 +47,31 @@ #define lll_futex_wait(futex, val) \ - do { \ - int __ignore; \ + ({ \ + int __status; \ register __typeof (val) _val asm ("edx") = (val); \ __asm __volatile ("xorq %%r10, %%r10\n\t" \ "syscall" \ - : "=a" (__ignore) \ + : "=a" (__status) \ : "0" (SYS_futex), "D" (futex), "S" (FUTEX_WAIT), \ "d" (_val) \ : "memory", "cc", "r10", "r11", "cx"); \ - } while (0) + __status; \ + }) + + +#define lll_futex_timed_wait(futex, val, timeout) \ + ({ \ + register const struct timespec *__to __asm__ ("r10") = timeout; \ + int __status; \ + register __typeof (val) _val asm ("edx") = (val); \ + __asm __volatile ("syscall" \ + : "=a" (__status) \ + : "0" (SYS_futex), "D" (futex), "S" (FUTEX_WAIT), \ + "d" (_val), "r" (__to) \ + : "memory", "cc", "r11", "cx"); \ + __status; \ + }) #define lll_futex_wake(futex, nr) \ |