Merge commit '73a44fd641e793a360bd1fbd6ef24457cea97697'
Conflicts: glibc.spec
This commit is contained in:
commit
be95b8a4be
226
glibc-rh552960.patch
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226
glibc-rh552960.patch
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diff -rup a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S
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--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S 2011-12-15 10:45:09.759232551 -0700
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+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S 2011-12-15 15:11:57.534479377 -0700
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@@ -137,6 +137,7 @@ __pthread_cond_wait:
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cmpl $PI_BIT, %eax
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jne 18f
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+90:
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movl $(FUTEX_WAIT_REQUEUE_PI|FUTEX_PRIVATE_FLAG), %ecx
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movl %ebp, %edx
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xorl %esi, %esi
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@@ -150,6 +151,9 @@ __pthread_cond_wait:
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sete 16(%esp)
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je 19f
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+ cmpl $-EAGAIN, %eax
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+ je 91f
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+
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/* Normal and PI futexes dont mix. Use normal futex functions only
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if the kernel does not support the PI futex functions. */
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cmpl $-ENOSYS, %eax
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@@ -394,6 +398,78 @@ __pthread_cond_wait:
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#endif
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call __lll_unlock_wake
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jmp 11b
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+
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+91:
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+.LcleanupSTART2:
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+ /* FUTEX_WAIT_REQUEUE_PI returned EAGAIN. We need to
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+ call it again. */
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+
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+ /* Get internal lock. */
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+ movl $1, %edx
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+ xorl %eax, %eax
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+ LOCK
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+#if cond_lock == 0
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+ cmpxchgl %edx, (%ebx)
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+#else
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+ cmpxchgl %edx, cond_lock(%ebx)
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+#endif
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+ jz 92f
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+
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+#if cond_lock == 0
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+ movl %ebx, %edx
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+#else
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+ leal cond_lock(%ebx), %edx
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+#endif
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+#if (LLL_SHARED-LLL_PRIVATE) > 255
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+ xorl %ecx, %ecx
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+#endif
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+ cmpl $-1, dep_mutex(%ebx)
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+ setne %cl
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+ subl $1, %ecx
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+ andl $(LLL_SHARED-LLL_PRIVATE), %ecx
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+#if LLL_PRIVATE != 0
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+ addl $LLL_PRIVATE, %ecx
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+#endif
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+ call __lll_lock_wait
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+
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+92:
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+ /* Increment the cond_futex value again, so it can be used as a new
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+ expected value. */
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+ addl $1, cond_futex(%ebx)
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+ movl cond_futex(%ebx), %ebp
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+
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+ /* Unlock. */
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+ LOCK
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+#if cond_lock == 0
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+ subl $1, (%ebx)
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+#else
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+ subl $1, cond_lock(%ebx)
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+#endif
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+ je 93f
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+#if cond_lock == 0
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+ movl %ebx, %eax
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+#else
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+ leal cond_lock(%ebx), %eax
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+#endif
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+#if (LLL_SHARED-LLL_PRIVATE) > 255
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+ xorl %ecx, %ecx
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+#endif
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+ cmpl $-1, dep_mutex(%ebx)
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+ setne %cl
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+ subl $1, %ecx
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+ andl $(LLL_SHARED-LLL_PRIVATE), %ecx
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+#if LLL_PRIVATE != 0
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+ addl $LLL_PRIVATE, %ecx
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+#endif
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+ call __lll_unlock_wake
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+
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+93:
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+ /* Set the rest of SYS_futex args for FUTEX_WAIT_REQUEUE_PI. */
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+ xorl %ecx, %ecx
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+ movl dep_mutex(%ebx), %edi
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+ jmp 90b
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+.LcleanupEND2:
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+
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.size __pthread_cond_wait, .-__pthread_cond_wait
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versioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait,
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GLIBC_2_3_2)
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@@ -566,6 +642,10 @@ __condvar_w_cleanup:
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.long .LcleanupEND-.Lsub_cond_futex
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.long __condvar_w_cleanup-.LSTARTCODE
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.uleb128 0
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+ .long .LcleanupSTART2-.LSTARTCODE
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+ .long .LcleanupEND2-.LcleanupSTART2
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+ .long __condvar_w_cleanup-.LSTARTCODE
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+ .uleb128 0
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.long .LcallUR-.LSTARTCODE
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.long .LENDCODE-.LcallUR
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.long 0
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diff -rup a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
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--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S 2011-12-15 10:45:09.764232551 -0700
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+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S 2011-12-15 15:12:49.287474417 -0700
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@@ -23,6 +23,7 @@
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#include <lowlevelcond.h>
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#include <tcb-offsets.h>
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#include <pthread-pi-defines.h>
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+#include <pthread-errnos.h>
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#include <stap-probe.h>
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#include <kernel-features.h>
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@@ -136,11 +137,14 @@ __pthread_cond_wait:
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cmpl $PI_BIT, %eax
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jne 61f
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+90:
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movl $(FUTEX_WAIT_REQUEUE_PI|FUTEX_PRIVATE_FLAG), %esi
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movl $SYS_futex, %eax
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syscall
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movl $1, %r8d
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+ cmpq $-EAGAIN, %rax
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+ je 91f
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#ifdef __ASSUME_REQUEUE_PI
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jmp 62f
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#else
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@@ -327,6 +331,70 @@ __pthread_cond_wait:
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13: movq %r10, %rax
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jmp 14b
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+
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+91:
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+.LcleanupSTART2:
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+ /* FUTEX_WAIT_REQUEUE_PI returned EAGAIN. We need to
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+ call it again. */
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+ movq 8(%rsp), %rdi
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+
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+ /* Get internal lock. */
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+ movl $1, %esi
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+ xorl %eax, %eax
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+ LOCK
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+#if cond_lock == 0
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+ cmpxchgl %esi, (%rdi)
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+#else
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+ cmpxchgl %esi, cond_lock(%rdi)
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+#endif
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+ jz 92f
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+
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+#if cond_lock != 0
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+ addq $cond_lock, %rdi
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+#endif
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+ cmpq $-1, dep_mutex-cond_lock(%rdi)
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+ movl $LLL_PRIVATE, %eax
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+ movl $LLL_SHARED, %esi
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+ cmovne %eax, %esi
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+ callq __lll_lock_wait
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+#if cond_lock != 0
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+ subq $cond_lock, %rdi
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+#endif
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+92:
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+ /* Increment the cond_futex value again, so it can be used as a new
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+ expected value. */
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+ incl cond_futex(%rdi)
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+ movl cond_futex(%rdi), %edx
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+
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+ /* Release internal lock. */
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+ LOCK
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+#if cond_lock == 0
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+ decl (%rdi)
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+#else
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+ decl cond_lock(%rdi)
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+#endif
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+ jz 93f
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+
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+#if cond_lock != 0
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+ addq $cond_lock, %rdi
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+#endif
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+ cmpq $-1, dep_mutex-cond_lock(%rdi)
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+ movl $LLL_PRIVATE, %eax
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+ movl $LLL_SHARED, %esi
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+ cmovne %eax, %esi
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+ /* The call preserves %rdx. */
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+ callq __lll_unlock_wake
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+#if cond_lock != 0
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+ subq $cond_lock, %rdi
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+#endif
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+93:
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+ /* Set the rest of SYS_futex args for FUTEX_WAIT_REQUEUE_PI. */
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+ xorq %r10, %r10
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+ movq dep_mutex(%rdi), %r8
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+ leaq cond_futex(%rdi), %rdi
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+ jmp 90b
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+.LcleanupEND2:
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+
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.size __pthread_cond_wait, .-__pthread_cond_wait
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versioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait,
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GLIBC_2_3_2)
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@@ -479,11 +547,15 @@ __condvar_cleanup1:
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.uleb128 .LcleanupSTART-.LSTARTCODE
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.uleb128 .LcleanupEND-.LcleanupSTART
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.uleb128 __condvar_cleanup1-.LSTARTCODE
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- .uleb128 0
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+ .uleb128 0
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+ .uleb128 .LcleanupSTART2-.LSTARTCODE
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+ .uleb128 .LcleanupEND2-.LcleanupSTART2
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+ .uleb128 __condvar_cleanup1-.LSTARTCODE
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+ .uleb128 0
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.uleb128 .LcallUR-.LSTARTCODE
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.uleb128 .LENDCODE-.LcallUR
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.uleb128 0
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- .uleb128 0
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+ .uleb128 0
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.Lcstend:
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14
glibc-rh767746.patch
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14
glibc-rh767746.patch
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@ -0,0 +1,14 @@
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--- a/nptl/pthread_create.c 2011-12-13 11:41:37.000000000 -0700
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+++ b/nptl/pthread_create.c 2011-12-14 10:03:13.000000000 -0700
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@@ -440,8 +440,9 @@
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int err = ALLOCATE_STACK (iattr, &pd);
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if (__builtin_expect (err != 0, 0))
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/* Something went wrong. Maybe a parameter of the attributes is
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- invalid or we could not allocate memory. */
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- return err;
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+ invalid or we could not allocate memory. Note we have to
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+ translate error codes. */
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+ return err == ENOMEM ? EAGAIN : err;
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/* Initialize the TCB. All initializations with zero should be
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11
glibc.spec
11
glibc.spec
@ -28,7 +28,7 @@
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Summary: The GNU libc libraries
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Summary: The GNU libc libraries
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Name: glibc
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Name: glibc
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Version: %{glibcversion}
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Version: %{glibcversion}
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Release: 23%{?dist}
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Release: 24%{?dist}
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# GPLv2+ is used in a bunch of programs, LGPLv2+ is used for libraries.
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# GPLv2+ is used in a bunch of programs, LGPLv2+ is used for libraries.
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# Things that are linked directly into dynamically linked programs
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# Things that are linked directly into dynamically linked programs
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# and shared libraries (e.g. crt files, lib*_nonshared.a) have an additional
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# and shared libraries (e.g. crt files, lib*_nonshared.a) have an additional
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@ -52,6 +52,8 @@ Patch8: %{name}-fdelt.patch
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Patch9: %{name}-rh708455.patch
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Patch9: %{name}-rh708455.patch
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Patch10: %{name}-rh750811.patch
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Patch10: %{name}-rh750811.patch
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Patch11: %{name}-rh758252.patch
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Patch11: %{name}-rh758252.patch
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Patch12: %{name}-rh767746.patch
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Patch13: %{name}-rh552960.patch
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Buildroot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
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Buildroot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
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Obsoletes: glibc-profile < 2.4
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Obsoletes: glibc-profile < 2.4
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Obsoletes: nss_db
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Obsoletes: nss_db
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@ -280,6 +282,8 @@ rm -rf %{glibcportsdir}
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%patch9 -p1
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%patch9 -p1
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%patch10 -p1
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%patch10 -p1
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%patch11 -p1
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%patch11 -p1
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%patch12 -p1
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%patch13 -p1
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# A lot of programs still misuse memcpy when they have to use
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# A lot of programs still misuse memcpy when they have to use
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# memmove. The memcpy implementation below is not tolerant at
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# memmove. The memcpy implementation below is not tolerant at
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@ -1132,6 +1136,11 @@ rm -f *.filelist*
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%endif
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%endif
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%changelog
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%changelog
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* Thu Dec 15 2011 Jeff Law <law@redhat.com> - 2.14.90-24
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- Handle EAGAIN from FUTEX_WAIT_REQUEUE_PI (#552960)
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- Add {dist}
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- Correct return value from pthread_create when stack alloction fails.
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* Wed Dec 7 2011 Jeff Law <law@redhat.com> - 2.14.90-23
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* Wed Dec 7 2011 Jeff Law <law@redhat.com> - 2.14.90-23
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- Fix a wrong constant in powerpc hypot implementation (#750811)
|
- Fix a wrong constant in powerpc hypot implementation (#750811)
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||||||
#13534 in python bug database
|
#13534 in python bug database
|
||||||
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Reference in New Issue
Block a user