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1c0f31a22f
The previous approach only worked on ARMv7+, this should now permit build and use with environments shared between processes on a wider set of ARM architectures. Bump PORTREVISION. PR: 213223 Submitted by: mikael.urankar@gmail.com
34 lines
786 B
C
34 lines
786 B
C
--- src/dbinc/mutex_int.h.orig 2016-03-28 19:45:54 UTC
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+++ src/dbinc/mutex_int.h
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@@ -9,6 +9,7 @@
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#ifndef _DB_MUTEX_INT_H_
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#define _DB_MUTEX_INT_H_
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+#include <machine/atomic.h>
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#include "dbinc/atomic.h"
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#if defined(__cplusplus)
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@@ -506,11 +507,11 @@ typedef unsigned int tsl_t;
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#define MUTEX_UNSET(tsl) (*(volatile tsl_t *)(tsl) = 0)
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#define MUTEX_INIT(tsl) (MUTEX_UNSET(tsl), 0)
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#define MUTEX_MEMBAR(x) \
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- ({ __asm__ volatile ("dsb"); })
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+ dsb(x)
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#define MEMBAR_ENTER() \
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- ({ __asm__ volatile ("dsb"); })
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+ dsb()
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#define MEMBAR_EXIT() \
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- ({ __asm__ volatile ("dsb"); })
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+ dsb()
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#endif
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#endif
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@@ -652,7 +652,7 @@ MUTEX_SET(int *tsl) {
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: "=&r" (__r), "+r" (tsl)
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:
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: "cr0", "memory");
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- return (int)tsl;
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+ return (tsl != 0);
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}
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static inline int
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