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34 lines
1.1 KiB
Plaintext
34 lines
1.1 KiB
Plaintext
$NetBSD: patch-ad,v 1.1.1.1 2008/09/07 00:56:15 bjs Exp $
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--- src/xfermem.c.orig 2008-08-29 02:43:56.000000000 -0400
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+++ src/xfermem.c
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@@ -37,6 +37,13 @@ void xfermem_init (txfermem **xf, size_t
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#ifdef HAVE_MMAP
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# ifdef MAP_ANON
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+
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+#if defined(__NetBSD__) && (__NetBSD_Version__ >= 104030000)
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+ if(madvise((void *)xf, (regsize - sizeof(txfermem)),
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+ MADV_SEQUENTIAL) < 0)
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+ fprintf(stderr,"madvise failed, continuing anyway...\n");
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+#endif
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+
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if ((*xf = (txfermem *) mmap(0, regsize, PROT_READ | PROT_WRITE,
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MAP_ANON | MAP_SHARED, -1, 0)) == (txfermem *) -1) {
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perror ("mmap()");
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@@ -92,7 +99,13 @@ void xfermem_done (txfermem *xf)
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if(!xf)
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return;
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#ifdef HAVE_MMAP
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- munmap ((caddr_t) xf, xf->size + xf->metasize + sizeof(txfermem));
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+ munmap ((void *) xf, xf->size + xf->metasize + sizeof(txfermem));
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+
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+#if defined(__NetBSD__) && (__NetBSD_Version__ >= 104030000)
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+ if(madvise((void *)xf, (xf->size + xf->metasize), MADV_FREE) < 0)
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+ fprintf(stderr,"madvise failed, continuing anyways..\n");
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+#endif
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+
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#else
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if (shmdt((void *) xf) == -1) {
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perror ("shmdt()");
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