47 lines
1.5 KiB
Diff
47 lines
1.5 KiB
Diff
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From 5a8884c3742e2e0cb467efc23b3b8bedaa13f65d Mon Sep 17 00:00:00 2001
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From: Ulrich Hecht <uli@suse.de>
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Date: Thu, 23 Jul 2009 14:56:59 +0200
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Subject: [PATCH 31/33] linux-user: fadvise64 implementation
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good enough to pass all LTP fadvise64 tests
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Signed-off-by: Ulrich Hecht <uli@suse.de>
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---
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linux-user/syscall.c | 17 ++++++++++++++---
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1 files changed, 14 insertions(+), 3 deletions(-)
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diff --git a/linux-user/syscall.c b/linux-user/syscall.c
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index 30fb4ab..c4b7001 100644
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--- a/linux-user/syscall.c
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+++ b/linux-user/syscall.c
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@@ -6680,12 +6680,23 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
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arg4 = temp;
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}
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#endif
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-#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64)
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+#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
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#ifdef TARGET_NR_fadvise64_64
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case TARGET_NR_fadvise64_64:
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#endif
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- /* This is a hint, so ignoring and returning success is ok. */
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- ret = get_errno(0);
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+#ifdef TARGET_NR_fadvise64
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+ case TARGET_NR_fadvise64:
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+#endif
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+#ifdef TARGET_S390X
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+ switch (arg4) {
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+ case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */
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+ case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */
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+ case 6: arg4 = POSIX_FADV_DONTNEED; break;
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+ case 7: arg4 = POSIX_FADV_NOREUSE; break;
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+ default: break;
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+ }
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+#endif
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+ ret = -posix_fadvise(arg1, arg2, arg3, arg4);
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break;
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#endif
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#ifdef TARGET_NR_madvise
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--
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1.6.2.1
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