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Add fadvise64 stubs 

Since these are only hints, we happily fake them for now
to make applications not barf on ENOSYS.

Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5386 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2008-10-01 21:46:32 +00:00
parent f0f72ffe64
commit 408321b61f
1 changed files with 21 additions and 0 deletions
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21
linux-user/syscall.c
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@ -5578,6 +5578,27 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
case TARGET_NR_mincore: case TARGET_NR_mincore:
goto unimplemented; goto unimplemented;
#endif #endif
#ifdef TARGET_NR_arm_fadvise64_64
case TARGET_NR_arm_fadvise64_64:
{
/*
* arm_fadvise64_64 looks like fadvise64_64 but
* with different argument order
*/
abi_long temp;
temp = arg3;
arg3 = arg4;
arg4 = temp;
}
#endif
#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64)
#ifdef TARGET_NR_fadvise64_64
case TARGET_NR_fadvise64_64:
#endif
/* This is a hint, so ignoring and returning success is ok. */
ret = get_errno(0);
break;
#endif
#ifdef TARGET_NR_madvise #ifdef TARGET_NR_madvise
case TARGET_NR_madvise: case TARGET_NR_madvise:
/* A straight passthrough may not be safe because qemu sometimes /* A straight passthrough may not be safe because qemu sometimes