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linux-user: assume __NR_gettid always exists

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The gettid syscall was introduced in Linux 2.4.11. This is old enough
that we can assume it always exists and thus not bother with the
conditional backcompat logic.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20190320161842.13908-2-berrange@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Daniel P. Berrangé 2019-03-20 16:18:41 +00:00 committed by Laurent Vivier
parent f55a585d10
commit 184943d827
1 changed files with 0 additions and 8 deletions
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8
linux-user/syscall.c
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@ -249,15 +249,7 @@ static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
#define TARGET_NR__llseek TARGET_NR_llseek
#endif
#ifdef __NR_gettid
_syscall0(int, gettid)
#else
/* This is a replacement for the host gettid() and must return a host
errno. */
static int gettid(void) {
return -ENOSYS;
}
#endif
/* For the 64-bit guest on 32-bit host case we must emulate
* getdents using getdents64, because otherwise the host