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| author | Christopher Faylor <me@cgf.cx> | 2003-07-06 20:08:42 +0000 |
|---|---|---|
| committer | Christopher Faylor <me@cgf.cx> | 2003-07-06 20:08:42 +0000 |
| commit | b67171535879acf1ee66751d7ada33a99b27419e (patch) | |
| tree | 12c125f2f62152b33e77f4b1d48247217e48dd9e /winsup/cygwin/syscalls.cc | |
| parent | e2723b750a1106ea8b122f02b1a6364c92bc09b0 (diff) | |
| download | cygnal-b67171535879acf1ee66751d7ada33a99b27419e.tar.gz cygnal-b67171535879acf1ee66751d7ada33a99b27419e.tar.bz2 cygnal-b67171535879acf1ee66751d7ada33a99b27419e.zip | |
* syscalls.cc (gethostid): Set thread affinity so that results are predictable.
Diffstat (limited to 'winsup/cygwin/syscalls.cc')
| -rw-r--r-- | winsup/cygwin/syscalls.cc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc index a22f4ee06..5ef18ce7e 100644 --- a/winsup/cygwin/syscalls.cc +++ b/winsup/cygwin/syscalls.cc @@ -2787,6 +2787,11 @@ long gethostid(void) 0x00290012}; bool has_cpuid = false; + sigframe thisframe (mainthread); + + DWORD opmask = SetThreadAffinityMask (GetCurrentThread (), 1); + if (!opmask) + debug_printf ("SetThreadAffinityMask to 1 failed, %E"); if (!can_set_flag (0x00040000)) debug_printf ("386 processor - no cpuid"); @@ -2870,6 +2875,9 @@ long gethostid(void) for (int i=0;i<13;i++) hostid ^= ((data[i] << (i << 2)) | (data[i] >> (32 - (i << 2)))); + if (opmask && !SetThreadAffinityMask (GetCurrentThread (), opmask)) + debug_printf ("SetThreadAffinityMask to %p failed, %E", opmask); + debug_printf ("hostid: %08x", hostid); return hostid; |