#include "types.hh"
#include "util.hh"
#include "affinity.hh"

#if HAVE_SCHED_H
#include <sched.h>
#endif

namespace nix {


#if HAVE_SCHED_SETAFFINITY
static bool didSaveAffinity = false;
static cpu_set_t savedAffinity;
#endif


void setAffinityTo(int cpu)
{
#if HAVE_SCHED_SETAFFINITY
    if (sched_getaffinity(0, sizeof(cpu_set_t), &savedAffinity) == -1) return;
    didSaveAffinity = true;
    printMsg(lvlDebug, format("locking this thread to CPU %1%") % cpu);
    cpu_set_t newAffinity;
    CPU_ZERO(&newAffinity);
    CPU_SET(cpu, &newAffinity);
    if (sched_setaffinity(0, sizeof(cpu_set_t), &newAffinity) == -1)
        printMsg(lvlError, format("failed to lock thread to CPU %1%") % cpu);
#endif
}


int lockToCurrentCPU()
{
#if HAVE_SCHED_SETAFFINITY
    int cpu = sched_getcpu();
    if (cpu != -1) setAffinityTo(cpu);
    return cpu;
#else
    return -1;
#endif
}


void restoreAffinity()
{
#if HAVE_SCHED_SETAFFINITY
    if (!didSaveAffinity) return;
    if (sched_setaffinity(0, sizeof(cpu_set_t), &savedAffinity) == -1)
        printMsg(lvlError, "failed to restore affinity %1%");
#endif
}


}
>summary</a><a href='/guix/refs/?id=c111a501f64fc1e00b4efeea7a408a410cf43f61'>refs</a><a class='active' href='/guix/log/gnu/tests/ganeti.scm'>log</a><a href='/guix/tree/gnu/tests/ganeti.scm?id=c111a501f64fc1e00b4efeea7a408a410cf43f61'>tree</a><a href='/guix/commit/gnu/tests/ganeti.scm?id=c111a501f64fc1e00b4efeea7a408a410cf43f61'>commit</a><a href='/guix/diff/gnu/tests/ganeti.scm?id=c111a501f64fc1e00b4efeea7a408a410cf43f61'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/tests/ganeti.scm'>
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<div class='path'>path: <a href='/guix/log/?id=c111a501f64fc1e00b4efeea7a408a410cf43f61'>root</a>/<a href='/guix/log/gnu?id=c111a501f64fc1e00b4efeea7a408a410cf43f61'>gnu</a>/<a href='/guix/log/gnu/tests?id=c111a501f64fc1e00b4efeea7a408a410cf43f61'>tests</a>/<a href='/guix/log/gnu/tests/ganeti.scm?id=c111a501f64fc1e00b4efeea7a408a410cf43f61'>ganeti.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/tests/ganeti.scm?id=c111a501f64fc1e00b4efeea7a408a410cf43f61&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-06-20 16:44:08 +0200'>2021-06-20</span></td><td><a href='/guix/commit/gnu/tests/ganeti.scm?id=ef3f38ea0027f48feb6a29df131ac58bfbb46b7d'>services: openssh: Replace 'without-password' by 'prohibit-password'.</a><span class='msg-avail'>...<span class='msg-tooltip'>For some time, OpenSSH's option 'PermitRootLogin' has deprecated the
ambiguous argument 'without-password' with 'prohibit-password'.

* doc/guix.texi (Network Services): Replace 'without-password by
'prohibit-password.
* gnu/machine/digital-ocean.scm (guix-infect): Change system
configuration to use 'prohibit-password.
* gnu/services/ssh.scm (openssh-configuration): Change comment to use
'prohibit-password.
(openssh-config-file): Add support for 'prohibit-password to
'permit-root-login'.  Warn about deprecated 'without-password usage.
* gnu/tests/ganeti.scm (%ganeti-os): Replace 'without-password by
'prohibit-password.

Signed-off-by: Tobias Geerinckx-Rice &lt;me@tobias.gr&gt;
</span></span></td><td>Brice Waegeneire</td></tr>
<tr><td><span title='2020-07-19 14:23:16 +0200'>2020-07-19</span></td><td><a href='/guix/commit/gnu/tests/ganeti.scm?id=41daf1286575f3a1998493c893f6d5a9c5b62de8'>services: ganeti: Use TLS on the remote API by default.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/ganeti.scm (&lt;ganeti-rapi-configuration&gt;): Set SSL? to #t.
* gnu/tests/ganeti.scm (%ganeti-os): Set SSL? to #f.
* doc/guix.texi (Virtualization Services): Adjust accordingly.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-07-16 21:51:44 +0200'>2020-07-16</span></td><td><a href='/guix/commit/gnu/tests/ganeti.scm?id=9a622827559b223cc6b48733a82c74ce14a29bab'>services: Add ganeti.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/ganeti.scm, gnu/tests/ganeti.scm: New files.
* doc/guix.texi (Virtualization Services): Document the Ganeti services.
</span></span></td><td>Marius Bakke</td></tr>