maurice/snix
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style(3p/nix): Reformat project in Google C++ style

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Reformatted with:

    fd . -e hh -e cc | xargs clang-format -i
This commit is contained in:
Vincent Ambo 2020-05-17 16:31:57 +01:00
parent 65a1aae98c
commit 0f2cf531f7
175 changed files with 32126 additions and 34689 deletions
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48
third_party/nix/src/libutil/affinity.cc vendored
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@ -1,6 +1,6 @@
#include "affinity.hh"
#include "types.hh"
#include "util.hh"
#include "affinity.hh"
#if __linux__
#include <sched.h>
@ -8,48 +8,40 @@
namespace nix {
#if __linux__
static bool didSaveAffinity = false;
static cpu_set_t savedAffinity;
#endif
void setAffinityTo(int cpu)
{
void setAffinityTo(int cpu) {
#if __linux__
if (sched_getaffinity(0, sizeof(cpu_set_t), &savedAffinity) == -1) return;
didSaveAffinity = true;
debug(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)
printError(format("failed to lock thread to CPU %1%") % cpu);
if (sched_getaffinity(0, sizeof(cpu_set_t), &savedAffinity) == -1) return;
didSaveAffinity = true;
debug(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)
printError(format("failed to lock thread to CPU %1%") % cpu);
#endif
}
int lockToCurrentCPU()
{
int lockToCurrentCPU() {
#if __linux__
int cpu = sched_getcpu();
if (cpu != -1) setAffinityTo(cpu);
return cpu;
int cpu = sched_getcpu();
if (cpu != -1) setAffinityTo(cpu);
return cpu;
#else
return -1;
return -1;
#endif
}
void restoreAffinity()
{
void restoreAffinity() {
#if __linux__
if (!didSaveAffinity) return;
if (sched_setaffinity(0, sizeof(cpu_set_t), &savedAffinity) == -1)
printError("failed to restore affinity %1%");
if (!didSaveAffinity) return;
if (sched_setaffinity(0, sizeof(cpu_set_t), &savedAffinity) == -1)
printError("failed to restore affinity %1%");
#endif
}
}
} // namespace nix