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Code Issues Releases Activity

cpu: Restructure code to avoid pointless ret variable indirection

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libavutil/cpu.c:133:9: warning: unused variable ‘ret’ [-Wunused-variable]
This commit is contained in:
Diego Biurrun 2013-06-01 15:38:51 +02:00
parent 46ce9ded96
commit f0ce1d9909
1 changed files with 4 additions and 8 deletions
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12
libavutil/cpu.c
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@ -130,27 +130,23 @@ int av_parse_cpu_flags(const char *s)
int av_cpu_count(void)
{
int ret, nb_cpus = 1;
int nb_cpus = 1;
#if HAVE_SCHED_GETAFFINITY && defined(CPU_COUNT)
cpu_set_t cpuset;
CPU_ZERO(&cpuset);
ret = sched_getaffinity(0, sizeof(cpuset), &cpuset);
if (!ret) {
if (!sched_getaffinity(0, sizeof(cpuset), &cpuset))
nb_cpus = CPU_COUNT(&cpuset);
}
#elif HAVE_GETPROCESSAFFINITYMASK
DWORD_PTR proc_aff, sys_aff;
ret = GetProcessAffinityMask(GetCurrentProcess(), &proc_aff, &sys_aff);
if (ret)
if (GetProcessAffinityMask(GetCurrentProcess(), &proc_aff, &sys_aff))
nb_cpus = av_popcount64(proc_aff);
#elif HAVE_SYSCTL && defined(HW_NCPU)
int mib[2] = { CTL_HW, HW_NCPU };
size_t len = sizeof(nb_cpus);
ret = sysctl(mib, 2, &nb_cpus, &len, NULL, 0);
if (ret == -1)
if (sysctl(mib, 2, &nb_cpus, &len, NULL, 0) == -1)
nb_cpus = 0;
#elif HAVE_SYSCONF && defined(_SC_NPROC_ONLN)
nb_cpus = sysconf(_SC_NPROC_ONLN);