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Allow CPU affinity mask up to 64 processors in Windows. Remove call to SetThreadAffinityMask as SetProcessAffinityMask limits all threads in process. Report error code. pthread_setaffinity_np returns non-zero if failure; works also with OSX as it reports KERN_SUCCESS which is zero.

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This commit is contained in:
Jukka Ojanen 2021-07-06 16:47:18 +03:00
parent a0eaefa0c2
commit 0edab2b20f
1 changed files with 10 additions and 8 deletions
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18
src/affinity.c
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@ -56,8 +56,10 @@ int set_cpu_affinity (MAYBE_UNUSED hashcat_ctx_t *hashcat_ctx)
#if defined (_WIN)
DWORD_PTR aff_mask = 0;
const int cpu_id_max = 8 * sizeof (aff_mask);
#else
cpu_set_t cpuset;
const int cpu_id_max = 8 * sizeof (cpuset);
CPU_ZERO (&cpuset);
#endif
@ -84,7 +86,7 @@ int set_cpu_affinity (MAYBE_UNUSED hashcat_ctx_t *hashcat_ctx)
break;
}
if (cpu_id > 32)
if (cpu_id > cpu_id_max)
{
event_log_error (hashcat_ctx, "Invalid cpu_id %d specified.", cpu_id);
@ -94,7 +96,7 @@ int set_cpu_affinity (MAYBE_UNUSED hashcat_ctx_t *hashcat_ctx)
}
#if defined (_WIN)
aff_mask |= 1u << (cpu_id - 1);
aff_mask |= ((DWORD_PTR) 1) << (cpu_id - 1);
#else
CPU_SET ((cpu_id - 1), &cpuset);
#endif
@ -105,11 +107,9 @@ int set_cpu_affinity (MAYBE_UNUSED hashcat_ctx_t *hashcat_ctx)
#if defined (_WIN)
SetProcessAffinityMask (GetCurrentProcess (), aff_mask);
if (SetThreadAffinityMask (GetCurrentThread (), aff_mask) == 0)
if (SetProcessAffinityMask (GetCurrentProcess (), aff_mask) == 0)
{
event_log_error (hashcat_ctx, "%s", "SetThreadAffinityMask().");
event_log_error (hashcat_ctx, "SetProcessAffinityMask() failed with error: %d", (int) GetLastError ());
return -1;
}
@ -118,9 +118,11 @@ int set_cpu_affinity (MAYBE_UNUSED hashcat_ctx_t *hashcat_ctx)
pthread_t thread = pthread_self ();
if (pthread_setaffinity_np (thread, sizeof (cpu_set_t), &cpuset) == -1)
const int rc = pthread_setaffinity_np (thread, sizeof (cpu_set_t), &cpuset);
if (rc != 0)
{
event_log_error (hashcat_ctx, "%s", "pthread_setaffinity_np().");
event_log_error (hashcat_ctx, "pthread_setaffinity_np() failed with error: %d", rc);
return -1;
}