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Make ptls allocations at least 128 byte aligned #57310

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Merged
merged 1 commit into from
Feb 9, 2025
Merged

Make ptls allocations at least 128 byte aligned #57310

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12 changes: 11 additions & 1 deletion src/threading.c
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Original file line number Diff line number Diff line change
Expand Up @@ -336,7 +336,17 @@ jl_ptls_t jl_init_threadtls(int16_t tid)
#endif
if (jl_get_pgcstack() != NULL)
abort();
jl_ptls_t ptls = (jl_ptls_t)calloc(1, sizeof(jl_tls_states_t));
jl_ptls_t ptls;
#if defined(_OS_WINDOWS_)
ptls = _aligned_malloc(sizeof(jl_tls_states_t), alignof(jl_tls_states_t));
if (ptls == NULL)
abort();
#else
if (posix_memalign((void**)&ptls, alignof(jl_tls_states_t), sizeof(jl_tls_states_t)))
abort();
#endif
memset(ptls, 0, sizeof(jl_tls_states_t));

#ifndef _OS_WINDOWS_
pthread_setspecific(jl_task_exit_key, (void*)ptls);
#endif
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