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[Threading] Fix the Linux build.

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A few fixes specifically for the Linux build.

rdar://90776105
This commit is contained in:
Alastair Houghton
2022-04-21 15:03:58 +01:00
parent 2398fe76f6
commit fc90280e34
21 changed files with 69 additions and 20 deletions
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6
include/swift/Threading/Impl/Pthreads.h
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@@ -18,8 +18,11 @@
#define SWIFT_THREADING_IMPL_PTHREADS_H
#include <pthread.h>
#include <errno.h>
#include <atomic>
#include <cstdint>
#include "swift/Threading/Errors.h"
namespace swift {
@@ -70,6 +73,7 @@ inline void mutex_init(mutex_handle &handle, bool checked=false) {
SWIFT_PTHREADS_CHECK(::pthread_mutexattr_init(&attr));
SWIFT_PTHREADS_CHECK(::pthread_mutexattr_settype(&attr,
PTHREAD_MUTEX_ERRORCHECK));
SWIFT_PTHREADS_CHECK(::pthread_mutex_init(&handle, &attr));
SWIFT_PTHREADS_CHECK(::pthread_mutexattr_destroy(&attr));
}
}
@@ -128,7 +132,7 @@ using once_t = std::atomic<std::int64_t>;
void once_slow(once_t &predicate, void (*fn)(void *), void *context);
inline void once(once_t &predicate, void (*fn)(void *), void *context) {
inline void once_impl(once_t &predicate, void (*fn)(void *), void *context) {
// Sadly we can't use ::pthread_once() for this (no context)
if (predicate.load(std::memory_order_acquire) < 0)
return;