1 krisbash 1.1 #ifndef _pal_tls_h
 2              #define _pal_tls_h
 3              
 4              #include <stddef.h>
 5              #include <nits/base/nits.h>
 6              
 7              #if defined(PAL_HAVE_PTHREADS)
 8              # include <pthread.h>
 9              #endif
10              
11              PAL_BEGIN_EXTERNC
12              
13              typedef struct _TLS 
14              {
15              #if defined(_MSC_VER)
16                  DWORD index;
17              #else
18                  pthread_key_t key;
19              #endif
20              }
21              TLS;
22 krisbash 1.1 
23              _Return_type_success_(return == 0) int TLS_Init_Injected(
24                  _Out_ TLS* self,
25                  NitsCallSite cs);
26              
27              #define TLS_Init(self) TLS_Init_Injected(self, NitsHere())
28              
29              PAL_INLINE int TLS_Destroy(
30                  _Inout_ TLS* self)
31              {
32              #if defined(_MSC_VER)
33                  return TlsFree(self->index) ? 0 : -1;
34              #else
35                  return pthread_key_delete(self->key) == 0 ? 0 : -1;
36              #endif
37              }
38              
39              PAL_INLINE int TLS_Set(
40                  _Inout_ TLS* self,
41                  _In_ ptrdiff_t data)
42              {
43 krisbash 1.1 #if defined(_MSC_VER)
44                  return TlsSetValue(self->index, (void*)data) ? 0 : -1;
45              #else
46                  return pthread_setspecific(self->key, (void*)data) == 0 ? 0 : -1;
47              #endif
48              }
49              
50              PAL_INLINE ptrdiff_t TLS_Get(
51                  _In_ TLS* self)
52              {
53              #if defined(_MSC_VER)
54                  return (ptrdiff_t)TlsGetValue(self->index);
55              #else
56                  return (ptrdiff_t)pthread_getspecific(self->key);
57              #endif
58              }
59              
60              PAL_END_EXTERNC
61              
62              #endif /* _pal_tls_h */