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Fixed linkhash.c for MinGW

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Added #ifdef conditions for MinGW because this compiler doesn't define
gcc atomic builtins, so __sync_val_compare_and_swap was not found
neither any of any __GCC_HAVE_SYNC_COMPARE_AND_SWAP_* definition
This commit is contained in:
Pablo Sanabria
2017-03-25 19:18:29 -03:00
parent 2cda677d06
commit d3f813a14e
1 changed files with 3 additions and 3 deletions
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6
linkhash.c
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@@ -23,7 +23,7 @@
# include <endian.h> /* attempt to define endianness */ # include <endian.h> /* attempt to define endianness */
#endif #endif
#ifdef _MSC_VER #if defined(_MSC_VER) || defined(__MINGW32__)
# define WIN32_LEAN_AND_MEAN # define WIN32_LEAN_AND_MEAN
# include <windows.h> /* Get InterlockedCompareExchange */ # include <windows.h> /* Get InterlockedCompareExchange */
#endif #endif
@@ -452,7 +452,7 @@ static unsigned long lh_perllike_str_hash(const void *k)
static unsigned long lh_char_hash(const void *k) static unsigned long lh_char_hash(const void *k)
{ {
#if defined _MSC_VER #if defined _MSC_VER || defined __MINGW32__
#define RANDOM_SEED_TYPE LONG #define RANDOM_SEED_TYPE LONG
#else #else
#define RANDOM_SEED_TYPE int #define RANDOM_SEED_TYPE int
@@ -474,7 +474,7 @@ static unsigned long lh_char_hash(const void *k)
#endif #endif
#if defined USE_SYNC_COMPARE_AND_SWAP #if defined USE_SYNC_COMPARE_AND_SWAP
(void)__sync_val_compare_and_swap(&random_seed, -1, seed); (void)__sync_val_compare_and_swap(&random_seed, -1, seed);
#elif defined _MSC_VER #elif defined _MSC_VER || defined __MINGW32__
InterlockedCompareExchange(&random_seed, seed, -1); InterlockedCompareExchange(&random_seed, seed, -1);
#else #else
#warning "racy random seed initializtion if used by multiple threads" #warning "racy random seed initializtion if used by multiple threads"