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Merge branch 'master' of github.com:janet-lang/janet

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This commit is contained in:
Calvin Rose 2021-08-15 13:15:41 -05:00
commit dea4906144
2 changed files with 11 additions and 6 deletions
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3
src/core/math.c
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@ -141,8 +141,7 @@ JANET_CORE_FN(cfun_rng_make,
JANET_CORE_FN(cfun_rng_uniform,
"(math/rng-uniform rng)",
"Extract a random random integer in the range [0, max] from the RNG. If "
"no max is given, the default is 2^31 - 1."
"Extract a random number in the range [0, 1) from the RNG."
) {
janet_fixarity(argc, 1);
JanetRNG *rng = janet_getabstract(argv, 0, &janet_rng_type);

14
src/core/os.c
View File

@ -84,7 +84,6 @@ time_t timegm(struct tm *tm);
* setenv/getenv are not thread safe. */
#ifdef JANET_THREADS
# ifdef JANET_WINDOWS
static int env_lock_initialized = 0;
static CRITICAL_SECTION env_lock;
static void janet_lock_environ(void) {
EnterCriticalSection(&env_lock);
@ -2146,10 +2145,17 @@ void janet_lib_os(JanetTable *env) {
#if !defined(JANET_REDUCED_OS) && defined(JANET_WINDOWS) && defined(JANET_THREADS)
/* During start up, the top-most abstract machine (thread)
* in the thread tree sets up the critical section. */
if (!env_lock_initialized) {
InitializeCriticalSection(&env_lock);
env_lock_initialized = 1;
static volatile long env_lock_initializing = 0;
static volatile long env_lock_initialized = 0;
if(!InterlockedExchange(&env_lock_initializing, 1)){
InitializeCriticalSection(&env_lock);
InterlockedOr(&env_lock_initialized, 1);
} else {
while (!InterlockedOr(&env_lock_initialized, 0)) {
Sleep(0);
}
}
#endif
#ifndef JANET_NO_PROCESSES
#endif