factotum/libressl-portable
1
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

make locks self-initialize, switch to critical sections

Browse Source
This commit is contained in:
Brent Cook 2019-01-01 02:40:59 -06:00
parent 0f0bec5a76
commit e508171956
1 changed files with 13 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
crypto/compat/crypto_lock_win.c
View File

@ -19,16 +19,7 @@
#include <openssl/crypto.h> #include <openssl/crypto.h>
static HANDLE locks[CRYPTO_NUM_LOCKS]; static volatile LPCRITICAL_SECTION locks[CRYPTO_NUM_LOCKS] = { NULL };
void
crypto_init_locks(void)
{
int i;
for (i = 0; i < CRYPTO_NUM_LOCKS; i++)
locks[i] = CreateMutex(NULL, FALSE, NULL);
}
void void
CRYPTO_lock(int mode, int type, const char *file, int line) CRYPTO_lock(int mode, int type, const char *file, int line)
@ -36,10 +27,20 @@ CRYPTO_lock(int mode, int type, const char *file, int line)
if (type < 0 || type >= CRYPTO_NUM_LOCKS) if (type < 0 || type >= CRYPTO_NUM_LOCKS)
return; return;
if (locks[type] == NULL) {
LPCRITICAL_SECTION lcs = malloc(sizeof(CRITICAL_SECTION));
InitializeCriticalSection(lcs);
if (InterlockedCompareExchangePointer((void **)&locks[type], (void *)lcs, NULL) != NULL)
{
DeleteCriticalSection(lcs);
free(lcs);
}
}
if (mode & CRYPTO_LOCK) if (mode & CRYPTO_LOCK)
WaitForSingleObject(locks[type], INFINITE); EnterCriticalSection(locks[type]);
else else
ReleaseMutex(locks[type]); LeaveCriticalSection(locks[type]);
} }
int int