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pthread-based locking for arc4random

This commit is contained in:
Neil Cook 2016-10-26 14:32:35 +00:00
parent 22c1eb7f3f
commit 393b24fe89
2 changed files with 19 additions and 2 deletions
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2
configure.ac
View File

@ -644,7 +644,7 @@ CHECK_CFLAGS=""
PKG_CHECK_MODULES([CHECK],[check >= 0.9.6],[CHECK_GETDNS="check_getdns"],[
AC_SEARCH_LIBS([floor], [m])
AC_SEARCH_LIBS([timer_create], [rt])
AC_SEARCH_LIBS([pthread_create], [pthread])
AC_SEARCH_LIBS([pthread_create], [pthread], [AC_DEFINE([HAVE_PTHREADS], [1], [Define if pthreads exist.])])
AC_SEARCH_LIBS([srunner_create],[check check_pic],[
CHECK_GETDNS="check_getdns"
CHECK_LIBS="$LIBS"],[

19
src/compat/arc4_lock.c
View File

@ -34,6 +34,23 @@
#include "config.h"
#define LOCKRET(func) func
#ifdef HAVE_PTHREADS
#include "pthread.h"
static pthread_mutex_t arc_lock = PTHREAD_MUTEX_INITIALIZER;
void _ARC4_LOCK(void)
{
pthread_mutex_lock(&arc_lock);
}
void _ARC4_UNLOCK(void)
{
pthread_mutex_unlock(&arc_lock);
}
#else
/* XXX - add windows-(or at least non pthread) specific lock routines here */
void _ARC4_LOCK(void)
{
}
@ -41,4 +58,4 @@ void _ARC4_LOCK(void)
void _ARC4_UNLOCK(void)
{
}
#endif