Commit 8d665d79 authored by Vladislav Vaintroub's avatar Vladislav Vaintroub

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parent 266c8122
......@@ -34,6 +34,80 @@ IF(UNIX)
ENDIF()
ENDIF()
# either define HAVE_IB_GCC_ATOMIC_BUILTINS or not
IF(NOT CMAKE_CROSSCOMPILING)
CHECK_C_SOURCE_RUNS(
"
int main()
{
long x;
long y;
long res;
char c;
x = 10;
y = 123;
res = __sync_bool_compare_and_swap(&x, x, y);
if (!res || x != y) {
return(1);
}
x = 10;
y = 123;
res = __sync_bool_compare_and_swap(&x, x + 1, y);
if (res || x != 10) {
return(1);
}
x = 10;
y = 123;
res = __sync_add_and_fetch(&x, y);
if (res != 123 + 10 || x != 123 + 10) {
return(1);
}
c = 10;
res = __sync_lock_test_and_set(&c, 123);
if (res != 10 || c != 123) {
return(1);
}
return(0);
}"
HAVE_IB_GCC_ATOMIC_BUILTINS
)
ENDIF()
IF(HAVE_IBGCC_ATOMIC_BUILTINS)
ADD_DEFINITIONS(-DHAVE_IBGCCC_ATOMIC_BUILTINS=1)
ENDIF()
# either define HAVE_IB_ATOMIC_PTHREAD_T_GCC or not
IF(NOT CMAKE_CROSSCOMPILING)
CHECK_C_SOURCE_RUNS(
"
#include <pthread.h>
#include <string.h>
int main(int argc, char** argv) {
pthread_t x1;
pthread_t x2;
pthread_t x3;
memset(&x1, 0x0, sizeof(x1));
memset(&x2, 0x0, sizeof(x2));
memset(&x3, 0x0, sizeof(x3));
__sync_bool_compare_and_swap(&x1, x2, x3);
return(0);
}"
HAVE_IB_ATOMIC_PTHREAD_T_GCC)
ENDIF()
IF(HAVE_IB_ATOMIC_PTHREAD_T_GCC)
ADD_DEFINITIONS(-DHAVE_IB_ATOMIC_PTHREAD_T_GCC=1)
ENDIF()
# Solaris atomics
IF(CMAKE_SYSTEM_NAME STREQUAL "SunOS")
CHECK_FUNCTION_EXISTS(atomic_cas_ulong HAVE_ATOMIC_CAS_ULONG)
......@@ -42,11 +116,51 @@ IF(CMAKE_SYSTEM_NAME STREQUAL "SunOS")
CHECK_FUNCTION_EXISTS(atomic_add_long HAVE_ATOMIC_ADD_LONG)
IF(HAVE_ATOMIC_CAS_ULONG AND HAVE_ATOMIC_CAS_32 AND
HAVE_ATOMIC_CAS_64 AND HAVE_ATOMIC_ADD_LONG)
SET(HAVE_SOLARIS_ATOMICS 1)
SET(HAVE_IB_SOLARIS_ATOMICS 1)
ENDIF()
IF(HAVE_IB_SOLARIS_ATOMICS)
ADD_DEFINITIONS(-DHAVE_IB_SOLARIS_ATOMICS=1)
ENDIF()
IF(NOT CMAKE_CROSSCOMPILING)
# either define HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS or not
CHECK_C_SOURCE_COMPILES(
" #include <pthread.h>
#include <string.h>
int main(int argc, char** argv) {
pthread_t x1;
pthread_t x2;
pthread_t x3;
memset(&x1, 0x0, sizeof(x1));
memset(&x2, 0x0, sizeof(x2));
memset(&x3, 0x0, sizeof(x3));
if (sizeof(pthread_t) == 4) {
atomic_cas_32(&x1, x2, x3);
} else if (sizeof(pthread_t) == 8) {
atomic_cas_64(&x1, x2, x3);
} else {
return(1);
}
return(0);
}
" HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS)
ENDIF()
IF(HAVE_IB_ATOMIC_PTHREAD_T_SOLARIS)
ADD_DEFINITIONS(-DHAVE_IB_ATOMIC_PTHREAD_T_SOLARIS=1)
ENDIF()
ENDIF()
IF(HAVE_GCC_ATOMIC_BUILTINS)
CHECK_C_SOURCE_COMPILES("
#include <pthread.h>
......@@ -62,50 +176,12 @@ IF(HAVE_GCC_ATOMIC_BUILTINS)
)
ENDIF()
IF(NOT HAVE_ATOMIC_PTHREAD_T_GCC AND HAVE_SOLARIS_ATOMICS)
CHECK_C_SOURCE_COMPILES("
#include <pthread.h>
int main()
{
pthread_t x = 0;
return(0);
}" HAVE_ATOMIC_PTHREAD_T_SOLARIS
)
IF(HAVE_ATOMIC_PTHREAD_T_SOLARIS)
SET(CMAKE_EXTRA_INCLUDE_FILES pthread.h)
CHECK_TYPE_SIZE(pthread_t SIZEOF_PTHREAD_T)
SET(CMAKE_EXTRA_INCLUDE_FILES)
ENDIF()
ENDIF()
IF(NOT CMAKE_CROSSCOMPILING)
STRING(TOLOWER ${CMAKE_SYSTEM_PROCESSOR} processor)
IF(NOT WIN32 AND processor MATCHES "86" OR processor MATCHES "amd64"
OR processor MATCHES "x64")
# Check for x86 PAUSE instruction
# We have to actually try running the test program, because of a bug
# in Solaris on x86_64, where it wrongly reports that PAUSE is not
# supported when trying to run an application. See
# http://bugs.opensolaris.org/bugdatabase/printableBug.do?bug_id=6478684
CHECK_C_SOURCE_RUNS("
int main()
{
__asm__ __volatile__ (\"pause\");
return 0;
}" IB_HAVE_PAUSE_INSTRUCTION)
ENDIF()
ENDIF()
IF(HAVE_ATOMIC_PTHREAD_T_SOLARIS OR HAVE_ATOMIC_PTHREAD_T_GCC)
ADD_DEFINITIONS(-DHAVE_ATOMIC_PTHREAD_T=1)
ENDIF()
IF(HAVE_SOLARIS_ATOMICS)
ADD_DEFINITIONS(-DHAVE_SOLARIS_ATOMICS=1)
ENDIF()
IF(IB_HAVE_PAUSE_INSTRUCTIONS)
ADD_DEFINITIONS(-DIB_HAVE_PAUSE_INSTRUCTIONS=1)
IF(UNIX)
# this is needed to know which one of atomic_cas_32() or atomic_cas_64()
# to use in the source
SET(CMAKE_EXTRA_INCLUDE_FILES pthread.h)
CHECK_TYPE_SIZE(pthread_t SIZEOF_PTHREAD_T)
SET(CMAKE_EXTRA_INCLUDE_FILES)
ENDIF()
IF(SIZEOF_PTHREAD_T)
......@@ -113,7 +189,7 @@ IF(SIZEOF_PTHREAD_T)
ENDIF()
IF(MSVC)
ADD_DEFINITIONS(-DHAVE_WINDOWS_ATOMICS -DIB_HAVE_PAUSE_INSTRUCTION)
ADD_DEFINITIONS(-DHAVE_WINDOWS_ATOMICS -DHAVE_IB_PAUSE_INSTRUCTION)
ENDIF()
......
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