def config_sys_socket_h(ctx, builder):
'''
Test for the posix sys/socket.h header, which provides network sockets.
@param builder: C builder
'''
if not builder.check_header_exists('sys/socket.h'):
raise MissingHeader('sys/socket.h')
socket_h = Record()
code = '''
#include <sys/types.h>
#include <sys/socket.h>
extern int accept(int s, struct sockaddr* addr, %s* addrlen);
'''
logger.check('determing type of socklen_t')
for t in 'socklen_t', 'unsigned int', 'int':
if builder.try_compile(code % t):
logger.passed('ok ' + t)
socket_h.socklen_t = t
break
else:
logger.failed()
raise ConfigFailed('failed to detect type of socklen_t')
return socket_h
def config_pthread_h(ctx, builder):
'''
Test for the posix pthread.h header, which provides posix threads.
@param builder: C builder
'''
if not builder.check_header_exists('pthread.h'):
raise MissingHeader('pthread.h')
pthread_h = Record()
code = '''
#include <pthread.h>
void* start(void* data) { return NULL; }
int main(int argc, char** argv) {
pthread_t thr;
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
int res = pthread_create(&thr, &attr, start, NULL);
pthread_attr_destroy(&attr);
return res;
}
'''
logger.check('detecting pthread link flags')
for flags in [], ['-lpthread'], ['-pthread'], ['-pthreads']:
if builder.try_run(code, lkwargs={'flags': flags}):
logger.passed('ok %r' % ' '.join(flags))
pthread_h.flags = flags
break
else:
logger.failed()
raise ConfigFailed('failed to link pthread program')
return pthread_h
