#ifndef __sigevent_t_defined #define __sigevent_t_defined 1 #include #include #include #define __SIGEV_MAX_SIZE 64 #if __WORDSIZE == 64 # define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 4) #else # define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 3) #endif /* Forward declaration. */ #ifndef __have_pthread_attr_t typedef union pthread_attr_t pthread_attr_t; # define __have_pthread_attr_t 1 #endif /* Structure to transport application-defined values with signals. */ typedef struct sigevent { __sigval_t sigev_value; int sigev_signo; int sigev_notify; union { int _pad[__SIGEV_PAD_SIZE]; /* When SIGEV_SIGNAL and SIGEV_THREAD_ID set, LWP ID of the thread to receive the signal. */ __pid_t _tid; struct { void (*_function) (__sigval_t); /* Function to start. */ pthread_attr_t *_attribute; /* Thread attributes. */ } _sigev_thread; } _sigev_un; } sigevent_t; /* POSIX names to access some of the members. */ #define sigev_notify_function _sigev_un._sigev_thread._function #define sigev_notify_attributes _sigev_un._sigev_thread._attribute #endif