diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/bits/types/sigevent_t.h')
-rw-r--r-- | sysdeps/unix/sysv/linux/bits/types/sigevent_t.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/types/sigevent_t.h b/sysdeps/unix/sysv/linux/bits/types/sigevent_t.h new file mode 100644 index 0000000000..0d4857b16e --- /dev/null +++ b/sysdeps/unix/sysv/linux/bits/types/sigevent_t.h @@ -0,0 +1,48 @@ +#ifndef __sigevent_t_defined +#define __sigevent_t_defined 1 + +#include <bits/wordsize.h> +#include <bits/types.h> +#include <bits/types/sigval_t.h> + +#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 |