1 #ifndef _SYS_WAIT_H 2 #define _SYS_WAIT_H 3 4 #ifdef __cplusplus 5 extern "C" { 6 #endif 7 8 #include <sys/types.h> 9 10 #define WNOHANG 1 11 #define WUNTRACED 2 12 13 /* A status looks like: 14 <2 bytes info> <2 bytes code> 15 16 <code> == 0, child has exited, info is the exit value 17 <code> == 1..7e, child has exited, info is the signal number. 18 <code> == 7f, child has stopped, info was the signal number. 19 <code> == 80, there was a core dump. 20 */ 21 22 #define WIFEXITED(w) (((w) & 0xff) == 0) 23 #define WIFSIGNALED(w) (((w) & 0x7f) > 0 && (((w) & 0x7f) < 0x7f)) 24 #define WIFSTOPPED(w) (((w) & 0xff) == 0x7f) 25 #define WEXITSTATUS(w) (((w) >> 8) & 0xff) 26 #define WTERMSIG(w) ((w) & 0x7f) 27 #define WSTOPSIG WEXITSTATUS 28 29 pid_t wait (int *); 30 pid_t waitpid (pid_t, int *, int); 31 32 /* Provide prototypes for most of the _<systemcall> names that are 33 provided in newlib for some compilers. */ 34 pid_t _wait (int *); 35 36 #ifdef __cplusplus 37 }; 38 #endif 39 40 #endif 41