1*53ee8cc1Swenshuai.xi #ifndef _SYS_WAIT_H 2*53ee8cc1Swenshuai.xi #define _SYS_WAIT_H 3*53ee8cc1Swenshuai.xi 4*53ee8cc1Swenshuai.xi #ifdef __cplusplus 5*53ee8cc1Swenshuai.xi extern "C" { 6*53ee8cc1Swenshuai.xi #endif 7*53ee8cc1Swenshuai.xi 8*53ee8cc1Swenshuai.xi #include <sys/types.h> 9*53ee8cc1Swenshuai.xi 10*53ee8cc1Swenshuai.xi #define WNOHANG 1 11*53ee8cc1Swenshuai.xi #define WUNTRACED 2 12*53ee8cc1Swenshuai.xi 13*53ee8cc1Swenshuai.xi /* A status looks like: 14*53ee8cc1Swenshuai.xi <2 bytes info> <2 bytes code> 15*53ee8cc1Swenshuai.xi 16*53ee8cc1Swenshuai.xi <code> == 0, child has exited, info is the exit value 17*53ee8cc1Swenshuai.xi <code> == 1..7e, child has exited, info is the signal number. 18*53ee8cc1Swenshuai.xi <code> == 7f, child has stopped, info was the signal number. 19*53ee8cc1Swenshuai.xi <code> == 80, there was a core dump. 20*53ee8cc1Swenshuai.xi */ 21*53ee8cc1Swenshuai.xi 22*53ee8cc1Swenshuai.xi #define WIFEXITED(w) (((w) & 0xff) == 0) 23*53ee8cc1Swenshuai.xi #define WIFSIGNALED(w) (((w) & 0x7f) > 0 && (((w) & 0x7f) < 0x7f)) 24*53ee8cc1Swenshuai.xi #define WIFSTOPPED(w) (((w) & 0xff) == 0x7f) 25*53ee8cc1Swenshuai.xi #define WEXITSTATUS(w) (((w) >> 8) & 0xff) 26*53ee8cc1Swenshuai.xi #define WTERMSIG(w) ((w) & 0x7f) 27*53ee8cc1Swenshuai.xi #define WSTOPSIG WEXITSTATUS 28*53ee8cc1Swenshuai.xi 29*53ee8cc1Swenshuai.xi pid_t wait (int *); 30*53ee8cc1Swenshuai.xi pid_t waitpid (pid_t, int *, int); 31*53ee8cc1Swenshuai.xi 32*53ee8cc1Swenshuai.xi /* Provide prototypes for most of the _<systemcall> names that are 33*53ee8cc1Swenshuai.xi provided in newlib for some compilers. */ 34*53ee8cc1Swenshuai.xi pid_t _wait (int *); 35*53ee8cc1Swenshuai.xi 36*53ee8cc1Swenshuai.xi #ifdef __cplusplus 37*53ee8cc1Swenshuai.xi }; 38*53ee8cc1Swenshuai.xi #endif 39*53ee8cc1Swenshuai.xi 40*53ee8cc1Swenshuai.xi #endif 41