| #ifndef _SYS_WAIT_H |
| #define _SYS_WAIT_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #include <sys/types.h> |
| |
| #define WNOHANG 1 |
| #define WUNTRACED 2 |
| |
| /* A status looks like: |
| <1 byte info> <1 byte code> |
| |
| <code> == 0, child has exited, info is the exit value |
| <code> == 1..7e, child has exited, info is the signal number. |
| <code> == 7f, child has stopped, info was the signal number. |
| <code> == 80, there was a core dump. |
| */ |
| |
| #define WIFEXITED(w) (((w) & 0xff) == 0) |
| #define WIFSIGNALED(w) (((w) & 0x7f) > 0 && (((w) & 0x7f) < 0x7f)) |
| #define WIFSTOPPED(w) (((w) & 0xff) == 0x7f) |
| #define WEXITSTATUS(w) (((w) >> 8) & 0xff) |
| #define WTERMSIG(w) ((w) & 0x7f) |
| #define WSTOPSIG WEXITSTATUS |
| |
| pid_t wait (int *); |
| pid_t waitpid (pid_t, int *, int); |
| |
| #ifdef _COMPILING_NEWLIB |
| pid_t _wait (int *); |
| #endif |
| |
| /* Provide prototypes for most of the _<systemcall> names that are |
| provided in newlib for some compilers. */ |
| pid_t _wait (int *); |
| |
| #ifdef __cplusplus |
| }; |
| #endif |
| |
| #endif |