| /* wait.h - header file for remote wait call */ |
| |
| /* Copyright 1992 Free Software Foundation, Inc. |
| |
| This code was donated by Wind River Systems, Inc. */ |
| |
| /* |
| modification history |
| -------------------- |
| 01a,05jun90,llk borrowed. |
| */ |
| |
| /* Define how to access the structure that the wait system call stores. |
| On many systems, there is a structure defined for this. |
| But on vanilla-ish USG systems there is not. */ |
| |
| #ifndef HAVE_WAIT_STRUCT |
| #define WAITTYPE int |
| #define WIFSTOPPED(w) (((w)&0377) == 0177) |
| #define WIFSIGNALED(w) (((w)&0377) != 0177 && ((w)&~0377) == 0) |
| #define WIFEXITED(w) (((w)&0377) == 0) |
| #define WRETCODE(w) ((w) >> 8) |
| #define WSTOPSIG(w) ((w) >> 8) |
| #define WCOREDUMP(w) (((w)&0200) != 0) |
| #define WTERMSIG(w) ((w) & 0177) |
| #define WSETEXIT(w, status) ((w) = (status)) |
| #define WSETSTOP(w,sig) ((w) = (0177 | ((sig) << 8))) |
| #else |
| #if FALSE |
| #ifndef ORIG |
| |
| /* don't include sys/wait.h */ |
| |
| #else ORIG |
| #include <sys/wait.h> |
| #endif ORIG |
| #endif FALSE |
| #define WAITTYPE union wait |
| #define WRETCODE(w) (w).w_retcode |
| #define WSTOPSIG(w) (w).w_stopsig |
| #define WCOREDUMP(w) (w).w_coredump |
| #define WTERMSIG(w) (w).w_termsig |
| #define WSETEXIT(w, status) ((w).w_status = (status)) |
| #define WSETSTOP(w,sig) \ |
| ((w).w_stopsig = (sig), (w).w_coredump = 0, (w).w_termsig = 0177) |
| #endif |