28 lines
961 B
C
28 lines
961 B
C
|
|
/* 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
|
|
#include <sys/wait.h>
|
|
#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
|