1 /* $NetBSD: ksh_wait.h,v 1.2 1997/01/12 19:12:03 tls Exp $ */ 2 3 /* Wrapper around the ugly sys/wait includes/ifdefs */ 4 /* $NetBSD: ksh_wait.h,v 1.2 1997/01/12 19:12:03 tls Exp $ */ 5 6 #ifdef HAVE_SYS_WAIT_H 7 # include <sys/wait.h> 8 #endif 9 10 #ifndef POSIX_SYS_WAIT 11 /* Get rid of system macros (which probably use union wait) */ 12 # undef WIFCORED 13 # undef WIFEXITED 14 # undef WEXITSTATUS 15 # undef WIFSIGNALED 16 # undef WTERMSIG 17 # undef WIFSTOPPED 18 # undef WSTOPSIG 19 #endif /* POSIX_SYS_WAIT */ 20 21 typedef int WAIT_T; 22 23 #ifndef WIFCORED 24 # define WIFCORED(s) ((s) & 0x80) 25 #endif 26 #define WSTATUS(s) (s) 27 28 #ifndef WIFEXITED 29 # define WIFEXITED(s) (((s) & 0xff) == 0) 30 #endif 31 #ifndef WEXITSTATUS 32 # define WEXITSTATUS(s) (((s) >> 8) & 0xff) 33 #endif 34 #ifndef WIFSIGNALED 35 # define WIFSIGNALED(s) (((s) & 0xff) != 0 && ((s) & 0xff) != 0x7f) 36 #endif 37 #ifndef WTERMSIG 38 # define WTERMSIG(s) ((s) & 0x7f) 39 #endif 40 #ifndef WIFSTOPPED 41 # define WIFSTOPPED(s) (((s) & 0xff) == 0x7f) 42 #endif 43 #ifndef WSTOPSIG 44 # define WSTOPSIG(s) (((s) >> 8) & 0xff) 45 #endif 46 47 #if !defined(HAVE_WAITPID) && defined(HAVE_WAIT3) 48 /* always used with p == -1 */ 49 # define ksh_waitpid(p, s, o) wait3((s), (o), (struct rusage *) 0) 50 #else /* !HAVE_WAITPID && HAVE_WAIT3 */ 51 # define ksh_waitpid(p, s, o) waitpid((p), (s), (o)) 52 #endif /* !HAVE_WAITPID && HAVE_WAIT3 */ 53