ref: 457ba087b13a881b013940f6e54c09566ec10ed1
dir: /sys/src/ape/cmd/pdksh/ksh_wait.h/
/* Wrapper around the ugly sys/wait includes/ifdefs */ /* $Id$ */ #ifdef HAVE_SYS_WAIT_H # include <sys/wait.h> #endif #ifndef POSIX_SYS_WAIT /* Get rid of system macros (which probably use union wait) */ # undef WIFCORED # undef WIFEXITED # undef WEXITSTATUS # undef WIFSIGNALED # undef WTERMSIG # undef WIFSTOPPED # undef WSTOPSIG #endif /* POSIX_SYS_WAIT */ typedef int WAIT_T; #ifndef WIFCORED # define WIFCORED(s) ((s) & 0x80) #endif #define WSTATUS(s) (s) #ifndef WIFEXITED # define WIFEXITED(s) (((s) & 0xff) == 0) #endif #ifndef WEXITSTATUS # define WEXITSTATUS(s) (((s) >> 8) & 0xff) #endif #ifndef WIFSIGNALED # define WIFSIGNALED(s) (((s) & 0xff) != 0 && ((s) & 0xff) != 0x7f) #endif #ifndef WTERMSIG # define WTERMSIG(s) ((s) & 0x7f) #endif #ifndef WIFSTOPPED # define WIFSTOPPED(s) (((s) & 0xff) == 0x7f) #endif #ifndef WSTOPSIG # define WSTOPSIG(s) (((s) >> 8) & 0xff) #endif #if !defined(HAVE_WAITPID) && defined(HAVE_WAIT3) /* always used with p == -1 */ # define ksh_waitpid(p, s, o) wait3((s), (o), (struct rusage *) 0) #else /* !HAVE_WAITPID && HAVE_WAIT3 */ # define ksh_waitpid(p, s, o) waitpid((p), (s), (o)) #endif /* !HAVE_WAITPID && HAVE_WAIT3 */