diff options
Diffstat (limited to 'mit-pthreads/machdep/ultrix-4.2/wait.h')
| -rwxr-xr-x | mit-pthreads/machdep/ultrix-4.2/wait.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/mit-pthreads/machdep/ultrix-4.2/wait.h b/mit-pthreads/machdep/ultrix-4.2/wait.h new file mode 100755 index 00000000000..8114f7e461d --- /dev/null +++ b/mit-pthreads/machdep/ultrix-4.2/wait.h @@ -0,0 +1,121 @@ + +#ifndef _SYS_WAIT_H_ +#define _SYS_WAIT_H_ + +#include <ansi_compat.h> +#include <sys/cdefs.h> + +#if !defined(_POSIX_SOURCE) +union wait { +#else +union __wait { +#endif /* !defined(_POSIX_SOURCE) */ +#ifdef __vax + int w_status; /* used in syscall */ +#endif /* __vax */ +#ifdef __mips__ + unsigned int w_status; /* used in syscall */ +#endif /* __mips */ + /* + * Terminated process status. + */ + struct { +#ifdef __vax + unsigned short w_Termsig:7; /* termination signal */ + unsigned short w_Coredump:1; /* core dump indicator */ + unsigned short w_Retcode:8; /* exit code if w_termsig==0 */ +#endif /* __vax */ +#ifdef __mips__ +#ifdef __MIPSEL__ + unsigned int w_Termsig:7; /* termination signal */ + unsigned int w_Coredump:1; /* core dump indicator */ + unsigned int w_Retcode:8; /* exit code if w_termsig==0 */ + unsigned int w_Filler:16; /* pad to word boundary */ +#endif /* __MIPSEL */ +#ifdef __MIPSEB__ + unsigned int w_Filler:16; /* pad to word boundary */ + unsigned int w_Retcode:8; /* exit code if w_termsig==0 */ + unsigned int w_Coredump:1; /* core dump indicator */ + unsigned int w_Termsig:7; /* termination signal */ +#endif /* __MIPSEB */ +#endif /* __mips */ + } w_T; + /* + * Stopped process status. Returned + * only for traced children unless requested + * with the WUNTRACED option bit. + */ + struct { +#ifdef __vax + unsigned short w_Stopval:8; /* == W_STOPPED if stopped */ + unsigned short w_Stopsig:8; /* signal that stopped us */ +#endif /* __vax */ +#ifdef __mips__ +#ifdef __MIPSEL__ + unsigned int w_Stopval:8; /* == W_STOPPED if stopped */ + unsigned int w_Stopsig:8; /* signal that stopped us */ + unsigned int w_Filler:16; /* pad to word boundary */ +#endif /* __MIPSEL */ +#ifdef __MIPSEB__ + unsigned int w_Filler:16; /* pad to word boundary */ + unsigned int w_Stopsig:8; /* signal that stopped us */ + unsigned int w_Stopval:8; /* == W_STOPPED if stopped */ +#endif /* __MIPSEB */ +#endif /* __mips */ + } w_S; +}; + +#if !defined(_POSIX_SOURCE) +#define w_termsig w_T.w_Termsig +#define w_coredump w_T.w_Coredump +#define w_retcode w_T.w_Retcode +#define w_stopval w_S.w_Stopval +#define w_stopsig w_S.w_Stopsig +#define WSTOPPED 0177 /* value of s.stopval if process is stopped */ +#endif /* !defined(_POSIX_SOURCE) */ + +#ifdef WSTOPPED +#define _WSTOPPED WSTOPPED +#else +#define _WSTOPPED 0177 +#endif + +/* + * Option bits for the second argument of wait3. WNOHANG causes the + * wait to not hang if there are no stopped or terminated processes, rather + * returning an error indication in this case (pid==0). WUNTRACED + * indicates that the caller should receive status about untraced children + * which stop due to signals. If children are stopped and a wait without + * this option is done, it is as though they were still running... nothing + * about them is returned. + */ +#define WNOHANG 1 /* dont hang in wait */ +#define WUNTRACED 2 /* tell about stopped, untraced children */ + +/* + * Must cast as union wait * because POSIX defines the input to these macros + * as int. + */ + +#ifdef _POSIX_SOURCE +#define WIFSTOPPED(x) (((union __wait *)&(x))->w_S.w_Stopval == _WSTOPPED) +#define WIFSIGNALED(x) (((union __wait *)&(x))->w_S.w_Stopval != _WSTOPPED && ((union __wait *)&(x))->w_T.w_Termsig != 0) +#define WIFEXITED(x) (((union __wait *)&(x))->w_S.w_Stopval != _WSTOPPED && ((union __wait *)&(x))->w_T.w_Termsig == 0) +#define WEXITSTATUS(x) (((union __wait *)&(x))->w_T.w_Retcode) +#define WTERMSIG(x) (((union __wait *)&(x))->w_T.w_Termsig) +#define WSTOPSIG(x) (((union __wait *)&(x))->w_S.w_Stopsig) +#endif /* _POSIX_SOURCE */ + +#if !defined(_POSIX_SOURCE) +#define WIFSTOPPED(x) (((union wait *)&(x))->w_stopval == WSTOPPED) +#define WIFSIGNALED(x) (((union wait *)&(x))->w_stopval != WSTOPPED && ((union wait *)&(x))->w_termsig != 0) +#define WIFEXITED(x) (((union wait *)&(x))->w_stopval != WSTOPPED && ((union wait *)&(x))->w_termsig == 0) +#define WEXITSTATUS(x) (((union wait *)&(x))->w_retcode) +#define WTERMSIG(x) (((union wait *)&(x))->w_termsig) +#define WSTOPSIG(x) (((union wait *)&(x))->w_stopsig) +#endif /* !defined(_POSIX_SOURCE) */ + +pid_t wait __P_((int *)); +pid_t waitpid __P_((pid_t, int *, int)); + +#endif /* _SYS_WAIT_H_ */ |