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Annotation of coherent/f/usr/include.78/sys/wait.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * /usr/include/sys/wait.h
                      3:  *
                      4:  * Support for wait() and waitpid() system calls.
                      5:  *
                      6:  * Revised Mon Mar 22 13:10:53 1993 CST
                      7:  */
                      8: 
                      9: #ifndef        __SYS_WAIT_H__
                     10: #define        __SYS_WAIT_H__
                     11: 
                     12: /*
                     13:  * This header is defined in the POSIX.1 standard ISO/IEC 9945-1:1990, and as
                     14:  * such client programs which include this header should not use any symbols
                     15:  * which end in "_t".
                     16:  */
                     17: 
                     18: /*
                     19:  * The contents of this header are also defined by the provisions of binary
                     20:  * compatibility standards such as the iBCS2 specification and the System V
                     21:  * ABI. The visibility of certain symbols defined by those standards may be
                     22:  * controlled by feature-test macros such as _SYSV3 for iBCS2, and _SYSV4 for
                     23:  * System V, Release 4.
                     24:  */
                     25: 
                     26: #include <sys/ccompat.h>
                     27: #include <sys/__pid.h>
                     28: 
                     29: 
                     30: #define        __WSIGMASK              0x7F
                     31: #define        __WSTOPFLG              0x7F
                     32: 
                     33: #if    _SYSV4
                     34: 
                     35: # define       WEXITED         0x01
                     36: # define       WTRAPPED        0x02
                     37: 
                     38: # define       WSTOPFLG        __WSTOPFLG
                     39: # define       WCOREFLG        0x80
                     40: 
                     41: # define       WCONTINUED      0x08
                     42: # define       WNOWAIT         0x80
                     43: 
                     44: # define       WCOREDUMP(stat) ((stat) & WCOREFLG)
                     45: 
                     46: #endif
                     47: 
                     48: 
                     49: #define        WUNTRACED       0x04
                     50: #define        WNOHANG         0x40
                     51: 
                     52: 
                     53: #define        __WLOBYTE(stat)         ((stat) & 0xFF)
                     54: #define        __WHIBYTE(stat)         (((stat) >> 8) & 0xFF)
                     55: 
                     56: #define        WIFEXITED(stat)         (__WLOBYTE (stat) == 0)
                     57: #define        WEXITSTATUS(stat)       (__WHIBYTE (stat))
                     58: 
                     59: #define        WIFSIGNALED(stat)       (__WLOBYTE (stat) > 0 && __WHIBYTE (stat) == 0)
                     60: #define        WTERMSIG(stat)          (__WLOBYTE (stat) & __WSIGMASK)
                     61: 
                     62: #define        WIFSTOPPED(stat)        (__WLOBYTE (stat) == __WSTOPFLG && \
                     63:                                 __WHIBYTE (stat) != 0)
                     64: #define        WSTOPSIG(stat)          (__WHIBYTE (stat))
                     65: 
                     66: 
                     67: __EXTERN_C_BEGIN__
                     68: 
                     69: __pid_t                wait            __PROTO ((int * _stat_loc));
                     70: __pid_t                waitpid         __PROTO ((__pid_t _pid, int * _stat_loc,
                     71:                                          int _options));
                     72: 
                     73: __EXTERN_C_END__
                     74: 
                     75: #endif /* ! defined (__SYS_WAIT_H__) */

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