Return to wait_.c CVS log

Up to [CSRG BSD Unix] / 42BSD / usr.lib / libU77

Annotation of 42BSD/usr.lib/libU77/wait_.c, revision 1.1

1.1     ! root        1: /*
        !             2: char id_wait[] = "@(#)wait_.c  1.1";
        !             3:  *
        !             4:  * wait for a child to die
        !             5:  *
        !             6:  * calling sequence:
        !             7:  *     integer wait, status, chilid
        !             8:  *     chilid = wait(status)
        !             9:  * where:
        !            10:  *     chilid will be  - >0 if child process id
        !            11:  *                     - <0 if (negative of) system error code
        !            12:  *     status will contain the exit status of the child
        !            13:  *             (see wait(2))
        !            14:  */
        !            15: 
        !            16: extern int errno;
        !            17: 
        !            18: long wait_(status)
        !            19: long *status;
        !            20: {
        !            21:        int stat;
        !            22:        int chid = wait(&stat);
        !            23:        if (chid < 0)
        !            24:                return((long)(-errno));
        !            25:        *status = (long)stat;
        !            26:        return((long)chid);
        !            27: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.