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Annotation of researchv10no/cmd/uucp/rmlock.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * remove uucp lock files if idle
                      3:  * assume it really is a lockfile;
                      4:  * assume ascii locks for now (it's easy to fix)
                      5:  */
                      6: 
                      7: #include <stdio.h>
                      8: 
                      9: #define        HUGE    30000
                     10: 
                     11: main(argc, argv)
                     12: int argc;
                     13: char **argv;
                     14: {
                     15:        FILE *fp;
                     16:        int pid;
                     17: 
                     18:        if (argc <= 1) {
                     19:                fprintf(stderr, "usage: %s lockfile ...\n", argv[0]);
                     20:                exit(1);
                     21:        }
                     22:        while (--argc > 0) {
                     23:                if ((fp = fopen(*++argv, "r")) == NULL) {
                     24:                        fprintf(stderr, "%s: cannot open\n", *argv);
                     25:                        continue;
                     26:                }
                     27:                if (fscanf(fp, "%d", &pid) != 1 || pid <= 0) {
                     28:                        fprintf(stderr, "%s: bad format\n", *argv);
                     29:                        continue;
                     30:                }
                     31:                if (kill(pid, 0) >= 0
                     32:                ||  errno != ESRCH)
                     33:                        continue;
                     34:                unlink(*argv);
                     35:        }
                     36:        exit(0);
                     37: }

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