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researchv10 Norman
/*
* remove uucp lock files if idle
* assume it really is a lockfile;
* assume ascii locks for now (it's easy to fix)
*/
#include <stdio.h>
#define HUGE 30000
main(argc, argv)
int argc;
char **argv;
{
FILE *fp;
int pid;
if (argc <= 1) {
fprintf(stderr, "usage: %s lockfile ...\n", argv[0]);
exit(1);
}
while (--argc > 0) {
if ((fp = fopen(*++argv, "r")) == NULL) {
fprintf(stderr, "%s: cannot open\n", *argv);
continue;
}
if (fscanf(fp, "%d", &pid) != 1 || pid <= 0) {
fprintf(stderr, "%s: bad format\n", *argv);
continue;
}
if (kill(pid, 0) >= 0
|| errno != ESRCH)
continue;
unlink(*argv);
}
exit(0);
}
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