?? semcreate.c
字號:
#include "unpipc.h"
int
main(int argc, char **argv)
{
int c, oflag, semid, nsems;
oflag = SVSEM_MODE | IPC_CREAT;
while ( (c = Getopt(argc, argv, "e")) != -1) {
switch (c) {
case 'e':
oflag |= IPC_EXCL;
break;
}
}
if (optind != argc - 2)
err_quit("usage: semcreate [ -e ] <pathname> <nsems>");
nsems = atoi(argv[optind + 1]);
semid = Semget(Ftok(argv[optind], 0), nsems, oflag);
exit(0);
}
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