psem/psem_unlink.c

This is psem/psem_unlink.c (Listing 53-2, page 1094), an example from the book, The Linux Programming Interface.

The source code file is copyright 2024, Michael Kerrisk, and is licensed under the GNU General Public License, version 3.

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  Cover of The Linux Programming Interface

Function list (Bold in this list means a function is not static)

#include <semaphore.h>
#include "tlpi_hdr.h"
int
main(int argc, char *argv[])
{
    if (argc != 2 || strcmp(argv[1], "--help") == 0)
        usageErr("%s sem-name\n", argv[0]);

    if (sem_unlink(argv[1]) == -1)
        errExit("sem_unlink");
    exit(EXIT_SUCCESS);
}

 

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