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Red Hat Bugzilla – Attachment 661369 Details for
Bug 856985
Lock migration
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Program to test lock migration.
lock.c (text/x-csrc), 807 bytes, created by
Sachidananda Urs
on 2012-12-11 10:47:27 UTC
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Description:
Program to test lock migration.
Filename:
MIME Type:
Creator:
Sachidananda Urs
Created:
2012-12-11 10:47:27 UTC
Size:
807 bytes
patch
obsolete
>#include <sys/types.h> >#include <sys/stat.h> >#include <string.h> >#include <unistd.h> >#include <fcntl.h> >#include <stdio.h> >#include <err.h> >#include <errno.h> > >int >main(int argc, char **argv) >{ > int fd; > int lret; > char *filename; > > if (argc != 2) { > printf("Usage: %s filename\n", argv[0]); > return 1; > } > filename = argv[1]; > fd = open(filename, O_CREAT|O_RDWR); > if (fd == -1) { > errx(1, "Unable to open %s: %s", filename, strerror(errno)); > } > lret = lockf(fd, F_LOCK, 10); > if (lret == 0) { > printf("Lock succeeded\n"); > getchar(); > } else { > printf("Failed to acquire lock\n"); > } > close(fd); > return 0; >}
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