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41 lines
1.0 KiB
C++
41 lines
1.0 KiB
C++
#include "lib_acl.h"
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#include <stdlib.h>
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#include <stdio.h>
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int main(int argc acl_unused, char *argv[] acl_unused)
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{
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ACL_FILE_HANDLE handle;
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const char *filename = "test.lock";
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char ebuf[256];
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handle = acl_file_open(filename, O_RDWR | O_CREAT, 0600);
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if (handle == ACL_FILE_INVALID) {
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acl_msg_fatal("open file %s error(%s)",
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filename, acl_last_strerror(ebuf, sizeof(ebuf)));
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}
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printf("open %s ok, begin to lock it\r\n", filename);
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if (acl_myflock(handle, ACL_FLOCK_STYLE_FCNTL, ACL_FLOCK_OP_EXCLUSIVE) == -1) {
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acl_msg_error("lock error(%s)", acl_last_strerror(ebuf, sizeof(ebuf)));
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getchar();
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return (-1);
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}
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printf("lock %s ok, enter any key to unlock\r\n", filename);
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getchar();
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if (acl_myflock(handle, ACL_FLOCK_STYLE_FCNTL, ACL_FLOCK_OP_NONE) == -1) {
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acl_msg_error("unlock error(%s)", acl_last_strerror(ebuf, sizeof(ebuf)));
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getchar();
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return (-1);
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}
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printf("unlock %s ok, enter any key to close file\r\n", filename);
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getchar();
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acl_file_close(handle);
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return (0);
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}
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