🚀 go-pugleaf

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: It is different between SYSV and BSD, try flock() or lockf().
: man flock
: or
: man lockf
: to get help, good luck!

        �ҵ�����Solaris2.5.2�£����æ��һ�������

#include <stdio.h>
#include <sys/file.h>

main()
{
   FILE *fp;

   fp=fopen("file_to_lock", "r");
   flock("file_to_lock", LOCK_EX);
   printf("file is being lock, to unlock , press <enter>\n");
   getchar();
   flock("file_to_lock", LOCK_UN);
   fclose(fp);
   return;
}


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