1 /* $OpenBSD: flockfile.c,v 1.8 2012/09/01 01:08:16 fgsch Exp $ */ 2 3 #include <sys/time.h> 4 #include <stdio.h> 5 #include "thread_private.h" 6 7 /* 8 * Subroutine versions of the macros in <stdio.h> 9 * Note that these are all no-ops because libc does not do threads. 10 * Strong implementation of file locking in librthread/rthread_file.c 11 */ 12 13 #undef flockfile 14 #undef ftrylockfile 15 #undef funlockfile 16 17 WEAK_PROTOTYPE(flockfile); 18 WEAK_PROTOTYPE(ftrylockfile); 19 WEAK_PROTOTYPE(funlockfile); 20 21 WEAK_ALIAS(flockfile); 22 WEAK_ALIAS(ftrylockfile); 23 WEAK_ALIAS(funlockfile); 24 25 void 26 WEAK_NAME(flockfile)(FILE * fp) 27 { 28 } 29 30 31 int 32 WEAK_NAME(ftrylockfile)(FILE *fp) 33 { 34 35 return 0; 36 } 37 38 void 39 WEAK_NAME(funlockfile)(FILE * fp) 40 { 41 } 42