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Diffstat (limited to 'newlib/libc/time/tzlock.c')
-rw-r--r-- | newlib/libc/time/tzlock.c | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/newlib/libc/time/tzlock.c b/newlib/libc/time/tzlock.c deleted file mode 100644 index 66fa1c366..000000000 --- a/newlib/libc/time/tzlock.c +++ /dev/null @@ -1,44 +0,0 @@ -/* -FUNCTION -<<__tz_lock>>, <<__tz_unlock>>--lock time zone global variables - -INDEX - __tz_lock -INDEX - __tz_unlock - -ANSI_SYNOPSIS - #include "local.h" - void __tz_lock (void); - void __tz_unlock (void); - -TRAD_SYNOPSIS - void __tz_lock(); - void __tz_unlock(); - -DESCRIPTION -The <<tzset>> facility functions call these functions when they need -to ensure the values of global variables. The version of these routines supplied -in the library do not do anything. If multiple threads of execution -can call the time functions and give up scheduling in the middle, then you -you need to define your own versions of these functions in order to -safely lock the time zone variables during a call. If you do not, the results -of <<localtime>>, <<mktime>>, <<ctime>>, and <<strftime>> are undefined. - -The lock <<__tz_lock>> may not be called recursively; that is, -a call <<__tz_lock>> will always lock all subsequent <<__tz_lock>> calls -until the corresponding <<__tz_unlock>> call on the same thread is made. -*/ - -#include <_ansi.h> -#include "local.h" - -_VOID -_DEFUN_VOID (__tz_lock) -{ -} - -_VOID -_DEFUN_VOID (__tz_unlock) -{ -} |