peter
/
gb
1
0
Fork 0
Code Projects Releases Wiki Activity

Probable timing bug for gb_time_now()

This commit is contained in:
gingerBill 2016-05-08 23:32:32 +01:00
parent e7e50accf9
commit 84ff04269f
1 changed files with 8 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
gb.h
View File

@ -1,4 +1,4 @@
/* gb.h - v0.10a - Ginger Bill's C Helper Library - public domain /* gb.h - v0.10b - Ginger Bill's C Helper Library - public domain
- no warranty implied; use at your own risk - no warranty implied; use at your own risk
This is a single header file with a bunch of useful stuff This is a single header file with a bunch of useful stuff
@ -26,6 +26,7 @@ Conventions used:
Version History: Version History:
0.10b - Probable timing bug for gb_time_now()
0.10a - Work on multiple compilers 0.10a - Work on multiple compilers
0.10 - Scratch Memory Allocator 0.10 - Scratch Memory Allocator
0.09a - Faster Mutex and the Free List is slightly improved 0.09a - Faster Mutex and the Free List is slightly improved
@ -5371,11 +5372,11 @@ gb_inline gbDllProc gb_dll_proc_address(gbDllHandle dll, char const *proc_name)
u64 result = 0; u64 result = 0;
u32 upper, lower,tmp; u32 upper, lower,tmp;
__asm__ volatile( __asm__ volatile(
"0: \n" "0: \n"
"\tmftbu %0 \n" "\tmftbu %0 \n"
"\tmftb %1 \n" "\tmftb %1 \n"
"\tmftbu %2 \n" "\tmftbu %2 \n"
"\tcmpw %2,%0 \n" "\tcmpw %2,%0 \n"
"\tbne 0b \n" "\tbne 0b \n"
: "=r"(upper),"=r"(lower),"=r"(tmp) : "=r"(upper),"=r"(lower),"=r"(tmp)
); );
@ -5419,7 +5420,7 @@ gb_inline gbDllProc gb_dll_proc_address(gbDllHandle dll, char const *proc_name)
struct timespec t; struct timespec t;
f64 result; f64 result;
if (gb__timestart) { if (!gb__timestart) {
mach_timebase_info_data_t tb = {0}; mach_timebase_info_data_t tb = {0};
mach_timebase_info(&tb); mach_timebase_info(&tb);
gb__timebase = tb.numer; gb__timebase = tb.numer;