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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
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15
gb.h
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@ -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
This is a single header file with a bunch of useful stuff
@ -26,6 +26,7 @@ Conventions used:
Version History:
0.10b - Probable timing bug for gb_time_now()
0.10a - Work on multiple compilers
0.10 - Scratch Memory Allocator
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;
u32 upper, lower,tmp;
__asm__ volatile(
"0: \n"
"\tmftbu %0 \n"
"\tmftb %1 \n"
"\tmftbu %2 \n"
"\tcmpw %2,%0 \n"
"0: \n"
"\tmftbu %0 \n"
"\tmftb %1 \n"
"\tmftbu %2 \n"
"\tcmpw %2,%0 \n"
"\tbne 0b \n"
: "=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;
f64 result;
if (gb__timestart) {
if (!gb__timestart) {
mach_timebase_info_data_t tb = {0};
mach_timebase_info(&tb);
gb__timebase = tb.numer;