DevKit7/libctru
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix using clock_gettime internally

Browse Source
This commit is contained in:
Chris Feger 2023-09-14 10:47:47 -07:00
parent a50a91c160
commit 61a3d41f79
1 changed files with 16 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
libctru/source/synchronization.c
View File

@ -4,6 +4,7 @@
#include <3ds/svc.h>
#include <3ds/result.h>
#include <3ds/synchronization.h>
#include <3ds/os.h>
#define RES_IS_TIMEOUT(res) (R_DESCRIPTION(res) == RD_TIMEOUT)
@ -12,6 +13,15 @@ static inline s64 calc_new_timeout(s64 timeout_ns, struct timespec* startTime, s
return timeout_ns - (currentTime->tv_sec - startTime->tv_sec) * 1000000000ULL - (currentTime->tv_nsec - startTime->tv_nsec);
}
static inline void get_current_time(struct timespec* tp)
{
// Use the ticks directly, as it offer the highest precision
u64 ticks_since_boot = svcGetSystemTick();
tp->tv_sec = ticks_since_boot / SYSCLOCK_ARM11;
tp->tv_nsec = ((ticks_since_boot % SYSCLOCK_ARM11) * 1000000000ULL) / SYSCLOCK_ARM11;
}
static Handle arbiter;
Result __sync_init(void)
@ -114,7 +124,7 @@ int LightLock_LockTimeout(LightLock* lock, s64 timeout_ns)
if (bAlreadyLocked)
{
struct timespec startTime;
clock_gettime(CLOCK_MONOTONIC, &startTime);
get_current_time(&startTime);
struct timespec currentTime = startTime;
// While the lock is held by a different thread:
@ -144,7 +154,7 @@ int LightLock_LockTimeout(LightLock* lock, s64 timeout_ns)
__clrex();
// Get the time for the new wait as well
clock_gettime(CLOCK_MONOTONIC, &currentTime);
get_current_time(&currentTime);
break;
}
} while (__strex(lock, val));
@ -421,7 +431,7 @@ int LightEvent_WaitTimeout(LightEvent* event, s64 timeout_ns)
Result res = 0;
struct timespec startTime;
clock_gettime(CLOCK_MONOTONIC, &startTime);
get_current_time(&startTime);
struct timespec currentTime = startTime;
for(;;)
@ -450,7 +460,7 @@ int LightEvent_WaitTimeout(LightEvent* event, s64 timeout_ns)
return 1;
}
clock_gettime(CLOCK_MONOTONIC, &currentTime);
get_current_time(&currentTime);
}
}
@ -496,7 +506,7 @@ int LightSemaphore_AcquireTimeout(LightSemaphore* semaphore, s32 count, s64 time
s16 num_threads_acq;
struct timespec startTime;
clock_gettime(CLOCK_MONOTONIC, &startTime);
get_current_time(&startTime);
struct timespec currentTime = startTime;
do
@ -521,7 +531,7 @@ int LightSemaphore_AcquireTimeout(LightSemaphore* semaphore, s32 count, s64 time
return 1;
}
clock_gettime(CLOCK_MONOTONIC, &currentTime);
get_current_time(&currentTime);
do
num_threads_acq = (s16)__ldrexh((u16 *)&semaphore->num_threads_acq);