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Fix darwin's futex implementation in the compiler

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This commit is contained in:
gingerBill
2023-01-02 21:53:41 +00:00
parent 318d92f9a8
commit 52b319dbfd
1 changed files with 36 additions and 37 deletions
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src/threading.cpp
+36 -37
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@@ -548,9 +548,9 @@ gb_internal void futex_wait(Futex *addr, Footex val) {
#include <sys/futex.h> #include <sys/futex.h>
gb_internal void futex_signal(Futex *addr) { gb_internal void futex_signal(Futex *f) {
for (;;) { for (;;) {
int ret = futex((volatile uint32_t *)addr, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1, NULL, NULL); int ret = futex((volatile uint32_t *)f, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1, NULL, NULL);
if (ret == -1) { if (ret == -1) {
if (errno == ETIMEDOUT || errno == EINTR) { if (errno == ETIMEDOUT || errno == EINTR) {
continue; continue;
@@ -565,9 +565,9 @@ gb_internal void futex_signal(Futex *addr) {
} }
gb_internal void futex_broadcast(Futex *addr) { gb_internal void futex_broadcast(Futex *f) {
for (;;) { for (;;) {
int ret = futex((volatile uint32_t *)addr, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, INT32_MAX, NULL, NULL); int ret = futex((volatile uint32_t *)f, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, INT32_MAX, NULL, NULL);
if (ret == -1) { if (ret == -1) {
if (errno == ETIMEDOUT || errno == EINTR) { if (errno == ETIMEDOUT || errno == EINTR) {
continue; continue;
@@ -581,11 +581,11 @@ gb_internal void futex_broadcast(Futex *addr) {
} }
} }
gb_internal void futex_wait(Futex *addr, Footex val) { gb_internal void futex_wait(Futex *f, Footex val) {
for (;;) { for (;;) {
int ret = futex((volatile uint32_t *)addr, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, val, NULL, NULL); int ret = futex((volatile uint32_t *)f, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, val, NULL, NULL);
if (ret == -1) { if (ret == -1) {
if (*addr != val) { if (*f != val) {
return; return;
} }
@@ -607,9 +607,9 @@ gb_internal void futex_wait(Futex *addr, Footex val) {
extern "C" int __ulock_wait(uint32_t operation, void *addr, uint64_t value, uint32_t timeout); /* timeout is specified in microseconds */ extern "C" int __ulock_wait(uint32_t operation, void *addr, uint64_t value, uint32_t timeout); /* timeout is specified in microseconds */
extern "C" int __ulock_wake(uint32_t operation, void *addr, uint64_t wake_value); extern "C" int __ulock_wake(uint32_t operation, void *addr, uint64_t wake_value);
gb_internal void futex_signal(Futex *addr) { gb_internal void futex_signal(Futex *f) {
for (;;) { for (;;) {
int ret = __ulock_wake(UL_COMPARE_AND_WAIT | ULF_NO_ERRNO, addr, 0); int ret = __ulock_wake(UL_COMPARE_AND_WAIT | ULF_NO_ERRNO, f, 0);
if (ret >= 0) { if (ret >= 0) {
return; return;
} }
@@ -623,28 +623,28 @@ gb_internal void futex_signal(Futex *addr) {
} }
} }
gb_internal void futex_broadcast(Futex *addr) { gb_internal void futex_broadcast(Futex *f) {
for (;;) {
int ret = __ulock_wake(UL_COMPARE_AND_WAIT | ULF_NO_ERRNO, addr, 0);
if (ret >= 0) {
return;
}
if (ret == EINTR || ret == EFAULT) {
continue;
}
if (ret == ENOENT) {
return;
}
GB_PANIC("Failed in futex wake!\n");
}
}
gb_internal void futex_wait(Futex *addr, Footex val) {
for (;;) { for (;;) {
enum { ULF_WAKE_ALL = 0x00000100 }; enum { ULF_WAKE_ALL = 0x00000100 };
int ret = __ulock_wait(UL_COMPARE_AND_WAIT | ULF_NO_ERRNO | ULF_WAKE_ALL, addr, val, 0); int ret = __ulock_wake(UL_COMPARE_AND_WAIT | ULF_NO_ERRNO | ULF_WAKE_ALL, f, 0);
if (ret >= 0) { if (ret >= 0) {
if (*addr != val) { return;
}
if (ret == EINTR || ret == EFAULT) {
continue;
}
if (ret == ENOENT) {
return;
}
GB_PANIC("Failed in futex wake!\n");
}
}
gb_internal void futex_wait(Futex *f, Footex val) {
for (;;) {
int ret = __ulock_wait(UL_COMPARE_AND_WAIT | ULF_NO_ERRNO, f, val, 0);
if (ret >= 0) {
if (*f != val) {
return; return;
} }
continue; continue;
@@ -661,19 +661,18 @@ gb_internal void futex_wait(Futex *addr, Footex val) {
} }
#elif defined(GB_SYSTEM_WINDOWS) #elif defined(GB_SYSTEM_WINDOWS)
gb_internal void futex_signal(Futex *addr) { gb_internal void futex_signal(Futex *f) {
WakeByAddressSingle((void *)addr); WakeByAddressSingle(f);
} }
gb_internal void futex_broadcast(Futex *addr) { gb_internal void futex_broadcast(Futex *f) {
WakeByAddressAll((void *)addr); WakeByAddressAll(f);
} }
gb_internal void futex_wait(Futex *addr, Footex val) { gb_internal void futex_wait(Futex *f, Footex val) {
for (;;) { do {
WaitOnAddress(addr, (void *)&val, sizeof(val), INFINITE); WaitOnAddress(f, (void *)&val, sizeof(val), INFINITE);
if (*addr != val) break; } while (f->load() == val);
}
} }
#endif #endif