Replace sync with sync2

core/sync/primitives_pthreads.odin

@@ -0,0 +1,58 @@
+//+build linux, freebsd, openbsd
+//+private
+package sync2
+
+import "core:time"
+import "core:sys/unix"
+
+_Mutex_State :: enum i32 {
+	Unlocked = 0,
+	Locked   = 1,
+	Waiting  = 2,
+}
+_Mutex :: struct {
+	pthread_mutex: unix.pthread_mutex_t,
+}
+
+_mutex_lock :: proc(m: ^Mutex) {
+	err := unix.pthread_mutex_lock(&m.impl.pthread_mutex)
+	assert(err == 0)
+}
+
+_mutex_unlock :: proc(m: ^Mutex) {
+	err := unix.pthread_mutex_unlock(&m.impl.pthread_mutex)
+	assert(err == 0)
+}
+
+_mutex_try_lock :: proc(m: ^Mutex) -> bool {
+	err := unix.pthread_mutex_trylock(&m.impl.pthread_mutex)
+	return err == 0
+}
+
+_Cond :: struct {
+	pthread_cond: unix.pthread_cond_t,
+}
+
+_cond_wait :: proc(c: ^Cond, m: ^Mutex) {
+	err := unix.pthread_cond_wait(&c.impl.pthread_cond, &m.impl.pthread_mutex)
+	assert(err == 0)
+}
+
+
+_cond_wait_with_timeout :: proc(c: ^Cond, m: ^Mutex, duration: time.Duration) -> bool {
+	tv_sec  := i64(duration/1e9)
+	tv_nsec := i64(duration%1e9)
+	err := unix.pthread_cond_timedwait(&c.impl.pthread_cond, &m.impl.pthread_mutex, &{tv_sec, tv_nsec})
+	return err == 0
+}
+
+
+_cond_signal :: proc(c: ^Cond) {
+	err := unix.pthread_cond_signal(&c.impl.pthread_cond)
+	assert(err == 0)
+}
+
+_cond_broadcast :: proc(c: ^Cond) {
+	err := unix.pthread_cond_broadcast(&c.impl.pthread_cond)
+	assert(err == 0)
+}