c11/threads: Re-align return values for timed waits

They're supposed to return thrd_timedout (which we mistakenly named
thrd_timeout), not thrd_busy.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13427>

3 files changed, 6 insertions, 6 deletions

diff --git a/include/c11/threads.h b/include/c11/threads.h
index 3c3f23a8ab8..790f52cb49f 100644
--- a/include/c11/threads.h
+++ b/include/c11/threads.h
@@ -52,7 +52,7 @@ enum {
 
 enum {
     thrd_success = 0, // succeeded
-    thrd_timeout,     // timeout
+    thrd_timedout,    // timed out
     thrd_error,       // failed
     thrd_busy,        // resource busy
     thrd_nomem        // out of memory
diff --git a/include/c11/threads_posix.h b/include/c11/threads_posix.h
index 45cb6075e6e..802526a77c8 100644
--- a/include/c11/threads_posix.h
+++ b/include/c11/threads_posix.h
@@ -142,7 +142,7 @@ cnd_timedwait(cnd_t *cond, mtx_t *mtx, const struct timespec *abs_time)
 
     rt = pthread_cond_timedwait(cond, mtx, abs_time);
     if (rt == ETIMEDOUT)
-        return thrd_busy;
+        return thrd_timedout;
     return (rt == 0) ? thrd_success : thrd_error;
 }
 
@@ -242,14 +242,14 @@ mtx_timedlock(mtx_t *mtx, const struct timespec *ts)
     rt = pthread_mutex_timedlock(mtx, ts);
     if (rt == 0)
         return thrd_success;
-    return (rt == ETIMEDOUT) ? thrd_busy : thrd_error;
+    return (rt == ETIMEDOUT) ? thrd_timedout : thrd_error;
 #else
     time_t expire = time(NULL);
     expire += ts->tv_sec;
     while (mtx_trylock(mtx) != thrd_success) {
         time_t now = time(NULL);
         if (expire < now)
-            return thrd_busy;
+            return thrd_timedout;
         // busy loop!
         thrd_yield();
     }
diff --git a/include/c11/threads_win32.h b/include/c11/threads_win32.h
index 02c2a73dda1..8c014fab45c 100644
--- a/include/c11/threads_win32.h
+++ b/include/c11/threads_win32.h
@@ -259,7 +259,7 @@ cnd_timedwait(cnd_t *cond, mtx_t *mtx, const struct timespec *abs_time)
     const DWORD timeout = impl_abs2relmsec(abs_time);
     if (SleepConditionVariableCS(cond, mtx, timeout))
         return thrd_success;
-    return (GetLastError() == ERROR_TIMEOUT) ? thrd_busy : thrd_error;
+    return (GetLastError() == ERROR_TIMEOUT) ? thrd_timedout : thrd_error;
 #else
     return thrd_error;
 #endif
@@ -317,7 +317,7 @@ mtx_timedlock(mtx_t *mtx, const struct timespec *ts)
 #ifdef HAVE_TIMESPEC_GET
     while (mtx_trylock(mtx) != thrd_success) {
         if (impl_abs2relmsec(ts) == 0)
-            return thrd_busy;
+            return thrd_timedout;
         // busy loop!
         thrd_yield();
     }