ntdll: Implement NtYieldExecution() as usleep().

Signed-off-by: Matteo Bruni <mbruni@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

ntdll: Implement NtYieldExecution() as usleep().
b1a79c6b · Matteo Bruni · Alexandre Julliard · ae1f9899 · b1a79c6b · b1a79c6b
Commit b1a79c6b authored Oct 06, 2021 by Matteo Bruni Committed by Alexandre Julliard Oct 07, 2021
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configure configure +0 -1

configure.ac configure.ac +0 -1

sync.c dlls/ntdll/unix/sync.c +1 -5

config.h.in include/config.h.in +0 -3

No files found.
--- a/configure
+++ b/configure
@@ -17913,7 +17913,6 @@ for ac_func in \
 	posix_fallocate \
 	prctl \
 	proc_pidinfo \
-	sched_yield \
 	setproctitle \
 	setprogname \
 	sigprocmask \

--- a/configure.ac
+++ b/configure.ac
@@ -2145,7 +2145,6 @@ AC_CHECK_FUNCS(\
 	posix_fallocate \
 	prctl \
 	proc_pidinfo \
-	sched_yield \
 	setproctitle \
 	setprogname \
 	sigprocmask \

--- a/dlls/ntdll/unix/sync.c
+++ b/dlls/ntdll/unix/sync.c
@@ -1505,12 +1505,8 @@ NTSTATUS WINAPI NtSignalAndWaitForSingleObject( HANDLE signal, HANDLE wait,
 */
 NTSTATUS WINAPI NtYieldExecution(void)
 {
-#ifdef HAVE_SCHED_YIELD
-    sched_yield();
+    usleep(0);
    return STATUS_SUCCESS;
-#else
-    return STATUS_NO_YIELD_PERFORMED;
-#endif
 }



--- a/include/config.h.in
+++ b/include/config.h.in
@@ -519,9 +519,6 @@
 /* Define to 1 if you have the `sched_setaffinity' function. */
 #undef HAVE_SCHED_SETAFFINITY

-/* Define to 1 if you have the `sched_yield' function. */
-#undef HAVE_SCHED_YIELD
-
 /* Define to 1 if `cmd' is a member of `scsireq_t'. */
 #undef HAVE_SCSIREQ_T_CMD