[compiler-rt] 291e3a8 - [compiler-rt] Update Fuchsia sanitizer sched_yield

[Petr Hosek via llvm-commits]

Author: Petr Hosek
Date: 2022-07-01T17:25:57Z
New Revision: 291e3a85658e264a2918298e804972bd68681af8

URL: https://github.com/llvm/llvm-project/commit/291e3a85658e264a2918298e804972bd68681af8
DIFF: https://github.com/llvm/llvm-project/commit/291e3a85658e264a2918298e804972bd68681af8.diff

LOG: [compiler-rt] Update Fuchsia sanitizer sched_yield

Fuchsia has split overloaded nanosleep(0) for yielding to its own
dedicated syscall, so valid zero deadlines would just return.

Patch By: gevalentino

Differential Revision: https://reviews.llvm.org/D128748

Added: 
    

Modified: 
    compiler-rt/lib/sanitizer_common/sanitizer_fuchsia.cpp

Removed: 
    


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diff  --git a/compiler-rt/lib/sanitizer_common/sanitizer_fuchsia.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_fuchsia.cpp
index d8cf93ecbeca2..e253b67fc484f 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_fuchsia.cpp
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_fuchsia.cpp
@@ -32,7 +32,7 @@ namespace __sanitizer {
 void NORETURN internal__exit(int exitcode) { _zx_process_exit(exitcode); }
 
 uptr internal_sched_yield() {
-  zx_status_t status = _zx_nanosleep(0);
+  zx_status_t status = _zx_thread_legacy_yield(0u);
   CHECK_EQ(status, ZX_OK);
   return 0;  // Why doesn't this return void?
 }