[libc-commits] [libc] 2c27433 - [libc][sched] Fix generated scheduler prototypes (#195332)

[via libc-commits]

Author: Petter Berntsson
Date: 2026-05-05T18:32:40-07:00
New Revision: 2c2743366efd06f5cadea1bda0f20a99b30d553c

URL: https://github.com/llvm/llvm-project/commit/2c2743366efd06f5cadea1bda0f20a99b30d553c
DIFF: https://github.com/llvm/llvm-project/commit/2c2743366efd06f5cadea1bda0f20a99b30d553c.diff

LOG: [libc][sched] Fix generated scheduler prototypes (#195332)

Fixes generated <sched.h> prototypes for
sched_getscheduler/sched_setscheduler and adds compile-time
public-header coverage

Added: 
    

Modified: 
    libc/include/sched.yaml
    libc/test/include/sched_test.cpp

Removed: 
    


################################################################################
diff  --git a/libc/include/sched.yaml b/libc/include/sched.yaml
index 33731acf4facd..fe0452cbddfce 100644
--- a/libc/include/sched.yaml
+++ b/libc/include/sched.yaml
@@ -94,8 +94,6 @@ functions:
     return_type: int
     arguments:
       - type: pid_t
-      - type: int
-      - type: const struct sched_param *
   - name: sched_rr_get_interval
     standards:
       - POSIX
@@ -124,6 +122,8 @@ functions:
     return_type: int
     arguments:
       - type: pid_t
+      - type: int
+      - type: const struct sched_param *
   - name: sched_yield
     standards:
       - POSIX

diff  --git a/libc/test/include/sched_test.cpp b/libc/test/include/sched_test.cpp
index 2a189a571b13f..0838dbf24ad4c 100644
--- a/libc/test/include/sched_test.cpp
+++ b/libc/test/include/sched_test.cpp
@@ -23,4 +23,12 @@ static_assert(SameType<decltype(CPU_COUNT((cpu_set_t *)0)), int>::value, "");
 static_assert(SameType<decltype(CPU_SET(0, (cpu_set_t *)0)), void>::value, "");
 static_assert(SameType<decltype(CPU_ISSET(0, (cpu_set_t *)0)), int>::value, "");
 
+using SchedGetSchedulerT = int(pid_t) noexcept;
+using SchedSetSchedulerT = int(pid_t, int, const struct sched_param *) noexcept;
+
+static_assert(SameType<decltype(sched_getscheduler), SchedGetSchedulerT>::value,
+              "");
+static_assert(SameType<decltype(sched_setscheduler), SchedSetSchedulerT>::value,
+              "");
+
 extern "C" int main() { return 0; }