[libc-commits] [libc] 30f9ce1 - [libc] add SIG_HOLD for linux/gpu (#165007)

[via libc-commits]

Author: Connector Switch
Date: 2025-10-25T12:34:03+08:00
New Revision: 30f9ce14b439ddb14a9624705ac573d7597d6ce2

URL: https://github.com/llvm/llvm-project/commit/30f9ce14b439ddb14a9624705ac573d7597d6ce2
DIFF: https://github.com/llvm/llvm-project/commit/30f9ce14b439ddb14a9624705ac573d7597d6ce2.diff

LOG: [libc] add SIG_HOLD for linux/gpu (#165007)

Added: 
    

Modified: 
    libc/include/llvm-libc-macros/gpu/signal-macros.h
    libc/include/llvm-libc-macros/linux/signal-macros.h

Removed: 
    


################################################################################
diff  --git a/libc/include/llvm-libc-macros/gpu/signal-macros.h b/libc/include/llvm-libc-macros/gpu/signal-macros.h
index f0d49ea34fe0e..76488e9796fc4 100644
--- a/libc/include/llvm-libc-macros/gpu/signal-macros.h
+++ b/libc/include/llvm-libc-macros/gpu/signal-macros.h
@@ -9,6 +9,8 @@
 #ifndef LLVM_LIBC_MACROS_GPU_SIGNAL_MACROS_H
 #define LLVM_LIBC_MACROS_GPU_SIGNAL_MACROS_H
 
+#include "__llvm-libc-common.h"
+
 #define SIGINT 2
 #define SIGILL 4
 #define SIGABRT 6
@@ -16,9 +18,10 @@
 #define SIGSEGV 11
 #define SIGTERM 15
 
-#define SIG_DFL ((void (*)(int))(0))
-#define SIG_IGN ((void (*)(int))(1))
-#define SIG_ERR ((void (*)(int))(-1))
+#define SIG_ERR __LLVM_LIBC_CAST(reinterpret_cast, void (*)(int), -1)
+#define SIG_DFL __LLVM_LIBC_CAST(reinterpret_cast, void (*)(int), 0)
+#define SIG_IGN __LLVM_LIBC_CAST(reinterpret_cast, void (*)(int), 1)
+#define SIG_HOLD __LLVM_LIBC_CAST(reinterpret_cast, void (*)(int), 2)
 
 // Max signal number
 #define NSIG 64

diff  --git a/libc/include/llvm-libc-macros/linux/signal-macros.h b/libc/include/llvm-libc-macros/linux/signal-macros.h
index d220241a38206..e7f268df87cba 100644
--- a/libc/include/llvm-libc-macros/linux/signal-macros.h
+++ b/libc/include/llvm-libc-macros/linux/signal-macros.h
@@ -9,6 +9,8 @@
 #ifndef LLVM_LIBC_MACROS_LINUX_SIGNAL_MACROS_H
 #define LLVM_LIBC_MACROS_LINUX_SIGNAL_MACROS_H
 
+#include "__llvm-libc-common.h"
+
 #define SIGHUP 1
 #define SIGINT 2
 #define SIGQUIT 3
@@ -86,9 +88,10 @@
 #error "Signal stack sizes not defined for your platform."
 #endif
 
-#define SIG_DFL ((void (*)(int))0)
-#define SIG_IGN ((void (*)(int))1)
-#define SIG_ERR ((void (*)(int))(-1))
+#define SIG_ERR __LLVM_LIBC_CAST(reinterpret_cast, void (*)(int), -1)
+#define SIG_DFL __LLVM_LIBC_CAST(reinterpret_cast, void (*)(int), 0)
+#define SIG_IGN __LLVM_LIBC_CAST(reinterpret_cast, void (*)(int), 1)
+#define SIG_HOLD __LLVM_LIBC_CAST(reinterpret_cast, void (*)(int), 2)
 
 // SIGCHLD si_codes
 #define CLD_EXITED 1    // child has exited