From 1eed88923aacbd664ad501029d84444477ad41b7 Mon Sep 17 00:00:00 2001
From: auronandace <auronandace@googlemail.com>
Date: Mon, 13 Apr 2026 08:52:53 +0100
Subject: [PATCH] verify signal header includes

---
 include/bits/signal.h           | 24 ------------------------
 src/header/signal/cbindgen.toml | 33 ++++++++++++++++++++++++++++++---
 2 files changed, 30 insertions(+), 27 deletions(-)
 delete mode 100644 include/bits/signal.h

diff --git a/include/bits/signal.h b/include/bits/signal.h
deleted file mode 100644
index 6ce7a3480e..0000000000
--- a/include/bits/signal.h
+++ /dev/null
@@ -1,24 +0,0 @@
-#ifndef _BITS_SIGNAL_H
-#define _BITS_SIGNAL_H
-
-#define SIG_DFL ((void (*)(int))0)
-#define SIG_IGN ((void (*)(int))1)
-#define SIG_ERR ((void (*)(int))-1)
-#define SIG_HOLD ((void (*)(int))2)
-
-typedef struct siginfo siginfo_t;
-typedef unsigned long long sigset_t;
-typedef struct ucontext ucontext_t;
-typedef struct mcontext mcontext_t;
-
-struct sigaction {
-  union {
-    void (*sa_handler)(int);
-    void (*sa_sigaction)(int, siginfo_t *, void *);
-  };
-  int sa_flags;
-  void (*sa_restorer)(void);
-  sigset_t sa_mask;
-};
-
-#endif // _BITS_SIGNAL_H
diff --git a/src/header/signal/cbindgen.toml b/src/header/signal/cbindgen.toml
index acfecf56db..1b00793e87 100644
--- a/src/header/signal/cbindgen.toml
+++ b/src/header/signal/cbindgen.toml
@@ -1,8 +1,35 @@
-sys_includes = ["bits/signal.h", "stdint.h", "sys/types.h", "bits/pthread.h", "features.h"]
+# POSIX header spec: https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/signal.h.html
+#
+# Spec quotations relating to includes:
+# - "The <signal.h> header shall define the pthread_t, size_t, and uid_t types as described in <sys/types.h>."
+# - "The <signal.h> header shall define the timespec structure as described in <time.h>."
+# - "pid_t As described in <sys/types.h>."
+# - "The <signal.h> header shall define the pthread_attr_t type as described in <sys/types.h>."
+# - "Inclusion of the <signal.h> header may make visible all symbols from the <time.h> header."
+sys_includes = ["sys/types.h"]
 include_guard = "_RELIBC_SIGNAL_H"
 after_includes = """
-#include <bits/timespec.h> // for timespec
-#include <bits/signal.h>
+#include <bits/timespec.h> // for timespec from time.h
+
+#define SIG_DFL ((void (*)(int))0)
+#define SIG_IGN ((void (*)(int))1)
+#define SIG_ERR ((void (*)(int))-1)
+#define SIG_HOLD ((void (*)(int))2)
+
+typedef struct siginfo siginfo_t;
+typedef unsigned long long sigset_t;
+typedef struct ucontext ucontext_t;
+typedef struct mcontext mcontext_t;
+
+struct sigaction {
+  union {
+    void (*sa_handler)(int);
+    void (*sa_sigaction)(int, siginfo_t *, void *);
+  };
+  int sa_flags;
+  void (*sa_restorer)(void);
+  sigset_t sa_mask;
+};
 """
 language = "C"
 style = "Tag"