From 294b585994da4427ac98a8353ff41aed5f301d54 Mon Sep 17 00:00:00 2001
From: pk33 <pk33@pk33.space>
Date: Fri, 1 Nov 2024 23:51:15 +0100
Subject: Import and fix old code

---
 include/musl/sys/sem.h | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 include/musl/sys/sem.h

(limited to 'include/musl/sys/sem.h')

diff --git a/include/musl/sys/sem.h b/include/musl/sys/sem.h
new file mode 100644
index 0000000..a747784
--- /dev/null
+++ b/include/musl/sys/sem.h
@@ -0,0 +1,72 @@
+#ifndef _SYS_SEM_H
+#define _SYS_SEM_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <features.h>
+
+#define __NEED_size_t
+#define __NEED_pid_t
+#define __NEED_time_t
+#ifdef _GNU_SOURCE
+#define __NEED_struct_timespec
+#endif
+#include <bits/alltypes.h>
+
+#include <sys/ipc.h>
+
+#define SEM_UNDO	0x1000
+#define GETPID		11
+#define GETVAL		12
+#define GETALL		13
+#define GETNCNT		14
+#define GETZCNT		15
+#define SETVAL		16
+#define SETALL		17
+
+#include <bits/sem.h>
+
+#define _SEM_SEMUN_UNDEFINED 1
+
+#define SEM_STAT (18 | (IPC_STAT & 0x100))
+#define SEM_INFO 19
+#define SEM_STAT_ANY (20 | (IPC_STAT & 0x100))
+
+struct  seminfo {
+	int semmap;
+	int semmni;
+	int semmns;
+	int semmnu;
+	int semmsl;
+	int semopm;
+	int semume;
+	int semusz;
+	int semvmx;
+	int semaem;
+};
+
+struct sembuf {
+	unsigned short sem_num;
+	short sem_op;
+	short sem_flg;
+};
+
+int semctl(int, int, int, ...);
+int semget(key_t, int, int);
+int semop(int, struct sembuf *, size_t);
+
+#ifdef _GNU_SOURCE
+int semtimedop(int, struct sembuf *, size_t, const struct timespec *);
+#endif
+
+#if _REDIR_TIME64
+#ifdef _GNU_SOURCE
+__REDIR(semtimedop, __semtimedop_time64);
+#endif
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+#endif
-- 
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