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-rw-r--r--include/sys/sem.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/include/sys/sem.h b/include/sys/sem.h
new file mode 100644
index 00000000..15d8b685
--- /dev/null
+++ b/include/sys/sem.h
@@ -0,0 +1,69 @@
+#ifndef _SYS_SEM_H
+#define _SYS_SEM_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define __NEED_size_t
+#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
+
+struct semid_ds {
+ struct ipc_perm sem_perm;
+ long sem_otime;
+ unsigned long __unused1;
+ long sem_ctime;
+ unsigned long __unused2;
+ unsigned long sem_nsems;
+ unsigned long __unused3;
+ unsigned long __unused4;
+};
+
+#define _SEM_SEMUN_UNDEFINED 1
+
+#define SEM_STAT 18
+#define SEM_INFO 19
+
+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
+#define __NEED_struct_timespec
+#include <bits/alltypes.h>
+int semtimedop(int, struct sembuf *, size_t, const struct timespec *);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+#endif