From f3c41bf8b6dbc12644d2ff38e6f316f2d6a2066e Mon Sep 17 00:00:00 2001
From: Eric Andersen <andersen@codepoet.org>
Date: Thu, 30 May 2002 00:41:03 +0000
Subject: Cope with systems that don't glob all these together, but use
 separate syscalls.  -Erik

---
 libc/misc/sysvipc/sem.c | 44 +++++++++++++++++++++++++++++---------------
 1 file changed, 29 insertions(+), 15 deletions(-)

(limited to 'libc/misc/sysvipc/sem.c')

diff --git a/libc/misc/sysvipc/sem.c b/libc/misc/sysvipc/sem.c
index 2cb85a83e..46b4821a4 100644
--- a/libc/misc/sysvipc/sem.c
+++ b/libc/misc/sysvipc/sem.c
@@ -21,6 +21,7 @@
 #include <sys/sem.h>
 #include "ipc.h"
 
+
 #ifdef L_semctl
 /* Return identifier for array of NSEMS semaphores associated with
    KEY.  */
@@ -35,8 +36,12 @@ union semun
 };
 
 
-int
-semctl (int semid, int semnum, int cmd, ...)
+#ifdef __NR_semctl
+#define __NR___semctl __NR_semctl
+static inline _syscall4(int, __semctl, int, semid, int, semnum, int, cmd, union semun *, arg);
+#endif
+
+int semctl (int semid, int semnum, int cmd, ...)
 {
     union semun arg;
     va_list ap;
@@ -48,32 +53,41 @@ semctl (int semid, int semnum, int cmd, ...)
 
     va_end (ap);
 
+#ifdef __NR_semctl
+    return __semctl(semid, semnum, cmd, &arg);
+#else
     return __ipc(IPCOP_semctl, semid, semnum, cmd, &arg);
+#endif
 }    
 #endif
 
 #ifdef L_semget
-#include <stdlib.h>		/* for definition of NULL */
-/* Return identifier for array of NSEMS semaphores associated with
-   KEY.  */
-int
-semget (key, nsems, semflg)
-    key_t key;
-    int nsems;
-    int semflg;
+/* for definition of NULL */
+#include <stdlib.h>		
+
+#ifdef __NR_semget
+_syscall3(int, semget, key_t, key, int, nsems, int, semflg);
+
+#else
+/* Return identifier for array of NSEMS semaphores associated 
+ * with KEY.  */
+int semget (key_t key, int nsems, int semflg)
 {
     return __ipc(IPCOP_semget, key, nsems, semflg, NULL);
 }
 #endif
+#endif
 
 #ifdef L_semop
+
+#ifdef __NR_semop
+_syscall3(int, semop, int, semid, struct sembuf *, sops, size_t, nsops);
+
+#else
 /* Perform user-defined atomical operation of array of semaphores.  */
-int
-semop (semid, sops, nsops)
-    int semid;
-    struct sembuf *sops;
-    size_t nsops;
+int semop (int semid, struct sembuf *sops, size_t nsops)
 {
     return __ipc(IPCOP_semop, semid, (int) nsops, 0, sops);
 }
 #endif
+#endif
-- 
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