implement semtimedop for #927

include/sys/sem.h

@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1995-1999, 2000, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -30,6 +30,11 @@
 /* Get system dependent definition of `struct semid_ds' and more.  */
 #include <bits/sem.h>
 
+#ifdef __USE_GNU
+# define __need_timespec
+# include <time.h>
+#endif
+
 /* The following System V style IPC functions implement a semaphore
    handling.  The definition is found in XPG2.  */
 
@@ -53,6 +58,12 @@ extern int semget (key_t __key, int __nsems, int __semflg) __THROW;
 /* Operate on semaphore.  */
 extern int semop (int __semid, struct sembuf *__sops, size_t __nsops) __THROW;
 
+#ifdef __USE_GNU
+/* Operate on semaphore with timeout.  */
+extern int semtimedop (int __semid, struct sembuf *__sops, size_t __nsops,
+		       __const struct timespec *__timeout) __THROW;
+#endif
+
 __END_DECLS
 
 #endif /* sys/sem.h */

libc/misc/sysvipc/Makefile.in

@@ -5,10 +5,10 @@
 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 #
 
-CSRC := ftok.c
+CSRC := ftok.c __syscall_ipc.c
 
 # multi source sem.c
-CSRC += semget.c semctl.c semop.c
+CSRC += semget.c semctl.c semop.c semtimedop.c
 
 # multi source shm.c
 CSRC += shmat.c shmctl.c shmdt.c shmget.c

libc/sysdeps/linux/common/__syscall_ipc.c → libc/misc/sysvipc/__syscall_ipc.c

@@ -11,7 +11,7 @@
 
 #ifdef __NR_ipc
 #define __NR___syscall_ipc __NR_ipc
-#include "../../../misc/sysvipc/ipc.h"
-_syscall5(int, __syscall_ipc, unsigned int, call, int, first, int, second, int,
-		  third, void *, ptr);
+#include "ipc.h"
+_syscall6(int, __syscall_ipc, unsigned int, call, long, first, long, second, long,
+		  third, void *, ptr, void *, fifth);
 #endif

libc/misc/sysvipc/ipc.h

@@ -12,14 +12,15 @@
 #ifdef __NR_ipc
 
 /* The actual system call: all functions are multiplexed by this.  */
-extern int __syscall_ipc (unsigned int __call, int __first, int __second,
-					  int __third, void *__ptr) attribute_hidden;
+extern int __syscall_ipc (unsigned int __call, long __first, long __second,
+					  long __third, void *__ptr, void *__fifth) attribute_hidden;
 
 
 /* The codes for the functions to use the multiplexer `__syscall_ipc'.  */
 #define IPCOP_semop	 1
 #define IPCOP_semget	 2
 #define IPCOP_semctl	 3
+#define IPCOP_semtimedop 4
 #define IPCOP_msgsnd	11
 #define IPCOP_msgrcv	12
 #define IPCOP_msgget	13

libc/misc/sysvipc/msgq.c

@@ -15,7 +15,7 @@ int msgctl(int msqid, int cmd, struct msqid_ds *buf)
 #ifdef __NR_msgctl
 	return __libc_msgctl(msqid, cmd | __IPC_64, buf);
 #else
-    return __syscall_ipc(IPCOP_msgctl, msqid, cmd | __IPC_64, 0, buf);
+    return __syscall_ipc(IPCOP_msgctl, msqid, cmd | __IPC_64, 0, buf, 0);
 #endif
 }
 #endif
@@ -28,7 +28,7 @@ _syscall2(int, msgget, key_t, key, int, msgflg)
 /* Get messages queue.  */
 int msgget (key_t key, int msgflg)
 {
-    return __syscall_ipc(IPCOP_msgget ,key ,msgflg ,0 ,0);
+    return __syscall_ipc(IPCOP_msgget ,key ,msgflg ,0 ,0, 0);
 }
 #endif
 #endif
@@ -52,7 +52,7 @@ int msgrcv (int msqid, void *msgp, size_t msgsz,
 
     temp.r_msgtyp = msgtyp;
     temp.oldmsg = msgp;
-    return __syscall_ipc(IPCOP_msgrcv ,msqid ,msgsz ,msgflg ,&temp);
+    return __syscall_ipc(IPCOP_msgrcv ,msqid ,msgsz ,msgflg ,&temp, 0);
 }
 #endif
 #endif
@@ -66,7 +66,7 @@ _syscall4(int, msgsnd, int, msqid, const void *, msgp, size_t, msgsz, int, msgfl
 /* Send message to message queue.  */
 int msgsnd (int msqid, const void *msgp, size_t msgsz, int msgflg)
 {
-    return __syscall_ipc(IPCOP_msgsnd, msqid, msgsz, msgflg, (void *)msgp);
+    return __syscall_ipc(IPCOP_msgsnd, msqid, msgsz, msgflg, (void *)msgp, 0);
 }
 #endif
 #endif

libc/misc/sysvipc/sem.c

@@ -53,7 +53,7 @@ int semctl(int semid, int semnum, int cmd, ...)
 #ifdef __NR_semctl
     return __semctl(semid, semnum, cmd | __IPC_64, arg.__pad);
 #else
-    return __syscall_ipc(IPCOP_semctl, semid, semnum, cmd | __IPC_64, &arg);
+    return __syscall_ipc(IPCOP_semctl, semid, semnum, cmd | __IPC_64, &arg, 0);
 #endif
 }
 #endif
@@ -70,7 +70,7 @@ _syscall3(int, semget, key_t, key, int, nsems, int, semflg);
  * with KEY.  */
 int semget (key_t key, int nsems, int semflg)
 {
-    return __syscall_ipc(IPCOP_semget, key, nsems, semflg, NULL);
+    return __syscall_ipc(IPCOP_semget, key, nsems, semflg, NULL, 0);
 }
 #endif
 #endif
@@ -84,7 +84,22 @@ _syscall3(int, semop, int, semid, struct sembuf *, sops, size_t, nsops);
 /* Perform user-defined atomical operation of array of semaphores.  */
 int semop (int semid, struct sembuf *sops, size_t nsops)
 {
-    return __syscall_ipc(IPCOP_semop, semid, (int) nsops, 0, sops);
+    return __syscall_ipc(IPCOP_semop, semid, (int) nsops, 0, sops, 0);
+}
+#endif
+#endif
+
+#ifdef L_semtimedop
+
+#ifdef __NR_semtimedop
+_syscall6(int, semtimedop, int, semid, struct sembuf *, sops, size_t, nsops, const struct timespec *, timeout);
+
+#else
+
+int semtimedop(int semid, struct sembuf *sops, size_t nsops,
+	       const struct timespec *timeout)
+{
+    return __syscall_ipc(IPCOP_semtimedop, semid, nsops, 0, sops, timeout);
 }
 #endif
 #endif

libc/misc/sysvipc/semtimedop.c

@@ -0,0 +1,8 @@
+/*
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#define L_semtimedop
+#include "sem.c"

libc/misc/sysvipc/shm.c

@@ -45,7 +45,7 @@ void * shmat (int shmid, const void *shmaddr, int shmflg)
     int retval;
     unsigned long raddr;
 
-    retval = __syscall_ipc(IPCOP_shmat, shmid, shmflg, (int) &raddr, (void *) shmaddr);
+    retval = __syscall_ipc(IPCOP_shmat, shmid, shmflg, (int) &raddr, (void *) shmaddr, 0);
     return ((unsigned long int) retval > -(unsigned long int) SHMLBA
 	    ? (void *) retval : (void *) raddr);
 }
@@ -63,7 +63,7 @@ int shmctl(int shmid, int cmd, struct shmid_ds *buf)
 #ifdef __NR_shmctl
 	return __libc_shmctl(shmid, cmd | __IPC_64, buf);
 #else
-    return __syscall_ipc(IPCOP_shmctl, shmid, cmd | __IPC_64, 0, buf);
+    return __syscall_ipc(IPCOP_shmctl, shmid, cmd | __IPC_64, 0, buf, 0);
 #endif
 }
 #endif
@@ -77,7 +77,7 @@ _syscall1(int, shmdt, const void *, shmaddr);
 #else
 int shmdt (const void *shmaddr)
 {
-    return __syscall_ipc(IPCOP_shmdt, 0, 0, 0, (void *) shmaddr);
+    return __syscall_ipc(IPCOP_shmdt, 0, 0, 0, (void *) shmaddr, 0);
 }
 #endif
 #endif
@@ -90,7 +90,7 @@ _syscall3(int, shmget, key_t, key, size_t, size, int, shmflg);
 #else
 int shmget (key_t key, size_t size, int shmflg)
 {
-    return __syscall_ipc(IPCOP_shmget, key, size, shmflg, NULL);
+    return __syscall_ipc(IPCOP_shmget, key, size, shmflg, NULL, 0);
 }
 #endif
 #endif