diff options
Diffstat (limited to 'libc/misc/sysvipc')
-rw-r--r-- | libc/misc/sysvipc/Makefile | 9 | ||||
-rw-r--r-- | libc/misc/sysvipc/msgq.c | 52 |
2 files changed, 60 insertions, 1 deletions
diff --git a/libc/misc/sysvipc/Makefile b/libc/misc/sysvipc/Makefile index d94531788..8280137ca 100644 --- a/libc/misc/sysvipc/Makefile +++ b/libc/misc/sysvipc/Makefile @@ -31,10 +31,13 @@ MOBJ=semget.o semctl.o semop.o MSRC2=shm.c MOBJ2=shmat.o shmctl.o shmdt.o shmget.o +MSRC3=msgq.c +MOBJ3=msgctl.o msgget.o msgrcv.o msgsnd.o + CSRC = ftok.c COBJS=$(patsubst %.c,%.o, $(CSRC)) -OBJS=$(MOBJ) $(MOBJ2) $(COBJS) +OBJS=$(MOBJ) $(MOBJ2) $(MOBJ3) $(COBJS) all: $(OBJS) $(LIBC) @@ -52,6 +55,10 @@ $(MOBJ2): $(MSRC2) $(CC) $(CFLAGS) -DL_$* $< -c -o $*.o $(STRIPTOOL) -x -R .note -R .comment $*.o +$(MOBJ3): $(MSRC3) + $(CC) $(CFLAGS) -DL_$* $< -c -o $*.o + $(STRIPTOOL) -x -R .note -R .comment $*.o + $(COBJS): %.o : %.c $(CC) $(CFLAGS) -c $< -o $@ $(STRIPTOOL) -x -R .note -R .comment $*.o diff --git a/libc/misc/sysvipc/msgq.c b/libc/misc/sysvipc/msgq.c new file mode 100644 index 000000000..f373c1611 --- /dev/null +++ b/libc/misc/sysvipc/msgq.c @@ -0,0 +1,52 @@ +#include <errno.h> +#include <sys/msg.h> +#include "ipc.h" + + +#ifdef L_msgctl +/* Message queue control operation. */ +int msgctl (int msqid, int cmd, struct msqid_ds *buf) +{ + return __ipc(IPCOP_msgctl ,msqid ,cmd ,0 ,buf); +} +#endif + + +#ifdef L_msgget +/* Get messages queue. */ +int msgget (key_t key, int msgflg) +{ + return __ipc(IPCOP_msgget ,key ,msgflg ,0 ,0); +} +#endif + + +struct new_msg_buf{ + struct msgbuf * oldmsg; + long int r_msgtyp; /* the fifth arg of __ipc */ +}; +/* Receive message from message queue. */ + + +#ifdef L_msgrcv +int msgrcv (int msqid, void *msgp, size_t msgsz, + long int msgtyp, int msgflg) +{ + struct new_msg_buf temp; + + temp.r_msgtyp = msgtyp; + temp.oldmsg = msgp; + return __ipc(IPCOP_msgrcv ,msqid ,msgsz ,msgflg ,&temp); +} +#endif + + + +#ifdef L_msgsnd +/* Send message to message queue. */ +int msgsnd (int msqid, const void *msgp, size_t msgsz, int msgflg) +{ + return __ipc(IPCOP_msgsnd, msqid, msgsz, msgflg, (void *)msgp); +} +#endif + |