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linux-user: Add SOCKOP_sendmmsg and SOCKOP_recvmmsg socket call, wire them up. 

Adds the definitions for the socket calls SOCKOP_sendmmsg
and SOCKOP_recvmmsg and wires them up with the rest of the code.
The necessary function do_sendrecvmmsg() is already present in
linux-user/syscall.c. After adding these two definitions and wiring
them up, I no longer receive an error message about the
unimplemented socket calls when running "apt-get update" on Debian
unstable running on qemu with glibc_2.21 on m68k.

Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
This commit is contained in:
John Paul Adrian Glaubitz 2015-12-24 19:59:59 +01:00 committed by Riku Voipio
parent e73eecbdc2
commit 5a53dc5042
2 changed files with 8 additions and 2 deletions
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8
linux-user/syscall.c
View File

@ -2272,7 +2272,6 @@ static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
return ret;
}
#ifdef TARGET_NR_sendmmsg
/* We don't rely on the C library to have sendmmsg/recvmmsg support,
* so it might not have this *mmsg-specific flag either.
*/
@ -2319,7 +2318,6 @@ static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec,
}
return ret;
}
#endif
/* If we don't have a system accept4() then just call accept.
* The callsites to do_accept4() will ensure that they don't
@ -2542,6 +2540,8 @@ static abi_long do_socketcall(int num, abi_ulong vptr)
[SOCKOP_shutdown] = 2, /* sockfd, how */
[SOCKOP_sendmsg] = 3, /* sockfd, msg, flags */
[SOCKOP_recvmsg] = 3, /* sockfd, msg, flags */
[SOCKOP_sendmmsg] = 4, /* sockfd, msgvec, vlen, flags */
[SOCKOP_recvmmsg] = 4, /* sockfd, msgvec, vlen, flags */
[SOCKOP_setsockopt] = 5, /* sockfd, level, optname, optval, optlen */
[SOCKOP_getsockopt] = 5, /* sockfd, level, optname, optval, optlen */
};
@ -2592,6 +2592,10 @@ static abi_long do_socketcall(int num, abi_ulong vptr)
return do_sendrecvmsg(a[0], a[1], a[2], 1);
case SOCKOP_recvmsg: /* sockfd, msg, flags */
return do_sendrecvmsg(a[0], a[1], a[2], 0);
case SOCKOP_sendmmsg: /* sockfd, msgvec, vlen, flags */
return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1);
case SOCKOP_recvmmsg: /* sockfd, msgvec, vlen, flags */
return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 0);
case SOCKOP_setsockopt: /* sockfd, level, optname, optval, optlen */
return do_setsockopt(a[0], a[1], a[2], a[3], a[4]);
case SOCKOP_getsockopt: /* sockfd, level, optname, optval, optlen */

2
linux-user/syscall_defs.h
View File

@ -28,6 +28,8 @@
#define SOCKOP_sendmsg 16
#define SOCKOP_recvmsg 17
#define SOCKOP_accept4 18
#define SOCKOP_recvmmsg 19
#define SOCKOP_sendmmsg 20
#define IPCOP_semop 1
#define IPCOP_semget 2