Add recvmmsg and sendmmsg syscalls.
Also add the corresponding constant, struct, and function declarations
to <sys/socket.h>, and perfunctory tests so we know that the symbols
actually exist.
Signed-off-by: Guillaume Ranquet <guillaumex.ranquet@intel.com>
Change-Id: Ib0d854239d3716be90ad70973c579aff4895a4f7
diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT
index ee3a05b..1928168 100644
--- a/libc/SYSCALLS.TXT
+++ b/libc/SYSCALLS.TXT
@@ -247,6 +247,8 @@
int getsockopt(int, int, int, void*, socklen_t*) arm,arm64,mips,mips64,x86_64
int sendmsg(int, const struct msghdr*, unsigned int) arm,arm64,mips,mips64,x86_64
int recvmsg(int, struct msghdr*, unsigned int) arm,arm64,mips,mips64,x86_64
+int recvmmsg(int, struct mmsghdr*, unsigned int, int, const struct timespec*) arm,arm64,mips,mips64,x86_64
+int sendmmsg(int, struct mmsghdr*, unsigned int, int) arm,arm64,mips,mips64,x86_64
# sockets for x86. These are done as an "indexed" call to socketcall syscall.
int socket:socketcall:1(int, int, int) x86
@@ -264,6 +266,8 @@
int getsockopt:socketcall:15(int, int, int, void*, socklen_t*) x86
int sendmsg:socketcall:16(int, const struct msghdr*, unsigned int) x86
int recvmsg:socketcall:17(int, struct msghdr*, unsigned int) x86
+int recvmmsg:socketcall:19(int, struct mmsghdr*, unsigned int, int, const struct timespec*) x86
+int sendmmsg:socketcall:20(int, struct mmsghdr*, unsigned int, int) x86
# scheduler & real-time
int sched_setscheduler(pid_t pid, int policy, const struct sched_param* param) all
diff --git a/libc/arch-arm/syscalls/recvmmsg.S b/libc/arch-arm/syscalls/recvmmsg.S
new file mode 100644
index 0000000..dd8cd8c
--- /dev/null
+++ b/libc/arch-arm/syscalls/recvmmsg.S
@@ -0,0 +1,22 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(recvmmsg)
+ mov ip, sp
+ stmfd sp!, {r4, r5, r6, r7}
+ .cfi_def_cfa_offset 16
+ .cfi_rel_offset r4, 0
+ .cfi_rel_offset r5, 4
+ .cfi_rel_offset r6, 8
+ .cfi_rel_offset r7, 12
+ ldmfd ip, {r4, r5, r6}
+ ldr r7, =__NR_recvmmsg
+ swi #0
+ ldmfd sp!, {r4, r5, r6, r7}
+ .cfi_def_cfa_offset 0
+ cmn r0, #(MAX_ERRNO + 1)
+ bxls lr
+ neg r0, r0
+ b __set_errno
+END(recvmmsg)
diff --git a/libc/arch-arm/syscalls/sendmmsg.S b/libc/arch-arm/syscalls/sendmmsg.S
new file mode 100644
index 0000000..04c3fe3
--- /dev/null
+++ b/libc/arch-arm/syscalls/sendmmsg.S
@@ -0,0 +1,14 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(sendmmsg)
+ mov ip, r7
+ ldr r7, =__NR_sendmmsg
+ swi #0
+ mov r7, ip
+ cmn r0, #(MAX_ERRNO + 1)
+ bxls lr
+ neg r0, r0
+ b __set_errno
+END(sendmmsg)
diff --git a/libc/arch-arm64/syscalls/recvmmsg.S b/libc/arch-arm64/syscalls/recvmmsg.S
new file mode 100644
index 0000000..44875cc
--- /dev/null
+++ b/libc/arch-arm64/syscalls/recvmmsg.S
@@ -0,0 +1,21 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(recvmmsg)
+ stp x29, x30, [sp, #-16]!
+ mov x29, sp
+ str x8, [sp, #-16]!
+
+ mov x8, __NR_recvmmsg
+ svc #0
+
+ ldr x8, [sp], #16
+ ldp x29, x30, [sp], #16
+
+ cmn x0, #(MAX_ERRNO + 1)
+ cneg x0, x0, hi
+ b.hi __set_errno
+
+ ret
+END(recvmmsg)
diff --git a/libc/arch-arm64/syscalls/sendmmsg.S b/libc/arch-arm64/syscalls/sendmmsg.S
new file mode 100644
index 0000000..43b2fbf
--- /dev/null
+++ b/libc/arch-arm64/syscalls/sendmmsg.S
@@ -0,0 +1,21 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(sendmmsg)
+ stp x29, x30, [sp, #-16]!
+ mov x29, sp
+ str x8, [sp, #-16]!
+
+ mov x8, __NR_sendmmsg
+ svc #0
+
+ ldr x8, [sp], #16
+ ldp x29, x30, [sp], #16
+
+ cmn x0, #(MAX_ERRNO + 1)
+ cneg x0, x0, hi
+ b.hi __set_errno
+
+ ret
+END(sendmmsg)
diff --git a/libc/arch-mips/syscalls/recvmmsg.S b/libc/arch-mips/syscalls/recvmmsg.S
new file mode 100644
index 0000000..23e511b
--- /dev/null
+++ b/libc/arch-mips/syscalls/recvmmsg.S
@@ -0,0 +1,19 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(recvmmsg)
+ .set noreorder
+ .cpload t9
+ li v0, __NR_recvmmsg
+ syscall
+ bnez a3, 1f
+ move a0, v0
+ j ra
+ nop
+1:
+ la t9,__set_errno
+ j t9
+ nop
+ .set reorder
+END(recvmmsg)
diff --git a/libc/arch-mips/syscalls/sendmmsg.S b/libc/arch-mips/syscalls/sendmmsg.S
new file mode 100644
index 0000000..d99ba93
--- /dev/null
+++ b/libc/arch-mips/syscalls/sendmmsg.S
@@ -0,0 +1,19 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(sendmmsg)
+ .set noreorder
+ .cpload t9
+ li v0, __NR_sendmmsg
+ syscall
+ bnez a3, 1f
+ move a0, v0
+ j ra
+ nop
+1:
+ la t9,__set_errno
+ j t9
+ nop
+ .set reorder
+END(sendmmsg)
diff --git a/libc/arch-mips64/syscalls/recvmmsg.S b/libc/arch-mips64/syscalls/recvmmsg.S
new file mode 100644
index 0000000..fa9fbb2
--- /dev/null
+++ b/libc/arch-mips64/syscalls/recvmmsg.S
@@ -0,0 +1,25 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(recvmmsg)
+ .set push
+ .set noreorder
+ li v0, __NR_recvmmsg
+ syscall
+ bnez a3, 1f
+ move a0, v0
+ j ra
+ nop
+1:
+ move t0, ra
+ bal 2f
+ nop
+2:
+ .cpsetup ra, t1, 2b
+ LA t9,__set_errno
+ .cpreturn
+ j t9
+ move ra, t0
+ .set pop
+END(recvmmsg)
diff --git a/libc/arch-mips64/syscalls/sendmmsg.S b/libc/arch-mips64/syscalls/sendmmsg.S
new file mode 100644
index 0000000..e4d8019
--- /dev/null
+++ b/libc/arch-mips64/syscalls/sendmmsg.S
@@ -0,0 +1,25 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(sendmmsg)
+ .set push
+ .set noreorder
+ li v0, __NR_sendmmsg
+ syscall
+ bnez a3, 1f
+ move a0, v0
+ j ra
+ nop
+1:
+ move t0, ra
+ bal 2f
+ nop
+2:
+ .cpsetup ra, t1, 2b
+ LA t9,__set_errno
+ .cpreturn
+ j t9
+ move ra, t0
+ .set pop
+END(sendmmsg)
diff --git a/libc/arch-x86/syscalls/recvmmsg.S b/libc/arch-x86/syscalls/recvmmsg.S
new file mode 100644
index 0000000..a7adac8
--- /dev/null
+++ b/libc/arch-x86/syscalls/recvmmsg.S
@@ -0,0 +1,27 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(recvmmsg)
+ pushl %ebx
+ pushl %ecx
+ .cfi_def_cfa_offset 8
+ .cfi_rel_offset ebx, 0
+ .cfi_rel_offset ecx, 4
+ mov $19, %ebx
+ mov %esp, %ecx
+ addl $12, %ecx
+ movl $__NR_socketcall, %eax
+ int $0x80
+ cmpl $-MAX_ERRNO, %eax
+ jb 1f
+ negl %eax
+ pushl %eax
+ call __set_errno
+ addl $4, %esp
+ orl $-1, %eax
+1:
+ popl %ecx
+ popl %ebx
+ ret
+END(recvmmsg)
diff --git a/libc/arch-x86/syscalls/sendmmsg.S b/libc/arch-x86/syscalls/sendmmsg.S
new file mode 100644
index 0000000..46dd6cd
--- /dev/null
+++ b/libc/arch-x86/syscalls/sendmmsg.S
@@ -0,0 +1,27 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(sendmmsg)
+ pushl %ebx
+ pushl %ecx
+ .cfi_def_cfa_offset 8
+ .cfi_rel_offset ebx, 0
+ .cfi_rel_offset ecx, 4
+ mov $20, %ebx
+ mov %esp, %ecx
+ addl $12, %ecx
+ movl $__NR_socketcall, %eax
+ int $0x80
+ cmpl $-MAX_ERRNO, %eax
+ jb 1f
+ negl %eax
+ pushl %eax
+ call __set_errno
+ addl $4, %esp
+ orl $-1, %eax
+1:
+ popl %ecx
+ popl %ebx
+ ret
+END(sendmmsg)
diff --git a/libc/arch-x86_64/syscalls/recvmmsg.S b/libc/arch-x86_64/syscalls/recvmmsg.S
new file mode 100644
index 0000000..9da70e2
--- /dev/null
+++ b/libc/arch-x86_64/syscalls/recvmmsg.S
@@ -0,0 +1,17 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(recvmmsg)
+ movq %rcx, %r10
+ movl $__NR_recvmmsg, %eax
+ syscall
+ cmpq $-MAX_ERRNO, %rax
+ jb 1f
+ negl %eax
+ movl %eax, %edi
+ call __set_errno
+ orq $-1, %rax
+1:
+ ret
+END(recvmmsg)
diff --git a/libc/arch-x86_64/syscalls/sendmmsg.S b/libc/arch-x86_64/syscalls/sendmmsg.S
new file mode 100644
index 0000000..7407c12
--- /dev/null
+++ b/libc/arch-x86_64/syscalls/sendmmsg.S
@@ -0,0 +1,17 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(sendmmsg)
+ movq %rcx, %r10
+ movl $__NR_sendmmsg, %eax
+ syscall
+ cmpq $-MAX_ERRNO, %rax
+ jb 1f
+ negl %eax
+ movl %eax, %edi
+ call __set_errno
+ orq $-1, %rax
+1:
+ ret
+END(sendmmsg)
diff --git a/libc/include/sys/socket.h b/libc/include/sys/socket.h
index 5eb7e3d..b6107a5 100644
--- a/libc/include/sys/socket.h
+++ b/libc/include/sys/socket.h
@@ -75,40 +75,45 @@
};
struct sockaddr {
- sa_family_t sa_family;
- char sa_data[14];
+ sa_family_t sa_family;
+ char sa_data[14];
};
struct linger {
- int l_onoff;
- int l_linger;
+ int l_onoff;
+ int l_linger;
};
struct msghdr {
- void * msg_name;
- int msg_namelen;
- struct iovec * msg_iov;
- __kernel_size_t msg_iovlen;
- void * msg_control;
- __kernel_size_t msg_controllen;
- unsigned msg_flags;
+ void* msg_name;
+ socklen_t msg_namelen;
+ struct iovec* msg_iov;
+ size_t msg_iovlen;
+ void* msg_control;
+ size_t msg_controllen;
+ int msg_flags;
+};
+
+struct mmsghdr {
+ struct msghdr msg_hdr;
+ unsigned int msg_len;
};
struct cmsghdr {
- __kernel_size_t cmsg_len;
- int cmsg_level;
- int cmsg_type;
+ size_t cmsg_len;
+ int cmsg_level;
+ int cmsg_type;
};
#define __CMSG_NXTHDR(ctl, len, cmsg) __cmsg_nxthdr((ctl),(len),(cmsg))
#define CMSG_NXTHDR(mhdr, cmsg) cmsg_nxthdr((mhdr), (cmsg))
#define CMSG_ALIGN(len) ( ((len)+sizeof(long)-1) & ~(sizeof(long)-1) )
-#define CMSG_DATA(cmsg) ((void *)((char *)(cmsg) + CMSG_ALIGN(sizeof(struct cmsghdr))))
+#define CMSG_DATA(cmsg) ((void*)((char*)(cmsg) + CMSG_ALIGN(sizeof(struct cmsghdr))))
#define CMSG_SPACE(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(len))
#define CMSG_LEN(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
-#define __CMSG_FIRSTHDR(ctl,len) ((len) >= sizeof(struct cmsghdr) ? (struct cmsghdr *)(ctl) : (struct cmsghdr *)NULL)
+#define __CMSG_FIRSTHDR(ctl,len) ((len) >= sizeof(struct cmsghdr) ? (struct cmsghdr*)(ctl) : (struct cmsghdr*)NULL)
#define CMSG_FIRSTHDR(msg) __CMSG_FIRSTHDR((msg)->msg_control, (msg)->msg_controllen)
-#define CMSG_OK(mhdr, cmsg) ((cmsg)->cmsg_len >= sizeof(struct cmsghdr) && (cmsg)->cmsg_len <= (unsigned long) ((mhdr)->msg_controllen - ((char *)(cmsg) - (char *)(mhdr)->msg_control)))
+#define CMSG_OK(mhdr, cmsg) ((cmsg)->cmsg_len >= sizeof(struct cmsghdr) && (cmsg)->cmsg_len <= (unsigned long) ((mhdr)->msg_controllen - ((char*)(cmsg) - (char*)(mhdr)->msg_control)))
#ifdef __GNUC__
#define __KINLINE static __inline__
@@ -118,16 +123,17 @@
#define __KINLINE static
#endif
-__KINLINE struct cmsghdr * __cmsg_nxthdr(void *__ctl, __kernel_size_t __size, struct cmsghdr *__cmsg) {
- struct cmsghdr * __ptr;
- __ptr = (struct cmsghdr*)(((unsigned char *) __cmsg) + CMSG_ALIGN(__cmsg->cmsg_len));
- if ((unsigned long)((char*)(__ptr+1) - (char *) __ctl) > __size)
- return (struct cmsghdr *)0;
- return __ptr;
+__KINLINE struct cmsghdr* __cmsg_nxthdr(void* __ctl, size_t __size, struct cmsghdr* __cmsg) {
+ struct cmsghdr* __ptr;
+ __ptr = (struct cmsghdr*)(((unsigned char*) __cmsg) + CMSG_ALIGN(__cmsg->cmsg_len));
+ if ((unsigned long)((char*)(__ptr+1) - (char*) __ctl) > __size) {
+ return NULL;
+ }
+ return __ptr;
}
-__KINLINE struct cmsghdr * cmsg_nxthdr (struct msghdr *__msg, struct cmsghdr *__cmsg) {
- return __cmsg_nxthdr(__msg->msg_control, __msg->msg_controllen, __cmsg);
+__KINLINE struct cmsghdr* cmsg_nxthdr (struct msghdr* __msg, struct cmsghdr* __cmsg) {
+ return __cmsg_nxthdr(__msg->msg_control, __msg->msg_controllen, __cmsg);
}
#define SCM_RIGHTS 0x01
@@ -135,9 +141,9 @@
#define SCM_SECURITY 0x03
struct ucred {
- __u32 pid;
- __u32 uid;
- __u32 gid;
+ pid_t pid;
+ uid_t uid;
+ gid_t gid;
};
#define AF_UNSPEC 0
@@ -241,6 +247,9 @@
#define MSG_ERRQUEUE 0x2000
#define MSG_NOSIGNAL 0x4000
#define MSG_MORE 0x8000
+#define MSG_WAITFORONE 0x10000
+#define MSG_FASTOPEN 0x20000000
+#define MSG_CMSG_CLOEXEC 0x40000000
#define MSG_EOF MSG_FIN
#define MSG_CMSG_COMPAT 0
@@ -276,30 +285,32 @@
# define __socketcall extern
#endif
-__socketcall int socket(int, int, int);
-__socketcall int bind(int, const struct sockaddr *, int);
-__socketcall int connect(int, const struct sockaddr *, socklen_t);
+__socketcall int accept(int, struct sockaddr*, socklen_t*);
+__socketcall int bind(int, const struct sockaddr*, int);
+__socketcall int connect(int, const struct sockaddr*, socklen_t);
+__socketcall int getpeername(int, struct sockaddr*, socklen_t*);
+__socketcall int getsockname(int, struct sockaddr*, socklen_t*);
+__socketcall int getsockopt(int, int, int, void*, socklen_t*);
__socketcall int listen(int, int);
-__socketcall int accept(int, struct sockaddr *, socklen_t *);
-__socketcall int getsockname(int, struct sockaddr *, socklen_t *);
-__socketcall int getpeername(int, struct sockaddr *, socklen_t *);
-__socketcall int socketpair(int, int, int, int *);
+__socketcall int recvmmsg(int, struct mmsghdr*, unsigned int, int, const struct timespec*);
+__socketcall int recvmsg(int, struct msghdr*, unsigned int);
+__socketcall int sendmmsg(int, const struct mmsghdr*, unsigned int, int);
+__socketcall int sendmsg(int, const struct msghdr*, unsigned int);
+__socketcall int setsockopt(int, int, int, const void*, socklen_t);
__socketcall int shutdown(int, int);
-__socketcall int setsockopt(int, int, int, const void *, socklen_t);
-__socketcall int getsockopt(int, int, int, void *, socklen_t *);
-__socketcall int sendmsg(int, const struct msghdr *, unsigned int);
-__socketcall int recvmsg(int, struct msghdr *, unsigned int);
+__socketcall int socket(int, int, int);
+__socketcall int socketpair(int, int, int, int*);
-extern ssize_t send(int, const void *, size_t, unsigned int);
-extern ssize_t recv(int, void *, size_t, unsigned int);
+extern ssize_t send(int, const void*, size_t, unsigned int);
+extern ssize_t recv(int, void*, size_t, unsigned int);
-__socketcall ssize_t sendto(int, const void *, size_t, int, const struct sockaddr *, socklen_t);
-__socketcall ssize_t recvfrom(int, void *, size_t, unsigned int, const struct sockaddr *, socklen_t *);
+__socketcall ssize_t sendto(int, const void*, size_t, int, const struct sockaddr*, socklen_t);
+__socketcall ssize_t recvfrom(int, void*, size_t, unsigned int, const struct sockaddr*, socklen_t*);
#if defined(__BIONIC_FORTIFY)
__errordecl(__recvfrom_error, "recvfrom called with size bigger than buffer");
-extern ssize_t __recvfrom_chk(int, void*, size_t, size_t, unsigned int, const struct sockaddr*, socklen_t *);
-extern ssize_t __recvfrom_real(int, void *, size_t, unsigned int, const struct sockaddr*, socklen_t*)
+extern ssize_t __recvfrom_chk(int, void*, size_t, size_t, unsigned int, const struct sockaddr*, socklen_t*);
+extern ssize_t __recvfrom_real(int, void*, size_t, unsigned int, const struct sockaddr*, socklen_t*)
__asm__(__USER_LABEL_PREFIX__ "recvfrom");
__BIONIC_FORTIFY_INLINE
@@ -324,7 +335,7 @@
}
__BIONIC_FORTIFY_INLINE
-ssize_t recv(int socket, void *buf, size_t buflen, unsigned int flags) {
+ssize_t recv(int socket, void* buf, size_t buflen, unsigned int flags) {
return recvfrom(socket, buf, buflen, flags, NULL, 0);
}
diff --git a/tests/Android.mk b/tests/Android.mk
index 5fafba6..451b3a9 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -71,6 +71,7 @@
sys_resource_test.cpp \
sys_select_test.cpp \
sys_sendfile_test.cpp \
+ sys_socket_test.cpp \
sys_stat_test.cpp \
sys_statvfs_test.cpp \
sys_syscall_test.cpp \
diff --git a/tests/sys_socket_test.cpp b/tests/sys_socket_test.cpp
new file mode 100644
index 0000000..901ac17
--- /dev/null
+++ b/tests/sys_socket_test.cpp
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+
+#include <errno.h>
+#include <sys/socket.h>
+
+TEST(sys_socket, recvmmsg) {
+#if !defined(__GLIBC__) // TODO: Android's prebuilt gcc is too old for recvmmsg/sendmmsg.
+ ASSERT_EQ(-1, recvmmsg(-1, NULL, 0, 0, NULL));
+ ASSERT_EQ(EBADF, errno);
+#endif
+}
+
+TEST(sys_socket, sendmmsg) {
+#if !defined(__GLIBC__) // TODO: Android's prebuilt gcc is too old for recvmmsg/sendmmsg.
+ ASSERT_EQ(-1, sendmmsg(-1, NULL, 0, 0));
+ ASSERT_EQ(EBADF, errno);
+#endif
+}
