Add accept4() syscall
Add accept4() using SYSCALLS.TXT and gensyscall
Change-Id: I6f19f29144186d15d46423e10f2cc4b4223719c6
diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT
index 8d4b258..e597b2f 100644
--- a/libc/SYSCALLS.TXT
+++ b/libc/SYSCALLS.TXT
@@ -238,6 +238,7 @@
int connect(int, struct sockaddr*, socklen_t) arm,arm64,mips,mips64,x86_64
int listen(int, int) arm,arm64,mips,mips64,x86_64
int accept(int, struct sockaddr*, socklen_t*) arm,arm64,mips,mips64,x86_64
+int accept4(int, struct sockaddr*, socklen_t*, int) arm,arm64,mips,mips64,x86_64
int getsockname(int, struct sockaddr*, socklen_t*) arm,arm64,mips,mips64,x86_64
int getpeername(int, struct sockaddr*, socklen_t*) arm,arm64,mips,mips64,x86_64
int sendto(int, const void*, size_t, int, const struct sockaddr*, socklen_t) arm,arm64,mips,mips64,x86_64
@@ -266,6 +267,7 @@
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 accept4:socketcall:18(int, struct sockaddr*, socklen_t*, 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
diff --git a/libc/arch-arm/syscalls/accept4.S b/libc/arch-arm/syscalls/accept4.S
new file mode 100644
index 0000000..6d14e79
--- /dev/null
+++ b/libc/arch-arm/syscalls/accept4.S
@@ -0,0 +1,14 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(accept4)
+ mov ip, r7
+ ldr r7, =__NR_accept4
+ swi #0
+ mov r7, ip
+ cmn r0, #(MAX_ERRNO + 1)
+ bxls lr
+ neg r0, r0
+ b __set_errno
+END(accept4)
diff --git a/libc/arch-arm64/syscalls/accept4.S b/libc/arch-arm64/syscalls/accept4.S
new file mode 100644
index 0000000..3c9227f
--- /dev/null
+++ b/libc/arch-arm64/syscalls/accept4.S
@@ -0,0 +1,21 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(accept4)
+ stp x29, x30, [sp, #-16]!
+ mov x29, sp
+ str x8, [sp, #-16]!
+
+ mov x8, __NR_accept4
+ 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(accept4)
diff --git a/libc/arch-mips/syscalls/accept4.S b/libc/arch-mips/syscalls/accept4.S
new file mode 100644
index 0000000..ea1dc60
--- /dev/null
+++ b/libc/arch-mips/syscalls/accept4.S
@@ -0,0 +1,19 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(accept4)
+ .set noreorder
+ .cpload t9
+ li v0, __NR_accept4
+ syscall
+ bnez a3, 1f
+ move a0, v0
+ j ra
+ nop
+1:
+ la t9,__set_errno
+ j t9
+ nop
+ .set reorder
+END(accept4)
diff --git a/libc/arch-mips64/syscalls/accept4.S b/libc/arch-mips64/syscalls/accept4.S
new file mode 100644
index 0000000..8b5cadb
--- /dev/null
+++ b/libc/arch-mips64/syscalls/accept4.S
@@ -0,0 +1,25 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(accept4)
+ .set push
+ .set noreorder
+ li v0, __NR_accept4
+ 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(accept4)
diff --git a/libc/arch-x86/syscalls/accept4.S b/libc/arch-x86/syscalls/accept4.S
new file mode 100644
index 0000000..dc3c1f5
--- /dev/null
+++ b/libc/arch-x86/syscalls/accept4.S
@@ -0,0 +1,27 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(accept4)
+ pushl %ebx
+ pushl %ecx
+ .cfi_def_cfa_offset 8
+ .cfi_rel_offset ebx, 0
+ .cfi_rel_offset ecx, 4
+ mov $18, %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(accept4)
diff --git a/libc/arch-x86_64/syscalls/accept4.S b/libc/arch-x86_64/syscalls/accept4.S
new file mode 100644
index 0000000..d66d952
--- /dev/null
+++ b/libc/arch-x86_64/syscalls/accept4.S
@@ -0,0 +1,17 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(accept4)
+ movq %rcx, %r10
+ movl $__NR_accept4, %eax
+ syscall
+ cmpq $-MAX_ERRNO, %rax
+ jb 1f
+ negl %eax
+ movl %eax, %edi
+ call __set_errno
+ orq $-1, %rax
+1:
+ ret
+END(accept4)
diff --git a/libc/include/sys/socket.h b/libc/include/sys/socket.h
index 62a5300..0cddcd9 100644
--- a/libc/include/sys/socket.h
+++ b/libc/include/sys/socket.h
@@ -302,6 +302,7 @@
__socketcall int shutdown(int, int);
__socketcall int socket(int, int, int);
__socketcall int socketpair(int, int, int, int*);
+__socketcall int accept4(int, struct sockaddr*, socklen_t*, int);
extern ssize_t send(int, const void*, size_t, int);
extern ssize_t recv(int, void*, size_t, int);
diff --git a/libc/include/sys/socketcalls.h b/libc/include/sys/socketcalls.h
index c74f463..09c079f 100644
--- a/libc/include/sys/socketcalls.h
+++ b/libc/include/sys/socketcalls.h
@@ -47,5 +47,6 @@
#define SYS_GETSOCKOPT 15 /* sys_getsockopt(2) */
#define SYS_SENDMSG 16 /* sys_sendmsg(2) */
#define SYS_RECVMSG 17 /* sys_recvmsg(2) */
+#define SYS_ACCEPT4 18 /* sys_accept4(2) */
#endif /* _SYS_SOCKETCALLS_H_ */
