Merge "Add unshare() syscall."
diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT
index 504a050..8f78e7f 100644
--- a/libc/SYSCALLS.TXT
+++ b/libc/SYSCALLS.TXT
@@ -1,6 +1,6 @@
# this file is used to list all the syscalls that will be supported by
# the Bionic C library. It is used to automatically generate the syscall
-# stubs, the list of syscall constants (__NR_xxxx) and the content of <linux/_unitsd.h>
+# stubs, the list of syscall constants (__NR_xxxx) and the content of <linux/_unistd.h>
#
# each non comment line has the following format:
#
@@ -191,6 +191,7 @@
int removexattr(const char *, const char *) 235,235,233
int lremovexattr(const char *, const char *) 236,236,234
int __statfs64:statfs64(const char *, size_t, struct statfs *) 266,268,255
+long unshare(unsigned long) 337,310,303
# time
int pause () 29
diff --git a/libc/arch-arm/syscalls.mk b/libc/arch-arm/syscalls.mk
index e635e68..b1c669d 100644
--- a/libc/arch-arm/syscalls.mk
+++ b/libc/arch-arm/syscalls.mk
@@ -121,6 +121,7 @@
syscall_src += arch-arm/syscalls/removexattr.S
syscall_src += arch-arm/syscalls/lremovexattr.S
syscall_src += arch-arm/syscalls/__statfs64.S
+syscall_src += arch-arm/syscalls/unshare.S
syscall_src += arch-arm/syscalls/pause.S
syscall_src += arch-arm/syscalls/gettimeofday.S
syscall_src += arch-arm/syscalls/settimeofday.S
diff --git a/libc/arch-arm/syscalls/unshare.S b/libc/arch-arm/syscalls/unshare.S
new file mode 100644
index 0000000..0a92b21
--- /dev/null
+++ b/libc/arch-arm/syscalls/unshare.S
@@ -0,0 +1,14 @@
+/* autogenerated by gensyscalls.py */
+#include <machine/asm.h>
+#include <sys/linux-syscalls.h>
+
+ENTRY(unshare)
+ .save {r4, r7}
+ stmfd sp!, {r4, r7}
+ ldr r7, =__NR_unshare
+ swi #0
+ ldmfd sp!, {r4, r7}
+ movs r0, r0
+ bxpl lr
+ b __set_syscall_errno
+END(unshare)
diff --git a/libc/arch-mips/syscalls.mk b/libc/arch-mips/syscalls.mk
index 8c0c4dc..6de0c8f 100644
--- a/libc/arch-mips/syscalls.mk
+++ b/libc/arch-mips/syscalls.mk
@@ -124,6 +124,7 @@
syscall_src += arch-mips/syscalls/removexattr.S
syscall_src += arch-mips/syscalls/lremovexattr.S
syscall_src += arch-mips/syscalls/__statfs64.S
+syscall_src += arch-mips/syscalls/unshare.S
syscall_src += arch-mips/syscalls/pause.S
syscall_src += arch-mips/syscalls/gettimeofday.S
syscall_src += arch-mips/syscalls/settimeofday.S
diff --git a/libc/arch-mips/syscalls/unshare.S b/libc/arch-mips/syscalls/unshare.S
new file mode 100644
index 0000000..11af354
--- /dev/null
+++ b/libc/arch-mips/syscalls/unshare.S
@@ -0,0 +1,22 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+ .text
+ .globl unshare
+ .align 4
+ .ent unshare
+
+unshare:
+ .set noreorder
+ .cpload $t9
+ li $v0, __NR_unshare
+ syscall
+ bnez $a3, 1f
+ move $a0, $v0
+ j $ra
+ nop
+1:
+ la $t9,__set_errno
+ j $t9
+ nop
+ .set reorder
+ .end unshare
diff --git a/libc/arch-x86/syscalls.mk b/libc/arch-x86/syscalls.mk
index f1b7e76..2352221 100644
--- a/libc/arch-x86/syscalls.mk
+++ b/libc/arch-x86/syscalls.mk
@@ -125,6 +125,7 @@
syscall_src += arch-x86/syscalls/removexattr.S
syscall_src += arch-x86/syscalls/lremovexattr.S
syscall_src += arch-x86/syscalls/__statfs64.S
+syscall_src += arch-x86/syscalls/unshare.S
syscall_src += arch-x86/syscalls/pause.S
syscall_src += arch-x86/syscalls/gettimeofday.S
syscall_src += arch-x86/syscalls/settimeofday.S
diff --git a/libc/arch-x86/syscalls/unshare.S b/libc/arch-x86/syscalls/unshare.S
new file mode 100644
index 0000000..ef31a35
--- /dev/null
+++ b/libc/arch-x86/syscalls/unshare.S
@@ -0,0 +1,23 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+ .text
+ .type unshare, @function
+ .globl unshare
+ .align 4
+
+unshare:
+ pushl %ebx
+ mov 8(%esp), %ebx
+ movl $__NR_unshare, %eax
+ int $0x80
+ cmpl $-129, %eax
+ jb 1f
+ negl %eax
+ pushl %eax
+ call __set_errno
+ addl $4, %esp
+ orl $-1, %eax
+1:
+ popl %ebx
+ ret
diff --git a/libc/include/sys/linux-syscalls.h b/libc/include/sys/linux-syscalls.h
index c8a654c..c33dc9f 100644
--- a/libc/include/sys/linux-syscalls.h
+++ b/libc/include/sys/linux-syscalls.h
@@ -155,6 +155,7 @@
#define __NR_removexattr (__NR_SYSCALL_BASE + 235)
#define __NR_lremovexattr (__NR_SYSCALL_BASE + 236)
#define __NR_statfs64 (__NR_SYSCALL_BASE + 266)
+#define __NR_unshare (__NR_SYSCALL_BASE + 337)
#define __NR_nanosleep (__NR_SYSCALL_BASE + 162)
#define __NR_clock_gettime (__NR_SYSCALL_BASE + 263)
#define __NR_clock_settime (__NR_SYSCALL_BASE + 262)
@@ -318,6 +319,7 @@
#define __NR_renameat (__NR_SYSCALL_BASE + 302)
#define __NR_fchmodat (__NR_SYSCALL_BASE + 306)
#define __NR_faccessat (__NR_SYSCALL_BASE + 307)
+#define __NR_unshare (__NR_SYSCALL_BASE + 310)
#define __NR_getcpu (__NR_SYSCALL_BASE + 318)
#define __NR_utimensat (__NR_SYSCALL_BASE + 320)
#define __NR_eventfd2 (__NR_SYSCALL_BASE + 328)
@@ -444,6 +446,7 @@
#define __NR_renameat (__NR_SYSCALL_BASE + 295)
#define __NR_fchmodat (__NR_SYSCALL_BASE + 299)
#define __NR_faccessat (__NR_SYSCALL_BASE + 300)
+#define __NR_unshare (__NR_SYSCALL_BASE + 303)
#define __NR_getcpu (__NR_SYSCALL_BASE + 312)
#define __NR_ioprio_set (__NR_SYSCALL_BASE + 314)
#define __NR_ioprio_get (__NR_SYSCALL_BASE + 315)
