Add syncfs(2).
GMM calls this system call directly at the moment. That's silly.
Bug: http://b/36405699
Test: ran tests
Change-Id: I1e14c0e5ce0bc2aa888d884845ac30dc20f13cd5
diff --git a/libc/SECCOMP_WHITELIST.TXT b/libc/SECCOMP_WHITELIST.TXT
index 9e417c4..4df53f9 100644
--- a/libc/SECCOMP_WHITELIST.TXT
+++ b/libc/SECCOMP_WHITELIST.TXT
@@ -46,9 +46,6 @@
# Needed for strace
int tkill:tkill(int tid, int sig) all
-# b/35034743
-int syncfs:syncfs(int fd) all
-
# b/34763393
int seccomp:seccomp(unsigned int operation, unsigned int flags, void *args) all
diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT
index d674630..a1d1af0 100644
--- a/libc/SYSCALLS.TXT
+++ b/libc/SYSCALLS.TXT
@@ -131,6 +131,7 @@
int fchown:fchown32(int, uid_t, gid_t) arm,x86
int fchown:fchown(int, uid_t, gid_t) arm64,mips,mips64,x86_64
void sync(void) all
+int syncfs(int) all
int ___fsetxattr:fsetxattr(int, const char*, const void*, size_t, int) all
ssize_t ___fgetxattr:fgetxattr(int, const char*, void*, size_t) all
ssize_t ___flistxattr:flistxattr(int, char*, size_t) all
diff --git a/libc/arch-arm/syscalls/syncfs.S b/libc/arch-arm/syscalls/syncfs.S
new file mode 100644
index 0000000..26f2f14
--- /dev/null
+++ b/libc/arch-arm/syscalls/syncfs.S
@@ -0,0 +1,16 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(syncfs)
+ mov ip, r7
+ .cfi_register r7, ip
+ ldr r7, =__NR_syncfs
+ swi #0
+ mov r7, ip
+ .cfi_restore r7
+ cmn r0, #(MAX_ERRNO + 1)
+ bxls lr
+ neg r0, r0
+ b __set_errno_internal
+END(syncfs)
diff --git a/libc/arch-arm64/syscalls/syncfs.S b/libc/arch-arm64/syscalls/syncfs.S
new file mode 100644
index 0000000..773c0cb
--- /dev/null
+++ b/libc/arch-arm64/syscalls/syncfs.S
@@ -0,0 +1,14 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(syncfs)
+ mov x8, __NR_syncfs
+ svc #0
+
+ cmn x0, #(MAX_ERRNO + 1)
+ cneg x0, x0, hi
+ b.hi __set_errno_internal
+
+ ret
+END(syncfs)
diff --git a/libc/arch-mips/syscalls/syncfs.S b/libc/arch-mips/syscalls/syncfs.S
new file mode 100644
index 0000000..cd87a61
--- /dev/null
+++ b/libc/arch-mips/syscalls/syncfs.S
@@ -0,0 +1,19 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(syncfs)
+ .set noreorder
+ .cpload t9
+ li v0, __NR_syncfs
+ syscall
+ bnez a3, 1f
+ move a0, v0
+ j ra
+ nop
+1:
+ la t9,__set_errno_internal
+ j t9
+ nop
+ .set reorder
+END(syncfs)
diff --git a/libc/arch-mips64/syscalls/syncfs.S b/libc/arch-mips64/syscalls/syncfs.S
new file mode 100644
index 0000000..504ca4a
--- /dev/null
+++ b/libc/arch-mips64/syscalls/syncfs.S
@@ -0,0 +1,25 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(syncfs)
+ .set push
+ .set noreorder
+ li v0, __NR_syncfs
+ 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_internal
+ .cpreturn
+ j t9
+ move ra, t0
+ .set pop
+END(syncfs)
diff --git a/libc/arch-x86/syscalls/syncfs.S b/libc/arch-x86/syscalls/syncfs.S
new file mode 100644
index 0000000..c08688a
--- /dev/null
+++ b/libc/arch-x86/syscalls/syncfs.S
@@ -0,0 +1,29 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(syncfs)
+ pushl %ebx
+ .cfi_def_cfa_offset 8
+ .cfi_rel_offset ebx, 0
+
+ call __kernel_syscall
+ pushl %eax
+ .cfi_adjust_cfa_offset 4
+ .cfi_rel_offset eax, 0
+
+ mov 12(%esp), %ebx
+ movl $__NR_syncfs, %eax
+ call *(%esp)
+ addl $4, %esp
+
+ cmpl $-MAX_ERRNO, %eax
+ jb 1f
+ negl %eax
+ pushl %eax
+ call __set_errno_internal
+ addl $4, %esp
+1:
+ popl %ebx
+ ret
+END(syncfs)
diff --git a/libc/arch-x86_64/syscalls/syncfs.S b/libc/arch-x86_64/syscalls/syncfs.S
new file mode 100644
index 0000000..12dee08
--- /dev/null
+++ b/libc/arch-x86_64/syscalls/syncfs.S
@@ -0,0 +1,15 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(syncfs)
+ movl $__NR_syncfs, %eax
+ syscall
+ cmpq $-MAX_ERRNO, %rax
+ jb 1f
+ negl %eax
+ movl %eax, %edi
+ call __set_errno_internal
+1:
+ ret
+END(syncfs)
diff --git a/libc/include/unistd.h b/libc/include/unistd.h
index ff77421..a05fa54 100644
--- a/libc/include/unistd.h
+++ b/libc/include/unistd.h
@@ -152,6 +152,9 @@
char* getcwd(char* __buf, size_t __size) __overloadable __RENAME_CLANG(getcwd);
void sync(void);
+#if defined(__USE_GNU)
+int syncfs(int __fd) __INTRODUCED_IN_FUTURE;
+#endif
int close(int __fd);
diff --git a/libc/libc.arm.map b/libc/libc.arm.map
index 06856c8..0749fc8 100644
--- a/libc/libc.arm.map
+++ b/libc/libc.arm.map
@@ -1320,9 +1320,10 @@
LIBC_P {
global:
- __freading; # future
- __fwriting; # future
- getlogin_r; # future
+ __freading; # introduced=P
+ __fwriting; # introduced=P
+ getlogin_r; # introduced=P
+ syncfs; # introduced=P
} LIBC_O;
LIBC_PRIVATE {
diff --git a/libc/libc.arm64.map b/libc/libc.arm64.map
index 50e4390..ce6f12d 100644
--- a/libc/libc.arm64.map
+++ b/libc/libc.arm64.map
@@ -1240,9 +1240,10 @@
LIBC_P {
global:
- __freading; # future
- __fwriting; # future
- getlogin_r; # future
+ __freading; # introduced=P
+ __fwriting; # introduced=P
+ getlogin_r; # introduced=P
+ syncfs; # introduced=P
} LIBC_O;
LIBC_PRIVATE {
diff --git a/libc/libc.map.txt b/libc/libc.map.txt
index 3e4d36e..b35c72e 100644
--- a/libc/libc.map.txt
+++ b/libc/libc.map.txt
@@ -1345,9 +1345,10 @@
LIBC_P {
global:
- __freading; # future
- __fwriting; # future
- getlogin_r; # future
+ __freading; # introduced=P
+ __fwriting; # introduced=P
+ getlogin_r; # introduced=P
+ syncfs; # introduced=P
} LIBC_O;
LIBC_PRIVATE {
diff --git a/libc/libc.mips.map b/libc/libc.mips.map
index 3fa7c9d..051afaf 100644
--- a/libc/libc.mips.map
+++ b/libc/libc.mips.map
@@ -1304,9 +1304,10 @@
LIBC_P {
global:
- __freading; # future
- __fwriting; # future
- getlogin_r; # future
+ __freading; # introduced=P
+ __fwriting; # introduced=P
+ getlogin_r; # introduced=P
+ syncfs; # introduced=P
} LIBC_O;
LIBC_PRIVATE {
diff --git a/libc/libc.mips64.map b/libc/libc.mips64.map
index 50e4390..ce6f12d 100644
--- a/libc/libc.mips64.map
+++ b/libc/libc.mips64.map
@@ -1240,9 +1240,10 @@
LIBC_P {
global:
- __freading; # future
- __fwriting; # future
- getlogin_r; # future
+ __freading; # introduced=P
+ __fwriting; # introduced=P
+ getlogin_r; # introduced=P
+ syncfs; # introduced=P
} LIBC_O;
LIBC_PRIVATE {
diff --git a/libc/libc.x86.map b/libc/libc.x86.map
index bd74fbe..5f27643 100644
--- a/libc/libc.x86.map
+++ b/libc/libc.x86.map
@@ -1302,9 +1302,10 @@
LIBC_P {
global:
- __freading; # future
- __fwriting; # future
- getlogin_r; # future
+ __freading; # introduced=P
+ __fwriting; # introduced=P
+ getlogin_r; # introduced=P
+ syncfs; # introduced=P
} LIBC_O;
LIBC_PRIVATE {
diff --git a/libc/libc.x86_64.map b/libc/libc.x86_64.map
index 50e4390..ce6f12d 100644
--- a/libc/libc.x86_64.map
+++ b/libc/libc.x86_64.map
@@ -1240,9 +1240,10 @@
LIBC_P {
global:
- __freading; # future
- __fwriting; # future
- getlogin_r; # future
+ __freading; # introduced=P
+ __fwriting; # introduced=P
+ getlogin_r; # introduced=P
+ syncfs; # introduced=P
} LIBC_O;
LIBC_PRIVATE {