libc: Add missing fdatasync() implementation
Change-Id: I04bb655d77e414021e1f2a973329167ad76ca1c4
diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT
index 4bcccb5..baac5d0 100644
--- a/libc/SYSCALLS.TXT
+++ b/libc/SYSCALLS.TXT
@@ -118,6 +118,7 @@
int ftruncate(int, off_t) 93
int getdents:getdents64(unsigned int, struct dirent *, unsigned int) 217,220
int fsync(int) 118
+int fdatasync(int) 148
int fchown:fchown32(int, uid_t, gid_t) 207
void sync(void) 36
int __fcntl64:fcntl64(int, int, void *) 221
diff --git a/libc/arch-arm/syscalls.mk b/libc/arch-arm/syscalls.mk
index 2d944ca..f1d8fb1 100644
--- a/libc/arch-arm/syscalls.mk
+++ b/libc/arch-arm/syscalls.mk
@@ -72,6 +72,7 @@
syscall_src += arch-arm/syscalls/ftruncate.S
syscall_src += arch-arm/syscalls/getdents.S
syscall_src += arch-arm/syscalls/fsync.S
+syscall_src += arch-arm/syscalls/fdatasync.S
syscall_src += arch-arm/syscalls/fchown.S
syscall_src += arch-arm/syscalls/sync.S
syscall_src += arch-arm/syscalls/__fcntl64.S
diff --git a/libc/arch-arm/syscalls/fdatasync.S b/libc/arch-arm/syscalls/fdatasync.S
new file mode 100644
index 0000000..5981a80
--- /dev/null
+++ b/libc/arch-arm/syscalls/fdatasync.S
@@ -0,0 +1,19 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+ .text
+ .type fdatasync, #function
+ .globl fdatasync
+ .align 4
+ .fnstart
+
+fdatasync:
+ .save {r4, r7}
+ stmfd sp!, {r4, r7}
+ ldr r7, =__NR_fdatasync
+ swi #0
+ ldmfd sp!, {r4, r7}
+ movs r0, r0
+ bxpl lr
+ b __set_syscall_errno
+ .fnend
diff --git a/libc/arch-sh/syscalls.mk b/libc/arch-sh/syscalls.mk
index b690bbf..3e2274f 100644
--- a/libc/arch-sh/syscalls.mk
+++ b/libc/arch-sh/syscalls.mk
@@ -75,6 +75,7 @@
syscall_src += arch-sh/syscalls/ftruncate.S
syscall_src += arch-sh/syscalls/getdents.S
syscall_src += arch-sh/syscalls/fsync.S
+syscall_src += arch-sh/syscalls/fdatasync.S
syscall_src += arch-sh/syscalls/fchown.S
syscall_src += arch-sh/syscalls/sync.S
syscall_src += arch-sh/syscalls/__fcntl64.S
diff --git a/libc/arch-sh/syscalls/fdatasync.S b/libc/arch-sh/syscalls/fdatasync.S
new file mode 100644
index 0000000..d81c33a
--- /dev/null
+++ b/libc/arch-sh/syscalls/fdatasync.S
@@ -0,0 +1,32 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+ .text
+ .type fdatasync, @function
+ .globl fdatasync
+ .align 4
+
+fdatasync:
+
+ /* invoke trap */
+ mov.l 0f, r3 /* trap num */
+ trapa #(1 + 0x10)
+
+ /* check return value */
+ cmp/pz r0
+ bt __NR_fdatasync_end
+
+ /* keep error number */
+ sts.l pr, @-r15
+ mov.l 1f, r1
+ jsr @r1
+ mov r0, r4
+ lds.l @r15+, pr
+
+__NR_fdatasync_end:
+ rts
+ nop
+
+ .align 2
+0: .long __NR_fdatasync
+1: .long __set_syscall_errno
diff --git a/libc/arch-x86/syscalls.mk b/libc/arch-x86/syscalls.mk
index 27153f9..f0d7a31 100644
--- a/libc/arch-x86/syscalls.mk
+++ b/libc/arch-x86/syscalls.mk
@@ -75,6 +75,7 @@
syscall_src += arch-x86/syscalls/ftruncate.S
syscall_src += arch-x86/syscalls/getdents.S
syscall_src += arch-x86/syscalls/fsync.S
+syscall_src += arch-x86/syscalls/fdatasync.S
syscall_src += arch-x86/syscalls/fchown.S
syscall_src += arch-x86/syscalls/sync.S
syscall_src += arch-x86/syscalls/__fcntl64.S
diff --git a/libc/arch-x86/syscalls/fdatasync.S b/libc/arch-x86/syscalls/fdatasync.S
new file mode 100644
index 0000000..b86c0f8
--- /dev/null
+++ b/libc/arch-x86/syscalls/fdatasync.S
@@ -0,0 +1,23 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+ .text
+ .type fdatasync, @function
+ .globl fdatasync
+ .align 4
+
+fdatasync:
+ pushl %ebx
+ mov 8(%esp), %ebx
+ movl $__NR_fdatasync, %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 6a7fc40..b90f20d 100644
--- a/libc/include/sys/linux-syscalls.h
+++ b/libc/include/sys/linux-syscalls.h
@@ -72,6 +72,7 @@
#define __NR__newselect (__NR_SYSCALL_BASE + 142)
#define __NR_ftruncate (__NR_SYSCALL_BASE + 93)
#define __NR_fsync (__NR_SYSCALL_BASE + 118)
+#define __NR_fdatasync (__NR_SYSCALL_BASE + 148)
#define __NR_fchown32 (__NR_SYSCALL_BASE + 207)
#define __NR_sync (__NR_SYSCALL_BASE + 36)
#define __NR_fcntl64 (__NR_SYSCALL_BASE + 221)
diff --git a/libc/include/sys/linux-unistd.h b/libc/include/sys/linux-unistd.h
index 7494efe..5e9c2f0 100644
--- a/libc/include/sys/linux-unistd.h
+++ b/libc/include/sys/linux-unistd.h
@@ -85,6 +85,7 @@
int ftruncate (int, off_t);
int getdents (unsigned int, struct dirent *, unsigned int);
int fsync (int);
+int fdatasync (int);
int fchown (int, uid_t, gid_t);
void sync (void);
int __fcntl64 (int, int, void *);
