libc: add timerfd calls
(cherry-pick of 04c0ac14a49e0969333008a9522b64046d58fbdc.)
Change-Id: I06d0b6c2a8781602362b81f48faf1cca76b9ec05
diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT
index 96cc9e6..ac04e51 100644
--- a/libc/SYSCALLS.TXT
+++ b/libc/SYSCALLS.TXT
@@ -221,6 +221,9 @@
int __timer_delete:timer_delete(timer_t) 1
int utimes(const char*, const struct timeval tvp[2]) 1
int utimensat(int, const char *, const struct timespec times[2], int) 1
+int timerfd_create(clockid_t, int) 1
+int timerfd_settime(int, int, const struct itimerspec *, struct itimerspec *) 1
+int timerfd_gettime(int, struct itimerspec *) 1
# signals
int sigaction(int, const struct sigaction *, struct sigaction *) 1
diff --git a/libc/arch-arm/syscalls.mk b/libc/arch-arm/syscalls.mk
index 9eb5136..3c8f204 100644
--- a/libc/arch-arm/syscalls.mk
+++ b/libc/arch-arm/syscalls.mk
@@ -144,6 +144,9 @@
syscall_src += arch-arm/syscalls/__timer_delete.S
syscall_src += arch-arm/syscalls/utimes.S
syscall_src += arch-arm/syscalls/utimensat.S
+syscall_src += arch-arm/syscalls/timerfd_create.S
+syscall_src += arch-arm/syscalls/timerfd_settime.S
+syscall_src += arch-arm/syscalls/timerfd_gettime.S
syscall_src += arch-arm/syscalls/sigaction.S
syscall_src += arch-arm/syscalls/sigprocmask.S
syscall_src += arch-arm/syscalls/__sigsuspend.S
diff --git a/libc/arch-arm/syscalls/timerfd_create.S b/libc/arch-arm/syscalls/timerfd_create.S
new file mode 100644
index 0000000..7e3f16f
--- /dev/null
+++ b/libc/arch-arm/syscalls/timerfd_create.S
@@ -0,0 +1,15 @@
+/* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
+#include <linux/err.h>
+#include <machine/asm.h>
+
+ENTRY(timerfd_create)
+ mov ip, r7
+ ldr r7, =__NR_timerfd_create
+ swi #0
+ mov r7, ip
+ cmn r0, #(MAX_ERRNO + 1)
+ bxls lr
+ neg r0, r0
+ b __set_errno
+END(timerfd_create)
diff --git a/libc/arch-arm/syscalls/timerfd_gettime.S b/libc/arch-arm/syscalls/timerfd_gettime.S
new file mode 100644
index 0000000..2c3e2cf
--- /dev/null
+++ b/libc/arch-arm/syscalls/timerfd_gettime.S
@@ -0,0 +1,15 @@
+/* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
+#include <linux/err.h>
+#include <machine/asm.h>
+
+ENTRY(timerfd_gettime)
+ mov ip, r7
+ ldr r7, =__NR_timerfd_gettime
+ swi #0
+ mov r7, ip
+ cmn r0, #(MAX_ERRNO + 1)
+ bxls lr
+ neg r0, r0
+ b __set_errno
+END(timerfd_gettime)
diff --git a/libc/arch-arm/syscalls/timerfd_settime.S b/libc/arch-arm/syscalls/timerfd_settime.S
new file mode 100644
index 0000000..f7f0cf0
--- /dev/null
+++ b/libc/arch-arm/syscalls/timerfd_settime.S
@@ -0,0 +1,15 @@
+/* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
+#include <linux/err.h>
+#include <machine/asm.h>
+
+ENTRY(timerfd_settime)
+ mov ip, r7
+ ldr r7, =__NR_timerfd_settime
+ swi #0
+ mov r7, ip
+ cmn r0, #(MAX_ERRNO + 1)
+ bxls lr
+ neg r0, r0
+ b __set_errno
+END(timerfd_settime)
diff --git a/libc/arch-mips/syscalls.mk b/libc/arch-mips/syscalls.mk
index 0b8eccd..d3096bc 100644
--- a/libc/arch-mips/syscalls.mk
+++ b/libc/arch-mips/syscalls.mk
@@ -147,6 +147,9 @@
syscall_src += arch-mips/syscalls/__timer_delete.S
syscall_src += arch-mips/syscalls/utimes.S
syscall_src += arch-mips/syscalls/utimensat.S
+syscall_src += arch-mips/syscalls/timerfd_create.S
+syscall_src += arch-mips/syscalls/timerfd_settime.S
+syscall_src += arch-mips/syscalls/timerfd_gettime.S
syscall_src += arch-mips/syscalls/sigaction.S
syscall_src += arch-mips/syscalls/sigprocmask.S
syscall_src += arch-mips/syscalls/__sigsuspend.S
diff --git a/libc/arch-mips/syscalls/timerfd_create.S b/libc/arch-mips/syscalls/timerfd_create.S
new file mode 100644
index 0000000..b5ac003
--- /dev/null
+++ b/libc/arch-mips/syscalls/timerfd_create.S
@@ -0,0 +1,22 @@
+/* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
+ .text
+ .globl timerfd_create
+ .align 4
+ .ent timerfd_create
+
+timerfd_create:
+ .set noreorder
+ .cpload $t9
+ li $v0, __NR_timerfd_create
+ syscall
+ bnez $a3, 1f
+ move $a0, $v0
+ j $ra
+ nop
+1:
+ la $t9,__set_errno
+ j $t9
+ nop
+ .set reorder
+ .end timerfd_create
diff --git a/libc/arch-mips/syscalls/timerfd_gettime.S b/libc/arch-mips/syscalls/timerfd_gettime.S
new file mode 100644
index 0000000..b1c21ff
--- /dev/null
+++ b/libc/arch-mips/syscalls/timerfd_gettime.S
@@ -0,0 +1,22 @@
+/* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
+ .text
+ .globl timerfd_gettime
+ .align 4
+ .ent timerfd_gettime
+
+timerfd_gettime:
+ .set noreorder
+ .cpload $t9
+ li $v0, __NR_timerfd_gettime
+ syscall
+ bnez $a3, 1f
+ move $a0, $v0
+ j $ra
+ nop
+1:
+ la $t9,__set_errno
+ j $t9
+ nop
+ .set reorder
+ .end timerfd_gettime
diff --git a/libc/arch-mips/syscalls/timerfd_settime.S b/libc/arch-mips/syscalls/timerfd_settime.S
new file mode 100644
index 0000000..f68819d
--- /dev/null
+++ b/libc/arch-mips/syscalls/timerfd_settime.S
@@ -0,0 +1,22 @@
+/* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
+ .text
+ .globl timerfd_settime
+ .align 4
+ .ent timerfd_settime
+
+timerfd_settime:
+ .set noreorder
+ .cpload $t9
+ li $v0, __NR_timerfd_settime
+ syscall
+ bnez $a3, 1f
+ move $a0, $v0
+ j $ra
+ nop
+1:
+ la $t9,__set_errno
+ j $t9
+ nop
+ .set reorder
+ .end timerfd_settime
diff --git a/libc/arch-x86/syscalls.mk b/libc/arch-x86/syscalls.mk
index b4ad564..31eb930 100644
--- a/libc/arch-x86/syscalls.mk
+++ b/libc/arch-x86/syscalls.mk
@@ -148,6 +148,9 @@
syscall_src += arch-x86/syscalls/__timer_delete.S
syscall_src += arch-x86/syscalls/utimes.S
syscall_src += arch-x86/syscalls/utimensat.S
+syscall_src += arch-x86/syscalls/timerfd_create.S
+syscall_src += arch-x86/syscalls/timerfd_settime.S
+syscall_src += arch-x86/syscalls/timerfd_gettime.S
syscall_src += arch-x86/syscalls/sigaction.S
syscall_src += arch-x86/syscalls/sigprocmask.S
syscall_src += arch-x86/syscalls/__sigsuspend.S
diff --git a/libc/arch-x86/syscalls/timerfd_create.S b/libc/arch-x86/syscalls/timerfd_create.S
new file mode 100644
index 0000000..801f8a7
--- /dev/null
+++ b/libc/arch-x86/syscalls/timerfd_create.S
@@ -0,0 +1,24 @@
+/* autogenerated by gensyscalls.py */
+#include <linux/err.h>
+#include <machine/asm.h>
+#include <asm/unistd.h>
+
+ENTRY(timerfd_create)
+ pushl %ebx
+ pushl %ecx
+ mov 12(%esp), %ebx
+ mov 16(%esp), %ecx
+ movl $__NR_timerfd_create, %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(timerfd_create)
diff --git a/libc/arch-x86/syscalls/timerfd_gettime.S b/libc/arch-x86/syscalls/timerfd_gettime.S
new file mode 100644
index 0000000..fde17be
--- /dev/null
+++ b/libc/arch-x86/syscalls/timerfd_gettime.S
@@ -0,0 +1,24 @@
+/* autogenerated by gensyscalls.py */
+#include <linux/err.h>
+#include <machine/asm.h>
+#include <asm/unistd.h>
+
+ENTRY(timerfd_gettime)
+ pushl %ebx
+ pushl %ecx
+ mov 12(%esp), %ebx
+ mov 16(%esp), %ecx
+ movl $__NR_timerfd_gettime, %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(timerfd_gettime)
diff --git a/libc/arch-x86/syscalls/timerfd_settime.S b/libc/arch-x86/syscalls/timerfd_settime.S
new file mode 100644
index 0000000..5a5f3e4
--- /dev/null
+++ b/libc/arch-x86/syscalls/timerfd_settime.S
@@ -0,0 +1,30 @@
+/* autogenerated by gensyscalls.py */
+#include <linux/err.h>
+#include <machine/asm.h>
+#include <asm/unistd.h>
+
+ENTRY(timerfd_settime)
+ pushl %ebx
+ pushl %ecx
+ pushl %edx
+ pushl %esi
+ mov 20(%esp), %ebx
+ mov 24(%esp), %ecx
+ mov 28(%esp), %edx
+ mov 32(%esp), %esi
+ movl $__NR_timerfd_settime, %eax
+ int $0x80
+ cmpl $-MAX_ERRNO, %eax
+ jb 1f
+ negl %eax
+ pushl %eax
+ call __set_errno
+ addl $4, %esp
+ orl $-1, %eax
+1:
+ popl %esi
+ popl %edx
+ popl %ecx
+ popl %ebx
+ ret
+END(timerfd_settime)
diff --git a/libc/include/sys/timerfd.h b/libc/include/sys/timerfd.h
new file mode 100644
index 0000000..0651f1c
--- /dev/null
+++ b/libc/include/sys/timerfd.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _SYS_TIMERFD_H_
+#define _SYS_TIMERFD_H_
+
+#include <time.h>
+#include <sys/types.h>
+#include <linux/timerfd.h>
+
+__BEGIN_DECLS
+
+extern int timerfd_create(clockid_t, int);
+extern int timerfd_settime(int, int, const struct itimerspec*,
+ struct itimerspec*);
+extern int timerfd_gettime(int, struct itimerspec*);
+
+__END_DECLS
+
+#endif /* _SYS_TIMERFD_H */
diff --git a/libc/kernel/common/linux/timerfd.h b/libc/kernel/common/linux/timerfd.h
new file mode 100644
index 0000000..0165ebb
--- /dev/null
+++ b/libc/kernel/common/linux/timerfd.h
@@ -0,0 +1,31 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ *** This header was automatically generated from a Linux kernel header
+ *** of the same name, to make information necessary for userspace to
+ *** call into the kernel available to libc. It contains only constants,
+ *** structures, and macros generated from the original header, and thus,
+ *** contains no copyrightable information.
+ ***
+ *** To edit the content of this header, modify the corresponding
+ *** source file (e.g. under external/kernel-headers/original/) then
+ *** run bionic/libc/kernel/tools/update_all.py
+ ***
+ *** Any manual change here will be lost the next time this script will
+ *** be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _LINUX_TIMERFD_H
+#define _LINUX_TIMERFD_H
+#include <linux/fcntl.h>
+#define TFD_TIMER_ABSTIME (1 << 0)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define TFD_TIMER_CANCEL_ON_SET (1 << 1)
+#define TFD_CLOEXEC O_CLOEXEC
+#define TFD_NONBLOCK O_NONBLOCK
+#define TFD_SHARED_FCNTL_FLAGS (TFD_CLOEXEC | TFD_NONBLOCK)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define TFD_CREATE_FLAGS TFD_SHARED_FCNTL_FLAGS
+#define TFD_SETTIME_FLAGS (TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET)
+#endif